--- a/plugins/commands/agent/src/main/java/com/redhat/thermostat/commands/agent/internal/CommandsBackend.java	Thu Oct 19 11:44:23 2017 -0400
+++ b/plugins/commands/agent/src/main/java/com/redhat/thermostat/commands/agent/internal/CommandsBackend.java	Thu Oct 19 12:12:42 2017 -0400
@@ -45,7 +45,9 @@
 
 import org.apache.felix.scr.annotations.Activate;
 import org.apache.felix.scr.annotations.Component;
+import org.apache.felix.scr.annotations.ConfigurationPolicy;
 import org.apache.felix.scr.annotations.Deactivate;
+import org.apache.felix.scr.annotations.Modified;
 import org.apache.felix.scr.annotations.Reference;
 import org.apache.felix.scr.annotations.Service;
 import org.eclipse.jetty.http.HttpHeader;
@@ -73,7 +75,10 @@
 import com.redhat.thermostat.storage.core.StorageCredentials;
 import com.redhat.thermostat.storage.core.WriterID;
 
-@Component
+@Component(
+        policy = ConfigurationPolicy.REQUIRE,
+        configurationPid = "commands"
+)
 @Service(value = Backend.class)
 public class CommandsBackend extends BaseBackend {
 
@@ -176,6 +181,16 @@
         receiverReg = new ReceiverRegistry(ctx);
     }
 
+    /*
+     * Default OSGI behaviour is to restart the component when configuration changes.
+     * The @modified method acts as a callback to prevent this from happening since
+     * we don't need to restart the component for our use-case.
+     */
+    @Modified
+    protected void modified() {
+        logger.config("Doing nothing on configuration change for plugin " + PLUGIN_ID);
+    }
+
     @Deactivate
     protected void noOp() {
         /*

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/plugins/commands/agent/src/main/java/com/redhat/thermostat/commands/agent/internal/CommandsBackendConfiguration.java	Thu Oct 19 12:12:42 2017 -0400
@@ -0,0 +1,79 @@
+/*
+ * Copyright 2012-2017 Red Hat, Inc.
+ *
+ * This file is part of Thermostat.
+ *
+ * Thermostat is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published
+ * by the Free Software Foundation; either version 2, or (at your
+ * option) any later version.
+ *
+ * Thermostat is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Thermostat; see the file COPYING.  If not see
+ * <http://www.gnu.org/licenses/>.
+ *
+ * Linking this code with other modules is making a combined work
+ * based on this code.  Thus, the terms and conditions of the GNU
+ * General Public License cover the whole combination.
+ *
+ * As a special exception, the copyright holders of this code give
+ * you permission to link this code with independent modules to
+ * produce an executable, regardless of the license terms of these
+ * independent modules, and to copy and distribute the resulting
+ * executable under terms of your choice, provided that you also
+ * meet, for each linked independent module, the terms and conditions
+ * of the license of that module.  An independent module is a module
+ * which is not derived from or based on this code.  If you modify
+ * this code, you may extend this exception to your version of the
+ * library, but you are not obligated to do so.  If you do not wish
+ * to do so, delete this exception statement from your version.
+ */
+
+package com.redhat.thermostat.commands.agent.internal;
+
+import org.apache.felix.scr.annotations.Activate;
+import org.apache.felix.scr.annotations.Component;
+import org.apache.felix.scr.annotations.Reference;
+import org.apache.felix.scr.annotations.Service;
+import org.osgi.framework.BundleContext;
+
+import com.redhat.thermostat.backend.BackendConfiguration;
+import com.redhat.thermostat.common.config.experimental.ConfigurationInfoSource;
+import com.redhat.thermostat.common.plugin.BackendConfigurationUtil;
+
+@Component
+@Service(value = BackendConfiguration.class)
+public class CommandsBackendConfiguration implements BackendConfiguration {
+
+    private static final String PLUGIN_ID = "commands";
+    private String location;
+
+    @Reference
+    private ConfigurationInfoSource configInfoSource;
+
+    @Override
+    public boolean isEnabled() {
+        BackendConfigurationUtil configuration = new BackendConfigurationUtil(configInfoSource, PLUGIN_ID);
+        return configuration.isEnabled();
+    }
+
+    @Override
+    public String getPluginId() {
+        return PLUGIN_ID;
+    }
+
+    @Override
+    public String getLocation() {
+        return location;
+    }
+
+    @Activate
+    public void activate(BundleContext context) {
+        location = context.getBundle().getLocation();
+    }
+}
\ No newline at end of file

--- a/plugins/commands/agent/src/main/java/com/redhat/thermostat/commands/agent/internal/receiver/PingReceiver.java	Thu Oct 19 11:44:23 2017 -0400
+++ b/plugins/commands/agent/src/main/java/com/redhat/thermostat/commands/agent/internal/receiver/PingReceiver.java	Thu Oct 19 12:12:42 2017 -0400
@@ -41,6 +41,8 @@
 
 import org.apache.felix.scr.annotations.Activate;
 import org.apache.felix.scr.annotations.Component;
+import org.apache.felix.scr.annotations.ConfigurationPolicy;
+import org.apache.felix.scr.annotations.Modified;
 import org.apache.felix.scr.annotations.Property;
 import org.apache.felix.scr.annotations.Service;
 
@@ -50,7 +52,10 @@
 import com.redhat.thermostat.commands.model.WebSocketResponse.ResponseType;
 import com.redhat.thermostat.common.utils.LoggingUtils;
 
-@Component
+@Component(
+        policy = ConfigurationPolicy.REQUIRE,
+        configurationPid = "commands"
+)
 @Service(value = RequestReceiver.class)
 @Property(name = "servicename", value = PingReceiver.ACTION_NAME)
 public class PingReceiver implements RequestReceiver {
@@ -73,5 +78,9 @@
         return new WebSocketResponse(request.getSequenceId(), ResponseType.OK);
     }
 
+    @Modified
+    public void modified() {
+        logger.fine("Configuration changed for commands");
+    }
 }
 

--- a/plugins/commands/distribution/configFiles/backend-config.properties	Thu Oct 19 11:44:23 2017 -0400
+++ b/plugins/commands/distribution/configFiles/backend-config.properties	Thu Oct 19 12:12:42 2017 -0400
@@ -1,2 +1,3 @@
 # Web socket base URL to the commands microservice provided by the Thermostat web gateway
 gatewayURL=wss://127.0.0.1:30000/commands/v1
+enabled=true

--- a/plugins/host-cpu/agent/src/main/java/com/redhat/thermostat/host/cpu/agent/internal/CpuStatDAOImpl.java	Thu Oct 19 11:44:23 2017 -0400
+++ b/plugins/host-cpu/agent/src/main/java/com/redhat/thermostat/host/cpu/agent/internal/CpuStatDAOImpl.java	Thu Oct 19 12:12:42 2017 -0400
@@ -40,10 +40,13 @@
 import java.net.URI;
 import java.util.Arrays;
 import java.util.List;
+import java.util.logging.Level;
 import java.util.logging.Logger;
 
 import org.apache.felix.scr.annotations.Activate;
 import org.apache.felix.scr.annotations.Component;
+import org.apache.felix.scr.annotations.ConfigurationPolicy;
+import org.apache.felix.scr.annotations.Modified;
 import org.apache.felix.scr.annotations.Reference;
 import org.apache.felix.scr.annotations.Service;
 
@@ -56,7 +59,10 @@
 import com.redhat.thermostat.host.cpu.model.CpuStat;
 import com.redhat.thermostat.host.cpu.model.CpuStatTypeAdapter;
 
-@Component
+@Component(
+        policy = ConfigurationPolicy.REQUIRE,
+        configurationPid = "host-cpu"
+)
 @Service(value = CpuStatDAO.class)
 public class CpuStatDAOImpl extends PluginDAOBase<CpuStat> implements CpuStatDAO {
 
@@ -91,6 +97,16 @@
         config = configCreator.create(configurationInfoSource);
     }
 
+    /*
+     * Default OSGI behaviour is to restart the component when configuration changes.
+     * The @modified method acts as a callback to prevent this from happening since
+     * we don't need to restart the component for our use-case.
+     */
+    @Modified
+    public void modified() throws Exception {
+        logger.config("Doing nothing on configuration change for plugin " + PLUGIN_ID);
+    }
+
     public String getPluginId() {
         return PLUGIN_ID;
     }

--- a/plugins/host-cpu/agent/src/main/java/com/redhat/thermostat/host/cpu/agent/internal/HostCpuBackend.java	Thu Oct 19 11:44:23 2017 -0400
+++ b/plugins/host-cpu/agent/src/main/java/com/redhat/thermostat/host/cpu/agent/internal/HostCpuBackend.java	Thu Oct 19 12:12:42 2017 -0400
@@ -38,25 +38,35 @@
 
 import java.util.concurrent.Executors;
 import java.util.concurrent.ScheduledExecutorService;
+import java.util.logging.Level;
+import java.util.logging.Logger;
 
 import com.redhat.thermostat.backend.Backend;
 import com.redhat.thermostat.backend.HostPollingAction;
 import com.redhat.thermostat.backend.HostPollingBackend;
 import com.redhat.thermostat.common.Version;
+import com.redhat.thermostat.common.utils.LoggingUtils;
 import com.redhat.thermostat.host.cpu.model.CpuStat;
 import com.redhat.thermostat.storage.core.WriterID;
 
 import org.apache.felix.scr.annotations.Activate;
 import org.apache.felix.scr.annotations.Component;
+import org.apache.felix.scr.annotations.ConfigurationPolicy;
 import org.apache.felix.scr.annotations.Deactivate;
+import org.apache.felix.scr.annotations.Modified;
 import org.apache.felix.scr.annotations.Reference;
 import org.apache.felix.scr.annotations.Service;
 import org.osgi.framework.BundleContext;
 
-@Component
+@Component(
+    policy = ConfigurationPolicy.REQUIRE,
+    configurationPid = "host-cpu"
+)
 @Service(value = Backend.class)
 public class HostCpuBackend extends HostPollingBackend {
 
+    private static final Logger logger = LoggingUtils.getLogger(HostCpuBackend.class);
+
     @Reference
     private CpuStatDAO cpuStatDAO;
 
@@ -82,6 +92,16 @@
         registerAction(new CpuProcBackendAction(writerID, cpuStatDAO));
     }
 
+    /*
+     * Default OSGI behaviour is to restart the component when configuration changes.
+     * The @modified method acts as a callback to prevent this from happening since
+     * we don't need to restart the component for our use-case.
+     */
+    @Modified
+    public void modified() throws Exception {
+        logger.config("Doing nothing on configuration change for plugin host-cpu");
+    }
+
     @Deactivate
     protected void componentDeactivated() {
         if (isActive()) {

