【K8S】helm|【K8S】helm chart多环境部署最佳实践-示例【K8S】helmchart多环境部署最佳

Chart.yaml

apiVersion: v1 appVersion: "1.0" description: A Helm chart for Kubernetes name: nginx version: 0.1.0

【【K8S】helm|【K8S】helm chart多环境部署最佳实践-示例】values.yaml

# Default values for nginx. # This is a YAML-formatted file. # Declare variables to be passed into your templates.replicaCount: 2image: repository: nginx tag: 1.15-alpineenvs: PARAM_JVMTOOL: "123456" PARAM_SPRING: "654321"resources: requests: cpu: "0.1" memory: "256M"

values-dev.yaml

# Default values for nginx. # This is a YAML-formatted file. # Declare variables to be passed into your templates.envs: PARAM_AAA: "123456_aaa_dev" PARAM_BBB: "123456_bbb_dev" PARAM_CCC: "123456_ccc_dev" PARAM_DDD: "123456_ddd_dev"resources: limits: cpu: "0.5" memory: "512M"

values-test.yaml

# Default values for nginx. # This is a YAML-formatted file. # Declare variables to be passed into your templates.envs: PARAM_AAA: "123456_aaa_test" PARAM_BBB: "123456_bbb_test" PARAM_CCC: "123456_ccc_test" PARAM_DDD: "123456_ddd_test"resources: limits: cpu: "0.5" memory: "512M"

values-stage.yaml

# Default values for nginx. # This is a YAML-formatted file. # Declare variables to be passed into your templates.envs: PARAM_AAA: "123456_aaa_stage" PARAM_BBB: "123456_bbb_stage" PARAM_CCC: "123456_ccc_stage" PARAM_DDD: "123456_ddd_stage"resources: limits: cpu: "0.5" memory: "1024M"

values-prod.yaml

# Default values for nginx. # This is a YAML-formatted file. # Declare variables to be passed into your templates.envs: PARAM_AAA: "123456_aaa_prod" PARAM_BBB: "123456_bbb_prod" PARAM_CCC: "123456_ccc_prod" PARAM_DDD: "123456_ddd_prod"resources: limits: cpu: "0.5" memory: "1024M"

templates/deployment.yaml

apiVersion: extensions/v1beta1 kind: Deployment metadata: name: nginx spec: selector: matchLabels: app: nginx replicas: {{ .Values.replicaCount }} template: metadata: labels: app: nginx spec: containers: - image: {{ .Values.image.repository }}:{{ .Values.image.tag }} imagePullPolicy: Always name: nginx command: ["/bin/sh", "-c", "echo $HOSTNAME > /usr/share/nginx/html/index.html && exec nginx -g 'daemon off; '"] ports: - containerPort: 80 resources: {{- toYaml .Values.resources | nindent 10 }} env: {{- range $key, $value := .Values.envs }} - name: {{ $key }} value: {{ $value | quote }} {{- end }}

templates/service.yaml

apiVersion: v1 kind: Service metadata: name: nginx spec: ports: - port: 80 targetPort: 80 protocol: TCP selector: app: nginx sessionAffinity: None type: ClusterIP clusterIP: None--- --- apiVersion: v1 kind: Service metadata: name: nginx-nodeport spec: ports: - port: 80 protocol: TCP targetPort: 80 # 30000-32767 # nodePort: 30080 selector: app: hello-world #sessionAffinity: None type: NodePort

deploy.sh

#!/bin/bashenvType=${1:-dev} helm install --name=nginx -f values.yaml -f values-dev.yaml --set image.repository=docker-repo.xxx.com/k2/nginx --set image.tag=1.12.2 --set envs.PARAM_JVMTOOL=xxxxxxxx --set envs.PARAM_AAA=yyyyyyyyy --dry-run --debug .

debug.txt

apiVersion: extensions/v1beta1 kind: Deployment metadata: name: nginx spec: selector: matchLabels: app: nginx replicas: 2 template: metadata: labels: app: nginx spec: containers: - image: docker-repo.xxx.com/k2/nginx:1.12.2 imagePullPolicy: Always name: nginx command: ["/bin/sh", "-c", "echo $HOSTNAME > /usr/share/nginx/html/index.html && exec nginx -g 'daemon off; '"] ports: - containerPort: 80 resources: limits: cpu: "0.5" memory: 512M requests: cpu: "0.1" memory: 256Menv: - name: PARAM_AAA value: "yyyyyyyyy" - name: PARAM_BBB value: "123456_bbb_dev" - name: PARAM_CCC value: "123456_ccc_dev" - name: PARAM_DDD value: "123456_ddd_dev" - name: PARAM_JVMTOOL value: "xxxxxxxx" - name: PARAM_SPRING value: "654321"

转载于:https://www.cnblogs.com/junneyang/p/11302143.html