add timescale and postgrest

defaults/main.yml

@@ -1,10 +1,7 @@
 ---
 # defaults file for postgres
 postgres_repo: "https://download.postgresql.org/pub/repos/yum/reporpms/EL-8-x86_64/pgdg-redhat-repo-latest.noarch.rpm"
-postgres_version: 13
+postgres_version: 14
-postgis_install: true
-postgis_version: 31
-postgis_version_pakage_name: postgis{{postgis_version}}_{{postgres_version}}
 pg_config_listen_addresses: localhost
 pg_config_port: 5432
 pg_config_max_connections: 1024
@@ -36,6 +33,7 @@ pg_config_shared_preload_libraries: []
 additional_extension:
   # - postgis
   - timescale
+  - PostgREST
 pg_hba_user_options:
   - contype: host
     users: all
@@ -57,3 +55,15 @@ pg_hba_user_options:
     source: 192.169.100.1/24
     databases: all
     method: md5
+
+# keepd as described in ufficial doc example:
+# https://postgrest.org/en/stable/tutorials/tut0.html
+postgrest_version: latest
+postgrest_db_uri: "postgres://authenticator:mysecretpassword@localhost:5432/postgres"
+postgrest_db_schemas: "api"
+postgrest_db_anon_role: "web_anon"
+# postgis
+postgis_version_pakage_name: postgis{{postgis_version}}_{{postgres_version}}
+postgis_install: true
+postgis_version: 31
+# Postgres configuration

handlers/main.yml

@@ -15,3 +15,18 @@
   ansible.builtin.systemd:
     state: reloaded
     name: "postgresql-{{postgres_version}}"
+
+- name: reloaded postgrest
+  ansible.builtin.systemd:
+    state: reloaded
+    name: "postgrest"
+
+- name: started postgrest
+  ansible.builtin.systemd:
+    state: started
+    name: "postgrest"
+
+- name: restarted postgrest
+  ansible.builtin.systemd:
+    state: restarted
+    name: "postgrest"

molecule/default/molecule.yml

@@ -4,9 +4,11 @@ driver:
   name: libvirt
 platforms:
   - name: instance-1
-    image_url: "http://remoteshare.4sigma.top/Rocky8.4-try-srinked.qcow2"
+    # image_url: "http://127.0.0.1:8000/Rocky-8-GenericCloud-8.6-20220515.x86_64.qcow2"
-    disk_size: "10G"
+    image_url: "http://127.0.0.1:8000/Rocky-8-GenericCloud-8.5-20211114.2.x86_64.qcow2"
-    memory_size: "1" # in GB
+    disk_size: "15G"
+    default_vcpu: 2
+    memory_size: "1"
 provisioner:
   name: ansible
 verifier:

molecule/default/prepare.yml

@@ -8,6 +8,10 @@
       delay: 15
       timeout: 60
 
+  - name: set timezone to Europe/Rome
+    timezone:
+      name: Europe/Rome
+
 - name: prepare
   hosts: all
   become: true
@@ -19,6 +23,10 @@
         - python3-pip
         - python3-devel
         - gcc
+        - net-tools
+        - vim
+        - iotop
+        - bash-completion
 
   - name: prepare | create ansible requirements
     ansible.builtin.file:

molecule/default/verify.yml

@@ -8,7 +8,7 @@
   tasks:
   - name: Verify | check postgres is running
     ansible.builtin.systemd:
-      name: postgresql-13.service
+      name: postgresql-{{  }}.service
       state: started
 
