perf(helm): flink-deployment > remove unneeded mount

This commit is contained in:
2024-12-19 00:40:16 +03:30
parent 7e33fd6cef
commit 00030195c8
17 changed files with 25 additions and 19 deletions

23
helm/chart/.helmignore Normal file
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# Patterns to ignore when building packages.
# This supports shell glob matching, relative path matching, and
# negation (prefixed with !). Only one pattern per line.
.DS_Store
# Common VCS dirs
.git/
.gitignore
.bzr/
.bzrignore
.hg/
.hgignore
.svn/
# Common backup files
*.swp
*.bak
*.tmp
*.orig
*~
# Various IDEs
.project
.idea/
*.tmproj
.vscode/

6
helm/chart/Chart.yaml Normal file
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apiVersion: v2
name: flink-kube-operator
description: Helm chart for flink kube operator
type: application
version: 0.1.1
appVersion: "0.1.0"

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1. Get the application URL by running these commands:
{{- if .Values.ingress.enabled }}
{{- range $host := .Values.ingress.hosts }}
{{- range .paths }}
http{{ if $.Values.ingress.tls }}s{{ end }}://{{ $host.host }}{{ .path }}
{{- end }}
{{- end }}
{{- else if contains "NodePort" .Values.service.type }}
export NODE_PORT=$(kubectl get --namespace {{ .Release.Namespace }} -o jsonpath="{.spec.ports[0].nodePort}" services {{ include "flink-kube-operator.fullname" . }})
export NODE_IP=$(kubectl get nodes --namespace {{ .Release.Namespace }} -o jsonpath="{.items[0].status.addresses[0].address}")
echo http://$NODE_IP:$NODE_PORT
{{- else if contains "LoadBalancer" .Values.service.type }}
NOTE: It may take a few minutes for the LoadBalancer IP to be available.
You can watch its status by running 'kubectl get --namespace {{ .Release.Namespace }} svc -w {{ include "flink-kube-operator.fullname" . }}'
export SERVICE_IP=$(kubectl get svc --namespace {{ .Release.Namespace }} {{ include "flink-kube-operator.fullname" . }} --template "{{"{{ range (index .status.loadBalancer.ingress 0) }}{{.}}{{ end }}"}}")
echo http://$SERVICE_IP:{{ .Values.service.port }}
{{- else if contains "ClusterIP" .Values.service.type }}
export POD_NAME=$(kubectl get pods --namespace {{ .Release.Namespace }} -l "app.kubernetes.io/name={{ include "flink-kube-operator.name" . }},app.kubernetes.io/instance={{ .Release.Name }}" -o jsonpath="{.items[0].metadata.name}")
export CONTAINER_PORT=$(kubectl get pod --namespace {{ .Release.Namespace }} $POD_NAME -o jsonpath="{.spec.containers[0].ports[0].containerPort}")
echo "Visit http://127.0.0.1:8080 to use your application"
kubectl --namespace {{ .Release.Namespace }} port-forward $POD_NAME 8080:$CONTAINER_PORT
{{- end }}

