friendly-snippets/snippets/kubernetes.json

473 lines
16 KiB
JSON

{
"k8s Ingress with TLS": {
"prefix": "k-ingress-tls",
"description": "k8s Ingress with TLS",
"body": [
"# https://kubernetes.io/docs/concepts/services-networking/ingress/#tls",
"apiVersion: v1",
"kind: Secret",
"metadata:",
" name: ${1:testsecret-tls}",
" namespace: ${2:default}",
"type: kubernetes.io/tls",
"# The TLS secret must contain keys named 'tls.crt' and 'tls.key' that contain the certificate and private key to use for TLS.",
"data:",
" tls.crt: base64 encoded cert",
" tls.key: base64 encoded key",
"",
"---",
"apiVersion: networking.k8s.io/v1",
"kind: Ingress",
"metadata:",
" name: ${3:tls-example-ingress}",
" namespace: ${2:default}",
"spec:",
" tls:",
" - hosts:",
" - ${4:https-example.foo.com}",
" secretName: ${1:testsecret-tls}",
" rules:",
" - host: ${4:https-example.foo.com}",
" http:",
" paths:",
" - path: /${5}",
" pathType: Prefix",
" backend:",
" service:",
" name: ${6:service1}",
" port:",
" number: ${7:80}",
"---",
"$0"
]
},
"k8s Ingress": {
"prefix": "k-ingress",
"description": "k8s Ingress",
"body": [
"# https://kubernetes.io/docs/concepts/services-networking/ingress/",
"apiVersion: networking.k8s.io/v1",
"kind: Ingress",
"metadata:",
" name: ${1:example-ingress}",
" namespace: ${2:default}",
"spec:",
" rules:",
" - host: ${3:example.foo.com}",
" http:",
" paths:",
" - path: /${4}",
" pathType: ${5|Prefix,Exact|}",
" backend:",
" service:",
" name: ${6:service1}",
" port:",
" number: ${7:80}",
"---",
"$0"
]
},
"k8s Ingress with Rewrite rule": {
"prefix": "k-ingress-rewrite",
"description": "k8s Ingress with Rewrite rule",
"body": [
"# https://kubernetes.io/docs/concepts/services-networking/ingress/",
"apiVersion: networking.k8s.io/v1",
"kind: Ingress",
"metadata:",
" name: ${1:example-ingress}",
" namespace: ${2:default}",
" # https://kubernetes.github.io/ingress-nginx/examples/rewrite/",
" annotations:",
" nginx.ingress.kubernetes.io/rewrite-target: /\\$1",
"spec:",
" rules:",
" - host: ${3:example.foo.com}",
" http:",
" paths:",
" - path: ${4:/api/(.*)}",
" pathType: Prefix",
" backend:",
" service:",
" name: ${5:service1}",
" port:",
" number: ${6:80}",
"---",
"$0"
]
},
"k8s Deployment": {
"prefix": "k-deployment",
"description": "k8s Deployment",
"body": [
"# https://kubernetes.io/docs/concepts/workloads/controllers/deployment/",
"apiVersion: apps/v1",
"kind: Deployment",
"metadata:",
" name: ${1:myjob}",
" namespace: ${2:default}",
" labels:",
" app: ${1:myjob}",
"spec:",
" selector:",
" matchLabels:",
" app: ${1:myjob}",
" replicas: 1",
" strategy:",
" rollingUpdate:",
" maxSurge: 25%",
" maxUnavailable: 25%",
" type: RollingUpdate",
" template:",
" metadata:",
" annotations:",
" kubectl.kubernetes.io/default-container: ${1:myjob}",
" labels:",
" app: ${1:myjob}",
" spec:",
" # initContainers:",
" # Init containers are exactly like regular containers, except:",
" # - Init containers always run to completion.",
" # - Each init container must complete successfully before the next one starts.",
" containers:",
" - name: ${1:myjob}",
" image: ${3:myjob:latest}",
" imagePullPolicy: ${4|IfNotPresent,Always,Never|}",
" resources:",
" requests:",
" cpu: 100m",
" memory: 100Mi",
" limits:",
" cpu: 100m",
" memory: 100Mi",
" livenessProbe:",
" tcpSocket:",
" port: ${5:80}",
" initialDelaySeconds: 5",
" timeoutSeconds: 5",
" successThreshold: 1",
" failureThreshold: 3",
" periodSeconds: 10",
