config: add admin.sh wrapper script

Signed-off-by: Jakub Sokołowski <jakub@status.im>

tasks/config.yml

@@ -23,10 +23,14 @@
   with_fileglob:
     - 'templates/init/*.sql'
 
-- name: 'Create compose file'
+- name: Install PostgreSQL client
+  apt:
+    name: 'postgresql-client'
+
+- name: Create Admin wrapper script
   template:
-    src:   'docker-compose.yml.j2'
-    dest:  '{{ postgres_ha_compose_file }}'
-    owner: 'dockremap'
+    src:   'scripts/admin.sh.j2'
+    dest:  '{{ postgres_ha_service_path }}/admin.sh'
+    owner: 'root'
     group: 'docker'
-    mode:  0644
+    mode:  0750

tasks/start.yml

@@ -1,4 +1,12 @@
 ---
+- name: 'Create compose file'
+  template:
+    src:   'docker-compose.yml.j2'
+    dest:  '{{ postgres_ha_compose_file }}'
+    owner: 'dockremap'
+    group: 'docker'
+    mode:  0644
+
 - name: 'Create database container'
   docker_compose:
     project_src: '{{ postgres_ha_service_path }}'

templates/scripts/admin.sh.j2

@@ -0,0 +1,10 @@
+#!/usr/bin/env bash
+# vim: set ft=sh:
+set -Eeo pipefail
+export PGPASSWORD='{{ postgres_ha_admin_pass }}'
+exec psql \
+    --host='127.0.0.1' \
+    --port='{{ postgres_ha_cont_port }}' \
+    --username='{{ postgres_ha_admin_user }}' \
+    --dbname='{{ postgres_ha_db_name }}' \
+    ${@}