Feat introduce ENBLE_NODE_EXPORTER pipeline flag

Closes #218 (closed)

Using flag ENBLE_NODE_EXPORTER to:

• enable security group
• enable ansible role

.gitlab-ci.yml

@@ -199,6 +199,9 @@ deploy_http_proxy_node:
       [$ENV]
       127.0.0.1
       EEOF
+      if [ ${ENABLE_NODE_EXPORTER:-false} = true ]; then
+        sed -i -E "s|(enable_node_exporter: ).*|\1true|" ansible/group_vars/all
+      fi
       ansible-playbook -c local -i ansible/hosts --extra-vars="$EXTRA_VARS" ansible/cluster.yml | tee -a /tmp/ansible.log
       rm -rf /tmp/${CI_PROJECT_NAME}
       EOF
@@ -253,6 +256,9 @@ deploy_ssh_proxy_node:
       [$ENV]
       127.0.0.1
       EEOF
+      if [ ${ENABLE_NODE_EXPORTER:-false} = true ]; then
+        sed -i -E "s|(enable_node_exporter: ).*|\1true|" ansible/group_vars/all
+      fi
       ansible-playbook -c local -i ansible/hosts --extra-vars="$EXTRA_VARS" ansible/cluster.yml | tee -a /tmp/ansible.log
       rm -rf /tmp/${CI_PROJECT_NAME}
       EOF
@@ -306,6 +312,9 @@ deploy_login_node:
       [$ENV]
       127.0.0.1
       EEOF
+      if [ ${ENABLE_NODE_EXPORTER:-false} = true ]; then
+        sed -i -E "s|(enable_node_exporter: ).*|\1true|" ansible/group_vars/all
+      fi
       s3cmd get --force -r --access_key=$AWS_ACCESS_KEY_ID --secret_key=$AWS_SECRET_ACCESS_KEY --host=$AWS_HOST --host-bucket=$AWS_HOST s3://cheaha-cloud-ansible-files/ /tmp/${CI_PROJECT_NAME}/ansible/files/ 
       ansible-playbook -c local -i ansible/hosts --extra-vars="$EXTRA_VARS" ansible/cluster.yml | tee -a /tmp/ansible.log
       rm -rf /tmp/${CI_PROJECT_NAME}