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99-clickhouseinstallation-max.yaml
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# We may need to label nodes with clickhouse=allow label for this example to run
# See ./label_nodes.sh for this purpose
apiVersion: "clickhouse.altinity.com/v1"
kind: "ClickHouseInstallation"
metadata:
name: "clickhouse-installation-max"
labels:
label1: label1_value
label2: label2_value
annotations:
annotation1: annotation1_value
annotation2: annotation2_value
spec:
stop: "no"
restart: "RollingUpdate"
troubleshoot: "no"
namespaceDomainPattern: "%s.svc.my.test"
templating:
policy: "manual"
reconciling:
policy: "nowait"
configMapPropagationTimeout: 90
cleanup:
unknownObjects:
statefulSet: Delete
pvc: Delete
configMap: Delete
service: Delete
reconcileFailedObjects:
statefulSet: Retain
pvc: Retain
configMap: Retain
service: Retain
# List of templates used by a CHI
useTemplates:
- name: template1
namespace: ns1
useType: merge
- name: template2
# No namespace specified - use CHI namespace
defaults:
replicasUseFQDN: "no"
distributedDDL:
profile: default
storageManagement:
# Specify PVC provisioner.
# 1. StatefulSet. PVC would be provisioned by the StatefulSet
# 2. Operator. PVC would be provisioned by the operator
provisioner: StatefulSet
# Specify PVC reclaim policy.
# 1. Retain. Keep PVC from being deleted
# Retaining PVC will also keep backing PV from deletion. This is useful in case we need to keep data intact.
# 2. Delete
reclaimPolicy: Retain
templates:
hostTemplate: host-template-custom-ports
podTemplate: clickhouse-v22.2
dataVolumeClaimTemplate: default-volume-claim
logVolumeClaimTemplate: default-volume-claim
serviceTemplate: chi-service-template
clusterServiceTemplate: cluster-service-template
shardServiceTemplate: shard-service-template
replicaServiceTemplate: replica-service-template
configuration:
zookeeper:
nodes:
- host: zookeeper-0.zookeepers.zoo3ns.svc.cluster.local
port: 2181
- host: zookeeper-1.zookeepers.zoo3ns.svc.cluster.local
port: 2181
- host: zookeeper-2.zookeepers.zoo3ns.svc.cluster.local
port: 2181
session_timeout_ms: 30000
operation_timeout_ms: 10000
root: "/path/to/zookeeper/root/node"
identity: "user:password"
users:
readonly/profile: readonly
# <users>
# <readonly>
# <profile>readonly</profile>
# </readonly>
# </users>
test/networks/ip:
- "127.0.0.1"
- "::/0"
# <users>
# <test>
# <networks>
# <ip>127.0.0.1</ip>
# <ip>::/0</ip>
# </networks>
# </test>
# </users>
test/profile: default
test/quotas: default
profiles:
readonly/readonly: "1"
# <profiles>
# <readonly>
# <readonly>1</readonly>
# </readonly>
# </profiles>
default/max_memory_usage: "1000000000"
quotas:
default/interval/duration: "3600"
# <quotas>
# <default>
# <interval>
# <duration>3600</duration>
# </interval>
# </default>
# </quotas>
settings:
compression/case/method: zstd
# <compression>
# <case>
# <method>zstd</method>
# </case>
# </compression>
disable_internal_dns_cache: 1
# <disable_internal_dns_cache>1</disable_internal_dns_cache>
files:
dict1.xml: |
<yandex>
<!-- ref to file /etc/clickhouse-data/config.d/source1.csv -->
</yandex>
source1.csv: |
a1,b1,c1,d1
a2,b2,c2,d2
clusters:
- name: all-counts
templates:
podTemplate: clickhouse-v22.2
dataVolumeClaimTemplate: default-volume-claim
logVolumeClaimTemplate: default-volume-claim
schemaPolicy:
replica: All
shard: All
layout:
shardsCount: 3
replicasCount: 2
- name: shards-only
templates:
podTemplate: clickhouse-v22.2
dataVolumeClaimTemplate: default-volume-claim
logVolumeClaimTemplate: default-volume-claim
layout:
shardsCount: 3
# replicasCount not specified, assumed = 1, by default
- name: replicas-only
templates:
podTemplate: clickhouse-v22.2
dataVolumeClaimTemplate: default-volume-claim
logVolumeClaimTemplate: default-volume-claim
layout:
# shardsCount not specified, assumed = 1, by default
replicasCount: 3
- name: customized
templates:
podTemplate: clickhouse-v22.2
dataVolumeClaimTemplate: default-volume-claim
logVolumeClaimTemplate: default-volume-claim
schemaPolicy:
replica: None
shard: None
layout:
shards:
- name: shard0
replicasCount: 3
weight: 1
internalReplication: Disabled
templates:
podTemplate: clickhouse-v22.2
dataVolumeClaimTemplate: default-volume-claim
logVolumeClaimTemplate: default-volume-claim
- name: shard1
templates:
podTemplate: clickhouse-v22.2
dataVolumeClaimTemplate: default-volume-claim
logVolumeClaimTemplate: default-volume-claim
replicas:
- name: replica0
- name: replica1
- name: replica2
- name: shard2
replicasCount: 3
templates:
podTemplate: clickhouse-v22.2
dataVolumeClaimTemplate: default-volume-claim
logVolumeClaimTemplate: default-volume-claim
replicaServiceTemplate: replica-service-template
replicas:
- name: replica0
tcpPort: 9000
httpPort: 8123
interserverHTTPPort: 9009
templates:
podTemplate: clickhouse-v22.3
dataVolumeClaimTemplate: default-volume-claim
logVolumeClaimTemplate: default-volume-claim
replicaServiceTemplate: replica-service-template
- name: with-secret
# Secure communication.
# Translates into <secure>1</secure> ClickHouse setting
secure: "True"
# Shared secret value to secure cluster communications
secret:
# Auto-generate shared secret value to secure cluster communications
auto: "True"
# Cluster shared secret value in plain text
value: "plaintext secret"
# Cluster shared secret source
valueFrom:
secretKeyRef:
name: "SecretName"
key: "Key"
layout:
shardsCount: 2
templates:
hostTemplates:
- name: host-template-custom-ports
portDistribution:
- type: "ClusterScopeIndex"
spec:
tcpPort: 7000
httpPort: 7001
interserverHTTPPort: 7002
#settings:
#files:
#templates:
serviceTemplates:
- name: chi-service-template
# generateName understands different sets of macroses,
# depending on the level of the object, for which Service is being created:
#
# For CHI-level Service:
# 1. {chi} - ClickHouseInstallation name
# 2. {chiID} - short hashed ClickHouseInstallation name (BEWARE, this is an experimental feature)
#
# For Cluster-level Service:
# 1. {chi} - ClickHouseInstallation name
# 2. {chiID} - short hashed ClickHouseInstallation name (BEWARE, this is an experimental feature)
# 3. {cluster} - cluster name
# 4. {clusterID} - short hashed cluster name (BEWARE, this is an experimental feature)
# 5. {clusterIndex} - 0-based index of the cluster in the CHI (BEWARE, this is an experimental feature)
#
# For Shard-level Service:
# 1. {chi} - ClickHouseInstallation name
# 2. {chiID} - short hashed ClickHouseInstallation name (BEWARE, this is an experimental feature)
# 3. {cluster} - cluster name
# 4. {clusterID} - short hashed cluster name (BEWARE, this is an experimental feature)
# 5. {clusterIndex} - 0-based index of the cluster in the CHI (BEWARE, this is an experimental feature)
# 6. {shard} - shard name
# 7. {shardID} - short hashed shard name (BEWARE, this is an experimental feature)
# 8. {shardIndex} - 0-based index of the shard in the cluster (BEWARE, this is an experimental feature)
#
# For Replica-level Service:
# 1. {chi} - ClickHouseInstallation name
# 2. {chiID} - short hashed ClickHouseInstallation name (BEWARE, this is an experimental feature)
# 3. {cluster} - cluster name
# 4. {clusterID} - short hashed cluster name (BEWARE, this is an experimental feature)
# 5. {clusterIndex} - 0-based index of the cluster in the CHI (BEWARE, this is an experimental feature)
# 6. {shard} - shard name
# 7. {shardID} - short hashed shard name (BEWARE, this is an experimental feature)
# 8. {shardIndex} - 0-based index of the shard in the cluster (BEWARE, this is an experimental feature)
# 9. {replica} - replica name
# 10. {replicaID} - short hashed replica name (BEWARE, this is an experimental feature)
# 11. {replicaIndex} - 0-based index of the replica in the shard (BEWARE, this is an experimental feature)
# 12. {chiScopeIndex} - 0-based index of the host in the chi (BEWARE, this is an experimental feature)
# 13. {chiScopeCycleIndex} - 0-based index of the host's cycle in the chi-scope (BEWARE, this is an experimental feature)
# 14. {chiScopeCycleOffset} - 0-based offset of the host in the chi-scope cycle (BEWARE, this is an experimental feature)
# 15. {clusterScopeIndex} - 0-based index of the host in the cluster (BEWARE, this is an experimental feature)
# 16. {clusterScopeCycleIndex} - 0-based index of the host's cycle in the cluster-scope (BEWARE, this is an experimental feature)
# 17. {clusterScopeCycleOffset} - 0-based offset of the host in the cluster-scope cycle (BEWARE, this is an experimental feature)
# 18. {shardScopeIndex} - 0-based index of the host in the shard (BEWARE, this is an experimental feature)
# 19. {replicaScopeIndex} - 0-based index of the host in the replica (BEWARE, this is an experimental feature)
# 20. {clusterScopeCycleHeadPointsToPreviousCycleTail} - 0-based cluster-scope index of previous cycle tail
generateName: "service-{chi}"