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{{/*
Expand the name of the chart.
*/}}
{{- define "flink-kube-operator.name" -}}
{{- default .Chart.Name .Values.nameOverride | trunc 63 | trimSuffix "-" }}
{{- end }}
{{/*
Create a default fully qualified app name.
We truncate at 63 chars because some Kubernetes name fields are limited to this (by the DNS naming spec).
If release name contains chart name it will be used as a full name.
*/}}
{{- define "flink-kube-operator.fullname" -}}
{{- if .Values.fullnameOverride }}
{{- .Values.fullnameOverride | trunc 63 | trimSuffix "-" }}
{{- else }}
{{- $name := default .Chart.Name .Values.nameOverride }}
{{- if contains $name .Release.Name }}
{{- .Release.Name | trunc 63 | trimSuffix "-" }}
{{- else }}
{{- printf "%s-%s" .Release.Name $name | trunc 63 | trimSuffix "-" }}
{{- end }}
{{- end }}
{{- end }}
{{/*
Create chart name and version as used by the chart label.
*/}}
{{- define "flink-kube-operator.chart" -}}
{{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" }}
{{- end }}
{{/*
Common labels
*/}}
{{- define "flink-kube-operator.labels" -}}
helm.sh/chart: {{ include "flink-kube-operator.chart" . }}
{{ include "flink-kube-operator.selectorLabels" . }}
{{- if .Chart.AppVersion }}
app.kubernetes.io/version: {{ .Chart.AppVersion | quote }}
{{- end }}
app.kubernetes.io/managed-by: {{ .Release.Service }}
{{- end }}
{{/*
Selector labels
*/}}
{{- define "flink-kube-operator.selectorLabels" -}}
app.kubernetes.io/name: {{ include "flink-kube-operator.name" . }}
app.kubernetes.io/instance: {{ .Release.Name }}
{{- end }}
{{/*
Create the name of the service account to use
*/}}
{{- define "flink-kube-operator.serviceAccountName" -}}
{{- if .Values.serviceAccount.create }}
{{- default (include "flink-kube-operator.fullname" .) .Values.serviceAccount.name }}
{{- else }}
{{- default "default" .Values.serviceAccount.name }}
{{- end }}
{{- end }}

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apiVersion: apps/v1
kind: Deployment
metadata:
name: {{ .Release.Name }}-flink
labels:
app.kubernetes.io/name: {{ .Release.Name }}-flink
app.kubernetes.io/instance: {{ .Release.Name }}
spec:
replicas: 1
selector:
matchLabels:
app.kubernetes.io/name: {{ .Release.Name }}-flink
app.kubernetes.io/instance: {{ .Release.Name }}
template:
metadata:
labels:
app.kubernetes.io/name: {{ .Release.Name }}-flink
app.kubernetes.io/instance: {{ .Release.Name }}
spec:
serviceAccountName: {{ include "flink-kube-operator.serviceAccountName" . }}
containers:
- name: flink
image: {{ .Values.flink.image.repository }}:{{ .Values.flink.image.tag }}
imagePullPolicy: Always
ports:
- containerPort: 8081 # JobManager Web UI port
- containerPort: 6121 # TaskManager communication port
- containerPort: 6122 # TaskManager communication port
env:
- name: JOB_MANAGER_RPC_ADDRESS
value: "localhost" # JobManager and TaskManager in the same container
- name: FLINK_PROPERTIES
value: |
jobmanager.rpc.address: localhost
jobmanager.memory.process.size: 2048m
taskmanager.memory.process.size: 2048m
taskmanager.data.port: 6125
taskmanager.numberOfTaskSlots: {{ .Values.flink.taskManager.numberOfTaskSlots }}
parallelism.default: {{ .Values.flink.parallelism.default }}
state.backend: {{ .Values.flink.state.backend }}
state.savepoints.dir: {{ .Values.flink.state.savepoints.dir }}
rest.port: 8081
rootLogger.level = DEBUG
rootLogger.appenderRef.console.ref = ConsoleAppender
web.upload.dir: /opt/flink/data/web-upload
state.checkpoints.dir: file:///tmp/flink-checkpoints
high-availability.type: kubernetes
high-availability.storageDir: file:///opt/flink/ha
kubernetes.cluster-id: cluster-one
kubernetes.namespace: {{ .Release.Namespace }}
volumeMounts:
- name: flink-data
mountPath: /opt/flink/data
subPath: data
- name: flink-savepoints
mountPath: /opt/flink/savepoints
- name: flink-savepoints
mountPath: /opt/flink/ha
subPath: ha
volumes:
- name: flink-data
emptyDir: {} # Temporary storage for internal data
- name: flink-savepoints
persistentVolumeClaim:
claimName: {{ .Values.flink.state.savepoints.pvcName }} # PVC for savepoints persistence