   - name: create sql testing file

tasks/extension/PostgREST.yaml

@@ -0,0 +1,103 @@
+- name: postgres | tasks | extension | PostgREST | create userand group | create group for postgrest
+  ansible.builtin.group:
+    name: postgrest
+    state: present
+    system: yes
+
+- name: postgres | tasks | extension | PostgREST | create userand group | create user for postgrest
+  ansible.builtin.user:
+    name: postgrest
+    group: postgrest
+    createhome: no
+    system: yes
+    state: present
+
+- name: postgres | tasks | extension | PostgREST | get tags | show version selected
+  debug:
+    var: postgrest_version
+
+- name: postgres | tasks | extension | PostgREST | install get latest version
+  block:
+    - name: postgres | tasks | extension | PostgREST | get tags | get latest restic tags from github API
+      uri:
+        url: https://api.github.com/repos/PostgREST/postgrest/releases/latest
+        method: GET
+        status_code: 200
+      register: github_json_response
+
+    - name: postgres | tasks | extension | PostgREST | get tags | parsing github api response and set PostgREST version
+      set_fact:
+        postgrest_version: "{{ github_json_response.json.tag_name }}"
+
+  when: postgrest_version == 'latest'
+
+- name: postgres | tasks | extension | PostgREST | get tags | show version selected
+  debug:
+    var: postgrest_version
+
+- name: postgres | tasks | extension | PostgREST | create directory tree | PostgREST/
+  ansible.builtin.file:
+    path: /opt/PostgREST/
+    state: directory
+    mode: '0755'
+
+- name: postgres | tasks | extension | PostgREST | create directory tree | tar_archive
+  ansible.builtin.file:
+    path: /opt/PostgREST/tar_archive
+    state: directory
+    mode: '0755'
+
+- name: postgres | tasks | extension | PostgREST | create directory tree | "postgrest-{{postgrest_version}}"
+  ansible.builtin.file:
+    path: /opt/PostgREST/postgrest-{{postgrest_version}}/
+    state: directory
+    mode: '0755'
+
+- name: postgres | tasks | extension | PostgREST | create directory tree | create /etc/postgrest/ configuration directory
+  ansible.builtin.file:
+    path: /etc/postgrest/
+    state: directory
+    mode: '0755'
+
+- name: postgres | tasks | extension | PostgREST | check if "postgrest-{{postgrest_version}}-linux-static-x64.tar.xz exist"
+  stat:
+    path: /opt/PostgREST/postgrest-{{postgrest_version}}-linux-static-x64.tar.xz
+  register: postgrest_archive_exist
+
+- name: postgres | tasks | extension | PostgREST | Download binary "postgrest-{{postgrest_version}}-linux-static-x64.tar.xz"
+  get_url:
+    url: https://github.com/PostgREST/postgrest/releases/download/{{ postgrest_version }}/postgrest-{{postgrest_version}}-linux-static-x64.tar.xz
+    dest: /opt/PostgREST/postgrest-{{postgrest_version}}-linux-static-x64.tar.xz
+  when: not postgrest_archive_exist.stat.exists
+
+- name: postgres | tasks | extension | PostgREST | Unarchive "postgrest-{{postgrest_version}}-linux-static-x64.tar.xz"
+  ansible.builtin.unarchive:
+    src: /opt/PostgREST/postgrest-{{postgrest_version}}-linux-static-x64.tar.xz
+    dest: /opt/PostgREST/postgrest-{{postgrest_version}}/
+    remote_src: yes
+
+- name: postgres | tasks | extension | PostgREST | create directory tree | create symlink to latest version
+  ansible.builtin.file:
+    src: /opt/PostgREST/postgrest-{{postgrest_version}}/postgrest
+    dest: /opt/PostgREST/postgrest_current
+    state: link
+    mode: '0755'
+  notify:
+    - restarted postgrest
+
+- name: postgres | tasks | extension | PostgREST | create systemd service
+  ansible.builtin.template:
+    dest: /etc/systemd/system/postgrest.service
+    src: installation/postgrest.service.j2
+  notify:
+    - reloaded postgrest
+
+- name: postgres | tasks | extension | PostgREST | create PostgREST configuration file
+  ansible.builtin.template:
+    src: installation/postgrest.conf.j2
+    dest: /etc/postgrest/postgrest.conf
+    mode: '0644'
+    owner: postgres
+    group: postgres
+  notify:
+    - restarted postgrest

