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- m Manville | April 25th, 2018
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Data Management in Kubernetes Using Kanister T om Manville | April - - PowerPoint PPT Presentation
Data Management in Kubernetes Using Kanister T om Manville | April - - PowerPoint PPT Presentation
Data Management in Kubernetes Using Kanister T om Manville | April 25th, 2018 2 3 4 yes* 5 Database Operations in Kubernetes kanister.io 6 Agenda Background DB in a container DB in Kubernetes Kanister Use
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yes*
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Database Operations in Kubernetes
kanister.io
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Agenda
- Background
- DB in a container
- DB in Kubernetes
- Kanister
- Use Cases
- Components
- Walkthrough
- Demo
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whoami
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DB in a Container
$ docker run -d \ percona/percona-server:5.7
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DB in a Container
$ docker run -d \ –v /local/datadir:/var/lib/mysql \ percona/percona-server:5.7
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Cloud Native
- Container Package
- Dynamically Managed
- Micro-Services Oriented
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Requirements
https://kubernetes.io/ https://github.com/kubernetes/kubernetes https://www.helm.sh/ https://github.com/kubernetes/helm
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DB in Kubernetes
$ helm install stable/percona
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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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Install Kanister
$ helm install stable/kanister-operator $ helm repo add kanister http://charts.kanister.io
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Kanister DB Charts
$ helm install kanister/kanister-mysql \
- -set kanister.s3_bucket="mysql-backup-bucket"
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- -set kanister.s3_api_key="${AWS_ACCESS_KEY_ID}"
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- -set kanister.s3_api_secret="${AWS_SECRET_ACCESS_KEY}" \
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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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Controller Blueprint Database
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Controller Blueprint CLI Database
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ActionSet Controller Blueprint CLI Database
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ActionSet Controller Blueprint CLI Database
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ActionSet Controller Blueprint CLI Database
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ActionSet Controller Blueprint Action CLI Database
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ActionSet Controller Blueprint Action CLI Database
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ActionSet Controller Blueprint Action CLI Database
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Demos
Click to add text
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An Abridged ActionSet
spec: actions:
- name: backup
blueprint: mysql-blueprint
- bject:
kind: Deployment name: mysql-sakila namespace: video-store-app status: ...
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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 - | ${s3_cmd[@]}
Blueprint: Backup
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restore: phases:
- func: KubeExec
args:
- "{{ .Deployment.Namespace }}"
- "{{ index .Deployment.Pods 0 }}"
- kanister-sidecar
- bash
- -c
- |
s3_path="s3://${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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Chaining ActionSets
$ kanctl perform restore --from backup-mysql-04-23
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Database Operations in Kubernetes
kanister.io
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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
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Backup Slides
Click to add text
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Common Databases
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