Data Management in Kubernetes Using Kanister

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Tom Manville | April 25th, 2018 Data Management in Kubernetes Using Kanister

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5 yes*

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6 Database Operations in Kubernetes kanister.io

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7 Agenda • Background • DB in a container • DB in Kubernetes • Kanister • Use Cases • Components • Walkthrough • Demo

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8 whoami

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9 DB in a Container $ docker run -d \ percona/percona-server:5.7

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10 DB in a Container $ docker run -d \ –v /local/datadir:/var/lib/mysql \ percona/percona-server:5.7

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11 Cloud Native • Container Package • Dynamically Managed • Micro-Services Oriented

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15 Requirements https://kubernetes.io/ https://github.com/kubernetes/kubernetes https://www.helm.sh/ https://github.com/kubernetes/helm

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16 DB in Kubernetes $ helm install stable/percona

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17 Application Centric Use Cases • Portability between cloud providers • Testing on real data • Filtering • Masking • Backup/Recover • Distributed point-in-time consistency • Incremental backups

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18 Install Kanister $ helm install stable/kanister-operator $ helm repo add kanister http://charts.kanister.io

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19 Kanister DB Charts $ helm install kanister/kanister-mysql \ --set kanister.s3_bucket="mysql-backup-bucket" \ --set kanister.s3_api_key="${AWS_ACCESS_KEY_ID}" \ --set kanister.s3_api_secret="${AWS_SECRET_ACCESS_KEY}" \

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20 Kanister Components API Objects • ActionSet • Blueprints • Profiles (coming soon!) • Locations • Credentials Controller • Watches for new API objects • Launches actions • Creates events / logs status

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21 Controller Blueprint Database

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22 Controller Blueprint CLI Database

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23 ActionSet Controller Blueprint CLI Database

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24 ActionSet Controller Blueprint CLI Database

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25 ActionSet Controller Blueprint CLI Database

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26 ActionSet Controller Blueprint Action CLI Database

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27 ActionSet Controller Blueprint Action CLI Database

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28 ActionSet Controller Blueprint Action CLI Database

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Demos Click to add text

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30 An Abridged ActionSet spec: actions: - name: backup blueprint: mysql-blueprint object: kind: Deployment name: mysql-sakila namespace: video-store-app status: ...

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31 backup: phases: - func: KubeExec args: - "{{ .Deployment.Namespace }}" - "{{ index .Deployment.Pods 0 }}" - kanister-sidecar - bash - -c - | s3_path="s3://${S3_BUCKET}/{{ .ArtifactsOut.mysqlCloudDump.path }}" s3_cmd=(aws "${S3_VERIFY_SSL}" s3 cp - "${s3_path}") mysqldump --password="${MYSQL_ROOT_PASSWORD}" | gzip - | ${s3_cmd[@]} Blueprint: Backup

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32 restore: phases: - func: KubeExec args: - "{{ .Deployment.Namespace }}" - "{{ index .Deployment.Pods 0 }}" - kanister-sidecar - bash - -c - | s3_path="s3://${S3_BUCKET}/{{ .ArtifactsIn.mysqlCloudDump.path }}" s3_cmd=(aws "${S3_VERIFY_SSL}" s3 cp "${s3_path}" -) ${s3_cmd[@]} | gunzip -c - | mysql --password="${MYSQL_ROOT_PWD}" Blueprint: Restore

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33 Chaining ActionSets $ kanctl perform restore --from backup-mysql-04-23

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34 Database Operations in Kubernetes kanister.io

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35 Try Kanister Today! • Site: https://kanister.io/ • Github: https://github.com/kanisterio/kanister • Docs: https://docs.kanister.io/ • Slack: https://kasten.typeform.com/to/QBcw8T