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apiVersion: v1
kind: PersistentVolumeClaim
metadata:
name: {{ .Values.flink.state.savepoints.pvcName }}
spec:
accessModes:
- ReadWriteOnce
resources:
requests:
storage: {{ .Values.flink.persistence.size }} # Use size defined in values.yaml

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apiVersion: v1
kind: Service
metadata:
name: flink
labels:
app.kubernetes.io/name: {{ .Release.Name }}-flink
app.kubernetes.io/instance: {{ .Release.Name }}
spec:
ports:
- port: 8081
targetPort: 8081
selector:
app.kubernetes.io/name: {{ .Release.Name }}-flink
app.kubernetes.io/instance: {{ .Release.Name }}
type: ClusterIP # Change to LoadBalancer if you want external access

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apiVersion: apps/v1
kind: Deployment
metadata:
name: {{ include "flink-kube-operator.fullname" . }}
labels:
{{- include "flink-kube-operator.labels" . | nindent 4 }}
spec:
{{- if not .Values.autoscaling.enabled }}
replicas: {{ .Values.replicaCount }}
{{- end }}
selector:
matchLabels:
{{- include "flink-kube-operator.selectorLabels" . | nindent 6 }}
template:
metadata:
{{- with .Values.podAnnotations }}
annotations:
{{- toYaml . | nindent 8 }}
{{- end }}
labels:
{{- include "flink-kube-operator.labels" . | nindent 8 }}
{{- with .Values.podLabels }}
{{- toYaml . | nindent 8 }}
{{- end }}
spec:
{{- with .Values.imagePullSecrets }}
imagePullSecrets:
{{- toYaml . | nindent 8 }}
{{- end }}
serviceAccountName: {{ include "flink-kube-operator.serviceAccountName" . }}
securityContext:
{{- toYaml .Values.podSecurityContext | nindent 8 }}
containers:
- name: {{ .Chart.Name }}
securityContext:
{{- toYaml .Values.securityContext | nindent 12 }}
image: "{{ .Values.image.repository }}:{{ .Values.image.tag | default .Chart.AppVersion }}"
imagePullPolicy: {{ .Values.image.pullPolicy }}
ports:
- name: http
containerPort: {{ .Values.service.port }}
protocol: TCP
env:
- name: FLINK_API_URL
value: {{ .Values.config.flinkApiUrl }}
resources:
{{- toYaml .Values.resources | nindent 12 }}
{{- with .Values.nodeSelector }}
nodeSelector:
{{- toYaml . | nindent 8 }}
{{- end }}
{{- with .Values.affinity }}
affinity:
{{- toYaml . | nindent 8 }}
{{- end }}
{{- with .Values.tolerations }}
tolerations:
{{- toYaml . | nindent 8 }}
{{- end }}

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{{- if .Values.autoscaling.enabled }}
apiVersion: autoscaling/v2
kind: HorizontalPodAutoscaler
metadata:
name: {{ include "flink-kube-operator.fullname" . }}
labels:
{{- include "flink-kube-operator.labels" . | nindent 4 }}
spec:
scaleTargetRef:
apiVersion: apps/v1
kind: Deployment
name: {{ include "flink-kube-operator.fullname" . }}
minReplicas: {{ .Values.autoscaling.minReplicas }}
maxReplicas: {{ .Values.autoscaling.maxReplicas }}
metrics:
{{- if .Values.autoscaling.targetCPUUtilizationPercentage }}
- type: Resource
resource:
name: cpu
target:
type: Utilization
averageUtilization: {{ .Values.autoscaling.targetCPUUtilizationPercentage }}
{{- end }}
{{- if .Values.autoscaling.targetMemoryUtilizationPercentage }}
- type: Resource
resource:
name: memory
target:
type: Utilization
averageUtilization: {{ .Values.autoscaling.targetMemoryUtilizationPercentage }}
{{- end }}
{{- end }}