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/plugins/host-cpu/agent/src/main/java/com/redhat/thermostat/host/cpu/agent/internal/HostCpuBackendConfiguration.java	Thu Oct 19 12:12:42 2017 -0400
@@ -0,0 +1,80 @@
+/*
+ * Copyright 2012-2017 Red Hat, Inc.
+ *
+ * This file is part of Thermostat.
+ *
+ * Thermostat is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published
+ * by the Free Software Foundation; either version 2, or (at your
+ * option) any later version.
+ *
+ * Thermostat is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Thermostat; see the file COPYING.  If not see
+ * <http://www.gnu.org/licenses/>.
+ *
+ * Linking this code with other modules is making a combined work
+ * based on this code.  Thus, the terms and conditions of the GNU
+ * General Public License cover the whole combination.
+ *
+ * As a special exception, the copyright holders of this code give
+ * you permission to link this code with independent modules to
+ * produce an executable, regardless of the license terms of these
+ * independent modules, and to copy and distribute the resulting
+ * executable under terms of your choice, provided that you also
+ * meet, for each linked independent module, the terms and conditions
+ * of the license of that module.  An independent module is a module
+ * which is not derived from or based on this code.  If you modify
+ * this code, you may extend this exception to your version of the
+ * library, but you are not obligated to do so.  If you do not wish
+ * to do so, delete this exception statement from your version.
+ */
+
+package com.redhat.thermostat.host.cpu.agent.internal;
+
+import org.apache.felix.scr.annotations.Activate;
+import org.apache.felix.scr.annotations.Component;
+import org.apache.felix.scr.annotations.Reference;
+import org.apache.felix.scr.annotations.Service;
+import org.osgi.framework.BundleContext;
+
+import com.redhat.thermostat.backend.BackendConfiguration;
+import com.redhat.thermostat.common.config.experimental.ConfigurationInfoSource;
+import com.redhat.thermostat.common.plugin.BackendConfigurationUtil;
+
+@Component
+@Service(value = BackendConfiguration.class)
+public class HostCpuBackendConfiguration implements BackendConfiguration {
+
+    private static final String PLUGIN_ID = "host-cpu";
+    private String location;
+
+    @Reference
+    private ConfigurationInfoSource configInfoSource;
+
+    @Override
+    public boolean isEnabled() {
+        BackendConfigurationUtil configuration = new BackendConfigurationUtil(configInfoSource, PLUGIN_ID);
+        return configuration.isEnabled();
+    }
+
+    @Override
+    public String getPluginId() {
+        return PLUGIN_ID;
+    }
+
+    @Override
+    public String getLocation() {
+        return location;
+    }
+
+    @Activate
+    public void activate(BundleContext context) {
+        location = context.getBundle().getLocation();
+    }
+
+}
\ No newline at end of file

--- a/plugins/host-cpu/distribution/configFiles/backend-config.properties	Thu Oct 19 11:44:23 2017 -0400
+++ b/plugins/host-cpu/distribution/configFiles/backend-config.properties	Thu Oct 19 12:12:42 2017 -0400
@@ -1,2 +1,3 @@
-# URL to the microservice provided by the Thermostat web gateway
-gatewayURL=https://localhost:30000/system-cpu/0.0.1
+# Web socket base URL to the commands microservice provided by the Thermostat web gateway
+gatewayURL=wss://127.0.0.1:30000/commands/v1
+enabled=true
\ No newline at end of file

--- a/plugins/host-memory/agent/src/main/java/com/redhat/thermostat/host/memory/agent/internal/HostMemoryBackend.java	Thu Oct 19 11:44:23 2017 -0400
+++ b/plugins/host-memory/agent/src/main/java/com/redhat/thermostat/host/memory/agent/internal/HostMemoryBackend.java	Thu Oct 19 12:12:42 2017 -0400
@@ -38,6 +38,8 @@
 
 import java.util.concurrent.Executors;
 import java.util.concurrent.ScheduledExecutorService;
+import java.util.logging.Level;
+import java.util.logging.Logger;
 
 import com.redhat.thermostat.backend.Backend;
 import com.redhat.thermostat.common.portability.HostName;
@@ -45,19 +47,27 @@
 import com.redhat.thermostat.backend.HostPollingAction;
 import com.redhat.thermostat.backend.HostPollingBackend;
 import com.redhat.thermostat.common.Version;
+import com.redhat.thermostat.common.utils.LoggingUtils;
 import com.redhat.thermostat.storage.core.WriterID;
 
 import org.apache.felix.scr.annotations.Activate;
 import org.apache.felix.scr.annotations.Component;
+import org.apache.felix.scr.annotations.ConfigurationPolicy;
 import org.apache.felix.scr.annotations.Deactivate;
+import org.apache.felix.scr.annotations.Modified;
 import org.apache.felix.scr.annotations.Reference;
 import org.apache.felix.scr.annotations.Service;
 import org.osgi.framework.BundleContext;
 
-@Component
+@Component(
+        policy = ConfigurationPolicy.REQUIRE,
+        configurationPid = "host-memory"
+)
 @Service(value = Backend.class)
 public class HostMemoryBackend extends HostPollingBackend {
 
+    private static final Logger logger = LoggingUtils.getLogger(HostMemoryBackend.class);
+
     @Reference
     private MemoryStatDAO memoryStatDAO;
 
@@ -83,6 +93,17 @@
         registerAction(new MemoryProcBackendAction(writerID, memoryStatDAO));
     }
 
+    /*
+     * Default OSGI behaviour is to restart the component when configuration changes.
+     * The @modified method acts as a callback to prevent this from happening since
+     * we don't need to restart the component for our use-case.
+     */
+    @Modified
+    public void modified() throws Exception {
+        logger.config("Doing nothing on configuration change for plugin host-memory");
+    }
+
+
     @Deactivate
     protected void componentDeactivated() {
         if (isActive()) {

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/plugins/host-memory/agent/src/main/java/com/redhat/thermostat/host/memory/agent/internal/HostMemoryBackendConfiguration.java	Thu Oct 19 12:12:42 2017 -0400
@@ -0,0 +1,80 @@
+/*
+ * Copyright 2012-2017 Red Hat, Inc.
+ *
+ * This file is part of Thermostat.
+ *
+ * Thermostat is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published
+ * by the Free Software Foundation; either version 2, or (at your
+ * option) any later version.
+ *
+ * Thermostat is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Thermostat; see the file COPYING.  If not see
+ * <http://www.gnu.org/licenses/>.
+ *
+ * Linking this code with other modules is making a combined work
+ * based on this code.  Thus, the terms and conditions of the GNU
+ * General Public License cover the whole combination.
+ *
+ * As a special exception, the copyright holders of this code give
+ * you permission to link this code with independent modules to
+ * produce an executable, regardless of the license terms of these
+ * independent modules, and to copy and distribute the resulting
+ * executable under terms of your choice, provided that you also
+ * meet, for each linked independent module, the terms and conditions
+ * of the license of that module.  An independent module is a module
+ * which is not derived from or based on this code.  If you modify
+ * this code, you may extend this exception to your version of the
+ * library, but you are not obligated to do so.  If you do not wish
+ * to do so, delete this exception statement from your version.
+ */
+
+package com.redhat.thermostat.host.memory.agent.internal;
+
+import org.apache.felix.scr.annotations.Activate;
+import org.apache.felix.scr.annotations.Component;
+import org.apache.felix.scr.annotations.Reference;
+import org.apache.felix.scr.annotations.Service;
+import org.osgi.framework.BundleContext;
+
+import com.redhat.thermostat.backend.BackendConfiguration;
+import com.redhat.thermostat.common.config.experimental.ConfigurationInfoSource;
+import com.redhat.thermostat.common.plugin.BackendConfigurationUtil;
+
+@Component
+@Service(value = BackendConfiguration.class)
+public class HostMemoryBackendConfiguration implements BackendConfiguration {
+
+    private static final String PLUGIN_ID = "host-memory";
+    private String location;
+
+    @Reference
+    private ConfigurationInfoSource configInfoSource;
+
+    @Override
+    public boolean isEnabled() {
+        BackendConfigurationUtil configuration = new BackendConfigurationUtil(configInfoSource, PLUGIN_ID);
+        return configuration.isEnabled();
+    }
+
+    @Override
+    public String getPluginId() {
+        return PLUGIN_ID;
+    }
+
+    @Override
+    public String getLocation() {
+        return location;
+    }
+
+    @Activate
+    public void activate(BundleContext context) {
+        location = context.getBundle().getLocation();
+    }
+
+}
\ No newline at end of file

--- a/plugins/host-memory/agent/src/main/java/com/redhat/thermostat/host/memory/agent/internal/MemoryStatDAOImpl.java	Thu Oct 19 11:44:23 2017 -0400
+++ b/plugins/host-memory/agent/src/main/java/com/redhat/thermostat/host/memory/agent/internal/MemoryStatDAOImpl.java	Thu Oct 19 12:12:42 2017 -0400
@@ -44,6 +44,8 @@
 
 import org.apache.felix.scr.annotations.Activate;
 import org.apache.felix.scr.annotations.Component;
+import org.apache.felix.scr.annotations.ConfigurationPolicy;
+import org.apache.felix.scr.annotations.Modified;
 import org.apache.felix.scr.annotations.Reference;
 import org.apache.felix.scr.annotations.Service;
 
@@ -56,7 +58,10 @@
 import com.redhat.thermostat.host.memory.model.MemoryStat;
 import com.redhat.thermostat.host.memory.model.MemoryStatTypeAdapter;
 
-@Component
+@Component(
+        policy = ConfigurationPolicy.REQUIRE,
+        configurationPid = "host-memory"
+)
 @Service(value = MemoryStatDAO.class)
 public class MemoryStatDAOImpl extends PluginDAOBase<MemoryStat> implements MemoryStatDAO {
 
@@ -91,6 +96,16 @@
         config = configCreator.create(configurationInfoSource);
     }
 
+    /*
+     * Default OSGI behaviour is to restart the component when configuration changes.
+     * The @modified method acts as a callback to prevent this from happening since
+     * we don't need to restart the component for our use-case.
+     */
+    @Modified
+    protected void modified() {
+        logger.fine("Doing nothing on configuration change for plugin " + PLUGIN_ID);
+    }
+
     public String getPluginId() {
         return PLUGIN_ID;
     }

--- a/plugins/host-memory/distribution/configFiles/backend-config.properties	Thu Oct 19 11:44:23 2017 -0400
+++ b/plugins/host-memory/distribution/configFiles/backend-config.properties	Thu Oct 19 12:12:42 2017 -0400
@@ -1,2 +1,3 @@
 # URL to the microservice provided by the Thermostat web gateway
 gatewayURL=https://localhost:30000/system-memory/0.0.1
+enabled=true

