etcd-backup
Container that backs up etcd configuration to S3. The container overwrites the same S3 object every time it is run, it is recommended you turn versioning on to retain access to previous copies.
There is an existing image available on the public registry at iainmckay/etcd-backup.
Backing up etcd
To backup etcd you simply run:
$ docker run -e AWS_ACCESS_KEY_ID="key" -e AWS_SECRET_ACCESS_KEY="secret" -e AWS_DEFAULT_REGION="eu-west-1" iainmckay/etcd-backup backup
Restoring etcd
To restore an existing backup you simply run:
$ docker run -e AWS_ACCESS_KEY_ID="key" -e AWS_SECRET_ACCESS_KEY="secret" -e AWS_DEFAULT_REGION="eu-west-1" iainmckay/etcd-backup restore
Configuration
The container can be customized with these environment variables:
| Name | Default Value | Description |
|---|---|---|
| AWS_ACCESS_KEY_ID | blank |
Your AWS access key with access to the desired bucket |
| AWS_SECRET_ACCESS_KEY | blank |
Your AWS secret access key with access to the desired bucket |
| AWS_DEFAULT_REGION | blank |
The AWS region your bucket is in |
| ETCD_IP | 172.17.42.1 | Address your etcd peer is accessible at |
| ETCD_PORT | 4001 | The port your etcd peer is accessible on |
| S3_BUCKET | blank |
The bucket to write the backup to |
| S3_OBJECT | etcd.json | The object to write |