From 18306e3401818cfd9723b6813987308f584c6ea3 Mon Sep 17 00:00:00 2001 From: Jan Chaloupka Date: Wed, 20 Sep 2017 11:56:19 +0200 Subject: consolidate etcd_common role --- roles/etcd/tasks/backup/backup.yml | 101 +++++++++++++++++++++++++++++++++++++ 1 file changed, 101 insertions(+) create mode 100644 roles/etcd/tasks/backup/backup.yml (limited to 'roles/etcd/tasks/backup') diff --git a/roles/etcd/tasks/backup/backup.yml b/roles/etcd/tasks/backup/backup.yml new file mode 100644 index 000000000..42d27c081 --- /dev/null +++ b/roles/etcd/tasks/backup/backup.yml @@ -0,0 +1,101 @@ +--- +# set the etcd backup directory name here in case the tag or sufix consists of dynamic value that changes over time +# e.g. openshift-backup-{{ lookup('pipe', 'date +%Y%m%d%H%M%S') }} value will change every second so if the date changes +# right after setting l_etcd_incontainer_backup_dir and before l_etcd_backup_dir facts, the backup directory name is different +- set_fact: + l_backup_dir_name: "openshift-backup-{{ r_etcd_common_backup_tag }}{{ r_etcd_common_backup_sufix_name }}" + +- set_fact: + l_etcd_data_dir: "{{ etcd_data_dir }}{{ '/etcd.etcd' if r_etcd_common_etcd_runtime == 'runc' else '' }}" + +- set_fact: + l_etcd_incontainer_data_dir: "{{ etcd_data_dir }}" + +- set_fact: + l_etcd_incontainer_backup_dir: "{{ l_etcd_incontainer_data_dir }}/{{ l_backup_dir_name }}" + +- set_fact: + l_etcd_backup_dir: "{{ l_etcd_data_dir }}/{{ l_backup_dir_name }}" + +# TODO: replace shell module with command and update later checks +- name: Check available disk space for etcd backup + shell: df --output=avail -k {{ l_etcd_data_dir }} | tail -n 1 + register: l_avail_disk + # AUDIT:changed_when: `false` because we are only inspecting + # state, not manipulating anything + changed_when: false + +# TODO: replace shell module with command and update later checks +- name: Check current etcd disk usage + shell: du --exclude='*openshift-backup*' -k {{ l_etcd_data_dir }} | tail -n 1 | cut -f1 + register: l_etcd_disk_usage + # AUDIT:changed_when: `false` because we are only inspecting + # state, not manipulating anything + changed_when: false + +- name: Abort if insufficient disk space for etcd backup + fail: + msg: > + {{ l_etcd_disk_usage.stdout|int*2 }} Kb disk space required for etcd backup, + {{ l_avail_disk.stdout }} Kb available. + when: l_etcd_disk_usage.stdout|int*2 > l_avail_disk.stdout|int + +# For non containerized and non embedded we should have the correct version of +# etcd installed already. So don't do anything. +# +# For containerized installs we now exec into etcd_container +# +# For embedded non containerized we need to ensure we have the latest version +# etcd on the host. +- name: Detecting Atomic Host Operating System + stat: + path: /run/ostree-booted + register: l_ostree_booted + +- name: Install latest etcd for embedded + package: + name: etcd + state: latest + when: + - r_etcd_common_embedded_etcd | bool + - not l_ostree_booted.stat.exists | bool + +- name: Check selinux label of '{{ l_etcd_data_dir }}' + command: > + stat -c '%C' {{ l_etcd_data_dir }} + register: l_etcd_selinux_labels + +- debug: + msg: "{{ l_etcd_selinux_labels }}" + +- name: Make sure the '{{ l_etcd_data_dir }}' has the proper label + command: > + chcon -t svirt_sandbox_file_t "{{ l_etcd_data_dir }}" + when: + - l_etcd_selinux_labels.rc == 0 + - "'svirt_sandbox_file_t' not in l_etcd_selinux_labels.stdout" + +- name: Generate etcd backup + command: > + {{ r_etcd_common_etcdctl_command }} backup --data-dir={{ l_etcd_incontainer_data_dir }} + --backup-dir={{ l_etcd_incontainer_backup_dir }} + +# According to the docs change you can simply copy snap/db +# https://github.com/openshift/openshift-docs/commit/b38042de02d9780842dce95cfa0ef45d53b58bc6 +- name: Check for v3 data store + stat: + path: "{{ l_etcd_data_dir }}/member/snap/db" + register: l_v3_db + +- name: Copy etcd v3 data store + command: > + cp -a {{ l_etcd_data_dir }}/member/snap/db + {{ l_etcd_backup_dir }}/member/snap/ + when: l_v3_db.stat.exists + +- set_fact: + r_etcd_common_backup_complete: True + +- name: Display location of etcd backup + debug: + msg: "Etcd backup created in {{ l_etcd_backup_dir }}" -- cgit v1.2.3