--- a/plugins/host-network/agent/src/main/java/com/redhat/thermostat/host/network/internal/HostNetworkBackend.java	Thu Oct 19 11:44:23 2017 -0400
+++ b/plugins/host-network/agent/src/main/java/com/redhat/thermostat/host/network/internal/HostNetworkBackend.java	Thu Oct 19 12:12:42 2017 -0400
@@ -39,6 +39,7 @@
 import java.util.List;
 import java.util.concurrent.Executors;
 import java.util.concurrent.ScheduledExecutorService;
+import java.util.logging.Logger;
 
 import com.redhat.thermostat.backend.Backend;
 import com.redhat.thermostat.backend.HostPollingAction;
@@ -46,21 +47,29 @@
 import com.redhat.thermostat.common.Version;
 import com.redhat.thermostat.common.Clock;
 import com.redhat.thermostat.common.SystemClock;
+import com.redhat.thermostat.common.utils.LoggingUtils;
 import com.redhat.thermostat.host.network.model.NetworkInfoList;
 import com.redhat.thermostat.host.network.model.NetworkInterfaceInfo;
 import com.redhat.thermostat.storage.core.WriterID;
 
 import org.apache.felix.scr.annotations.Activate;
 import org.apache.felix.scr.annotations.Component;
+import org.apache.felix.scr.annotations.ConfigurationPolicy;
 import org.apache.felix.scr.annotations.Deactivate;
+import org.apache.felix.scr.annotations.Modified;
 import org.apache.felix.scr.annotations.Reference;
 import org.apache.felix.scr.annotations.Service;
 import org.osgi.framework.BundleContext;
 
-@Component
+@Component(
+        policy = ConfigurationPolicy.REQUIRE,
+        configurationPid = "host-network"
+)
 @Service(value = Backend.class)
 public class HostNetworkBackend extends HostPollingBackend {
 
+    private static final Logger logger = LoggingUtils.getLogger(HostNetworkBackend.class);
+
     private final long procCheckInterval = 1000; // TODO make this configurable.
     private final Clock clock;
 
@@ -92,6 +101,16 @@
         registerAction(new BackendAction(writerID, clock, networkInterfaceInfoDAO));
     }
 
+    /*
+     * Default OSGI behaviour is to restart the component when configuration changes.
+     * The @modified method acts as a callback to prevent this from happening since
+     * we don't need to restart the component for our use-case.
+     */
+    @Modified
+    protected void modified() {
+        logger.config("Doing nothing on configuration change for plugin host-network");
+    }
+
     @Deactivate
     protected void componentDeactivated() {
         if (isActive()) {

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/plugins/host-network/agent/src/main/java/com/redhat/thermostat/host/network/internal/HostNetworkBackendConfiguration.java	Thu Oct 19 12:12:42 2017 -0400
@@ -0,0 +1,80 @@
+/*
+ * Copyright 2012-2017 Red Hat, Inc.
+ *
+ * This file is part of Thermostat.
+ *
+ * Thermostat is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published
+ * by the Free Software Foundation; either version 2, or (at your
+ * option) any later version.
+ *
+ * Thermostat is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Thermostat; see the file COPYING.  If not see
+ * <http://www.gnu.org/licenses/>.
+ *
+ * Linking this code with other modules is making a combined work
+ * based on this code.  Thus, the terms and conditions of the GNU
+ * General Public License cover the whole combination.
+ *
+ * As a special exception, the copyright holders of this code give
+ * you permission to link this code with independent modules to
+ * produce an executable, regardless of the license terms of these
+ * independent modules, and to copy and distribute the resulting
+ * executable under terms of your choice, provided that you also
+ * meet, for each linked independent module, the terms and conditions
+ * of the license of that module.  An independent module is a module
+ * which is not derived from or based on this code.  If you modify
+ * this code, you may extend this exception to your version of the
+ * library, but you are not obligated to do so.  If you do not wish
+ * to do so, delete this exception statement from your version.
+ */
+
+package com.redhat.thermostat.host.network.internal;
+
+import org.apache.felix.scr.annotations.Activate;
+import org.apache.felix.scr.annotations.Component;
+import org.apache.felix.scr.annotations.Reference;
+import org.apache.felix.scr.annotations.Service;
+import org.osgi.framework.BundleContext;
+
+import com.redhat.thermostat.backend.BackendConfiguration;
+import com.redhat.thermostat.common.config.experimental.ConfigurationInfoSource;
+import com.redhat.thermostat.common.plugin.BackendConfigurationUtil;
+
+@Component
+@Service(value = BackendConfiguration.class)
+public class HostNetworkBackendConfiguration implements BackendConfiguration {
+
+    private static final String PLUGIN_ID = "host-network";
+    private String location;
+
+    @Reference
+    private ConfigurationInfoSource configInfoSource;
+
+    @Override
+    public boolean isEnabled() {
+        BackendConfigurationUtil configuration = new BackendConfigurationUtil(configInfoSource, PLUGIN_ID);
+        return configuration.isEnabled();
+    }
+
+    @Override
+    public String getPluginId() {
+        return PLUGIN_ID;
+    }
+
+    @Override
+    public String getLocation() {
+        return location;
+    }
+
+    @Activate
+    public void activate(BundleContext context) {
+        location = context.getBundle().getLocation();
+    }
+
+}
\ No newline at end of file

--- a/plugins/host-network/agent/src/main/java/com/redhat/thermostat/host/network/internal/NetworkInfoListDAOImpl.java	Thu Oct 19 11:44:23 2017 -0400
+++ b/plugins/host-network/agent/src/main/java/com/redhat/thermostat/host/network/internal/NetworkInfoListDAOImpl.java	Thu Oct 19 12:12:42 2017 -0400
@@ -44,6 +44,8 @@
 
 import org.apache.felix.scr.annotations.Activate;
 import org.apache.felix.scr.annotations.Component;
+import org.apache.felix.scr.annotations.ConfigurationPolicy;
+import org.apache.felix.scr.annotations.Modified;
 import org.apache.felix.scr.annotations.Reference;
 import org.apache.felix.scr.annotations.Service;
 
@@ -56,7 +58,10 @@
 import com.redhat.thermostat.host.network.model.NetworkInfoList;
 import com.redhat.thermostat.host.network.model.NetworkInfoListTypeAdapter;
 
-@Component
+@Component(
+        policy = ConfigurationPolicy.REQUIRE,
+        configurationPid = "host-network"
+)
 @Service(value = NetworkInfoListDAO.class)
 public class NetworkInfoListDAOImpl extends PluginDAOBase<NetworkInfoList> implements NetworkInfoListDAO {
 
@@ -87,6 +92,16 @@
         config = configCreator.create(configurationInfoSource);
     }
 
+    /*
+     * Default OSGI behaviour is to restart the component when configuration changes.
+     * The @modified method acts as a callback to prevent this from happening since
+     * we don't need to restart the component for our use-case.
+     */
+    @Modified
+    protected void modified() {
+        logger.config("Doing nothing on configuration change for plugin " + PLUGIN_ID);
+    }
+
     NetworkInfoListDAOImpl(JsonHelper jsonHelper, ConfigurationCreator creator) throws Exception {
         this.jsonHelper = jsonHelper;
         this.configCreator = creator;

--- a/plugins/host-network/distribution/configFiles/backend-config.properties	Thu Oct 19 11:44:23 2017 -0400
+++ b/plugins/host-network/distribution/configFiles/backend-config.properties	Thu Oct 19 12:12:42 2017 -0400
@@ -1,2 +1,3 @@
 # URL to the microservice provided by the Thermostat web gateway
 gatewayURL=https://localhost:30000/system-network/0.0.1
+enabled=true

--- a/plugins/host-overview/agent/src/main/java/com/redhat/thermostat/host/overview/internal/HostOverviewBackend.java	Thu Oct 19 11:44:23 2017 -0400
+++ b/plugins/host-overview/agent/src/main/java/com/redhat/thermostat/host/overview/internal/HostOverviewBackend.java	Thu Oct 19 12:12:42 2017 -0400
@@ -36,9 +36,15 @@
 
 package com.redhat.thermostat.host.overview.internal;
 
+import java.util.logging.Logger;
+
+import com.redhat.thermostat.common.utils.LoggingUtils;
 import com.redhat.thermostat.host.overview.internal.models.HostInfoBuilderImpl;
+import com.redhat.thermostat.host.overview.internal.models.HostInfoDAOImpl;
 import org.apache.felix.scr.annotations.Activate;
 import org.apache.felix.scr.annotations.Component;
+import org.apache.felix.scr.annotations.ConfigurationPolicy;
+import org.apache.felix.scr.annotations.Modified;
 import org.apache.felix.scr.annotations.Deactivate;
 import org.apache.felix.scr.annotations.Reference;
 import org.apache.felix.scr.annotations.Service;
@@ -52,9 +58,14 @@
 import com.redhat.thermostat.host.overview.model.HostInfo;
 import com.redhat.thermostat.storage.core.WriterID;
 
-@Component
+@Component(
+        policy = ConfigurationPolicy.REQUIRE,
+        configurationPid = "host-overview"
+)
 @Service(value = Backend.class)
 public class HostOverviewBackend extends BaseBackend {
+
+    private static final Logger logger = LoggingUtils.getLogger(HostOverviewBackend.class);
     
     private final HostInfoBuilderCreator builderCreator;
     
@@ -106,6 +117,16 @@
         Version version = new Version(context.getBundle());
         setVersion(version.getVersionNumber());
     }
+
+    /*
+     * Default OSGI behaviour is to restart the component when configuration changes.
+     * The @modified method acts as a callback to prevent this from happening since
+     * we don't need to restart the component for our use-case.
+     */
+    @Modified
+    protected void modified() {
+        logger.config("Doing nothing on configuration change for plugin host-overview");
+    }
     