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{{- if .Values.ingress.enabled -}}
apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
name: {{ include "flink-kube-operator.fullname" . }}
labels:
{{- include "flink-kube-operator.labels" . | nindent 4 }}
{{- with .Values.ingress.annotations }}
annotations:
{{- toYaml . | nindent 4 }}
{{- end }}
spec:
{{- with .Values.ingress.className }}
ingressClassName: {{ . }}
{{- end }}
{{- if .Values.ingress.tls }}
tls:
{{- range .Values.ingress.tls }}
- hosts:
{{- range .hosts }}
- {{ . | quote }}
{{- end }}
secretName: {{ .secretName }}
{{- end }}
{{- end }}
rules:
{{- range .Values.ingress.hosts }}
- host: {{ .host | quote }}
http:
paths:
{{- range .paths }}
- path: {{ .path }}
{{- with .pathType }}
pathType: {{ . }}
{{- end }}
backend:
service:
name: {{ include "flink-kube-operator.fullname" $ }}
port:
number: {{ $.Values.service.port }}
{{- end }}
{{- end }}
{{- end }}

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apiVersion: rbac.authorization.k8s.io/v1
kind: Role
metadata:
name: {{ include "flink-kube-operator.serviceAccountName" . }}
namespace: {{ .Release.Namespace }} # Namespace where the role is created
labels:
{{- include "flink-kube-operator.labels" . | nindent 4 }}
rules:
- apiGroups:
- flink.logicamp.tech # API group of the FlinkJob CRD
resources:
- flink-jobs # The plural name of your custom resource
verbs:
- get
- list
- create
- update
- delete
- patch
- watch
- apiGroups: [""]
resources: ["configmaps", "pods", "services"]
verbs: ["create", "get", "list", "watch", "update", "delete", "patch"]
- apiGroups: ["apps"]
resources: ["statefulsets"]
verbs: ["get", "list", "watch"]
- apiGroups: ["storage.k8s.io"]
resources: ["persistentvolumeclaims"]
verbs: ["get", "list", "create", "delete"]
- apiGroups: [""]
resources: ["persistentvolumes"]
verbs: ["get", "list"]
---
apiVersion: rbac.authorization.k8s.io/v1
kind: RoleBinding
metadata:
name: {{ include "flink-kube-operator.serviceAccountName" . }}
namespace: {{ .Release.Namespace }} # Namespace where the RoleBinding is created
labels:
{{- include "flink-kube-operator.labels" . | nindent 4 }}
subjects:
- kind: ServiceAccount
name: {{ include "flink-kube-operator.serviceAccountName" . }}
namespace: {{ .Release.Namespace }} # Ensure that the service account is in the same namespace
roleRef:
kind: Role
name: {{ include "flink-kube-operator.serviceAccountName" . }}
apiGroup: rbac.authorization.k8s.io

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apiVersion: v1
kind: Service
metadata:
name: {{ include "flink-kube-operator.fullname" . }}
labels:
{{- include "flink-kube-operator.labels" . | nindent 4 }}
spec:
type: {{ .Values.service.type }}
ports:
- port: {{ .Values.service.port }}
targetPort: http
protocol: TCP
name: http
selector:
{{- include "flink-kube-operator.selectorLabels" . | nindent 4 }}

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{{- if .Values.serviceAccount.create -}}
apiVersion: v1
kind: ServiceAccount
metadata:
name: {{ include "flink-kube-operator.serviceAccountName" . }}
labels:
{{- include "flink-kube-operator.labels" . | nindent 4 }}
{{- with .Values.serviceAccount.annotations }}
annotations:
{{- toYaml . | nindent 4 }}
{{- end }}
automountServiceAccountToken: {{ .Values.serviceAccount.automount }}
{{- end }}

