Added programm to restart unhealthy docker compose containers

roles/native-docker-compose-restart-unhealthy/README.md

@@ -0,0 +1,2 @@
+# native-docker-compose-restart-unhealthy
+docker-compose restart for containers which are unhealty or excited

roles/native-docker-compose-restart-unhealthy/files/docker-compose-restart-unhealthy.timer

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+[Unit]
+Description=starts docker-compose-restart-unhealthy.service
+
+[Timer]
+OnBootSec=1min
+OnUnitActiveSec=1h
+
+[Install]
+WantedBy=timers.target

roles/native-docker-compose-restart-unhealthy/handlers/main.yml

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+- name: "restart docker-compose-restart-unhealthy.service"
+  systemd:
+    name: docker-compose-restart-unhealthy.service
+    state: restarted
+    enabled: yes
+    daemon_reload: yes
+- name: "restart docker-compose-restart-unhealthy.timer"
+  systemd:
+    name: docker-compose-restart-unhealthy.timer
+    state: restarted
+    enabled: yes
+    daemon_reload: yes

roles/native-docker-compose-restart-unhealthy/tasks/main.yml

@@ -0,0 +1,19 @@
+- name: "create {{docker_docker_compose_restart_unhealthy}}"
+  file:
+    path: "{{docker_docker_compose_restart_unhealthy}}"
+    state: directory
+    mode: 0755
+
+- name: create docker-compose-restart-unhealthy.py
+  template: src=docker-compose-restart-unhealthy.py.j2 dest={{docker_docker_compose_restart_unhealthy}}docker-compose-restart-unhealthy.py
+  notify: restart docker-compose-restart-unhealthy.service
+
+- name: create docker-compose-restart-unhealthy.service
+  template: src=docker-health-check.service.j2 dest=/etc/systemd/system/docker-compose-restart-unhealthy.service
+  notify: restart docker-compose-restart-unhealthy.service
+
+- name: create docker-compose-restart-unhealthy.timer
+  copy:
+    src: docker-compose-restart-unhealthy.timer
+    dest: "/etc/systemd/system/docker-compose-restart-unhealthy.timer"
+  notify: restart docker-compose-restart-unhealthy.timer

roles/native-docker-compose-restart-unhealthy/templates/docker-compose-restart-unhealthy.py.j2

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+#!/bin/python
+#
+# restart docker-compose configurations who have exited or unhealthy containers
+#
+import subprocess
+import time
+
+def bash(command):
+    print(command)
+    process = subprocess.Popen([command], stdout=subprocess.PIPE, stderr=subprocess.PIPE, shell=True)
+    out, err = process.communicate()
+    stdout = out.splitlines()
+    output = []
+    for line in stdout:
+        output.append(line.decode("utf-8"))
+    if process.wait() > bool(0):
+        print(command, out, err)
+        raise Exception("Exitcode is greater then 0")
+    return output
+
+def list_to_string(list):
+    return str(' '.join(list))
+
+def print_bash(command):
+    output = bash(command)
+    print(list_to_string(output))
+    return output
+
+waiting_time=1800
+backup_running=True
+while backup_running:
+    print("stop program for " + str(waiting_time) + "seconds.")
+    time.sleep(waiting_time)
+    try: 
+        bash("systemctl is-active --quiet docker-volume-backup.service")
+        print("backup is running.")
+    except:
+        backup_running=False
+        print("no backup is running.")
+
+unhealthy_container_names=print_bash('docker ps --filter health=unhealthy --format \'{{.Names}}\'')
+exited_container_names=print_bash('docker ps --filter status=exited --format \'{{.Names}}\'')
+failed_containers=unhealthy_container_names + exited_container_names
+
+unfiltered_failed_docker_compose_repositories=[]
+for failed_container in failed_containers:
+    unfiltered_failed_docker_compose_repositories.append(failed_container.split('-')[0])
+
+filtered_failed_docker_compose_repositories=list(dict.fromkeys(unfiltered_failed_docker_compose_repositories))
+for filtered_failed_docker_compose_repository in filtered_failed_docker_compose_repositories:
+    print("restarting unhealthy container: " + filtered_failed_docker_compose_repository)
+    print_bash('cd /home/administrator/docker-compose/' + filtered_failed_docker_compose_repository + '/ && docker-compose restart')
+
+print("finished restart procedure.")

roles/native-docker-compose-restart-unhealthy/templates/docker-compose-restart-unhealthy.service.j2

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+[Unit]
+Description=restart unhealthy docker containers
+OnFailure=systemd-email@%n.service
+
+[Service]
+Type=oneshot
+ExecStart=/bin/bash {{docker_docker_compose_restart_unhealthy}}docker-compose-restart-unhealthy.py

roles/native-docker-compose-restart-unhealthy/vars/main.yml

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+docker_docker_compose_restart_unhealthy: "/home/administrator/scripts/docker-compose-restart-unhealthy/"

roles/native-docker/meta/main.yml

@@ -2,3 +2,4 @@ dependencies:
   - native-docker-volume-backup
   - native-user-administrator
   - native-docker-health-check
+  - native-docker-compose-restart-unhealthy