     @Deactivate
     protected void componentDeactivated() {

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/plugins/host-overview/agent/src/main/java/com/redhat/thermostat/host/overview/internal/HostOverviewBackendConfiguration.java	Thu Oct 19 12:12:42 2017 -0400
@@ -0,0 +1,80 @@
+/*
+ * Copyright 2012-2017 Red Hat, Inc.
+ *
+ * This file is part of Thermostat.
+ *
+ * Thermostat is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published
+ * by the Free Software Foundation; either version 2, or (at your
+ * option) any later version.
+ *
+ * Thermostat is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Thermostat; see the file COPYING.  If not see
+ * <http://www.gnu.org/licenses/>.
+ *
+ * Linking this code with other modules is making a combined work
+ * based on this code.  Thus, the terms and conditions of the GNU
+ * General Public License cover the whole combination.
+ *
+ * As a special exception, the copyright holders of this code give
+ * you permission to link this code with independent modules to
+ * produce an executable, regardless of the license terms of these
+ * independent modules, and to copy and distribute the resulting
+ * executable under terms of your choice, provided that you also
+ * meet, for each linked independent module, the terms and conditions
+ * of the license of that module.  An independent module is a module
+ * which is not derived from or based on this code.  If you modify
+ * this code, you may extend this exception to your version of the
+ * library, but you are not obligated to do so.  If you do not wish
+ * to do so, delete this exception statement from your version.
+ */
+
+package com.redhat.thermostat.host.overview.internal;
+
+import org.apache.felix.scr.annotations.Activate;
+import org.apache.felix.scr.annotations.Component;
+import org.apache.felix.scr.annotations.Reference;
+import org.apache.felix.scr.annotations.Service;
+import org.osgi.framework.BundleContext;
+
+import com.redhat.thermostat.backend.BackendConfiguration;
+import com.redhat.thermostat.common.config.experimental.ConfigurationInfoSource;
+import com.redhat.thermostat.common.plugin.BackendConfigurationUtil;
+
+@Component
+@Service(value = BackendConfiguration.class)
+public class HostOverviewBackendConfiguration implements BackendConfiguration {
+
+    private static final String PLUGIN_ID = "host-overview";
+    private String location;
+
+    @Reference
+    private ConfigurationInfoSource configInfoSource;
+
+    @Override
+    public boolean isEnabled() {
+        BackendConfigurationUtil configuration = new BackendConfigurationUtil(configInfoSource, PLUGIN_ID);
+        return configuration.isEnabled();
+    }
+
+    @Override
+    public String getPluginId() {
+        return PLUGIN_ID;
+    }
+
+    @Override
+    public String getLocation() {
+        return location;
+    }
+
+    @Activate
+    public void activate(BundleContext context) {
+        location = context.getBundle().getLocation();
+    }
+
+}
\ No newline at end of file

--- a/plugins/host-overview/agent/src/main/java/com/redhat/thermostat/host/overview/internal/models/HostInfoDAOImpl.java	Thu Oct 19 11:44:23 2017 -0400
+++ b/plugins/host-overview/agent/src/main/java/com/redhat/thermostat/host/overview/internal/models/HostInfoDAOImpl.java	Thu Oct 19 12:12:42 2017 -0400
@@ -44,6 +44,8 @@
 
 import org.apache.felix.scr.annotations.Activate;
 import org.apache.felix.scr.annotations.Component;
+import org.apache.felix.scr.annotations.ConfigurationPolicy;
+import org.apache.felix.scr.annotations.Modified;
 import org.apache.felix.scr.annotations.Reference;
 import org.apache.felix.scr.annotations.Service;
 
@@ -56,7 +58,10 @@
 import com.redhat.thermostat.host.overview.model.HostInfo;
 import com.redhat.thermostat.host.overview.model.HostInfoTypeAdapter;
 
-@Component
+@Component(
+        policy = ConfigurationPolicy.REQUIRE,
+        configurationPid = "host-overview"
+)
 @Service(value = HostInfoDAO.class)
 public class HostInfoDAOImpl extends PluginDAOBase<HostInfo> implements HostInfoDAO {
     
@@ -93,6 +98,16 @@
         this.config = configCreator.create(configurationInfoSource);
     }
 
+    /*
+     * Default OSGI behaviour is to restart the component when configuration changes.
+     * The @modified method acts as a callback to prevent this from happening since
+     * we don't need to restart the component for our use-case.
+     */
+    @Modified
+    protected void modified() {
+        logger.config("Doing nothing on configuration change for plugin " + PLUGIN_ID);
+    }
+
     public URI getPostURI(final URI base, HostInfo obj) {
         return base.resolve("systems/" + systemID.getSystemID());
     }

--- a/plugins/host-overview/distribution/configFiles/backend-config.properties	Thu Oct 19 11:44:23 2017 -0400
+++ b/plugins/host-overview/distribution/configFiles/backend-config.properties	Thu Oct 19 12:12:42 2017 -0400
@@ -1,2 +1,3 @@
 # URL to the microservice provided by the Thermostat web gateway
 gatewayURL=https://localhost:30000/systems/0.0.1
+enabled=true
\ No newline at end of file

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/plugins/jvm-overview/agent/src/main/java/com/redhat/thermostat/jvm/overview/agent/internal/JvmOverviewBackendConfiguration.java	Thu Oct 19 12:12:42 2017 -0400
@@ -0,0 +1,80 @@
+/*
+ * Copyright 2012-2017 Red Hat, Inc.
+ *
+ * This file is part of Thermostat.
+ *
+ * Thermostat is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published
+ * by the Free Software Foundation; either version 2, or (at your
+ * option) any later version.
+ *
+ * Thermostat is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Thermostat; see the file COPYING.  If not see
+ * <http://www.gnu.org/licenses/>.
+ *
+ * Linking this code with other modules is making a combined work
+ * based on this code.  Thus, the terms and conditions of the GNU
+ * General Public License cover the whole combination.
+ *
+ * As a special exception, the copyright holders of this code give
+ * you permission to link this code with independent modules to
+ * produce an executable, regardless of the license terms of these
+ * independent modules, and to copy and distribute the resulting
+ * executable under terms of your choice, provided that you also
+ * meet, for each linked independent module, the terms and conditions
+ * of the license of that module.  An independent module is a module
+ * which is not derived from or based on this code.  If you modify
+ * this code, you may extend this exception to your version of the
+ * library, but you are not obligated to do so.  If you do not wish
+ * to do so, delete this exception statement from your version.
+ */
+
+package com.redhat.thermostat.jvm.overview.agent.internal;
+
+import org.apache.felix.scr.annotations.Activate;
+import org.apache.felix.scr.annotations.Component;
+import org.apache.felix.scr.annotations.Reference;
+import org.apache.felix.scr.annotations.Service;
+import org.osgi.framework.BundleContext;
+
+import com.redhat.thermostat.backend.BackendConfiguration;
+import com.redhat.thermostat.common.config.experimental.ConfigurationInfoSource;
+import com.redhat.thermostat.common.plugin.BackendConfigurationUtil;
+
+@Component
+@Service(value = BackendConfiguration.class)
+public class JvmOverviewBackendConfiguration implements BackendConfiguration {
+
+    private static final String PLUGIN_ID = "jvm-overview";
+    private String location;
+
+    @Reference
+    private ConfigurationInfoSource configInfoSource;
+
+    @Override
+    public boolean isEnabled() {
+        BackendConfigurationUtil configuration = new BackendConfigurationUtil(configInfoSource, PLUGIN_ID);
+        return configuration.isEnabled();
+    }
+
+    @Override
+    public String getPluginId() {
+        return PLUGIN_ID;
+    }
+
+    @Override
+    public String getLocation() {
+        return location;
+    }
+
+    @Activate
+    public void activate(BundleContext context) {
+        location = context.getBundle().getLocation();
+    }
+
+}
\ No newline at end of file

--- a/plugins/jvm-overview/agent/src/main/java/com/redhat/thermostat/jvm/overview/agent/internal/VMMonitorBackend.java	Thu Oct 19 11:44:23 2017 -0400
+++ b/plugins/jvm-overview/agent/src/main/java/com/redhat/thermostat/jvm/overview/agent/internal/VMMonitorBackend.java	Thu Oct 19 12:12:42 2017 -0400
@@ -48,6 +48,8 @@
 import com.redhat.thermostat.storage.core.WriterID;
 import org.apache.felix.scr.annotations.Activate;
 import org.apache.felix.scr.annotations.Component;
+import org.apache.felix.scr.annotations.ConfigurationPolicy;
+import org.apache.felix.scr.annotations.Modified;
 import org.apache.felix.scr.annotations.Deactivate;
 import org.apache.felix.scr.annotations.Reference;
 import org.apache.felix.scr.annotations.Service;
@@ -63,7 +65,10 @@
 
 /**
  */
-@Component
+@Component(
+        policy = ConfigurationPolicy.REQUIRE,
+        configurationPid = "jvm-overview"
+)
 @Service(value = Backend.class)
 public class VMMonitorBackend extends BaseBackend {
     private static final Logger logger = LoggingUtils.getLogger(VMMonitorBackend.class);
@@ -103,6 +108,16 @@
         notifier.start();
     }
 
+    /*
+     * Default OSGI behaviour is to restart the component when configuration changes.
+     * The @modified method acts as a callback to prevent this from happening since
+     * we don't need to restart the component for our use-case.
+     */
+    @Modified
+    protected void modified() {
+        logger.config("Doing nothing on configuration change for plugin jvm-overview");
+    }
+
     @Deactivate
     private void _deactivate_() {
         notifier.stop();

--- a/plugins/jvm-overview/agent/src/main/java/com/redhat/thermostat/jvm/overview/agent/internal/model/VmInfoDAOImpl.java	Thu Oct 19 11:44:23 2017 -0400
+++ b/plugins/jvm-overview/agent/src/main/java/com/redhat/thermostat/jvm/overview/agent/internal/model/VmInfoDAOImpl.java	Thu Oct 19 12:12:42 2017 -0400
@@ -47,6 +47,8 @@
 
 import org.apache.felix.scr.annotations.Activate;
 import org.apache.felix.scr.annotations.Component;
+import org.apache.felix.scr.annotations.ConfigurationPolicy;
+import org.apache.felix.scr.annotations.Modified;
 import org.apache.felix.scr.annotations.Reference;
 import org.apache.felix.scr.annotations.Service;
 
@@ -61,7 +63,10 @@
 import com.redhat.thermostat.jvm.overview.agent.model.VmInfo;
 import com.redhat.thermostat.storage.core.AgentId;
 
-@Component
+@Component(
+        policy = ConfigurationPolicy.REQUIRE,
+        configurationPid = "jvm-overview"
+)
 @Service(VmInfoDAO.class)
 public class VmInfoDAOImpl implements VmInfoDAO {
 
@@ -101,6 +106,16 @@
         this.gatewayURL = config.getGatewayURL();
     }
 
+    /*
+     * Default OSGI behaviour is to restart the component when configuration changes.
+     * The @modified method acts as a callback to prevent this from happening since
+     * we don't need to restart the component for our use-case.
+     */
+    @Modified
+    protected void modified() {
+        logger.config("Doing nothing on configuration change for plugin jvm-overview");
+    }
+
     @Override
     public VmInfo getVmInfo(final VmId id) {
         return null; // TODO Remove once VM Id completer is removed

--- a/plugins/jvm-overview/distribution/configFiles/backend-config.properties	Thu Oct 19 11:44:23 2017 -0400
+++ b/plugins/jvm-overview/distribution/configFiles/backend-config.properties	Thu Oct 19 12:12:42 2017 -0400
@@ -1,2 +1,3 @@
 # URL to the microservice provided by the Thermostat web gateway
 gatewayURL=https://localhost:30000/jvms/0.0.1/
+enabled=true