" readinessProbe:",
" httpGet:",
" path: /_status/healthz",
" port: ${5:80}",
" initialDelaySeconds: 5",
" timeoutSeconds: 2",
" successThreshold: 1",
" failureThreshold: 3",
" periodSeconds: 10",
" env:",
" - name: DB_HOST",
" valueFrom:",
" configMapKeyRef:",
" name: ${1:myjob}",
" key: DB_HOST",
" ports:",
" - containerPort: ${5:80}",
" name: ${1:myjob}",
" volumeMounts:",
" - name: localtime",
" mountPath: /etc/localtime",
" volumes:",
" - name: localtime",
" hostPath:",
" path: /usr/share/zoneinfo/Asia/Taipei",
" restartPolicy: Always",
"---",
"$0"
]
},
"k8s Service": {
"prefix": "k-service",
"description": "k8s Service",
"body": [
"# https://kubernetes.io/docs/concepts/services-networking/service/",
"apiVersion: v1",
"kind: Service",
"metadata:",
" name: ${1:myjob}",
" namespace: ${2:default}",
"spec:",
" selector:",
" app: ${1:myjob}",
" type: ${3|ClusterIP,NodePort,LoadBalancer|}",
" ports:",
" - name: ${1:myjob}",
" protocol: ${4|TCP,UDP|}",
" port: ${5:80}",
" targetPort: ${6:5000}",
" nodePort: ${7:30001}",
"---",
"$0"
]
},
"k8s ConfigMap": {
"prefix": "k-configmap",
"description": "k8s ConfigMap",
"body": [
"# https://kubernetes.io/docs/concepts/configuration/configmap/",
"apiVersion: v1",
"kind: ConfigMap",
"metadata:",
" name: ${1:myconfig}",
" namespace: ${2:default}",
"data:",
" ${3:key}: ${4:value}",
"---",
"$0"
]
},
"k8s Secret": {
"prefix": "k-secret",
"description": "k8s Secret",
"body": [
"# https://kubernetes.io/docs/concepts/configuration/secret/",
"apiVersion: v1",
"kind: Secret",
"metadata:",
" name: ${1:mysecret}",
" namespace: ${2:default}",
"type: Opaque",
"data:",
" # Example:",
" # password: {{ .Values.password | b64enc }}",
"---",
"$0"
]
},
"k8s Job": {
"prefix": "k-job",
"description": "k8s Job",
"body": [
"# https://kubernetes.io/docs/concepts/workloads/controllers/job/",
"apiVersion: batch/v1",
"kind: Job",
"metadata:",
" name: ${1:myjob}",
" namespace: ${2:default}",
" labels:",
" app: ${1:myjob}",
"spec:",
" template:",
" metadata:",
" name: ${1:myjob}",
" labels:",
" app: ${1:myjob}",
" spec:",
" containers:",
" - name: ${1:myjob}",
" image: ${3:python:3.7.6-alpine3.10}",
" command: ['sh', '-c', '${4:python3 manage.py makemigrations && python3 manage.py migrate}']",
" env:",
" - name: ENV_NAME",
" value: ENV_VALUE",
" volumeMounts:",
" - name: localtime",
" mountPath: /etc/localtime",
" volumes:",
" - name: localtime",
" hostPath:",
" path: /usr/share/zoneinfo/Asia/Taipei",
" restartPolicy: OnFailure",
" dnsPolicy: ClusterFirst",
"---",
"$0"
]
},
"k8s CronJob": {
"prefix": "k-cronjob",
"description": "k8s CronJob",
"body": [
"# https://kubernetes.io/docs/concepts/workloads/controllers/cron-jobs/",
"apiVersion: batch/v1",
"kind: CronJob",
"metadata:",
" name: ${1:cronjobname}",
" namespace: ${2:default}",
"spec:",
" schedule: \"${3:*/1 * * * *}\"",
" jobTemplate:",
" spec:",
" template:",
" spec:",
" containers:",
" - name: ${4:jobname}",
" image: ${5:busybox}",
" args: ['/bin/sh', '-c', '${6:date; echo Hello from the Kubernetes cluster}']",
" restartPolicy: OnFailure",
"---",
"$0"
]
},
"k8s Pod": {
"prefix": "k-pod",
"description": "k8s Pod",
"body": [
"# https://kubernetes.io/docs/concepts/workloads/pods/",
"apiVersion: v1",
"kind: Pod",
"metadata:",
" name: \"${1:myapp}\"",
" namespace: ${2:default}",
" labels:",
" annotations:",
" kubectl.kubernetes.io/default-container: ${1:myapp}",
" app: \"${1:myapp}\"",
"spec:",
