consolidated into 1 main.yml

Author: tonykay

main.yml

@@ -107,49 +107,108 @@
         name: "{{ postgres_service }}"
         state: restarted
 
-
-- name: Deploy Application Tier
+- name: Deploy, configure, and populate flask repo and virtualenv
   hosts: app_servers
-  gather_facts: false
   become: true
-  vars:
-    postgres_rhel7_repo: "https://download.postgresql.org/pub/repos/yum/10/redhat/rhel-7-x86_64/pgdg-redhat-repo-latest.noarch.rpm"
-    app_server_packages:
-      - python-psycopg2
-    app_server_port: 8080    
-    app_server_service: tomcat
-
+  gather_facts: false
   tags:
-    - app_servers
+    - application_servers
+  vars:
+    flask_app_name: resource_hub
+    flask_user: flask
+    flask_home: /opt/
+    flask_repo: https://github.com/tonykay/resource_hub.git  
+    flask_scm_ref: main  
+    flask_app_lauch_script: /usr/local/bin/launch_resource_hub   
+    virtualenv_name: "venv-{{ flask_app_name }}"  
+    virtualenv_home: /opt/virtual_envs
+    virtualenv_python: /usr/bin/python3
+      
+
+    app_yum_packages:
+      - autoconf
+      - automake
+      - git
+      - gcc
+      - libtool
+      - python3
+      - python3-devel
+      - python3-pip
+
+    pip_dependencies:
+      - virtualenv
+      - pip  
+      - psycopg2-binary
 
   tasks:
 
-    - name: Install Tomcat package(s)
+    - name: Create flask user
+      user:
+        name: "{{ flask_user }}"
+        state: present  
+
+    - name: Install flask packages
       package:
-        name: "{{ app_server_packages }}"
+        name: "{{ __package }}"
         state: present
+      loop: "{{ app_yum_packages }}"        
+      loop_control:
+        loop_var: __package
 
-    - name: Enable Tomcat at boot
-      service:
-        name: tomcat
-        enabled: yes
+    - name: "Install flask repo {{ flask_repo }}"
+      git:
+        repo: "{{ flask_repo }}"
+        dest: "{{ flask_home }}/{{ flask_app_name }}"
+        update: yes 
+        force: yes
+      tags:
+        - git
 
-    - name: Create Tomcat content directory
-      file:
-        path: /usr/share/tomcat/webapps/ROOT
-        state: directory
+    - name: "Change flash repo owner to {{ flask_user }} recursively"      
+      file: 
+        dest: "{{ flask_home }}/{{ flask_app_name }}"
+        owner: "{{ flask_user }}"
 
-    - name: Copy static index.html to tomcat webapps/ansible/index.html
-      template:
-        src: index.html.j2
-        dest: /usr/share/tomcat/webapps/ROOT/index.html
-        mode: 0644
+    - name: virtualenv setup
+      block:
 
-    - name: Start Tomcat
-      service:
-        name: "{{ app_server_service }}"
-        state: started
+        - name: Setup pre-requisite pip3 packages
+          pip:
+            name: "{{ pip_dependencies }}"
+            state: latest
+            executable: /usr/bin/pip3
+
+        - name: "Create virtualenv {{ virtualenv_name }} for Flask"
+          pip:
+            requirements: "{{ flask_home }}/{{ flask_app_name }}/requirements.txt"
+            virtualenv: "{{ virtualenv_home }}/{{ flask_app_name }}"
+            virtualenv_site_packages: no
+            virtualenv_command: /usr/local/bin/virtualenv
+      tags:
+        - venv
+        - virtualenv  
+          
+    - name: Initialize flask app database resources
+      command: "{{ virtualenv_home }}/{{ flask_app_name }}/bin/python3 {{ flask_home }}/{{ flask_app_name }}/config.py"
+      run_once: true
 
+    - name: "Generate {{ flask_app_name }} startup script"    
+      template:
+        src: launch_resource_hub.j2
+        dest: /usr/local/bin/launch_resource_hub   
+        mode: '0555'
+
+    - name: template systemd service config
+      template:
+        src: flask_service.j2
+        dest: /etc/systemd/system/{{ flask_app_name }}.service
+        mode: '0755'
+
+    - name: start systemd app service
+      systemd: 
+        name: "{{ flask_app_name }}.service"
+        state: restarted 
+        enabled: yes
 
 - name: Deploy haproxy load balancer
   hosts: load_balancers
@@ -189,49 +248,49 @@
         name: haproxy
         state: restarted
 
-- name: End to end smoke tests
-  hosts: app_servers:database_servers
-  gather_facts: true
-  become: true
-  tags:
-    - smoketest  
-
-  tasks:
-
-    - debug:
-        msg: 
-          - "IP is {{ hostvars['appdb1']['ansible_default_ipv4']['address'] }}"
-          - "First App server  {{ groups.app_servers[0] }}" 
-        verbosity: 2        
-
-    - name: Smoketest Postgres database
-      postgresql_ping:
-        db: flask_db
-        login_host: "{{ hostvars['appdb1']['ansible_default_ipv4']['address'] }}"
-        login_user: flask
-        login_password: redhat
-        ssl_mode: disable
-      delegate_to: "{{ groups.app_servers[0] }}"
-      run_once: true
-      tags:
-        - smoketest
-
-- name: End to end smoke tests
-  hosts: app_servers
-  become: false
-  gather_facts: false
-  tags:
-    - smoketest  
-  tasks:
- 
-    - name: Check webserver for correct response
-      uri:
-        url: "http://frontend1.{{ GUID }}.example.opentlc.com"
-        return_content: yes
-      until: '"Welcome to Tomcat" in result.content'
-      retries: 10
-      delay: 1
-      register: result
-      delegate_to: localhost
-
-...
+#- name: End to end smoke tests
+#  hosts: app_servers:database_servers
+#  gather_facts: true
+#  become: true
+#  tags:
+#    - smoketest  
+#
+#  tasks:
+#
+#    - debug:
+#        msg: 
+#          - "IP is {{ hostvars['appdb1']['ansible_default_ipv4']['address'] }}"
+#          - "First App server  {{ groups.app_servers[0] }}" 
+#        verbosity: 2        
+#
+#    - name: Smoketest Postgres database
+#      postgresql_ping:
+#        db: flask_db
+#        login_host: "{{ hostvars['appdb1']['ansible_default_ipv4']['address'] }}"
+#        login_user: flask
+#        login_password: redhat
+#        ssl_mode: disable
+#      delegate_to: "{{ groups.app_servers[0] }}"
+#      run_once: true
+#      tags:
+#        - smoketest
+#
+#- name: End to end smoke tests
+#  hosts: app_servers
+#  become: false
+#  gather_facts: false
+#  tags:
+#    - smoketest  
+#  tasks:
+# 
+#    - name: Check webserver for correct response
+#      uri:
+#        url: "http://frontend1.{{ GUID }}.example.opentlc.com"
+#        return_content: yes
+#      until: '"Welcome to Tomcat" in result.content'
+#      retries: 10
+#      delay: 1
+#      register: result
+#      delegate_to: localhost
+#
+#...