Fix docker gc-conductor setup

Remove physical drives in docker containers to reduce disk space
utilization

Add re-indexing during Gerrit start

Change-Id: I27a2b46dd93ee9c1778877bf9d03cfcc2cd2f13e

src/test/docker/docker-compose.yaml

diff --git a/src/test/docker/docker-compose.yaml b/src/test/docker/docker-compose.yaml
index 5686ed9..cd4022e 100644
--- a/src/test/docker/docker-compose.yaml
+++ b/src/test/docker/docker-compose.yaml
@@ -13,8 +13,6 @@
     environment:
       - POSTGRES_USER=postgres
       - POSTGRES_PASSWORD=postgres
-    volumes:
-      - db:/var/lib/postgresql/data
 
   gerrit-gc:
     build: gerrit
@@ -27,9 +25,6 @@
       gerrit-net:
         ipv4_address: 172.23.0.3
     volumes:
-      - gitvolume:/var/gerrit/git
-      - etcvolume:/var/gerrit/etc
-      - logsvolume:/var/gerrit/logs
       - ./etc/gerrit.config:/var/gerrit/etc/gerrit.config.orig
       - ./etc/gc.config:/var/gerrit/etc/gc.config.orig
       - ./etc/log4j2.xml:/var/gerrit/etc/log4j2.xml.orig
@@ -44,8 +39,3 @@
     ipam:
       config:
         - subnet: 172.23.0.0/28
-volumes:
-  gitvolume:
-  etcvolume:
-  logsvolume:
-  db:

src/test/docker/gerrit/start_gerrit.sh

diff --git a/src/test/docker/gerrit/start_gerrit.sh b/src/test/docker/gerrit/start_gerrit.sh
index 28ff843..ba2ed5e 100755
--- a/src/test/docker/gerrit/start_gerrit.sh
+++ b/src/test/docker/gerrit/start_gerrit.sh
@@ -4,8 +4,14 @@
 cp /var/gerrit/etc/gc.config.orig /var/gerrit/etc/gc.config
 cp /var/gerrit/etc/log4j2.xml.orig /var/gerrit/etc/log4j2.xml
 
-echo "Initializing Gerrit site ..."
-java -jar /var/gerrit/bin/gerrit.war init -d /var/gerrit --batch
+if [[ ! -f /var/gerrit/etc/ssh_host_ed25519_key ]]
+then
+  echo "Initializing Gerrit site ..."
+  java -jar /var/gerrit/bin/gerrit.war init -d /var/gerrit --batch
+fi
+
+echo "Reindexing Gerrit ..."
+java -jar /var/gerrit/bin/gerrit.war reindex -d /var/gerrit
 
 touch /var/gerrit/logs/{gc_log,error_log,httpd_log,sshd_log,replication_log} && tail -f /var/gerrit/logs/* | grep --line-buffered -v 'HEAD /' &