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| -rwxr-xr-x | playbooks/adhoc/docker_loopback_to_lvm/ops-docker-loopback-to-direct-lvm.yml | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/playbooks/adhoc/docker_loopback_to_lvm/ops-docker-loopback-to-direct-lvm.yml b/playbooks/adhoc/docker_loopback_to_lvm/ops-docker-loopback-to-direct-lvm.yml new file mode 100755 index 000000000..614b2537a --- /dev/null +++ b/playbooks/adhoc/docker_loopback_to_lvm/ops-docker-loopback-to-direct-lvm.yml @@ -0,0 +1,104 @@ +#!/usr/bin/ansible-playbook +--- +# This playbook coverts docker to go from loopback to direct-lvm (the Red Hat recommended way to run docker). +# +# It requires the block device to be already provisioned and attached to the host. This is a generic playbook, +# meant to be used for manual conversion. For AWS specific conversions, use the other playbook in this directory. +# +# To run: +# ./ops-docker-loopback-to-direct-lvm.yml -e cli_host=<host to run on> -e cli_docker_device=<path to device> +# +# Example: +# ./ops-docker-loopback-to-direct-lvm.yml -e cli_host=twiesttest-master-fd32 -e cli_docker_device=/dev/sdb +# +# Notes: +# * This will remove /var/lib/docker! +# * You may need to re-deploy docker images after this is run (like monitoring) + +- name: Fix docker to have a provisioned iops drive + hosts: "{{ cli_name }}" + user: root + connection: ssh + gather_facts: no + + pre_tasks: + - fail: + msg: "This playbook requires {{item}} to be set." + when: "{{ item }} is not defined or {{ item }} == ''" + with_items: + - cli_docker_device + + - name: start docker + service: + name: docker + state: started + + - name: Determine if loopback + shell: docker info | grep 'Data file:.*loop' + register: loop_device_check + ignore_errors: yes + + - debug: + var: loop_device_check + + - name: fail if we don't detect loopback + fail: + msg: loopback not detected! Please investigate manually. + when: loop_device_check.rc == 1 + + - name: stop zagg client monitoring container + service: + name: oso-rhel7-zagg-client + state: stopped + ignore_errors: yes + + - name: stop pcp client monitoring container + service: + name: oso-f22-host-monitoring + state: stopped + ignore_errors: yes + + - name: "check to see if {{ cli_docker_device }} exists" + command: "test -e {{ cli_docker_device }}" + register: docker_dev_check + ignore_errors: yes + + - debug: var=docker_dev_check + + - name: "fail if {{ cli_docker_device }} doesn't exist" + fail: + msg: "{{ cli_docker_device }} doesn't exist. Please investigate" + when: docker_dev_check.rc != 0 + + - name: stop docker + service: + name: docker + state: stopped + + - name: delete /var/lib/docker + command: rm -rf /var/lib/docker + + - name: remove /var/lib/docker + command: rm -rf /var/lib/docker + + - name: copy the docker-storage-setup config file + copy: + content: > + DEVS={{ cli_docker_device }} + VG=docker_vg + dest: /etc/sysconfig/docker-storage-setup + owner: root + group: root + mode: 0664 + + - name: docker storage setup + command: docker-storage-setup + register: setup_output + + - debug: var=setup_output + + - name: start docker + command: systemctl start docker.service + register: dockerstart + + - debug: var=dockerstart |