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OpenShift Backup

Backup your OpenShift cluster.

Tested on

OpenShift Version
3.9
3.10
3.11

Extra Vars

Extra Vars Description Default
backup_root Where to save the backup content /backup
aws_s3 Enable AWS S3 sync false
aws_s3_backup_bucket S3 backup
aws_region AWS Region

Component to backup

Component Variable Default Tags
Node/Master pkg list - "rpm -qa | sort | tee" packages
nodes
Node/Master content backup_node_content - /etc/origin
- /etc/etcd
- /etc/sysconfig
- /etc/cni
- /etc/dnsmasq.d
- /etc/pki/ca-trust/source/anchors
- /etc/docker/certs.d
- /etc/dnsmasq.conf		 nodes
etcd - etcd snapshot and status etcd
Project - ns
rolebindings
serviceaccounts
secrets
dcs
bcs
builds
is
rcs
svcs
pods
cms
pvcs
pvcs_attachment
routes
templates
egressnetworkpolicies
imagestreamtags
rolebindingrestrictions
limitranges
resourcequotas
podpreset
cronjobs
statefulsets
hpas
deployments
replicasets
poddisruptionbudget
daemonset		 project

All components are saved under the backup_root/YYYY-MM-DD@HH

For instances:

backup/
└── 2019-02-28@14
    ├── ip-172-16-18-63.eu-central-1.compute.internal
    │   └── backup.tar
    ├── ip-172-16-18-12.eu-central-1.compute.internal
    │   ├── backup.tar
    │   ├── etcd.tar
    │   └── openshift-project.tar
    ├── ip-172-16-32-10.eu-central-1.compute.internal
    │   └── backup.tar
    ├── ip-172-16-55-14.eu-central-1.compute.internal
    │   └── backup.tar
    └── ip-172-16-82-171.eu-central-1.compute.internal
        └── backup.tar

The node ip-172-16-18-12.eu-central-1.compute.internal is the first master.

Archive Description
backup.tar Node/Master content and pkg list
etcd.tar etcd snapshot
opeshift-project.tar project information

Usage

Backup All

ansible-playbook -i inventory playbooks/openshift-backup/config.yaml -e backup_root=/backup

AWS S3

Be sure the env AWS_ACCESS_KEY_ID and AWS_SECRET_ACCESS_KEY are set

ansible-playbook -i inventory playbooks/openshift-backup/config.yaml -e backup_root=/backup -e aws_s3=true -e aws_s3_backup_bucket=eu-central-1-dev-openlab-red-backup -e aws_region=eu-central-1

Backup Nodes

Nodes

ansible-playbook -i inventory playbooks/openshift-backup/config.yaml -e backup_root=/backup -t nodes

Master Only

ansible-playbook -i inventory playbooks/openshift-backup/config.yaml -e backup_root=/backup -t nodes -l masters

Backup etcd

ansible-playbook -i inventory playbooks/openshift-backup/config.yaml -e backup_root=/backup -t etcd -l etcd

Backup Project

ansible-playbook -i inventory playbooks/openshift-backup/config.yaml -e backup_root=/backup -t project -l masters[0]