Make persistence optional

Change-Id: I9db2d9705abeb27be0fb0c71229386b1943dcaf9
Signed-off-by: Maros Marsalek <mmarsale@cisco.com>

3 files changed, 30 insertions, 2 deletions

diff --git a/infra/minimal-distribution/src/main/java/io/fd/honeycomb/infra/distro/cfgattrs/HoneycombConfiguration.java b/infra/minimal-distribution/src/main/java/io/fd/honeycomb/infra/distro/cfgattrs/HoneycombConfiguration.java
index 8c09c7b71..cc46f7b8e 100644
--- a/infra/minimal-distribution/src/main/java/io/fd/honeycomb/infra/distro/cfgattrs/HoneycombConfiguration.java
+++ b/infra/minimal-distribution/src/main/java/io/fd/honeycomb/infra/distro/cfgattrs/HoneycombConfiguration.java
@@ -55,10 +55,21 @@ public class HoneycombConfiguration {
         return isNetconfTcpEnabled() || isNetconfSshEnabled();
     }
 
+    public boolean isConfigPersistenceEnabled() {
+        return persistConfig.isPresent() && Boolean.valueOf(persistConfig.get());
+    }
+    public boolean isContextPersistenceEnabled() {
+        return persistContext.isPresent() && Boolean.valueOf(persistContext.get());
+    }
+
+    @InjectConfig("persist-context")
+    public Optional<String> persistContext = Optional.of("true");
     @InjectConfig("persisted-context-path")
     public String peristContextPath;
     @InjectConfig("persisted-context-restoration-type")
     public String persistedContextRestorationType;
+    @InjectConfig("persist-config")
+    public Optional<String> persistConfig = Optional.of("true");
     @InjectConfig("persisted-config-path")
     public String peristConfigPath;
     @InjectConfig("persisted-config-restoration-type")
diff --git a/infra/minimal-distribution/src/main/java/io/fd/honeycomb/infra/distro/data/PersistingDataTreeProvider.java b/infra/minimal-distribution/src/main/java/io/fd/honeycomb/infra/distro/data/PersistingDataTreeProvider.java
index fb4ebc69d..e7a654c7d 100644
--- a/infra/minimal-distribution/src/main/java/io/fd/honeycomb/infra/distro/data/PersistingDataTreeProvider.java
+++ b/infra/minimal-distribution/src/main/java/io/fd/honeycomb/infra/distro/data/PersistingDataTreeProvider.java
@@ -34,8 +34,10 @@ public abstract class PersistingDataTreeProvider extends ProviderTrait<DataTree>
     @Inject
     protected HoneycombConfiguration config;
 
-    public PersistingDataTreeAdapter create() {
-        return new PersistingDataTreeAdapter(getDelegate(), schemaService, Paths.get(getPath()));
+    public DataTree create() {
+        return isEnabled()
+                ? new PersistingDataTreeAdapter(getDelegate(), schemaService, Paths.get(getPath()))
+                : getDelegate();
     }
 
     public abstract String getPath();
@@ -44,6 +46,8 @@ public abstract class PersistingDataTreeProvider extends ProviderTrait<DataTree>
 
     public abstract DataTree getDelegate();
 
+    protected abstract boolean isEnabled();
+
     public static final class ConfigPersistingDataTreeProvider extends PersistingDataTreeProvider {
 
         @Inject
@@ -61,6 +65,11 @@ public abstract class PersistingDataTreeProvider extends ProviderTrait<DataTree>
         public DataTree getDelegate() {
             return delegate;
         }
+
+        @Override
+        protected boolean isEnabled() {
+            return config.isConfigPersistenceEnabled();
+        }
     }
 
     public static final class ContextPersistingDataTreeProvider extends PersistingDataTreeProvider {
@@ -80,5 +89,11 @@ public abstract class PersistingDataTreeProvider extends ProviderTrait<DataTree>
         public DataTree getDelegate() {
             return delegate;
         }
+
+        @Override
+        protected boolean isEnabled() {
+            return config.isContextPersistenceEnabled();
+        }
+
     }
 }
diff --git a/infra/minimal-distribution/src/main/resources/honeycomb-minimal-resources/config/honeycomb.json b/infra/minimal-distribution/src/main/resources/honeycomb-minimal-resources/config/honeycomb.json
index 0c35c5262..1199f85bc 100644
--- a/infra/minimal-distribution/src/main/resources/honeycomb-minimal-resources/config/honeycomb.json
+++ b/infra/minimal-distribution/src/main/resources/honeycomb-minimal-resources/config/honeycomb.json
@@ -1,6 +1,8 @@
   {
+  "persist-context": "true",
   "persisted-context-path": "/var/lib/honeycomb/persist/context/data.json",
   "persisted-context-restoration-type": "Merge",
+  "persist-config": "true",
   "persisted-config-path": "/var/lib/honeycomb/persist/config/data.json",
   "persisted-config-restoration-type": "Merge",