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https://github.com/kevinveenbirkenbach/computer-playbook.git
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optimized draft
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parent
7fdeb677de
commit
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@ -3,11 +3,16 @@ import subprocess
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import sys
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import sys
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def run_command(command):
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def run_command(command):
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try:
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process = subprocess.Popen(command, shell=True, stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
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subprocess.check_output(command, shell=True, stderr=subprocess.STDOUT)
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except subprocess.CalledProcessError as e:
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# Iterate over the output lines
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print(e.output.decode())
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for line in iter(process.stdout.readline, b''):
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sys.exit(e.returncode)
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sys.stdout.write(line.decode())
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process.stdout.close()
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return_code = process.wait()
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if return_code:
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raise subprocess.CalledProcessError(return_code, command)
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def git_pull(directory):
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def git_pull(directory):
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os.chdir(directory)
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os.chdir(directory)
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@ -34,9 +39,17 @@ def update_docker(directory):
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os.chdir(directory)
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os.chdir(directory)
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before_digests = get_image_digests(directory)
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before_digests = get_image_digests(directory)
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print("Pulling docker images.")
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print("Pulling docker images.")
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run_command("docker-compose pull")
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after_digests = get_image_digests(directory)
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try:
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run_command("docker-compose pull")
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except subprocess.CalledProcessError as e:
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if "pull access denied" in e.output.decode() or "must be built from source" in e.output.decode():
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print("Need to build the image from source.")
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else:
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print("Failed to pull images with unexpected error.")
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raise
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after_digests = get_image_digests(directory)
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if before_digests != after_digests:
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if before_digests != after_digests:
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print("Changes detected in image digests. Rebuilding containers.")
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print("Changes detected in image digests. Rebuilding containers.")
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run_command("docker-compose up -d --build --force-recreate")
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run_command("docker-compose up -d --build --force-recreate")
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12
roles/update-docker/handlers/main.yml
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12
roles/update-docker/handlers/main.yml
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@ -0,0 +1,12 @@
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- name: "reload disc-space-check.service"
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systemd:
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name: disc-space-check.service
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state: reloaded
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enabled: yes
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daemon_reload: yes
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- name: "restart disc-space-check.timer"
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systemd:
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name: disc-space-check.timer
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state: restarted
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enabled: yes
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daemon_reload: yes
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9
roles/update-docker/tasks/main.yml
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9
roles/update-docker/tasks/main.yml
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@ -0,0 +1,9 @@
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- name: configure docker-volume-backup-cleanup.service
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template:
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src: docker-volume-backup-cleanup.service.j2
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dest: /etc/systemd/system/docker-volume-backup-cleanup.service
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- name: create {{update_docker_script}}
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copy:
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src: update-docker.py
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dest: "{{update_docker_script}}"
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7
roles/update-docker/templates/update-docker.service.j2
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7
roles/update-docker/templates/update-docker.service.j2
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@ -0,0 +1,7 @@
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[Unit]
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Description=Updates Docker Instances
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OnFailure=systemd-notifier@%n.service
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[Service]
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Type=oneshot
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ExecStart=/bin/sh -c '/usr/bin/python {{update_docker_script}} {{docker_volume_backup_cleanup_trigger_directory}}'
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1
roles/update-docker/vars/main.yml
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1
roles/update-docker/vars/main.yml
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@ -0,0 +1 @@
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update_docker_script: "{{path_administrator_scripts}}/update-docker.py"
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