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helm/chart/values.yaml Normal file
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# Default values for flink-kube-operator.
# This is a YAML-formatted file.
# Declare variables to be passed into your templates.
# This will set the replicaset count more information can be found here: https://kubernetes.io/docs/concepts/workloads/controllers/replicaset/
replicaCount: 1
# This sets the container image more information can be found here: https://kubernetes.io/docs/concepts/containers/images/
image:
repository: lcr.logicamp.tech/library/flink-kube-operator
# This sets the pull policy for images.
pullPolicy: Always
# Overrides the image tag whose default is the chart appVersion.
tag: latest
# This is for the secretes for pulling an image from a private repository more information can be found here: https://kubernetes.io/docs/tasks/configure-pod-container/pull-image-private-registry/
imagePullSecrets: []
# This is to override the chart name.
nameOverride: ""
fullnameOverride: ""
#This section builds out the service account more information can be found here: https://kubernetes.io/docs/concepts/security/service-accounts/
serviceAccount:
# Specifies whether a service account should be created
create: true
# Automatically mount a ServiceAccount's API credentials?
automount: true
# Annotations to add to the service account
annotations: {}
# The name of the service account to use.
# If not set and create is true, a name is generated using the fullname template
name: ""
# This is for setting Kubernetes Annotations to a Pod.
# For more information checkout: https://kubernetes.io/docs/concepts/overview/working-with-objects/annotations/
podAnnotations: {}
# This is for setting Kubernetes Labels to a Pod.
# For more information checkout: https://kubernetes.io/docs/concepts/overview/working-with-objects/labels/
podLabels: {}
podSecurityContext: {}
# fsGroup: 2000
securityContext: {}
# capabilities:
# drop:
# - ALL
# readOnlyRootFilesystem: true
# runAsNonRoot: true
# runAsUser: 1000
# This is for setting up a service more information can be found here: https://kubernetes.io/docs/concepts/services-networking/service/
service:
# This sets the service type more information can be found here: https://kubernetes.io/docs/concepts/services-networking/service/#publishing-services-service-types
type: ClusterIP
# This sets the ports more information can be found here: https://kubernetes.io/docs/concepts/services-networking/service/#field-spec-ports
port: 80
# This block is for setting up the ingress for more information can be found here: https://kubernetes.io/docs/concepts/services-networking/ingress/
ingress:
enabled: false
className: ""
annotations: {}
# kubernetes.io/ingress.class: nginx
# kubernetes.io/tls-acme: "true"
hosts:
- host: chart-example.local
paths:
- path: /
pathType: ImplementationSpecific
tls: []
# - secretName: chart-example-tls
# hosts:
# - chart-example.local
resources: {}
# We usually recommend not to specify default resources and to leave this as a conscious
# choice for the user. This also increases chances charts run on environments with little
# resources, such as Minikube. If you do want to specify resources, uncomment the following
# lines, adjust them as necessary, and remove the curly braces after 'resources:'.
# limits:
# cpu: 100m
# memory: 128Mi
# requests:
# cpu: 100m
# memory: 128Mi
# This is to setup the liveness and readiness probes more information can be found here: https://kubernetes.io/docs/tasks/configure-pod-container/configure-liveness-readiness-startup-probes/
livenessProbe:
httpGet:
path: /
port: http
readinessProbe:
httpGet:
path: /
port: http
#This section is for setting up autoscaling more information can be found here: https://kubernetes.io/docs/concepts/workloads/autoscaling/
autoscaling:
enabled: false
minReplicas: 1
maxReplicas: 100
targetCPUUtilizationPercentage: 80
# targetMemoryUtilizationPercentage: 80
config:
flinkApiUrl: flink:8081
nodeSelector: {}
tolerations: []
affinity: {}
# Global values for the Flink deployment
flink:
image:
repository: lcr.logicamp.tech/library/flink
tag: 1.20.0-scala_2.12-java17-minicluster
parallelism:
default: 1 # Default parallelism for Flink jobs
state:
backend: rocksdb # Use RocksDB for state backend
savepoints:
dir: "file:///opt/flink/savepoints" # Directory to store savepoints
pvcName: flink-savepoints-pvc # PVC for savepoints persistence
taskManager:
numberOfTaskSlots: 100 # Number of task slots for TaskManager
persistence:
enabled: true
size: 10Gi # PVC size for savepoints storage
accessModes:
- ReadWriteOnce