--- a/plugins/vm-classstat/agent/src/main/java/com/redhat/thermostat/vm/classstat/agent/internal/VmClassStatBackend.java	Thu Oct 19 11:44:23 2017 -0400
+++ b/plugins/vm-classstat/agent/src/main/java/com/redhat/thermostat/vm/classstat/agent/internal/VmClassStatBackend.java	Thu Oct 19 12:12:42 2017 -0400
@@ -38,21 +38,31 @@
 
 import com.redhat.thermostat.backend.Backend;
 import com.redhat.thermostat.common.Version;
+import com.redhat.thermostat.common.utils.LoggingUtils;
 import com.redhat.thermostat.jvm.overview.agent.VmListenerBackend;
 import com.redhat.thermostat.jvm.overview.agent.VmStatusListenerRegistrar;
 import com.redhat.thermostat.jvm.overview.agent.VmUpdateListener;
 import com.redhat.thermostat.storage.core.WriterID;
 import org.apache.felix.scr.annotations.Activate;
 import org.apache.felix.scr.annotations.Component;
+import org.apache.felix.scr.annotations.ConfigurationPolicy;
 import org.apache.felix.scr.annotations.Deactivate;
+import org.apache.felix.scr.annotations.Modified;
 import org.apache.felix.scr.annotations.Reference;
 import org.apache.felix.scr.annotations.Service;
 import org.osgi.framework.BundleContext;
 
-@Component
+import java.util.logging.Logger;
+
+@Component(
+        policy = ConfigurationPolicy.REQUIRE,
+        configurationPid = "vm-classstat"
+)
 @Service(value = Backend.class)
 public class VmClassStatBackend extends VmListenerBackend {
 
+    private static final Logger logger = LoggingUtils.getLogger(VmClassStatBackend.class);
+
     private final ListenerCreator listenerCreator;
 
     @Reference
@@ -80,6 +90,17 @@
         initialize(writerID, registrar, version.getVersionNumber());
     }
 
+    /*
+     * Default OSGI behaviour is to restart the component when configuration changes.
+     * The @modified method acts as a callback to prevent this from happening since
+     * we don't need to restart the component for our use-case.
+     */
+    @Modified
+    protected void modified() {
+        logger.config("Doing nothing on configuration change for plugin vm-classstat");
+    }
+
+
     @Deactivate
     protected void componentDeactivated() {
         if (isActive()) {

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/plugins/vm-classstat/agent/src/main/java/com/redhat/thermostat/vm/classstat/agent/internal/VmClassStatBackendConfiguration.java	Thu Oct 19 12:12:42 2017 -0400
@@ -0,0 +1,79 @@
+/*
+ * Copyright 2012-2017 Red Hat, Inc.
+ *
+ * This file is part of Thermostat.
+ *
+ * Thermostat is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published
+ * by the Free Software Foundation; either version 2, or (at your
+ * option) any later version.
+ *
+ * Thermostat is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Thermostat; see the file COPYING.  If not see
+ * <http://www.gnu.org/licenses/>.
+ *
+ * Linking this code with other modules is making a combined work
+ * based on this code.  Thus, the terms and conditions of the GNU
+ * General Public License cover the whole combination.
+ *
+ * As a special exception, the copyright holders of this code give
+ * you permission to link this code with independent modules to
+ * produce an executable, regardless of the license terms of these
+ * independent modules, and to copy and distribute the resulting
+ * executable under terms of your choice, provided that you also
+ * meet, for each linked independent module, the terms and conditions
+ * of the license of that module.  An independent module is a module
+ * which is not derived from or based on this code.  If you modify
+ * this code, you may extend this exception to your version of the
+ * library, but you are not obligated to do so.  If you do not wish
+ * to do so, delete this exception statement from your version.
+ */
+
+package com.redhat.thermostat.vm.classstat.agent.internal;
+
+import org.apache.felix.scr.annotations.Activate;
+import org.apache.felix.scr.annotations.Component;
+import org.apache.felix.scr.annotations.Reference;
+import org.apache.felix.scr.annotations.Service;
+import org.osgi.framework.BundleContext;
+
+import com.redhat.thermostat.backend.BackendConfiguration;
+import com.redhat.thermostat.common.config.experimental.ConfigurationInfoSource;
+import com.redhat.thermostat.common.plugin.BackendConfigurationUtil;
+
+@Component
+@Service(value = BackendConfiguration.class)
+public class VmClassStatBackendConfiguration implements BackendConfiguration {
+
+    private static final String PLUGIN_ID = "vm-classstat";
+    private String location;
+
+    @Reference
+    private ConfigurationInfoSource configInfoSource;
+
+    @Override
+    public boolean isEnabled() {
+        BackendConfigurationUtil configuration = new BackendConfigurationUtil(configInfoSource, PLUGIN_ID);
+        return configuration.isEnabled();
+    }
+
+    @Override
+    public String getPluginId() {
+        return PLUGIN_ID;
+    }
+
+    @Override
+    public String getLocation() {
+        return location;
+    }
+
+    @Activate
+    public void activate(BundleContext context) {
+        location = context.getBundle().getLocation();
+    }
+}

--- a/plugins/vm-classstat/agent/src/main/java/com/redhat/thermostat/vm/classstat/agent/internal/VmClassStatDAOImpl.java	Thu Oct 19 11:44:23 2017 -0400
+++ b/plugins/vm-classstat/agent/src/main/java/com/redhat/thermostat/vm/classstat/agent/internal/VmClassStatDAOImpl.java	Thu Oct 19 12:12:42 2017 -0400
@@ -53,10 +53,16 @@
 import com.redhat.thermostat.vm.classstat.model.VmClassStatTypeAdapter;
 import org.apache.felix.scr.annotations.Activate;
 import org.apache.felix.scr.annotations.Component;
+import org.apache.felix.scr.annotations.ConfigurationPolicy;
+import org.apache.felix.scr.annotations.Deactivate;
+import org.apache.felix.scr.annotations.Modified;
 import org.apache.felix.scr.annotations.Reference;
 import org.apache.felix.scr.annotations.Service;
 
-@Component
+@Component(
+        policy = ConfigurationPolicy.REQUIRE,
+        configurationPid = "vm-classstat"
+)
 @Service(value = VmClassStatDAO.class)
 public class VmClassStatDAOImpl extends PluginDAOBase<VmClassStat> implements VmClassStatDAO {
     
@@ -93,6 +99,16 @@
         this.gatewayURL = config.getGatewayURL();
     }
 
+    /*
+     * Default OSGI behaviour is to restart the component when configuration changes.
+     * The @modified method acts as a callback to prevent this from happening since
+     * we don't need to restart the component for our use-case.
+     */
+    @Modified
+    protected void modified() {
+        logger.config("Doing nothing on configuration change for plugin vm-classstat");
+    }
+
     @Override
     protected String toJsonString(VmClassStat obj) throws IOException {
         return jsonHelper.toJson(Arrays.asList(obj));

--- a/plugins/vm-classstat/distribution/configFiles/backend-config.properties	Thu Oct 19 11:44:23 2017 -0400
+++ b/plugins/vm-classstat/distribution/configFiles/backend-config.properties	Thu Oct 19 12:12:42 2017 -0400
@@ -1,2 +1,3 @@
 # URL to the microservice provided by the Thermostat web gateway
-gatewayURL=https://localhost:30000/jvm-classstat/0.0.1
\ No newline at end of file
+gatewayURL=https://localhost:30000/jvm-classstat/0.0.1
+enabled=true
\ No newline at end of file

--- a/plugins/vm-compiler/agent/src/main/java/com/redhat/thermostat/vm/compiler/agent/internal/VmCompilerStatBackend.java	Thu Oct 19 11:44:23 2017 -0400
+++ b/plugins/vm-compiler/agent/src/main/java/com/redhat/thermostat/vm/compiler/agent/internal/VmCompilerStatBackend.java	Thu Oct 19 12:12:42 2017 -0400
@@ -36,24 +36,34 @@
 
 package com.redhat.thermostat.vm.compiler.agent.internal;
 
+import java.util.logging.Logger;
+
 import org.apache.felix.scr.annotations.Activate;
 import org.apache.felix.scr.annotations.Component;
+import org.apache.felix.scr.annotations.ConfigurationPolicy;
 import org.apache.felix.scr.annotations.Deactivate;
+import org.apache.felix.scr.annotations.Modified;
 import org.apache.felix.scr.annotations.Reference;
 import org.apache.felix.scr.annotations.Service;
 import org.osgi.framework.BundleContext;
 
 import com.redhat.thermostat.backend.Backend;
 import com.redhat.thermostat.common.Version;
+import com.redhat.thermostat.common.utils.LoggingUtils;
 import com.redhat.thermostat.jvm.overview.agent.VmListenerBackend;
 import com.redhat.thermostat.jvm.overview.agent.VmStatusListenerRegistrar;
 import com.redhat.thermostat.jvm.overview.agent.VmUpdateListener;
 import com.redhat.thermostat.storage.core.WriterID;
 
-@Component
+@Component(
+        policy = ConfigurationPolicy.REQUIRE,
+        configurationPid = "vm-compiler"
+)
 @Service(value = Backend.class)
 public class VmCompilerStatBackend extends VmListenerBackend {
 
+    private static final Logger logger = LoggingUtils.getLogger(VmCompilerStatBackend.class);
+
     private final ListenerCreator listenerCreator;
 
     @Reference
@@ -78,6 +88,16 @@
         initialize(writerID, registrar, version.getVersionNumber());
     }
 
+    /*
+     * Default OSGI behaviour is to restart the component when configuration changes.
+     * The @modified method acts as a callback to prevent this from happening since
+     * we don't need to restart the component for our use-case.
+     */
+    @Modified
+    protected void modified() {
+        logger.config("Doing nothing on configuration change for plugin vm-compiler");
+    }
+
     @Deactivate
     protected void componentDeactivated() {
         if (isActive()) {

