Honour container.replica option

Use the GerritIsReplica annotation to get information about gerrit being
a read-only installation so that both container.replica and the legacy
configuration are honoured.

Change-Id: I820f9a9e6094ff682b02acfbb9bf1dec6b65fa3b

src/main/java/com/googlesource/gerrit/plugins/healthcheck/HealthCheckConfig.java

diff --git a/src/main/java/com/googlesource/gerrit/plugins/healthcheck/HealthCheckConfig.java b/src/main/java/com/googlesource/gerrit/plugins/healthcheck/HealthCheckConfig.java
index 2242463..3e5306c 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/healthcheck/HealthCheckConfig.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/healthcheck/HealthCheckConfig.java
@@ -24,7 +24,7 @@
 import com.google.gerrit.extensions.annotations.PluginName;
 import com.google.gerrit.server.config.AllProjectsName;
 import com.google.gerrit.server.config.AllUsersName;
-import com.google.gerrit.server.config.GerritServerConfig;
+import com.google.gerrit.server.config.GerritIsReplica;
 import com.google.gerrit.server.config.PluginConfigFactory;
 import com.google.inject.Inject;
 import com.google.inject.Singleton;
@@ -62,11 +62,11 @@
       @PluginName String pluginName,
       AllProjectsName allProjectsName,
       AllUsersName allUsersName,
-      @GerritServerConfig Config gerritConfig) {
+      @GerritIsReplica boolean isReplica) {
     config = configFactory.getGlobalPluginConfig(pluginName);
     this.allProjectsName = allProjectsName;
     this.allUsersName = allUsersName;
-    isReplica = gerritConfig.getBoolean("container", "slave", false);
+    this.isReplica = isReplica;
   }
 
   @VisibleForTesting

src/test/java/com/googlesource/gerrit/plugins/healthcheck/HealthCheckIT.java

diff --git a/src/test/java/com/googlesource/gerrit/plugins/healthcheck/HealthCheckIT.java b/src/test/java/com/googlesource/gerrit/plugins/healthcheck/HealthCheckIT.java
index ef5dc8e..16c6739 100644
--- a/src/test/java/com/googlesource/gerrit/plugins/healthcheck/HealthCheckIT.java
+++ b/src/test/java/com/googlesource/gerrit/plugins/healthcheck/HealthCheckIT.java
@@ -84,7 +84,7 @@
   }
 
   @Test
-  @GerritConfig(name = "container.slave", value = "true")
+  @GerritConfig(name = "container.replica", value = "true")
   public void shouldReturnJGitCheckForReplicaWhenAuthenticated() throws Exception {
     RestResponse resp = getHealthCheckStatus();
     resp.assertOK();
@@ -92,7 +92,7 @@
   }
 
   @Test
-  @GerritConfig(name = "container.slave", value = "true")
+  @GerritConfig(name = "container.replica", value = "true")
   public void shouldReturnJGitCheckForReplicaAnonymously() throws Exception {
     RestResponse resp = getHealthCheckStatusAnonymously();
     resp.assertOK();
@@ -135,8 +135,8 @@
   }
 
   @Test
-  @GerritConfig(name = "container.slave", value = "true")
-  public void shouldReturnQueryChangesAsDisabledForSlave() throws Exception {
+  @GerritConfig(name = "container.replica", value = "true")
+  public void shouldReturnQueryChangesAsDisabledForReplica() throws Exception {
     RestResponse resp = getHealthCheckStatus();
     resp.assertOK();