# type ObjectMeta struct from k8s.io/meta/v1
metadata:
labels:
custom.label: "custom.value"
annotations:
# For more details on Internal Load Balancer check
# https://kubernetes.io/docs/concepts/services-networking/service/#internal-load-balancer
cloud.google.com/load-balancer-type: "Internal"
service.beta.kubernetes.io/aws-load-balancer-internal: "true"
service.beta.kubernetes.io/azure-load-balancer-internal: "true"
service.beta.kubernetes.io/openstack-internal-load-balancer: "true"
service.beta.kubernetes.io/cce-load-balancer-internal-vpc: "true"
# NLB Load Balancer
service.beta.kubernetes.io/aws-load-balancer-type: "nlb"
# type ServiceSpec struct from k8s.io/core/v1
spec:
ports:
- name: http
port: 8123
- name: tcp
port: 9000
type: LoadBalancer
- name: replica-service-template
# type ServiceSpec struct from k8s.io/core/v1
spec:
ports:
- name: http
port: 8123
- name: tcp
port: 9000
- name: interserver
port: 9009
type: ClusterIP
clusterIP: None
- name: preserve-client-source-ip
# For more details on Preserving Client Source IP check
# https://kubernetes.io/docs/tasks/access-application-cluster/create-external-load-balancer/#preserving-the-client-source-ip
spec:
selector:
app: example
ports:
- name: http
port: 8123
- name: tcp
port: 9000
- name: interserver
port: 9009
externalTrafficPolicy: Local
type: LoadBalancer
volumeClaimTemplates:
- name: default-volume-claim
# Specify PVC provisioner.
# 1. StatefulSet. PVC would be provisioned by the StatefulSet
# 2. Operator. PVC would be provisioned by the operator
provisioner: StatefulSet
# Specify PVC reclaim policy.
# 1. Retain. Keep PVC from being deleted
# Retaining PVC will also keep backing PV from deletion. This is useful in case we need to keep data intact.
# 2. Delete
reclaimPolicy: Retain
# type ObjectMeta struct from k8s.io/core/v1
metadata:
labels:
a: "b"
# type PersistentVolumeClaimSpec struct from k8s.io/core/v1
spec:
# 1. If storageClassName is not specified, default StorageClass
# (must be specified by cluster administrator) would be used for provisioning
# 2. If storageClassName is set to an empty string (‘’), no storage class will be used
# dynamic provisioning is disabled for this PVC. Existing, “Available”, PVs
# (that do not have a specified storageClassName) will be considered for binding to the PVC
#storageClassName: gold
accessModes:
- ReadWriteOnce
resources:
requests:
storage: 1Gi
- name: volume-claim-retain-pvc
# Specify PVC provisioner.
# 1. StatefulSet. PVC would be provisioned by the StatefulSet
# 2. Operator. PVC would be provisioned by the operator
provisioner: StatefulSet
# Specify PVC reclaim policy.
# 1. Retain. Keep PVC from being deleted
# Retaining PVC will also keep backing PV from deletion. This is useful in case we need to keep data intact.
# 2. Delete
reclaimPolicy: Retain
# type ObjectMeta struct from k8s.io/core/v1
metadata:
labels:
a: "b"
# type PersistentVolumeClaimSpec struct from k8s.io/core/v1
spec:
# 1. If storageClassName is not specified, default StorageClass
# (must be specified by cluster administrator) would be used for provisioning
# 2. If storageClassName is set to an empty string (‘’), no storage class will be used
# dynamic provisioning is disabled for this PVC. Existing, “Available”, PVs
# (that do not have a specified storageClassName) will be considered for binding to the PVC
#storageClassName: gold
accessModes:
- ReadWriteOnce
resources:
requests:
storage: 1Gi
podTemplates:
# multiple pod templates makes possible to update version smoothly
# pod template for ClickHouse v18.16.1
- name: clickhouse-v22.3
# We may need to label nodes with clickhouse=allow label for this example to run
# See ./label_nodes.sh for this purpose
zone:
key: "clickhouse"
values:
- "allow"
# Shortcut version for AWS installations
#zone:
# values:
# - "us-east-1a"
# Possible values for podDistribution are:
# Unspecified - empty value
# ClickHouseAntiAffinity - AntiAffinity by ClickHouse instances.
# Pod pushes away other ClickHouse pods, which allows one ClickHouse instance per topologyKey-specified unit
# CH - (push away) - CH - (push away) - CH
# ShardAntiAffinity - AntiAffinity by shard name.
# Pod pushes away other pods of the same shard (replicas of this shard),
# which allows one replica of a shard instance per topologyKey-specified unit.
# Other shards are allowed - it does not push all shards away, but CH-instances of the same shard only.
# Used for data loss avoidance - keeps all copies of the shard on different topologyKey-specified units.
# shard1,replica1 - (push away) - shard1,replica2 - (push away) - shard1,replica3
# ReplicaAntiAffinity - AntiAffinity by replica name.
# Pod pushes away other pods of the same replica (shards of this replica),
# which allows one shard of a replica per topologyKey-specified unit.
# Other replicas are allowed - it does not push all replicas away, but CH-instances of the same replica only.
# Used to evenly distribute load from "full cluster scan" queries.
# shard1,replica1 - (push away) - shard2,replica1 - (push away) - shard3,replica1
# AnotherNamespaceAntiAffinity - AntiAffinity by "another" namespace.
# Pod pushes away pods from another namespace, which allows same-namespace pods per topologyKey-specified unit.
# ns1 - (push away) - ns2 - (push away) - ns3
# AnotherClickHouseInstallationAntiAffinity - AntiAffinity by "another" ClickHouseInstallation name.
# Pod pushes away pods from another ClickHouseInstallation,
# which allows same-ClickHouseInstallation pods per topologyKey-specified unit.
# CHI1 - (push away) - CHI2 - (push away) - CHI3
# AnotherClusterAntiAffinity - AntiAffinity by "another" cluster name.
# Pod pushes away pods from another Cluster,
# which allows same-cluster pods per topologyKey-specified unit.
# cluster1 - (push away) - cluster2 - (push away) - cluster3
# MaxNumberPerNode - AntiAffinity by cycle index.
# Pod pushes away pods from the same cycle,
# which allows to specify maximum number of ClickHouse instances per topologyKey-specified unit.
# Used to setup circular replication.
# NamespaceAffinity - Affinity by namespace.
# Pod attracts pods from the same namespace,
# which allows pods from same namespace per topologyKey-specified unit.
# ns1 + (attracts) + ns1
# ClickHouseInstallationAffinity - Affinity by ClickHouseInstallation name.
# Pod attracts pods from the same ClickHouseInstallation,
# which allows pods from the same CHI per topologyKey-specified unit.
# CHI1 + (attracts) + CHI1
# ClusterAffinity - Affinity by cluster name.
# Pod attracts pods from the same cluster,
# which allows pods from the same Cluster per topologyKey-specified unit.
# cluster1 + (attracts) + cluster1
# ShardAffinity - Affinity by shard name.
# Pod attracts pods from the same shard,
# which allows pods from the same Shard per topologyKey-specified unit.
# shard1 + (attracts) + shard1
# ReplicaAffinity - Affinity by replica name.
# Pod attracts pods from the same replica,
# which allows pods from the same Replica per topologyKey-specified unit.
# replica1 + (attracts) + replica1
# PreviousTailAffinity - Affinity to overlap cycles. Used to make cycle pod distribution
# cycle head + (attracts to) + previous cycle tail
podDistribution:
- type: ShardAntiAffinity
- type: MaxNumberPerNode
number: 2
# Apply podDistribution on per-host basis
topologyKey: "kubernetes.io/hostname"
# Apply podDistribution on per-zone basis
#topologyKey: "kubernetes.io/zone"
# type PodSpec struct {} from k8s.io/core/v1
spec:
containers:
- name: clickhouse
image: clickhouse/clickhouse-server:22.3
volumeMounts:
- name: default-volume-claim
mountPath: /var/lib/clickhouse
resources:
requests:
memory: "64Mi"
cpu: "100m"
limits:
memory: "64Mi"
cpu: "100m"
# pod template for ClickHouse v22.2
- name: clickhouse-v22.2
# type PodSpec struct {} from k8s.io/core/v1
spec:
containers:
- name: clickhouse
image: clickhouse/clickhouse-server:22.2
volumeMounts:
- name: default-volume-claim
mountPath: /var/lib/clickhouse
resources:
requests:
memory: "64Mi"
cpu: "100m"
limits:
memory: "64Mi"
cpu: "100m"