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/plugins/vm-compiler/agent/src/main/java/com/redhat/thermostat/vm/compiler/agent/internal/VmCompilerStatBackendConfiguration.java	Thu Oct 19 12:12:42 2017 -0400
@@ -0,0 +1,79 @@
+/*
+ * Copyright 2012-2017 Red Hat, Inc.
+ *
+ * This file is part of Thermostat.
+ *
+ * Thermostat is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published
+ * by the Free Software Foundation; either version 2, or (at your
+ * option) any later version.
+ *
+ * Thermostat is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Thermostat; see the file COPYING.  If not see
+ * <http://www.gnu.org/licenses/>.
+ *
+ * Linking this code with other modules is making a combined work
+ * based on this code.  Thus, the terms and conditions of the GNU
+ * General Public License cover the whole combination.
+ *
+ * As a special exception, the copyright holders of this code give
+ * you permission to link this code with independent modules to
+ * produce an executable, regardless of the license terms of these
+ * independent modules, and to copy and distribute the resulting
+ * executable under terms of your choice, provided that you also
+ * meet, for each linked independent module, the terms and conditions
+ * of the license of that module.  An independent module is a module
+ * which is not derived from or based on this code.  If you modify
+ * this code, you may extend this exception to your version of the
+ * library, but you are not obligated to do so.  If you do not wish
+ * to do so, delete this exception statement from your version.
+ */
+
+package com.redhat.thermostat.vm.compiler.agent.internal;
+
+import org.apache.felix.scr.annotations.Activate;
+import org.apache.felix.scr.annotations.Component;
+import org.apache.felix.scr.annotations.Reference;
+import org.apache.felix.scr.annotations.Service;
+import org.osgi.framework.BundleContext;
+
+import com.redhat.thermostat.backend.BackendConfiguration;
+import com.redhat.thermostat.common.config.experimental.ConfigurationInfoSource;
+import com.redhat.thermostat.common.plugin.BackendConfigurationUtil;
+
+@Component
+@Service(value = BackendConfiguration.class)
+public class VmCompilerStatBackendConfiguration implements BackendConfiguration {
+
+    private static final String PLUGIN_ID = "vm-compiler";
+    private String location;
+
+    @Reference
+    private ConfigurationInfoSource configInfoSource;
+
+    @Override
+    public boolean isEnabled() {
+        BackendConfigurationUtil configuration = new BackendConfigurationUtil(configInfoSource, PLUGIN_ID);
+        return configuration.isEnabled();
+    }
+
+    @Override
+    public String getPluginId() {
+        return PLUGIN_ID;
+    }
+
+    @Override
+    public String getLocation() {
+        return location;
+    }
+
+    @Activate
+    public void activate(BundleContext context) {
+        location = context.getBundle().getLocation();
+    }
+}

--- a/plugins/vm-compiler/agent/src/main/java/com/redhat/thermostat/vm/compiler/agent/internal/VmCompilerStatDaoImpl.java	Thu Oct 19 11:44:23 2017 -0400
+++ b/plugins/vm-compiler/agent/src/main/java/com/redhat/thermostat/vm/compiler/agent/internal/VmCompilerStatDaoImpl.java	Thu Oct 19 12:12:42 2017 -0400
@@ -45,6 +45,8 @@
 
 import org.apache.felix.scr.annotations.Activate;
 import org.apache.felix.scr.annotations.Component;
+import org.apache.felix.scr.annotations.ConfigurationPolicy;
+import org.apache.felix.scr.annotations.Modified;
 import org.apache.felix.scr.annotations.Reference;
 import org.apache.felix.scr.annotations.Service;
 
@@ -57,7 +59,10 @@
 import com.redhat.thermostat.vm.compiler.model.VmCompilerStat;
 import com.redhat.thermostat.vm.compiler.model.VmCompilerStatTypeAdapter;
 
-@Component
+@Component(
+        policy = ConfigurationPolicy.REQUIRE,
+        configurationPid = "vm-compiler"
+)
 @Service(value = VmCompilerStatDao.class)
 public class VmCompilerStatDaoImpl extends PluginDAOBase<VmCompilerStat> implements VmCompilerStatDao {
 
@@ -93,6 +98,17 @@
         this.gatewayURL = config.getGatewayURL();
     }
 
+
+    /*
+     * Default OSGI behaviour is to restart the component when configuration changes.
+     * The @modified method acts as a callback to prevent this from happening since
+     * we don't need to restart the component for our use-case.
+     */
+    @Modified
+    protected void modified() {
+        logger.config("Doing nothing on configuration change for plugin vm-compiler");
+    }
+
     @Override
     protected String toJsonString(VmCompilerStat obj) throws IOException {
         return jsonHelper.toJson(Arrays.asList(obj));

--- a/plugins/vm-compiler/distribution/configFiles/backend-config.properties	Thu Oct 19 11:44:23 2017 -0400
+++ b/plugins/vm-compiler/distribution/configFiles/backend-config.properties	Thu Oct 19 12:12:42 2017 -0400
@@ -1,2 +1,3 @@
 # URL to the jvm-compiler microservice provided by the Thermostat web gateway
 gatewayURL=https://localhost:30000/jvm-compiler/0.0.1
+enabled=true
\ No newline at end of file

--- a/plugins/vm-cpu/agent/src/main/java/com/redhat/thermostat/vm/cpu/agent/internal/VmCpuBackend.java	Thu Oct 19 11:44:23 2017 -0400
+++ b/plugins/vm-cpu/agent/src/main/java/com/redhat/thermostat/vm/cpu/agent/internal/VmCpuBackend.java	Thu Oct 19 12:12:42 2017 -0400
@@ -58,12 +58,17 @@
 import com.redhat.thermostat.vm.cpu.agent.model.VmCpuStat;
 import org.apache.felix.scr.annotations.Activate;
 import org.apache.felix.scr.annotations.Component;
+import org.apache.felix.scr.annotations.ConfigurationPolicy;
 import org.apache.felix.scr.annotations.Deactivate;
+import org.apache.felix.scr.annotations.Modified;
 import org.apache.felix.scr.annotations.Reference;
 import org.apache.felix.scr.annotations.Service;
 import org.osgi.framework.BundleContext;
 
-@Component
+@Component(
+        policy = ConfigurationPolicy.REQUIRE,
+        configurationPid = "vm-cpu"
+)
 @Service(value = Backend.class)
 public class VmCpuBackend extends VmPollingBackend {
 
@@ -94,6 +99,17 @@
         registerAction(action);
     }
 
+
+    /*
+     * Default OSGI behaviour is to restart the component when configuration changes.
+     * The @modified method acts as a callback to prevent this from happening since
+     * we don't need to restart the component for our use-case.
+     */
+    @Modified
+    protected void modified() {
+        LOGGER.config("Doing nothing on configuration change for plugin vm-cpu");
+    }
+
     @Deactivate
     protected void componentDeactivated() {
         if (isActive()) {

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/plugins/vm-cpu/agent/src/main/java/com/redhat/thermostat/vm/cpu/agent/internal/VmCpuBackendConfiguration.java	Thu Oct 19 12:12:42 2017 -0400
@@ -0,0 +1,80 @@
+/*
+ * Copyright 2012-2017 Red Hat, Inc.
+ *
+ * This file is part of Thermostat.
+ *
+ * Thermostat is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published
+ * by the Free Software Foundation; either version 2, or (at your
+ * option) any later version.
+ *
+ * Thermostat is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Thermostat; see the file COPYING.  If not see
+ * <http://www.gnu.org/licenses/>.
+ *
+ * Linking this code with other modules is making a combined work
+ * based on this code.  Thus, the terms and conditions of the GNU
+ * General Public License cover the whole combination.
+ *
+ * As a special exception, the copyright holders of this code give
+ * you permission to link this code with independent modules to
+ * produce an executable, regardless of the license terms of these
+ * independent modules, and to copy and distribute the resulting
+ * executable under terms of your choice, provided that you also
+ * meet, for each linked independent module, the terms and conditions
+ * of the license of that module.  An independent module is a module
+ * which is not derived from or based on this code.  If you modify
+ * this code, you may extend this exception to your version of the
+ * library, but you are not obligated to do so.  If you do not wish
+ * to do so, delete this exception statement from your version.
+ */
+
+package com.redhat.thermostat.vm.cpu.agent.internal;
+
+import org.apache.felix.scr.annotations.Activate;
+import org.apache.felix.scr.annotations.Component;
+import org.apache.felix.scr.annotations.Reference;
+import org.apache.felix.scr.annotations.Service;
+import org.osgi.framework.BundleContext;
+
+import com.redhat.thermostat.backend.BackendConfiguration;
+import com.redhat.thermostat.common.config.experimental.ConfigurationInfoSource;
+import com.redhat.thermostat.common.plugin.BackendConfigurationUtil;
+
+@Component
+@Service(value = BackendConfiguration.class)
+public class VmCpuBackendConfiguration implements BackendConfiguration {
+
+    private static final String PLUGIN_ID = "vm-cpu";
+    private String location;
+
+    @Reference
+    private ConfigurationInfoSource configInfoSource;
+
+    @Override
+    public boolean isEnabled() {
+        BackendConfigurationUtil configuration = new BackendConfigurationUtil(configInfoSource, PLUGIN_ID);
+        return configuration.isEnabled();
+    }
+
+    @Override
+    public String getPluginId() {
+        return PLUGIN_ID;
+    }
+
+    @Override
+    public String getLocation() {
+        return location;
+    }
+
+    @Activate
+    public void activate(BundleContext context) {
+        location = context.getBundle().getLocation();
+    }
+
+}
\ No newline at end of file

--- a/plugins/vm-cpu/agent/src/main/java/com/redhat/thermostat/vm/cpu/agent/internal/VmCpuStatDAOImpl.java	Thu Oct 19 11:44:23 2017 -0400
+++ b/plugins/vm-cpu/agent/src/main/java/com/redhat/thermostat/vm/cpu/agent/internal/VmCpuStatDAOImpl.java	Thu Oct 19 12:12:42 2017 -0400
@@ -52,10 +52,15 @@
 import com.redhat.thermostat.vm.cpu.agent.model.VmCpuStatTypeAdapter;
 import org.apache.felix.scr.annotations.Activate;
 import org.apache.felix.scr.annotations.Component;
+import org.apache.felix.scr.annotations.ConfigurationPolicy;
+import org.apache.felix.scr.annotations.Modified;
 import org.apache.felix.scr.annotations.Reference;
 import org.apache.felix.scr.annotations.Service;
 
-@Component
+@Component(
+        policy = ConfigurationPolicy.REQUIRE,
+        configurationPid = "vm-cpu"
+)
 @Service(value = VmCpuStatDAO.class)
 public class VmCpuStatDAOImpl extends PluginDAOBase<VmCpuStat> implements VmCpuStatDAO {
 
@@ -89,6 +94,17 @@
         pluginConfiguration = configurationCreator.create(configurationInfoSource);
     }
 
+
+    /*
+     * Default OSGI behaviour is to restart the component when configuration changes.
+     * The @modified method acts as a callback to prevent this from happening since
+     * we don't need to restart the component for our use-case.
+     */
+    @Modified
+    protected void modified() {
+        logger.config("Doing nothing on configuration change for plugin vm-cpu");
+    }
+
     @Override
     protected String toJsonString(VmCpuStat obj) throws IOException {
         return jsonHelper.toJson(Collections.singletonList(obj));

--- a/plugins/vm-cpu/distribution/configFiles/backend-config.properties	Thu Oct 19 11:44:23 2017 -0400
+++ b/plugins/vm-cpu/distribution/configFiles/backend-config.properties	Thu Oct 19 12:12:42 2017 -0400
@@ -1,2 +1,3 @@
 # URL to the jvm-cpu microservice provided by the Thermostat web gateway
 gatewayURL=https://localhost:30000/jvm-cpu/0.0.1
+enabled=true
\ No newline at end of file

