HONEYCOMB-61: Restore configuration and context from persisted files

Change-Id: I6edce127f8895f5d65998b4be71a0a111ca2e8bb
Signed-off-by: Maros Marsalek <mmarsale@cisco.com>

1 files changed, 55 insertions, 0 deletions

diff --git a/v3po/vpp-cfg-init/src/main/java/org/opendaylight/yang/gen/v1/urn/honeycomb/params/xml/ns/yang/vpp/data/init/rev160407/ConfigurationInitializerRegistryModule.java b/v3po/vpp-cfg-init/src/main/java/org/opendaylight/yang/gen/v1/urn/honeycomb/params/xml/ns/yang/vpp/data/init/rev160407/ConfigurationInitializerRegistryModule.java
new file mode 100644
index 000000000..d80b9ed30
--- /dev/null
+++ b/v3po/vpp-cfg-init/src/main/java/org/opendaylight/yang/gen/v1/urn/honeycomb/params/xml/ns/yang/vpp/data/init/rev160407/ConfigurationInitializerRegistryModule.java
@@ -0,0 +1,55 @@
+package org.opendaylight.yang.gen.v1.urn.honeycomb.params.xml.ns.yang.vpp.data.init.rev160407;
+
+import io.fd.honeycomb.v3po.vpp.data.init.InitializerRegistry;
+import io.fd.honeycomb.v3po.vpp.data.init.InitializerRegistryImpl;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+* Initializer registry, delegating initialization to a list of initializers
+*/
+public class ConfigurationInitializerRegistryModule extends org.opendaylight.yang.gen.v1.urn.honeycomb.params.xml.ns.yang.vpp.data.init.rev160407.AbstractConfigurationInitializerRegistryModule {
+
+    private static final Logger LOG = LoggerFactory.getLogger(ConfigurationInitializerRegistryModule.class);
+
+    public ConfigurationInitializerRegistryModule(org.opendaylight.controller.config.api.ModuleIdentifier identifier, org.opendaylight.controller.config.api.DependencyResolver dependencyResolver) {
+        super(identifier, dependencyResolver);
+    }
+
+    public ConfigurationInitializerRegistryModule(org.opendaylight.controller.config.api.ModuleIdentifier identifier, org.opendaylight.controller.config.api.DependencyResolver dependencyResolver, org.opendaylight.yang.gen.v1.urn.honeycomb.params.xml.ns.yang.vpp.data.init.rev160407.ConfigurationInitializerRegistryModule oldModule, java.lang.AutoCloseable oldInstance) {
+        super(identifier, dependencyResolver, oldModule, oldInstance);
+    }
+
+    @Override
+    public void customValidation() {
+        // add custom validation form module attributes here.
+    }
+
+    @Override
+    public java.lang.AutoCloseable createInstance() {
+        LOG.info("VppConfigurationInitializerModule.createInstance(): initialization started");
+
+        final InitializerRegistry initializer = new InitializerRegistryImpl(getInitializersDependency());
+
+        try {
+            // Initialize contexts first so that other initializers can find any relevant mapping before initializing
+            // configuration to what is already in VPP
+            getPersistedContextInitializerDependency().initialize();
+            LOG.info("Persisted context restored successfully");
+            // Initialize all registered initializers
+            initializer.initialize();
+            LOG.info("VPP configuration initialized successfully from VPP");
+            // Initialize stored configuration on top
+            // FIXME uncomment and test
+//            getPersistedConfigInitializerDependency().initialize();
+            LOG.info("Persisted configuration restored successfully");
+        } catch (Exception e) {
+            LOG.warn("Failed to initialize config", e);
+        }
+
+        LOG.info("Honeycomb initialized");
+
+        return initializer;
+    }
+
+}