" containers:",
" - name: ${1:myapp}",
" image: \"${3:debian-slim:latest}\"",
" resources:",
" limits:",
" cpu: 200m",
" memory: 500Mi",
" requests:",
" cpu: 100m",
" memory: 200Mi",
" env:",
" - name: DB_HOST",
" valueFrom:",
" configMapKeyRef:",
" name: myapp",
" key: DB_HOST",
" ports:",
" - containerPort: ${4:80}",
" name: http",
" volumeMounts:",
" - name: localtime",
" mountPath: /etc/localtime",
" volumes:",
" - name: localtime",
" hostPath:",
" path: /usr/share/zoneinfo/Asia/Taipei",
" restartPolicy: Always",
"---",
"$0"
]
},
"k8s PersistentVolumeClaim": {
"prefix": "k-pvc",
"description": "k8s PersistentVolumeClaim",
"body": [
"# https://kubernetes.io/docs/concepts/storage/persistent-volumes/",
"apiVersion: v1",
"kind: PersistentVolumeClaim",
"metadata:",
" name: ${1:myapp}",
" namespace: ${2:default}",
" labels:",
" app: ${1:myapp}",
"spec:",
" # AKS: default,managed-premium",
" # GKE: standard",
" # EKS: gp2 (custom)",
" # Rook: rook-ceph-block,rook-ceph-fs",
" storageClassName: ${3|default,managed-premium,standard,gp2,rook-ceph-block,rook-ceph-fs|}",
" accessModes:",
" - ${4|ReadWriteOnce,ReadWriteMany,ReadOnlyMany|}",
" resources:",
" requests:",
" storage: ${5:2Gi}",
"---",
"$0"
]
},
"k8s DaemonSet": {
"prefix": "k-daemonset",
"description": "k8s DaemonSet",
"body": [
"# https://kubernetes.io/docs/concepts/workloads/controllers/daemonset/",
"apiVersion: apps/v1",
"kind: DaemonSet",
"metadata:",
" name: ${1:myapp}",
" namespace: ${2:default}",
" labels:",
" app: ${1:myapp}",
"spec:",
" selector:",
" matchLabels:",
" app: ${1:myapp}",
" template:",
" metadata:",
" annotations:",
" kubectl.kubernetes.io/default-container: ${1:myapp}",
" labels:",
" app: ${1:myapp}",
" spec:",
" tolerations:",
" # this toleration is to have the daemonset runnable on master nodes",
" # remove it if your masters can't run pods",
" - key: node-role.kubernetes.io/master",
" effect: NoSchedule",
" containers:",
" - name: ${1:myapp}",
" image: ${3:debian}",
" resources:",
" limits:",
" memory: 200Mi",
" requests:",
" cpu: 100m",
" memory: 200Mi",
" volumeMounts:",
" - name: localtime",
" mountPath: /etc/localtime",
" terminationGracePeriodSeconds: 30",
" volumes:",
" - name: localtime",
" hostPath:",
" path: /usr/share/zoneinfo/Asia/Taipei",
"---",
"$0"
]
},
"k8s StatefulSet": {
"prefix": "k-statefulset",
"description": "k8s StatefulSet",
"body": [
"# https://kubernetes.io/docs/concepts/workloads/controllers/statefulset/",
"apiVersion: apps/v1",
"kind: StatefulSet",
"metadata:",
" name: ${1:myapp}",
" namespace: ${2:default}",
"spec:",
" selector:",
" matchLabels:",
" app: ${1:myapp} # has to match .spec.template.metadata.labels",
" serviceName: \"${1:myapp}\"",
" replicas: ${3:3} # by default is 1",
" template:",
" metadata:",
" annotations:",
" kubectl.kubernetes.io/default-container: ${1:myapp}",
" labels:",
" app: ${1:myapp} # has to match .spec.selector.matchLabels",
" spec:",
" terminationGracePeriodSeconds: 10",
" containers:",
" - name: ${1:myapp}",
" image: ${4:${1:myapp}-slim:1.16.1}",
" ports:",
" - containerPort: ${5:80}",
" name: ${1:myapp}",
" volumeMounts:",
" - name: ${6:www}",
" mountPath: /usr/share/nginx/html",
" volumeClaimTemplates:",
" - metadata:",
" name: ${6:www}",
" spec:",
" storageClassName: ${7:my-storage-class}",
" accessModes:",
" - ${8|ReadWriteOnce,ReadWriteMany,ReadOnlyMany|}",
" resources:",
" requests:",
" storage: ${9:1Gi}",
"---",
"$0"
]
}
}