--- a/plugins/vm-gc/agent/src/main/java/com/redhat/thermostat/vm/gc/agent/internal/VmGcBackend.java	Thu Oct 19 11:44:23 2017 -0400
+++ b/plugins/vm-gc/agent/src/main/java/com/redhat/thermostat/vm/gc/agent/internal/VmGcBackend.java	Thu Oct 19 12:12:42 2017 -0400
@@ -36,11 +36,16 @@
 
 package com.redhat.thermostat.vm.gc.agent.internal;
 
+import java.util.logging.Logger;
+
+import com.redhat.thermostat.common.utils.LoggingUtils;
 import com.redhat.thermostat.jvm.overview.agent.VmListenerBackend;
 import com.redhat.thermostat.jvm.overview.agent.VmStatusListenerRegistrar;
 import com.redhat.thermostat.jvm.overview.agent.VmUpdateListener;
 import org.apache.felix.scr.annotations.Activate;
 import org.apache.felix.scr.annotations.Component;
+import org.apache.felix.scr.annotations.ConfigurationPolicy;
+import org.apache.felix.scr.annotations.Modified;
 import org.apache.felix.scr.annotations.Deactivate;
 import org.apache.felix.scr.annotations.Reference;
 import org.apache.felix.scr.annotations.Service;
@@ -50,10 +55,15 @@
 import com.redhat.thermostat.storage.core.WriterID;
 import com.redhat.thermostat.vm.gc.agent.internal.models.VmGcStatDAO;
 
-@Component
+@Component(
+        policy = ConfigurationPolicy.REQUIRE,
+        configurationPid = "vm-gc"
+)
 @Service(value = Backend.class)
 public class VmGcBackend extends VmListenerBackend {
-    
+
+    private static final Logger logger = LoggingUtils.getLogger(VmGcBackend.class);
+
     private final ListenerCreator listenerCreator;
     
     @Reference
@@ -81,6 +91,16 @@
         Version version = new Version(context.getBundle());
         initialize(writerId, registrar, version.getVersionNumber());
     }
+
+    /*
+     * Default OSGI behaviour is to restart the component when configuration changes.
+     * The @modified method acts as a callback to prevent this from happening since
+     * we don't need to restart the component for our use-case.
+     */
+    @Modified
+    protected void modified() {
+        logger.config("Doing nothing on configuration change for plugin vm-gc");
+    }
     
     @Deactivate
     protected void componentDeactivated() {

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/plugins/vm-gc/agent/src/main/java/com/redhat/thermostat/vm/gc/agent/internal/VmGcBackendConfiguration.java	Thu Oct 19 12:12:42 2017 -0400
@@ -0,0 +1,80 @@
+/*
+ * Copyright 2012-2017 Red Hat, Inc.
+ *
+ * This file is part of Thermostat.
+ *
+ * Thermostat is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published
+ * by the Free Software Foundation; either version 2, or (at your
+ * option) any later version.
+ *
+ * Thermostat is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Thermostat; see the file COPYING.  If not see
+ * <http://www.gnu.org/licenses/>.
+ *
+ * Linking this code with other modules is making a combined work
+ * based on this code.  Thus, the terms and conditions of the GNU
+ * General Public License cover the whole combination.
+ *
+ * As a special exception, the copyright holders of this code give
+ * you permission to link this code with independent modules to
+ * produce an executable, regardless of the license terms of these
+ * independent modules, and to copy and distribute the resulting
+ * executable under terms of your choice, provided that you also
+ * meet, for each linked independent module, the terms and conditions
+ * of the license of that module.  An independent module is a module
+ * which is not derived from or based on this code.  If you modify
+ * this code, you may extend this exception to your version of the
+ * library, but you are not obligated to do so.  If you do not wish
+ * to do so, delete this exception statement from your version.
+ */
+
+package com.redhat.thermostat.vm.gc.agent.internal;
+
+import org.apache.felix.scr.annotations.Activate;
+import org.apache.felix.scr.annotations.Component;
+import org.apache.felix.scr.annotations.Reference;
+import org.apache.felix.scr.annotations.Service;
+import org.osgi.framework.BundleContext;
+
+import com.redhat.thermostat.backend.BackendConfiguration;
+import com.redhat.thermostat.common.config.experimental.ConfigurationInfoSource;
+import com.redhat.thermostat.common.plugin.BackendConfigurationUtil;
+
+@Component
+@Service(value = BackendConfiguration.class)
+public class VmGcBackendConfiguration implements BackendConfiguration {
+
+    private static final String PLUGIN_ID = "vm-gc";
+    private String location;
+
+    @Reference
+    private ConfigurationInfoSource configInfoSource;
+
+    @Override
+    public boolean isEnabled() {
+        BackendConfigurationUtil configuration = new BackendConfigurationUtil(configInfoSource, PLUGIN_ID);
+        return configuration.isEnabled();
+    }
+
+    @Override
+    public String getPluginId() {
+        return PLUGIN_ID;
+    }
+
+    @Override
+    public String getLocation() {
+        return location;
+    }
+
+    @Activate
+    public void activate(BundleContext context) {
+        location = context.getBundle().getLocation();
+    }
+
+}
\ No newline at end of file

--- a/plugins/vm-gc/agent/src/main/java/com/redhat/thermostat/vm/gc/agent/internal/models/VmGcStatDAOImpl.java	Thu Oct 19 11:44:23 2017 -0400
+++ b/plugins/vm-gc/agent/src/main/java/com/redhat/thermostat/vm/gc/agent/internal/models/VmGcStatDAOImpl.java	Thu Oct 19 12:12:42 2017 -0400
@@ -46,6 +46,8 @@
 import com.redhat.thermostat.common.plugin.SystemID;
 import org.apache.felix.scr.annotations.Activate;
 import org.apache.felix.scr.annotations.Component;
+import org.apache.felix.scr.annotations.ConfigurationPolicy;
+import org.apache.felix.scr.annotations.Modified;
 import org.apache.felix.scr.annotations.Reference;
 import org.apache.felix.scr.annotations.Service;
 
@@ -56,7 +58,10 @@
 import com.redhat.thermostat.common.utils.LoggingUtils;
 import com.redhat.thermostat.vm.gc.agent.model.VmGcStat;
 
-@Component
+@Component(
+        policy = ConfigurationPolicy.REQUIRE,
+        configurationPid = "vm-gc"
+)
 @Service(value = VmGcStatDAO.class)
 public class VmGcStatDAOImpl implements VmGcStatDAO {
     
@@ -92,6 +97,16 @@
         this.gatewayURL = config.getGatewayURL();
     }
 
+    /*
+     * Default OSGI behaviour is to restart the component when configuration changes.
+     * The @modified method acts as a callback to prevent this from happening since
+     * we don't need to restart the component for our use-case.
+     */
+    @Modified
+    protected void modified() {
+        logger.config("Doing nothing on configuration change for plugin " + PLUGIN_ID);
+    }
+
     void bindSystemID(final SystemID id) {
         this.systemID = id;
     }

--- a/plugins/vm-gc/distribution/configFiles/backend-config.properties	Thu Oct 19 11:44:23 2017 -0400
+++ b/plugins/vm-gc/distribution/configFiles/backend-config.properties	Thu Oct 19 12:12:42 2017 -0400
@@ -1,2 +1,3 @@
 # URL to the jvm-gc microservice provided by the Thermostat web gateway
 gatewayURL=https://localhost:30000/jvm-gc/0.0.3
+enabled=true

--- a/plugins/vm-io/agent/src/main/java/com/redhat/thermostat/vm/io/agent/internal/VmIoBackend.java	Thu Oct 19 11:44:23 2017 -0400
+++ b/plugins/vm-io/agent/src/main/java/com/redhat/thermostat/vm/io/agent/internal/VmIoBackend.java	Thu Oct 19 12:12:42 2017 -0400
@@ -39,6 +39,7 @@
 import com.redhat.thermostat.backend.Backend;
 import com.redhat.thermostat.common.SystemClock;
 import com.redhat.thermostat.common.Version;
+import com.redhat.thermostat.common.utils.LoggingUtils;
 import com.redhat.thermostat.jvm.overview.agent.VmListenerBackend;
 import com.redhat.thermostat.jvm.overview.agent.VmStatusListenerRegistrar;
 import com.redhat.thermostat.jvm.overview.agent.VmUpdate;
@@ -47,15 +48,24 @@
 import com.redhat.thermostat.vm.io.model.VmIoStat;
 import org.apache.felix.scr.annotations.Activate;
 import org.apache.felix.scr.annotations.Component;
+import org.apache.felix.scr.annotations.ConfigurationPolicy;
 import org.apache.felix.scr.annotations.Deactivate;
+import org.apache.felix.scr.annotations.Modified;
 import org.apache.felix.scr.annotations.Reference;
 import org.apache.felix.scr.annotations.Service;
 import org.osgi.framework.BundleContext;
 
-@Component
+import java.util.logging.Logger;
+
+@Component(
+        policy = ConfigurationPolicy.REQUIRE,
+        configurationPid = "vm-io"
+)
 @Service(value = Backend.class)
 public class VmIoBackend extends VmListenerBackend {
-    
+
+    private Logger logger = LoggingUtils.getLogger(VmIoBackend.class);
+
     private final ListenerCreator listenerCreator;
 
     @Reference
@@ -87,6 +97,16 @@
         initialize(writerId, registrar, version.getVersionNumber());
     }
 
+    /*
+     * Default OSGI behaviour is to restart the component when configuration changes.
+     * The @modified method acts as a callback to prevent this from happening since
+     * we don't need to restart the component for our use-case.
+     */
+    @Modified
+    protected void modified() {
+        logger.fine("Doing nothing on configuration change for plugin vm-io");
+    }
+
     @Deactivate
     protected void componentDeactivated() {
         if (isActive()) {

