docker: add network container check

fails if network_mode container does not exist or is unhealthy. closes #172
saltyorg · Oct 21, 2023 · 4486acf · 4486acf
1 parent 568bc60
commit 4486acf
Show file tree

Hide file tree

Showing 2 changed files with 27 additions and 0 deletions.
diff --git a/resources/tasks/docker/create_docker_container.yml b/resources/tasks/docker/create_docker_container.yml
@@ -13,6 +13,10 @@
                   if (var_prefix is defined)
                   else role_name }}"
 
+- name: Resources | Tasks | Docker | Create Docker Container | Network Container Health Status
+  ansible.builtin.include_tasks: "{{ resources_tasks_path }}/docker/network_container_health_status.yml"
+  when: ('container:' in lookup('vars', _var_prefix + '_docker_network_mode', default=docker_networks_name_common))
+
 - name: Resources | Tasks | Docker | Create Docker Container | Create Docker Container # noqa args[module]
   community.docker.docker_container:
     auto_remove: "{{ lookup('vars', _var_prefix + '_docker_auto_remove', default=omit) }}"

diff --git a/resources/tasks/docker/network_container_health_status.yml b/resources/tasks/docker/network_container_health_status.yml
@@ -0,0 +1,23 @@
+############################################################################################
+# Title:         Saltbox: Resources | Tasks | Docker | Networked Container Health Status   #
+# Author(s):     salty                                                                     #
+# URL:           https://github.com/saltyorg/Saltbox                                       #
+# --                                                                                       #
+############################################################################################
+#                   GNU General Public License v3.0                                        #
+############################################################################################
+---
+- name: Resources | Tasks | Docker | Network Container Health Status | Check health of network linked container
+  community.docker.docker_container_info:
+    name: "{{ lookup('vars', _var_prefix + '_docker_network_mode', default=docker_networks_name_common).split(':')[1] }}"
+  register: docker_info
+
+- name: Resources | Tasks | Docker | Network Container Health Status | Fail if network linked container does not exist
+  ansible.builtin.fail:
+    msg: "{{ lookup('vars', _var_prefix + '_docker_container', default=_var_prefix) }} is configured to use {{ lookup('vars', _var_prefix + '_docker_network_mode', default=docker_networks_name_common).split(':')[1] }} for networking but it does not exist"
+  when: not docker_info.exists
+
+- name: Resources | Tasks | Docker | Network Container Health Status | Fail if network linked container is not healthy
+  ansible.builtin.fail:
+    msg: "{{ lookup('vars', _var_prefix + '_docker_container', default=_var_prefix) }} is configured to use {{ lookup('vars', _var_prefix + '_docker_network_mode', default=docker_networks_name_common).split(':')[1] }} for networking but it is not healthy"
+  when: ('State' not in docker_info.container or 'Health' not in docker_info.container.State or 'Status' not in docker_info.container.State.Health or docker_info.container.State.Health.Status != 'healthy')