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---
# This playbook attempts to cleanup unwanted docker files to help alleviate docker disk space issues.
#
# To run:
#
# 1. run the playbook:
#
# ansible-playbook -e 'cli_tag_name=<tag-name>' docker_storage_cleanup.yml
#
# Example:
#
# ansible-playbook -e 'cli_tag_name=ops-node-compute-12345' docker_storage_cleanup.yml
#
# Notes:
# * This *should* not interfere with running docker images
#
- name: Clean up Docker Storage
gather_facts: no
hosts: "tag_Name_{{ cli_tag_name }}"
user: root
connection: ssh
pre_tasks:
- fail:
msg: "This playbook requires {{item}} to be set."
when: "{{ item }} is not defined or {{ item }} == ''"
with_items:
- cli_tag_name
- name: Ensure docker is running
service:
name: docker
state: started
enabled: yes
- name: Get docker info
command: docker info
register: docker_info
- name: Show docker info
debug:
var: docker_info.stdout_lines
- name: Remove exited and dead containers
shell: "docker ps -a | awk '/Exited|Dead/ {print $1}' | xargs --no-run-if-empty docker rm"
ignore_errors: yes
- name: Remove dangling docker images
shell: "docker images -q -f dangling=true | xargs --no-run-if-empty docker rmi"
ignore_errors: yes
- name: Remove non-running docker images
shell: "docker images | grep -v -e registry.access.redhat.com -e docker-registry.usersys.redhat.com -e docker-registry.ops.rhcloud.com | awk '{print $3}' | xargs --no-run-if-empty docker rmi 2>/dev/null"
ignore_errors: yes
# leaving off the '-t' for docker exec. With it, it doesn't work with ansible and tty support
- name: update zabbix docker items
command: docker exec -i oso-rhel7-host-monitoring /usr/local/bin/cron-send-docker-metrics.py
# Get and show docker info again.
- name: Get docker info
command: docker info
register: docker_info
- name: Show docker info
debug:
var: docker_info.stdout_lines
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