cn

Kaniko cache

steps:
- name: 'gcr.io/kaniko-project/executor:latest'
  args:
  - --destination=gcr.io/$PROJECT_ID/image
  - --cache=true
  - --cache-ttl=XXh

By studyk8s 0 Comments

Argo CD Notifications Webhook

本质上，发送 webhook要比 发送 gmail 邮件更简单，这里我们沿用之前的trigger

trigger使用argocd上annotation和service绑定，然后再通过configmap和template绑定

trigger <- argocd annotation -> service

trigger <- configmap setting -> template

context

argocdUrl: "https://192.168.194.213:8000"

service.email.gmail

username: xxxxxxxx@gmail.com
password: xxxxxxxx
host: smtp.gmail.com
port: 465
from: xxxxxxxx@gmail.com

service.webhook.mywebhook

url: http://192.168.194.213:30001/deploy
headers:
- name: Content-Type
  value: application/json

template.app-sync-succeeded

email:
  subject: App Synced New version of an application {{.app.metadata.name}} is up and running.
message: |
  Application {{.app.metadata.name}} is now running new version of deployments manifests.

template.my-json-data

webhook:
  mywebhook:
    method: POST
    body: |
      {
        "name": "helloworld"
      }

trigger.on-sync-succeeded

- description: Test
  oncePer: app.status.operationState.syncResult.revision
  send:
  - app-sync-succeeded
  - my-json-data
  when: app.status.operationState.phase in ['Succeeded'] and app.status.health.status == 'Healthy'

apiVersion: v1
data:
  context: 'argocdUrl: "https://192.168.194.213:8000"'
  service.email.gmail: |-
    username: xxxxxxx@gmail.com
    password: xxxxxxx
    host: smtp.gmail.com
    port: 465
    from: xxxxxxx@gmail.com
  service.webhook.mywebhook: |-
    url: http://192.168.194.213:30001/deploy
    headers:
    - name: Content-Type
      value: application/json
  template.app-sync-succeeded: |-
    email:
      subject: App Synced New version of an application {{.app.metadata.name}} is up and running.
    message: |
      Application {{.app.metadata.name}} is now running new version of deployments manifests.
  template.my-json-data: |-
    webhook:
      mywebhook:
        method: POST
        body: |
          {
            "name": "helloworld"
          }
  trigger.on-sync-succeeded: |-
    - description: Test
      oncePer: app.status.operationState.syncResult.revision
      send:
      - app-sync-succeeded
      - my-json-data
      when: app.status.operationState.phase in ['Succeeded'] and app.status.health.status == 'Healthy'
kind: ConfigMap
metadata:
  annotations:
    meta.helm.sh/release-namespace: argocd
  creationTimestamp: "2021-08-03T06:44:27Z"
  labels:
    app.kubernetes.io/managed-by: Helm
    app.kubernetes.io/name: argocd-notifications
    app.kubernetes.io/version: 1.1.1
    helm.sh/chart: argocd-notifications-1.4.1
  name: argocd-notifications-cm
  namespace: argocd

本例中的webhook接口是json的

notifications.argoproj.io/subscribe.on-sync-succeeded.mywebhook
By studyk8s 0 Comments

Argo CD Notifications Gmail

context

argocdUrl: "<https://192.168.194.213:8000>"


service.email.gmail

username: xxxxxxx@gmail.com
password: xxxxxxxxx
host: smtp.gmail.com
port: 465
from: xxxxxxx@gmail.com

template.app-sync-succeeded

email:
  subject: App Synced New version of an application {{.app.metadata.name}} is up and running.
message: |
  Application {{.app.metadata.name}} is now running new version of deployments manifests.

trigger.on-sync-succeeded

- description: Test
  oncePer: app.status.operationState.syncResult.revision
  send:
  - app-sync-succeeded
  when: app.status.operationState.phase in ['Succeeded'] and app.status.health.status == 'Healthy'


apiVersion: v1
data:
  context: 'argocdUrl: "https://192.168.194.213:8000"'
  service.email.gmail: |-
    username: xxxxxxx@gmail.com
    password: xxxxxxx
    host: smtp.gmail.com
    port: 465
    from: xxxxxxx@gmail.com
  template.app-sync-succeeded: |-
    email:
      subject: App Synced New version of an application {{.app.metadata.name}} is up and running.
    message: |
      Application {{.app.metadata.name}} is now running new version of deployments manifests.
  trigger.on-sync-succeeded: |-
    - description: Test
      oncePer: app.status.operationState.syncResult.revision
      send:
      - app-sync-succeeded
      when: app.status.operationState.phase in ['Succeeded'] and app.status.health.status == 'Healthy'
kind: ConfigMap
metadata:
  annotations:
    meta.helm.sh/release-namespace: argocd
  labels:
    app.kubernetes.io/managed-by: Helm
    app.kubernetes.io/name: argocd-notifications
    app.kubernetes.io/version: 1.1.1
    helm.sh/chart: argocd-notifications-1.4.1
  name: argocd-notifications-cm
  namespace: argocd
By studyk8s 0 Comments