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/plugins/vm-io/agent/src/main/java/com/redhat/thermostat/vm/io/agent/internal/VmIoBackendConfiguration.java	Thu Oct 19 12:12:42 2017 -0400
@@ -0,0 +1,80 @@
+/*
+ * Copyright 2012-2017 Red Hat, Inc.
+ *
+ * This file is part of Thermostat.
+ *
+ * Thermostat is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published
+ * by the Free Software Foundation; either version 2, or (at your
+ * option) any later version.
+ *
+ * Thermostat is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Thermostat; see the file COPYING.  If not see
+ * <http://www.gnu.org/licenses/>.
+ *
+ * Linking this code with other modules is making a combined work
+ * based on this code.  Thus, the terms and conditions of the GNU
+ * General Public License cover the whole combination.
+ *
+ * As a special exception, the copyright holders of this code give
+ * you permission to link this code with independent modules to
+ * produce an executable, regardless of the license terms of these
+ * independent modules, and to copy and distribute the resulting
+ * executable under terms of your choice, provided that you also
+ * meet, for each linked independent module, the terms and conditions
+ * of the license of that module.  An independent module is a module
+ * which is not derived from or based on this code.  If you modify
+ * this code, you may extend this exception to your version of the
+ * library, but you are not obligated to do so.  If you do not wish
+ * to do so, delete this exception statement from your version.
+ */
+
+package com.redhat.thermostat.vm.io.agent.internal;
+
+import org.apache.felix.scr.annotations.Activate;
+import org.apache.felix.scr.annotations.Component;
+import org.apache.felix.scr.annotations.Reference;
+import org.apache.felix.scr.annotations.Service;
+import org.osgi.framework.BundleContext;
+
+import com.redhat.thermostat.backend.BackendConfiguration;
+import com.redhat.thermostat.common.config.experimental.ConfigurationInfoSource;
+import com.redhat.thermostat.common.plugin.BackendConfigurationUtil;
+
+@Component
+@Service(value = BackendConfiguration.class)
+public class VmIoBackendConfiguration implements BackendConfiguration {
+
+    private static final String PLUGIN_ID = "vm-io";
+    private String location;
+
+    @Reference
+    private ConfigurationInfoSource configInfoSource;
+
+    @Override
+    public boolean isEnabled() {
+        BackendConfigurationUtil configuration = new BackendConfigurationUtil(configInfoSource, PLUGIN_ID);
+        return configuration.isEnabled();
+    }
+
+    @Override
+    public String getPluginId() {
+        return PLUGIN_ID;
+    }
+
+    @Override
+    public String getLocation() {
+        return location;
+    }
+
+    @Activate
+    public void activate(BundleContext context) {
+        location = context.getBundle().getLocation();
+    }
+
+}
\ No newline at end of file

--- a/plugins/vm-io/agent/src/main/java/com/redhat/thermostat/vm/io/agent/internal/VmIoStatDAOImpl.java	Thu Oct 19 11:44:23 2017 -0400
+++ b/plugins/vm-io/agent/src/main/java/com/redhat/thermostat/vm/io/agent/internal/VmIoStatDAOImpl.java	Thu Oct 19 12:12:42 2017 -0400
@@ -52,10 +52,15 @@
 import com.redhat.thermostat.vm.io.model.VmIoStatTypeAdapter;
 import org.apache.felix.scr.annotations.Activate;
 import org.apache.felix.scr.annotations.Component;
+import org.apache.felix.scr.annotations.ConfigurationPolicy;
+import org.apache.felix.scr.annotations.Modified;
 import org.apache.felix.scr.annotations.Reference;
 import org.apache.felix.scr.annotations.Service;
 
-@Component
+@Component(
+        policy = ConfigurationPolicy.REQUIRE,
+        configurationPid = "vm-io"
+)
 @Service(value = VmIoStatDAO.class)
 public class VmIoStatDAOImpl extends PluginDAOBase<VmIoStat> implements VmIoStatDAO {
 
@@ -89,6 +94,16 @@
         config = configCreator.create(configurationInfoSource);
     }
 
+    /*
+     * Default OSGI behaviour is to restart the component when configuration changes.
+     * The @modified method acts as a callback to prevent this from happening since
+     * we don't need to restart the component for our use-case.
+     */
+    @Modified
+    protected void modified() {
+        logger.fine("Doing nothing on configuration change for plugin " + PLUGIN_ID);
+    }
+
     public String getPluginId() {
         return PLUGIN_ID;
     }

--- a/plugins/vm-io/distribution/configFiles/backend-config.properties	Thu Oct 19 11:44:23 2017 -0400
+++ b/plugins/vm-io/distribution/configFiles/backend-config.properties	Thu Oct 19 12:12:42 2017 -0400
@@ -1,2 +1,3 @@
 # URL to the microservice provided by the Thermostat web gateway
 gatewayURL=https://localhost:30000/jvm-io/0.0.1
+enabled=true

--- a/plugins/vm-memory/agent/src/main/java/com/redhat/thermostat/vm/memory/agent/internal/VmMemoryBackend.java	Thu Oct 19 11:44:23 2017 -0400
+++ b/plugins/vm-memory/agent/src/main/java/com/redhat/thermostat/vm/memory/agent/internal/VmMemoryBackend.java	Thu Oct 19 12:12:42 2017 -0400
@@ -36,8 +36,13 @@
 
 package com.redhat.thermostat.vm.memory.agent.internal;
 
+import java.util.logging.Logger;
+
+import com.redhat.thermostat.common.utils.LoggingUtils;
 import org.apache.felix.scr.annotations.Activate;
 import org.apache.felix.scr.annotations.Component;
+import org.apache.felix.scr.annotations.ConfigurationPolicy;
+import org.apache.felix.scr.annotations.Modified;
 import org.apache.felix.scr.annotations.Deactivate;
 import org.apache.felix.scr.annotations.Reference;
 import org.apache.felix.scr.annotations.Service;
@@ -52,10 +57,15 @@
 import com.redhat.thermostat.vm.memory.agent.internal.models.VmMemoryStatDAO;
 import com.redhat.thermostat.vm.memory.agent.internal.models.VmTlabStatDAO;
 
-@Component
+@Component(
+        policy = ConfigurationPolicy.REQUIRE,
+        configurationPid = "vm-memory"
+)
 @Service(value = Backend.class)
 public class VmMemoryBackend extends VmListenerBackend {
 
+    private static final Logger logger = LoggingUtils.getLogger(VmMemoryBackend.class);
+
     private final ListenerCreator listenerCreator;
 
     @Reference
@@ -83,6 +93,16 @@
         initialize(writerId, registrar, version.getVersionNumber());
     }
 
+    /*
+     * Default OSGI behaviour is to restart the component when configuration changes.
+     * The @modified method acts as a callback to prevent this from happening since
+     * we don't need to restart the component for our use-case.
+     */
+    @Modified
+    protected void modified() {
+        logger.config("Doing nothing on configuration change for plugin vm-memory");
+    }
+
     @Deactivate
     protected void componentDeactivated() {
         if (isActive()) {

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/plugins/vm-memory/agent/src/main/java/com/redhat/thermostat/vm/memory/agent/internal/VmMemoryBackendConfiguration.java	Thu Oct 19 12:12:42 2017 -0400
@@ -0,0 +1,80 @@
+/*
+ * Copyright 2012-2017 Red Hat, Inc.
+ *
+ * This file is part of Thermostat.
+ *
+ * Thermostat is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published
+ * by the Free Software Foundation; either version 2, or (at your
+ * option) any later version.
+ *
+ * Thermostat is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Thermostat; see the file COPYING.  If not see
+ * <http://www.gnu.org/licenses/>.
+ *
+ * Linking this code with other modules is making a combined work
+ * based on this code.  Thus, the terms and conditions of the GNU
+ * General Public License cover the whole combination.
+ *
+ * As a special exception, the copyright holders of this code give
+ * you permission to link this code with independent modules to
+ * produce an executable, regardless of the license terms of these
+ * independent modules, and to copy and distribute the resulting
+ * executable under terms of your choice, provided that you also
+ * meet, for each linked independent module, the terms and conditions
+ * of the license of that module.  An independent module is a module
+ * which is not derived from or based on this code.  If you modify
+ * this code, you may extend this exception to your version of the
+ * library, but you are not obligated to do so.  If you do not wish
+ * to do so, delete this exception statement from your version.
+ */
+
+package com.redhat.thermostat.vm.memory.agent.internal;
+
+import org.apache.felix.scr.annotations.Activate;
+import org.apache.felix.scr.annotations.Component;
+import org.apache.felix.scr.annotations.Reference;
+import org.apache.felix.scr.annotations.Service;
+import org.osgi.framework.BundleContext;
+
+import com.redhat.thermostat.backend.BackendConfiguration;
+import com.redhat.thermostat.common.config.experimental.ConfigurationInfoSource;
+import com.redhat.thermostat.common.plugin.BackendConfigurationUtil;
+
+@Component
+@Service(value = BackendConfiguration.class)
+public class VmMemoryBackendConfiguration implements BackendConfiguration {
+
+    private static final String PLUGIN_ID = "vm-memory";
+    private String location;
+
+    @Reference
+    private ConfigurationInfoSource configInfoSource;
+
+    @Override
+    public boolean isEnabled() {
+        BackendConfigurationUtil configuration = new BackendConfigurationUtil(configInfoSource, PLUGIN_ID);
+        return configuration.isEnabled();
+    }
+
+    @Override
+    public String getPluginId() {
+        return PLUGIN_ID;
+    }
+
+    @Override
+    public String getLocation() {
+        return location;
+    }
+
+    @Activate
+    public void activate(BundleContext context) {
+        location = context.getBundle().getLocation();
+    }
+
+}
\ No newline at end of file

--- a/plugins/vm-memory/agent/src/main/java/com/redhat/thermostat/vm/memory/agent/internal/models/VmMemoryStatDAOImpl.java	Thu Oct 19 11:44:23 2017 -0400
+++ b/plugins/vm-memory/agent/src/main/java/com/redhat/thermostat/vm/memory/agent/internal/models/VmMemoryStatDAOImpl.java	Thu Oct 19 12:12:42 2017 -0400
@@ -46,6 +46,8 @@
 import com.redhat.thermostat.common.plugin.SystemID;
 import org.apache.felix.scr.annotations.Activate;
 import org.apache.felix.scr.annotations.Component;
+import org.apache.felix.scr.annotations.ConfigurationPolicy;
+import org.apache.felix.scr.annotations.Modified;
 import org.apache.felix.scr.annotations.Reference;
 import org.apache.felix.scr.annotations.Service;
 
@@ -56,7 +58,10 @@
 import com.redhat.thermostat.common.utils.LoggingUtils;
 import com.redhat.thermostat.vm.memory.agent.model.VmMemoryStat;
 
-@Component
+@Component(
+        policy = ConfigurationPolicy.REQUIRE,
+        configurationPid = "vm-memory"
+)
 @Service(value = VmMemoryStatDAO.class)
 public class VmMemoryStatDAOImpl implements VmMemoryStatDAO {
 
@@ -93,6 +98,16 @@
         this.gatewayURL = config.getGatewayURL();
     }
 
+    /*
+     * Default OSGI behaviour is to restart the component when configuration changes.
+     * The @modified method acts as a callback to prevent this from happening since
+     * we don't need to restart the component for our use-case.
+     */
+    @Modified
+    protected void modified() {
+        logger.config("Doing nothing on configuration change for plugin vm-memory");
+    }
+
     void bindSystemID(final SystemID id) {
         this.systemID = id;
     }

--- a/plugins/vm-memory/distribution/configFiles/backend-config.properties	Thu Oct 19 11:44:23 2017 -0400
+++ b/plugins/vm-memory/distribution/configFiles/backend-config.properties	Thu Oct 19 12:12:42 2017 -0400
@@ -1,2 +1,3 @@
 # URL to the jvm-memory microservice provided by the Thermostat web gateway
 gatewayURL=https://localhost:30000/jvm-memory/0.0.3
+enabled=true