clickhouse

clickhouse

Clickhouse chart for Kubernetes

Clickhouse is a fast open-source OLAP database management system.

Homepage: https://github.com/sergelogvinov/helm-charts

Maintainers

Name	Email	Url
sergelogvinov		https://github.com/sergelogvinov

Source Code

• https://github.com/sergelogvinov/helm-charts/tree/master/charts/clickhouse
• https://github.com/ClickHouse/ClickHouse
• https://hub.docker.com/r/clickhouse/clickhouse-server

Example:

# clickhouse.yaml

clickhouse:
  users:
    - name: reader
      profile: reader
      quota: default
      # echo -n "reader" | shasum -a 256
      password: 3d0941964aa3ebdcb00ccef58b1bb399f9f898465e9886d5aec7f31090a0fb30

ingress:
  enabled: true
  className: nginx
  hosts:
    - host: clickhouse.example.com
  tls:
    - secretName: clickhouse.example.com-tls
      hosts:
        - clickhouse.example.com

resources:
  limits:
    cpu: 2
    memory: 4Gi
  requests:
    cpu: 200m
    memory: 1Gi

persistence:
  enabled: true
  size: 10Gi

metrics:
  enabled: true

Values

Key	Type	Default	Description
replicaCount	int	1
image.repository	string	"clickhouse/clickhouse-server"
image.pullPolicy	string	"IfNotPresent"
image.tag	string	""
imagePullSecrets	list	[]
nameOverride	string	""
fullnameOverride	string	""
serviceAccount	object	{"annotations":{},"create":true,"name":""}	Pods Service Account. ref: https://kubernetes.io/docs/tasks/configure-pod-container/configure-service-account/
podlabels	object	{}
podAnnotations	object	{}	Annotations for pod. ref: https://kubernetes.io/docs/concepts/overview/working-with-objects/annotations/
podSecurityContext	object	{"fsGroup":999,"fsGroupChangePolicy":"OnRootMismatch","runAsGroup":999,"runAsNonRoot":true,"runAsUser":999}	Pod Security Context. ref: https://kubernetes.io/docs/tasks/configure-pod-container/security-context/#set-the-security-context-for-a-pod
securityContext	object	{"allowPrivilegeEscalation":false,"capabilities":{"drop":["ALL"]},"seccompProfile":{"type":"RuntimeDefault"}}	Container Security Context. ref: https://kubernetes.io/docs/tasks/configure-pod-container/security-context/#set-the-security-context-for-a-pod
service	object	{"ipFamilies":["IPv4"],"type":"ClusterIP"}	Service parameters ref: https://kubernetes.io/docs/user-guide/services/
ingress	object	{"annotations":{},"className":"","enabled":false,"hosts":[{"host":"chart-example.local","paths":["/clickhouse"]}],"tls":[]}	Clickhouse ingress parameters ref: http://kubernetes.io/docs/user-guide/ingress/
resources	object	{"requests":{"cpu":"500m","memory":"512Mi"}}	Resource requests and limits. ref: https://kubernetes.io/docs/user-guide/compute-resources/
persistence	object	{"accessModes":["ReadWriteOnce"],"annotations":{},"enabled":true,"size":"64Gi","storageClass":"local-path"}	Persistence parameters ref: https://kubernetes.io/docs/user-guide/persistent-volumes/
priorityClassName	string	nil	Priority Class Name ref: https://kubernetes.io/docs/concepts/configuration/pod-priority-preemption/#priorityclass
updateStrategy	object	{"type":"RollingUpdate"}	pod deployment update strategy type. ref: https://kubernetes.io/docs/concepts/workloads/controllers/deployment/#updating-a-deployment
nodeSelector	object	{}	Node labels for pod assignment. ref: https://kubernetes.io/docs/user-guide/node-selection/
tolerations	list	[]	Tolerations for pod assignment. ref: https://kubernetes.io/docs/concepts/configuration/taint-and-toleration/
affinity	object	{}	Affinity for pod assignment. ref: https://kubernetes.io/docs/concepts/configuration/assign-pod-node/#affinity-and-anti-affinity
metrics.enabled	bool	false
backup.enabled	bool	false
backup.image.repository	string	"altinity/clickhouse-backup"
backup.image.pullPolicy	string	"IfNotPresent"
backup.image.tag	string	"2.6.3"
backup.schedule	string	"15 4 * * *"
backup.args	list	[]
backup.envs	object	{}
backup.config	object	{}
backup.resources	object	{"limits":{"cpu":"1200m","memory":"512Mi"},"requests":{"cpu":"500m","memory":"256Mi"}}	Resource requests and limits. ref: https://kubernetes.io/docs/user-guide/compute-resources/
backup.priorityClassName	string	nil	Priority Class Name ref: https://kubernetes.io/docs/concepts/configuration/pod-priority-preemption/#priorityclass
cronjobs	object	{}
tlsCerts.create	bool	false
files	object	{}
config	string	nil
storage	object	{}
clickhouse.logLevel	string	"information"	Clickhouse log level ref: https://clickhouse.com/docs/en/operations/server-configuration-parameters/settings#logger trace, debug, information, warning, error
clickhouse.accessManagement	bool	false	Clickhouse SQL-driven Access Control refs: https://clickhouse.com/docs/en/operations/access-rights
clickhouse.users[0]	object	{"name":"logger","password":"2686af9f25e1a64f5e9f7290c7e457aa06b616fb31d2b4331ff6fa0857661cd5","profile":"default","quota":"default"}	Clickhouse read write user
clickhouse.users[1]	object	{"accessManagement":false,"name":"reader","password":"3d0941964aa3ebdcb00ccef58b1bb399f9f898465e9886d5aec7f31090a0fb30","profile":"reader","quota":"default"}	Clickhouse read only user
clickhouse.collections	list	[]	Clickhouse named collections
clickhouse.envs	object	{}