feat(clickhouse): Add ClickHouse (#3060)
* Add {Chart,templates/common}.yaml
* Add {questions,values}.yaml
* Add config.d PVC mounts
* Remove types from probes
* Add custom probes
* Add exec to probes
* Remove loops from probes
* Use HTTP probes
* Update charts/incubator/clickhouse/values.yaml
* Revert "Update charts/incubator/clickhouse/values.yaml"
This reverts commit 6f680bff5afae43ff26e01761e59ab29dc1bb799.
* Use HTTP probe
* Disable startup probe
* Update charts/incubator/clickhouse/values.yaml
* Add reference to docs regarding Linux capabilities
* Test different probe timings
* Fix linting errors
* Make root fs writable
* Cleanup
* Disable optional capabilities for advanced ClickHouse features
Co-authored-by: Kjeld Schouten-Lebbing <kjeld@schouten-lebbing.nl>
This commit is contained in:
Michael Schnerring
committed by
GitHub
GitHub
parent
5c38d66f09
commit
50516db10b
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apiVersion: v2
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appVersion: "21.3.20.1"
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dependencies:
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- name: common
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repository: https://library-charts.truecharts.org
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version: 10.3.0
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deprecated: false
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description: ClickHouse® is a column-oriented database management system (DBMS) for online analytical processing of queries (OLAP).
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home: https://github.com/truecharts/apps/tree/master/charts/incubator/clickhouse
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icon: https://truecharts.org/_static/img/appicons/clickhouse.png
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keywords:
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- database
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- clickhouse
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- sql
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kubeVersion: '>=1.16.0-0'
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maintainers:
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- email: info@truecharts.org
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name: TrueCharts
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url: https://truecharts.org
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name: clickhouse
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sources:
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- https://clickhouse.com/
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- https://hub.docker.com/r/yandex/clickhouse-server
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type: application
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version: 0.0.1
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annotations:
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truecharts.org/catagories: |
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- database
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truecharts.org/SCALE-support: "true"
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truecharts.org/grade: U
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@@ -0,0 +1,298 @@
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# Include{groups}
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questions:
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- variable: portal
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group: "Container Image"
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label: "Configure Portal Button"
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schema:
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type: dict
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hidden: true
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attrs:
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- variable: enabled
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label: "Enable"
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description: "enable the portal button"
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schema:
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hidden: true
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editable: false
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type: boolean
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default: false
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# Include{global}
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- variable: controller
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group: "Controller"
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label: ""
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schema:
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additional_attrs: true
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type: dict
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attrs:
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- variable: advanced
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label: "Show Advanced Controller Settings"
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schema:
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type: boolean
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default: false
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show_subquestions_if: true
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subquestions:
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- variable: type
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description: "Please specify type of workload to deploy"
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label: "(Advanced) Controller Type"
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schema:
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type: string
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default: "statefulset"
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required: true
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enum:
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- value: "deployment"
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description: "Deployment"
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- value: "statefulset"
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description: "Statefulset"
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- value: "daemonset"
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description: "Daemonset"
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- variable: replicas
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description: "Number of desired pod replicas"
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label: "Desired Replicas"
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schema:
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type: int
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default: 1
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required: true
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- variable: strategy
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description: "Please specify type of workload to deploy"
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label: "(Advanced) Update Strategy"
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schema:
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type: string
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default: "RollingUpdate"
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required: true
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enum:
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- value: "Recreate"
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description: "Recreate: Kill existing pods before creating new ones"
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- value: "RollingUpdate"
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description: "RollingUpdate: Create new pods and then kill old ones"
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- value: "OnDelete"
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description: "(Legacy) OnDelete: ignore .spec.template changes"
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# Include{controllerExpert}
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# Include{containerConfig}
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- variable: clickhouseDatabase
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group: "App Configuration"
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label: "Database Name"
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schema:
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type: string
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default: "test"
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required: true
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- variable: clickhouseUsername
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group: "App Configuration"
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label: "Database User"
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schema:
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type: string
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default: "test"
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required: true
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- variable: clickhousePassword
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group: "App Configuration"
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label: "Database Password"
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schema:
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type: string
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default: ""
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required: true
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private: true
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- variable: clickhouseDefaultAccessManagement
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group: "App Configuration"
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label: "Default Access Management"
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schema:
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type: int
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default: 0
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required: true
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enum:
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- value: 0
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description: "Disabled"
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- value: 1
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description: "Enabled"
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- variable: service
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group: "Networking and Services"
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label: "Configure Service(s)"
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schema:
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additional_attrs: true
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type: dict
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attrs:
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- variable: main
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label: "Main Service"
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description: "The Primary service on which the healthcheck runs, often the webUI"
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schema:
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additional_attrs: true
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type: dict
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attrs:
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# Include{serviceSelector}
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- variable: main
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label: "Main Service Port Configuration"
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schema:
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additional_attrs: true
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type: dict
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attrs:
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- variable: port
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label: "Port"
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description: "This port exposes the container port on the service"
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schema:
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type: int
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default: 8123
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required: true
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- variable: advanced
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label: "Show Advanced settings"
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schema:
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type: boolean
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default: false
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show_subquestions_if: true
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subquestions:
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- variable: protocol
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label: "Port Type"
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schema:
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type: string
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default: "HTTP"
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enum:
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- value: HTTP
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description: "HTTP"
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- value: "HTTPS"
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description: "HTTPS"
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- value: TCP
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description: "TCP"
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- value: "UDP"
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description: "UDP"
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- variable: nodePort
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label: "Node Port (Optional)"