Argo CD Notifications install

参考

https://argocd-notifications.readthedocs.io/en/latest/

使用helm3

创建 values.yaml文件

argocdUrl: https://argocd.example.com

notifiers:
  service.email.gmail: |
    username: $email-username
    password: $email-password
    host: smtp.gmail.com
    port: 465
    from: $email-username

secret:
  items:
    email-username: <your-username>
    email-password: <your-password>

templates:
  template.app-deployed: |
    email:
      subject: New version of an application {{.app.metadata.name}} is up and running.
    message: |
      {{if eq .serviceType "slack"}}:white_check_mark:{{end}} Application {{.app.metadata.name}} is now running new version of deployments manifests.
triggers:
  trigger.on-deployed: |
    - description: Application is synced and healthy. Triggered once per commit.
      oncePer: app.status.operationState.syncResult.revision
      send:
      - app-deployed
      when: app.status.operationState.phase in ['Succeeded'] and app.status.health.status == 'Healthy'

安装

helm repo add argo https://argoproj.github.io/argo-helm
helm install argo/argocd-notifications --generate-name -n argocd -f values.yaml

安装结束后会得到

这里可以查看pod的 log 方便 debug

主要配置文件在

By studyk8s 0 Comments

Buildkit daemonless.sh

除了kaniko， buildkit 的 daemonless 模式也可以用来在没有 守护进程的情况下来构建镜像

直接上 workflow template 例子

先配置 github权限

apiVersion: v1
data:
  password: xxxxxxxxx (base64)
  username: xxxxxxxxx (base64)
kind: Secret
metadata:
  name: github-creds
  namespace: default
type: Opaque

再配置dockerhub权限

export DOCKER_USERNAME=******
export DOCKER_TOKEN=******
kubectl create secret generic docker-config --from-literal="config.json={\"auths\": {\"https://index.docker.io/v1/\": {\"auth\": \"$(echo -n $DOCKER_USERNAME:$DOCKER_TOKEN|base64)\"}}}" -n argo

