diff options
| -rw-r--r-- | playbooks/common/openshift-cluster/upgrades/etcd/backup.yml | 60 |
1 files changed, 28 insertions, 32 deletions
diff --git a/playbooks/common/openshift-cluster/upgrades/etcd/backup.yml b/playbooks/common/openshift-cluster/upgrades/etcd/backup.yml index 7ef79afa9..fb51a0061 100644 --- a/playbooks/common/openshift-cluster/upgrades/etcd/backup.yml +++ b/playbooks/common/openshift-cluster/upgrades/etcd/backup.yml @@ -3,8 +3,8 @@ hosts: etcd_hosts_to_backup vars: embedded_etcd: "{{ groups.oo_etcd_to_config | default([]) | length == 0 }}" - timestamp: "{{ lookup('pipe', 'date +%Y%m%d%H%M%S') }}" etcdctl_command: "{{ 'etcdctl' if not openshift.common.is_containerized or embedded_etcd else 'docker exec etcd_container etcdctl' if not openshift.common.is_etcd_system_container else 'runc exec etcd etcdctl' }}" + timestamp: "{{ lookup('pipe', 'date +%Y%m%d%H%M%S') }}" roles: - openshift_facts tasks: @@ -13,29 +13,20 @@ role: etcd local_facts: {} when: "'etcd' not in openshift" - - - stat: path=/var/lib/openshift - register: var_lib_openshift - - - stat: path=/var/lib/origin - register: var_lib_origin - - - name: Create origin symlink if necessary - file: src=/var/lib/openshift/ dest=/var/lib/origin state=link - when: var_lib_openshift.stat.exists == True and var_lib_origin.stat.exists == False + - set_fact: + etcd_backup_dir: "{{ openshift.etcd.etcd_data_dir }}/openshift-backup-{{ backup_tag | default('') }}{{ timestamp }}" # TODO: replace shell module with command and update later checks - # We assume to be using the data dir for all backups. - name: Check available disk space for etcd backup - shell: df --output=avail -k {{ openshift.common.data_dir }} | tail -n 1 + shell: df --output=avail -k {{ openshift.etcd.etcd_data_dir }} | tail -n 1 register: 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 embedded etcd disk usage - shell: du -k {{ openshift.etcd.etcd_data_dir }} | tail -n 1 | cut -f1 + - name: Check current etcd disk usage + shell: du --exclude='*openshift-backup*' -k {{ openshift.etcd.etcd_data_dir }} | tail -n 1 | cut -f1 register: etcd_disk_usage when: embedded_etcd | bool # AUDIT:changed_when: `false` because we are only inspecting @@ -52,37 +43,42 @@ # For non containerized and non embedded we should have the correct version of # etcd installed already. So don't do anything. # - # For embedded or containerized we need to use the latest because OCP 3.3 uses - # a version of etcd that can only be backed up with etcd-3.x and if it's - # containerized then etcd version may be newer than that on the host so - # upgrade it. - # - # On atomic we have neither yum nor dnf so ansible throws a hard to debug error - # if you use package there, like this: "Could not find a module for unknown." - # see https://bugzilla.redhat.com/show_bug.cgi?id=1408668 + # For containerized installs we now exec into etcd_container # - # TODO - We should refactor all containerized backups to use the containerized - # version of etcd to perform the backup rather than relying on the host's - # binaries. Until we do that we'll continue to have problems backing up etcd - # when atomic host has an older version than the version that's running in the - # container whether that's embedded or not - - name: Install latest etcd for containerized or embedded + # For embedded non containerized we need to ensure we have the latest version + # etcd on the host. + - name: Install latest etcd for embedded package: name: etcd state: latest - when: ( embedded_etcd | bool or openshift.common.is_containerized ) and not openshift.common.is_atomic + when: + - embedded_etcd | bool + - not openshift.common.is_atomic | bool - name: Generate etcd backup command: > {{ etcdctl_command }} backup --data-dir={{ openshift.etcd.etcd_data_dir }} - --backup-dir={{ openshift.common.data_dir }}/etcd-backup-{{ backup_tag | default('') }}{{ timestamp }} + --backup-dir={{ etcd_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: "{{ openshift.etcd.etcd_data_dir }}/member/snap/db" + register: v3_db + + - name: Copy etcd v3 data store + command: > + cp -a {{ openshift.etcd.etcd_data_dir }}/member/snap/db + {{ etcd_backup_dir }}/member/snap/ + when: v3_db.stat.exists - set_fact: etcd_backup_complete: True - name: Display location of etcd backup debug: - msg: "Etcd backup created in {{ openshift.common.data_dir }}/etcd-backup-{{ backup_tag | default('') }}{{ timestamp }}" + msg: "Etcd backup created in {{ etcd_backup_dir }}" - name: Gate on etcd backup hosts: localhost |