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description: "This port gets exposed to the node. Only considered when service type is NodePort, Simple or LoadBalancer"
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schema:
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type: int
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min: 9000
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max: 65535
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- variable: targetPort
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label: "Target Port"
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description: "The internal(!) port on the container the Application runs on"
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schema:
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type: int
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default: 8123
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- variable: serviceexpert
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group: "Networking and Services"
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label: "Show Expert Config"
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schema:
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type: boolean
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default: false
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show_subquestions_if: true
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subquestions:
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- variable: hostNetwork
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group: "Networking and Services"
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label: "Host-Networking (Complicated)"
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schema:
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type: boolean
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default: false
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# Include{serviceExpert}
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# Include{serviceList}
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- variable: volumeClaimTemplates
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label: "Integrated Persistent Storage"
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description: "Integrated Persistent Storage"
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group: "Storage and Persistence"
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schema:
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additional_attrs: true
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type: dict
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attrs:
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- variable: data
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label: Data Storage
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description: Stores the ClickHouse Data
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schema:
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type: dict
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hidden: true
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attrs:
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# Include{persistenceBasic}
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# Include{persistenceAdvanced}
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- variable: config-server
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label: Server Configuration Storage
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description: Files with Server Settings Adjustments
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schema:
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type: dict
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hidden: true
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attrs:
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# Include{persistenceBasic}
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# Include{persistenceAdvanced}
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- variable: config-users
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label: Users Configuration Storage
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description: Files with Users Settings Adjustments
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schema:
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type: dict
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hidden: true
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attrs:
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# Include{persistenceBasic}
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# Include{persistenceAdvanced}
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# Include{persistenceList}
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# Include{ingressList}
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# Include{security}
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- variable: advancedSecurity
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label: "Show Advanced Security Settings"
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group: "Security and Permissions"
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schema:
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type: boolean
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default: false
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show_subquestions_if: true
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subquestions:
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- variable: securityContext
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label: "Security Context"
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schema:
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additional_attrs: true
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type: dict
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attrs:
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- variable: privileged
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label: "Privileged mode"
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schema:
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type: boolean
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default: false
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- variable: readOnlyRootFilesystem
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label: "ReadOnly Root Filesystem"
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schema:
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type: boolean
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default: true
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- variable: allowPrivilegeEscalation
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label: "Allow Privilege Escalation"
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schema:
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type: boolean
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default: false
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- variable: runAsNonRoot
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label: "runAsNonRoot"
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schema:
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type: boolean
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default: true
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# Include{securityContextAdvanced}
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- variable: podSecurityContext
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group: "Security and Permissions"
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label: "Pod Security Context"
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schema:
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additional_attrs: true
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type: dict
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attrs:
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- variable: runAsUser
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label: "runAsUser"
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description: "The UserID of the user running the application"
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schema:
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type: int
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default: 568
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- variable: runAsGroup
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label: "runAsGroup"
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description: "The groupID this App of the user running the application"
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schema:
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type: int
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default: 568
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- variable: fsGroup
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label: "fsGroup"
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description: "The group that should own ALL storage."
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schema:
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type: int
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default: 568
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# Include{podSecurityContextAdvanced}
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# Include{resources}
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# Include{advanced}
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# Include{addons}
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@@ -0,0 +1 @@
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{{ include "tc.common.loader.all" . }}
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@@ -0,0 +1,67 @@
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image:
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repository: yandex/clickhouse-server
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pullPolicy: IfNotPresent
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tag: 21.3.20.1@sha256:4eccfffb01d735ab7c1af9a97fbff0c532112a6871b2bb5fe5c478d86d247b7e
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controller:
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type: statefulset
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strategy: RollingUpdate
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rollingUpdate:
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unavailable: 1
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securityContext:
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readOnlyRootFilesystem: false
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# Optional capabilities advanced ClickHouse features. See also:
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# https://github.com/ClickHouse/ClickHouse/blob/master/docker/server/README.md#linux-capabilities
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# https://kb.altinity.com/altinity-kb-setup-and-maintenance/altinity-kb-clickhouse-in-docker/
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# https://github.com/ClickHouse/ClickHouse/blob/b844c36a9d5e76300a88b4f49e6debccf1ad22e4/programs/install/Install.cpp#L793-L804
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# capabilities:
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# add:
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# - IPC_LOCK
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# - NET_ADMIN
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# - SYS_NICE
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service:
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main:
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ports:
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main:
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port: 8123
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protocol: HTTP
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targetPort: 8123
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volumeClaimTemplates:
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data:
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enabled: true
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mountPath: /var/lib/clickhouse
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probes:
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liveness:
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type: HTTP
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path: /ping
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readiness:
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type: HTTP
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path: /ping
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startup:
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type: HTTP
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path: /ping
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clickhouseDatabase: "test"
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clickhouseUsername: "test"
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clickhousePassword: "testpass"
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clickhouseDefaultAccessManagement: 0
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existingSecret: ""
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secret:
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credentials:
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enabled: true
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data:
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clickhouse-password: '{{ ( .Values.clickhousePassword | default "empty" ) }}'
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env:
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CLICKHOUSE_DB: "{{ .Values.clickhouseDatabase }}"
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CLICKHOUSE_USER: "{{ .Values.clickhouseUsername }}"
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CLICKHOUSE_DEFAULT_ACCESS_MANAGEMENT: "{{ .Values.clickhouseDefaultAccessManagement }}"
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CLICKHOUSE_PASSWORD:
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secretKeyRef:
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name: '{{ .Values.existingSecret | default ( printf "%s-credentials" ( include "tc.common.names.fullname" . ) ) }}'
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key: "clickhouse-password"
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