workflow template

# Build and push an image using Docker Buildkit. This does not need privileged access, unlike Docker in Docker (DIND).
#
# Publishing images requires an access token. For hub.docker.com you can create one at https://hub.docker.com/settings/security
# This needs to be mounted as `$DOCKER_CONFIG/config.json`. To do this, you'll need to create a secret as follows:
#
#   export DOCKER_USERNAME=******
#   export DOCKER_TOKEN=******
#   kubectl create secret generic docker-config --from-literal="config.json={\"auths\": {\"https://index.docker.io/v1/\": {\"auth\": \"$(echo -n $DOCKER_USERNAME:$DOCKER_TOKEN|base64)\"}}}"
#
#  Read more:
#
#     * https://github.com/moby/buildkit#expose-buildkit-as-a-tcp-service
#     * https://blog.alexellis.io/building-containers-without-docker/
#     * https://hub.docker.com/r/moby/buildkit
apiVersion: argoproj.io/v1alpha1
kind: WorkflowTemplate
metadata:
  name: buildkit
  namespace: argo
  annotations:
    workflows.argoproj.io/description: |
      Build and push an image using Docker Buildkit. This does not need privileged access, unlike Docker in Docker (DIND).
    workflows.argoproj.io/maintainer: '@alexec'
    workflows.argoproj.io/tags: buildkit
    workflows.argoproj.io/version: '>= 2.9.0'
spec:
  templates:
    - name: clean
      container:
        name: ''
        image: k8s.gcr.io/busybox
        imagePullPolicy: IfNotPresent
        command:
          - /bin/sh
        args:
          - '-c'
          - 'rm -rf /work/*'
        workingDir: /work
        volumeMounts:
          - name: work
            mountPath: /work
    - name: clone
      inputs:
        parameters:
          - name: repo
          - name: branch
        artifacts:
        - name: argo-source
          path: /src
          git:
            repo: '{{inputs.parameters.repo}}'
            revision: '{{inputs.parameters.branch}}'
            usernameSecret:
              name: github-creds
              key: username
            passwordSecret:
              name: github-creds
              key: password
      container:
        image: k8s.gcr.io/busybox
        command:
          - /bin/sh
        args:
          - '-c'
          - cp -rf /src/. /work/ && ls /work
        workingDir: /src
        volumeMounts:
          - name: work
            mountPath: /work
    - name: image
      inputs:
        parameters:
          - name: image
      # Mount the configuration so we can push the image.
      # This should create the /.docker/config.json file.
      volumes:
        - name: docker-config
          secret:
            secretName: docker-config
      container:
        image: moby/buildkit:v0.7.2
        volumeMounts:
          - name: work
            mountPath: /work
          - name: docker-config
            mountPath: /.docker
        workingDir: /work
        env:
          # - name: BUILDKITD_FLAGS
          #   value: --oci-worker-no-process-sandbox
          - name: DOCKER_CONFIG
            value: /.docker
        command:
          - buildctl-daemonless.sh
        securityContext:
          privileged: true
        args:
          # - --addr 
          # - kube-pod://buildkitd
          - build
          - --frontend
          - dockerfile.v0
          - --local
          - context=.
          - --local
          - dockerfile=.
          - --output
          - type=image,name=docker.io/{{inputs.parameters.image}},push=true
        # command: ["buildctl-daemonless.sh", "--debug",
        #       "--addr",
        #       "kube-pod://buildkitd",
        #       "build",
        #       "--progress=plain",
        #       "--frontend=dockerfile.v0",
        #       "--local", "context=.", "--local", "dockerfile=.",
        #       "--output", "type=image,name=docker.io/{{inputs.parameters.image}},push=true"]

# buildctl --addr kube-pod://buildkitd build --frontend dockerfile.v0 --local context=. --local dockerfile=. --output - type=image,name=docker.io/{{inputs.parameters.image}},push=false
By studyk8s 0 Comments

Tekton cleaner

核心命令行是

kubectl get pipelinerun -o jsonpath='{range .items[?(@.status.completionTime)]}{.status.completionTime}{" "}{.metadata.name}{"\n"}{end}' -n lizhe

使用cronjob

---
apiVersion: v1
kind: ServiceAccount
metadata:
  name: cleaner
  namespace: lizhe
---
kind: Role
apiVersion: rbac.authorization.k8s.io/v1
metadata:
  name: cleaner
  namespace: lizhe
rules:
  - apiGroups: ["tekton.dev"]
    resources: ["pipelineruns"]
    verbs: ["delete", "get", "watch", "list"]
---
kind: RoleBinding
apiVersion: rbac.authorization.k8s.io/v1
metadata:
  name: cleaner-to-cleaner
  namespace: lizhe
roleRef:
  kind: Role
  name: cleaner
  apiGroup: rbac.authorization.k8s.io
subjects:
  - kind: ServiceAccount
    name: cleaner
---
apiVersion: batch/v1beta1
kind: CronJob
metadata:
  name: cleanup-pipelineruns
  namespace: lizhe
spec:
  successfulJobsHistoryLimit: 5
  failedJobsHistoryLimit: 5
  schedule: "*/30 * * * *"
  concurrencyPolicy: Forbid
  jobTemplate:
    spec:
      template:
        spec:
          restartPolicy: OnFailure
          serviceAccount: cleaner
          containers:
            - name: kubectl
              image: libaibai/kubectl
              env:
                - name: NUM_TO_KEEP
                  value: "3"
              command:
                - /bin/bash
                - -c
                - |
                    TO_DELETE="$(kubectl get pipelinerun -o jsonpath='{range .items[?(@.status.completionTime)]}{.status.completionTime}{" "}{.metadata.name}{"\n"}{end}' -n lizhe | sort | head -n -${NUM_TO_KEEP} | awk '{ print $2}')"
                    test -n "$TO_DELETE" && kubectl delete pipelinerun ${TO_DELETE} || true

