wip

Dockerfile

@@ -24,7 +24,8 @@ RUN apt-get update && \
     chmod g-w,o-w /var/lib/postgresql
 
 COPY --chmod=600 --chown=postgres:postgres authorized_keys id_ed25519 /var/lib/postgresql/.ssh/
-COPY --chmod=600 --chown=postgres:postgres pgpool.conf pool_hba.conf pool_passwd /etc/pgpool2/
+# COPY --chmod=600 --chown=postgres:postgres pgpool.conf pool_hba.conf pool_passwd /etc/pgpool2/
+COPY --chmod=600 --chown=postgres:postgres pgpool.conf /etc/pgpool2/
 COPY --chmod=755 entrypoint.sh /usr/local/bin/
 
 ENTRYPOINT ["entrypoint.sh"]

conf.yaml

@@ -0,0 +1,10 @@
+backend_hostname0 = 'postgres1'
+backend_port0 = 5432
+backend_weight0 = 1
+backend_data_directory0 = '/var/lib/postgresql/data'
+backend_flag0 = 'ALLOW_TO_FAILOVER'
+backend_hostname1 = 'postgres2'
+backend_port1 = 5432
+backend_weight1 = 1
+backend_data_directory1 = '/var/lib/postgresql/data'
+backend_flag1 = 'ALLOW_TO_FAILOVER'

entrypoint.sh

@@ -4,6 +4,30 @@ set -Eeo pipefail
 
 sudo service ssh start
 
+{
+  printf "listen_addresses = '*'\n"
+  printf "port = 5432\n"
+  printf "unix_socket_directories = '/run'\n"
+  printf "pcp_socket_dir = '/run'\n"
+  printf "enable_pool_hba = off\n"
+  printf "allow_clear_text_frontend_auth = on\n"
+  printf "process_management_mode = 'dynamic'\n"
+  printf "backend_clustering_mode = 'raw'\n"
+  printf "health_check_timeout = 5\n"
+  printf "health_check_period = 5\n"
+  printf "health_check_user = 'pgpool'\n"
+  printf "health_check_password = '%s'\n" "$PGPOOL_PASSWORD"
+
+  IFS=':'
+  n=0
+  for backend in $PGPOOL_BACKEND
+  do
+    printf "backend_hostname%d = '%s'\n" $n $backend
+    printf "backend_port%d = 5432\n" $n
+  n=n + 1
+  done
+} >> /etc/pgpool2/pgpool.conf
+
 sudo service pgpool2 start
 
 while true

pgpool.conf

@@ -1,3 +1,16 @@
+listen_addresses = '*'
+port = 5432
+unix_socket_directories = '/run'
+pcp_socket_dir = '/run'
+enable_pool_hba = off
+allow_clear_text_frontend_auth = on
+process_management_mode = 'dynamic'
+backend_clustering_mode = 'raw'
+health_check_timeout = 5
+health_check_period = 5
+health_check_user = 'pgpool'
+health_check_password = .....
+
 backend_clustering_mode = 'streaming_replication'
 listen_addresses = '*'
 port = 5432
@@ -11,7 +24,7 @@ backend_port1 = 5432
 backend_weight1 = 1
 backend_data_directory1 = '/var/lib/postgresql/data'
 backend_flag1 = 'ALLOW_TO_FAILOVER'
-enable_pool_hba = on
+
 logdir = '/var/log/postgresql'
 sr_check_user = 'pgpool'
 sr_check_password = 'secret'