tasks/extension/pg_graphql.yaml

@@ -0,0 +1,51 @@
+- name: postgres | tasks | extension| pg_graphql | install requirements
+  dnf:
+    name:
+      - '@Development tools'
+      - git
+      - python2
+      - cmake
+      - postgresql{{ postgres_version }}-devel.x86_64
+    state: present
+
+- name: postgres | tasks | extension| pg_graphql | install graphql/libgraphqlparser | clone code from github
+  ansible.builtin.git:
+    repo: https://github.com/graphql/libgraphqlparser.git
+    dest: /opt/libgraphqlparser
+
+- name: postgres | tasks | extension| pg_graphql | install graphql/libgraphqlparser | cmake
+  ansible.builtin.command: cmake -DCMAKE_INSTALL_PREFIX:PATH=/usr .
+  args:
+    chdir: /opt/libgraphqlparser/
+    creates: /opt/libgraphqlparser/libgraphqlparser.so
+
+- name: postgres | tasks | extension| pg_graphql | install graphql/libgraphqlparser | make
+  ansible.builtin.command: make
+  args:
+    chdir: /opt/libgraphqlparser/
+    creates: /opt/libgraphqlparser/libgraphqlparser.so
+
+- name: postgres | tasks | extension| pg_graphql | install graphql/libgraphqlparser | make install
+  ansible.builtin.command: make install
+  args:
+    chdir: /opt/libgraphqlparser/
+    creates: /usr/local/lib/libgraphqlparser.so
+
+- name: postgres | tasks | extension| pg_graphql | install graphql/pg_graphql | clone code from github
+  ansible.builtin.git:
+    repo: https://github.com/supabase/pg_graphql.git
+    dest: /opt/pg_graphql
+
+- name: postgres | tasks | extension| pg_graphql | install graphql/pg_graphql | make
+  ansible.builtin.command: make install
+  environment:
+    PATH: "/usr/pgsql-{{postgres_version}}/bin/:{{ ansible_env.PATH }}"
+  args:
+    chdir: /opt/pg_graphql
+    creates: /opt/pg_graphql/pg_graphql.so
+
+- name: "postgres | tasks | extension| pg_graphql | install graphql/pg_graphql | create link to /usr/pgsql-{{ postgres_version }}/lib/libgraphqlparser.so"
+  ansible.builtin.file:
+    src: /usr/lib/libgraphqlparser.so
+    dest: "/usr/pgsql-{{ postgres_version }}/lib/libgraphqlparser.so"
+    state: link

tasks/extension/timescale.yaml

@@ -1,10 +1,10 @@
 
-- name: postgres | install | extension | timescale | add timescale repo
+- name: postgres | tasks | extension| timescale | install | add timescale repo
   ansible.builtin.template:
     src: installation/timescale.repo.j2
     dest: /etc/yum.repos.d/timescale_timescaledb.repo
 
-- name: postgres | install | install postgresql
+- name: postgres | tasks | extension| timescale | install | install timescaledb extension
   dnf:
     name:
       - timescaledb-2-postgresql-{{postgres_version}}

templates/installation/postgrest.conf.j2

@@ -0,0 +1,3 @@
+db-uri = "{{postgrest_db_uri}}"
+db-schemas = "{{ postgrest_db_schemas }}"
+db-anon-role = "{{ postgrest_db_anon_role }}"

templates/installation/postgrest.service.j2

@@ -0,0 +1,12 @@
+[Unit]
+Description=REST API for any PostgreSQL database
+After=postgresql.service
+
+[Service]
+User=postgrest
+Group=postgrest
+ExecStart=/opt/PostgREST/postgrest_current /etc/postgrest/postgrest.conf
+ExecReload=/bin/kill -SIGUSR1 $MAINPID
+
+[Install]
+WantedBy=multi-user.target