Initial Commit

setup.sh

@@ -0,0 +1,85 @@
+#!/bin/bash
+#####################################################
+# A script to setup bucardo replication environment #
+#####################################################
+
+set -e
+
+if ${DEBUG:=false}; then set -x; fi
+
+PROJECT_NAME="odoobucardoreplication"
+DATABASE_OWNER="odoo"
+DATABASE="odoo_test"
+REPLICA_USER="replica"
+REPLICA_PASSWORD="replica"
+BUCARDO_USER="bucardo"
+BUCARDO_PASSWORD="bucardo"
+BRANCHES="branch1 branch2"
+
+# build any changes in the docker images
+if ${BUILD:=false}; then
+    docker-compose build
+fi
+
+# destroy the current deployed stack
+if ${DESTROY:=false}; then
+    docker-compose down -v --remove-orphans
+fi
+
+# create and start the new stack
+docker-compose up -d
+sleep 10
+
+# copy configurations to the main master server
+docker cp postgresql.conf \
+    ${PROJECT_NAME}_master_db_1:/var/lib/postgresql/data/
+docker cp pg_hba.conf \
+    ${PROJECT_NAME}_master_db_1:/var/lib/postgresql/data/
+docker-compose exec --user=postgres master_db mkdir -p \
+    /var/lib/postgresql/data/archive
+# reload configurations
+docker-compose restart master_db
+# add replica and bucardo users
+docker-compose exec --user=postgres master_db psql -c \
+    "CREATE ROLE $REPLICA_USER WITH REPLICATION LOGIN ENCRYPTED PASSWORD \
+     '$REPLICA_PASSWORD'; \
+     CREATE ROLE $BUCARDO_USER WITH SUPERUSER LOGIN ENCRYPTED PASSWORD \
+     '$BUCARDO_PASSWORD'"
+# install odoo database with point of sale module
+docker-compose exec --user=postgres master_db psql -c \
+    "CREATE DATABASE $DATABASE WITH OWNER $DATABASE_OWNER;"
+docker-compose run master_odoo -- -d $DATABASE -i point_of_sale --no-xmlrpc \
+    --stop-after-init
+# add database, its tables, and its sequences to bucardo
+docker-compose exec master_bucardo bucardo add db master_db dbname=$DATABASE \
+    host=master_db user=$BUCARDO_PASSWORD password=$BUCARDO_PASSWORD
+docker-compose exec master_bucardo bucardo add all tables master_db \
+    --herd=odoo
+docker-compose exec master_bucardo bucardo add all sequences master_db \
+    --herd=odoo
+
+for REP in $BRANCHES
+do
+    # copy a postgres PITR backup to branch database
+    docker-compose stop ${REP}_db
+    docker-compose run --rm --entrypoint='/bin/bash -c' --user=postgres \
+        ${REP}_db "rm -rf /var/lib/postgresql/data/*; \
+                   PGPASSWORD=$REPLICA_PASSWORD pg_basebackup -h master_db -U \
+                   $REPLICA_USER -D /var/lib/postgresql/data -P --xlog"
+    # start the container again after copying the backup
+    docker-compose start ${REP}_db
+    sleep 10
+    # add the slave database to bucardo
+    docker-compose exec master_bucardo bucardo add db ${REP}_db \
+        dbname=$DATABASE host=${REP}_db user=$BUCARDO_PASSWORD \
+        password=$BUCARDO_PASSWORD
+done
+
+# add all branch databases in the sync
+docker-compose exec master_bucardo bucardo add sync odoo relgroup=odoo \
+    dbs=master_db:source,branch1_db:source,branch2_db:source
+
+# show bucardo status
+docker-compose exec master_bucardo bucardo status
+docker-compose exec master_bucardo bucardo list dbs
+docker-compose exec master_bucardo bucardo list syncs