Deploy TimescaleDB on staging datanommer DB

Signed-off-by: Aurélien Bompard <aurelien@bompard.org>

roles/postgresql_server/tasks/datanommer.yml

@@ -0,0 +1,51 @@
+# Use a custom module until TimescaleDB is available in EPEL
+# https://bugzilla.redhat.com/show_bug.cgi?id=1987790
+- name: Install the timescaledb repo
+  copy:
+    dest: /etc/yum.repos.d/timescaledb.repo
+    content: |
+      [timescaledb]
+      name = Copr modules repo for timescaledb
+      baseurl = https://download.copr.fedorainfracloud.org/results/abompard/timescaledb/modules/epel-8-$basearch+timescaledb-master-20210730083523/latest/$basearch
+      gpgcheck=0
+      gpgkey=https://download.copr.fedorainfracloud.org/results/abompard/timescaledb/pubkey.gpg
+      repo_gpgcheck=0
+      enabled = 1
+  tags:
+  - postgresql
+  - timescaledb
+  when: ansible_distribution_major_version|int >= 8 and ansible_distribution == 'RedHat'
+#
+- name: Install the timescaledb module
+  copy:
+    dest: /etc/dnf/modules.d/timescaledb.module
+    content: |
+      [timescaledb]
+      name=timescaledb
+      stream=master
+      profiles=
+      state=enabled
+  tags:
+  - postgresql
+  - timescaledb
+  when: ansible_distribution_major_version|int >= 8 and ansible_distribution == 'RedHat'
+
+- name: Install timescaledb
+  dnf:
+    name:
+      - timescaledb
+    state: present
+  tags:
+  - postgresql
+  - timescaledb
+
+- name: Add timescaledb to postgresql config
+  lineinfile:
+    path: /var/lib/pgsql/data/postgresql.conf
+    regexp: ^shared_preload_libraries =
+    line: "shared_preload_libraries = 'timescaledb'"
+  notify:
+  - restart postgresql
+  tags:
+  - postgresql
+  - timescaledb

roles/postgresql_server/tasks/main.yml

@@ -209,3 +209,6 @@
   - postgresql
   - SAR
   - GBDR
+
+- include_tasks: datanommer.yml
+  when: inventory_hostname.startswith('db-datanommer01') and env == "staging"