此脚本会

  1. 每30分钟运行一次
  2. 只清理已经完成的 （失败或者成功）的pod
  3. 保留历史记录3个
  4. job 本身保留历史记录5个

以上参数都是可以配置的

使用的镜像没有特殊要求，只要能提供 kubectl 就可以了，因为使用的是 RBAC 所以也不需要额外的 config

可以使用下面的镜像构建

FROM ubuntu
RUN apt update -y && apt install -y curl
WORKDIR /
RUN curl -LO "https://dl.k8s.io/release/$(curl -L -s https://dl.k8s.io/release/stable.txt)/bin/linux/amd64/kubectl"
RUN chmod 777 /kubectl
RUN cp /kubectl /usr/local/bin
By studyk8s 0 Comments

Tekton CICD demo 5

参考

https://github.com/tektoncd/triggers/tree/main/examples

https://www.arthurkoziel.com/tutorial-tekton-triggers-with-github-integration/

本例中将设置一个trigger，用来从 github 触发构建

首先创建 rbac, 这里官网的 rbac我没有跑通，所以偷个懒直接给了 cluster 级别的 admin 权限

apiVersion: v1
kind: ServiceAccount
metadata:
  name: tekton-triggers-lizhe-sa
  namespace: lizhe
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
  name: tekton-triggers-lizhe-sa-binding
roleRef:
  apiGroup: rbac.authorization.k8s.io
  kind: ClusterRole
  name: cluster-admin
subjects:
  - kind: ServiceAccount
    name: tekton-triggers-lizhe-sa
    namespace: lizhe

官方文档里给出需要一个 github 的 secret token，不过实际上我没有用上，因为我是 secret + service account 绑定的，不过还是列在这里仅供参考

==================参考项目开始======================

apiVersion: v1
kind: Secret
metadata:
  name: github-secret
type: Opaque
stringData:
  secretToken: "123456"

在 your profile 中，找到 developer settings

==================参考项目结束======================

创建binding ，实际上binding 并不是用来绑定什么，而更像是用来传递参数的

不过这里我没用参数，所以都注释掉了，之所以留下helloworld 是因为如果一个参数都不写的话，dashboard会报错

apiVersion: triggers.tekton.dev/v1alpha1
kind: TriggerBinding
metadata:
  name: github-pr-binding
  namespace: lizhe
spec:
  params:
    - name: hello
    - value: world
    # - name: gitrepositoryurl
    #   value: https://github.com/zl86790/tektongolang.git
    # - name: gitrevision
    #   value: master

创建 trigger template

apiVersion: triggers.tekton.dev/v1beta1
kind: TriggerTemplate
metadata:
  name: pipeline-template
  namespace: lizhe
spec:
  params:
  - name: hello
    description: useless param
    default: world
  # - name: gitrevision
  #   description: The git revision
  #   default: master
  # - name: gitrepositoryurl
  #   description: The git repository url
  resourcetemplates:
    - apiVersion: tekton.dev/v1beta1
      kind: PipelineRun
      metadata:
        generateName: pipeline-demo-run-
        namespace: lizhe
      spec:
        serviceAccountName: build-bot-sa
        pipelineRef:
          name: pipeline-demo
        resources:
          - name: source-repo
            resourceRef:
              name: tektongolang-git
          - name: tektongolang-image
            resourceRef:
              name: tektongolang-image
          - name: dep-repo
            resourceRef:
              name: tektongolang-dep-git
        workspaces:
          - name: build-workspace # this workspace name must be declared in the Pipeline
            volumeClaimTemplate:
              spec:
                storageClassName: "local-path"
                accessModes:
                  - ReadWriteOnce # access mode may affect how you can use this volume in parallel tasks
                resources:
                  requests:
                    storage: 1Gi

这里如果你不像上面那样使用 resourceRef，就可以通过参数来构建 git repo, tt 指的是 trigger template，是内置的

      spec:
        pipelineRef:
          name: github-pr-pipeline
        resources:
          - name: source
            resourceSpec:
              type: git
              params:
                - name: revision
                  value: $(tt.params.gitrevision)
                - name: url
                  value: $(tt.params.gitrepositoryurl)

最后通过 eventlistener 把 trigger template 和 triggerbinding 绑定在一起

apiVersion: triggers.tekton.dev/v1alpha1
kind: EventListener
metadata:
  name: github-pr
  namespace: lizhe
spec:
  serviceAccountName: tekton-triggers-lizhe-sa
  triggers:
    - name: github-listener
      interceptors:
      #   - ref:
      #       name: "github"
      #     params:
      #       - name: "secretRef"
      #         value:
      #           secretName: github-secret
      #           secretKey: secretToken
      #       - name: "eventTypes"
      #         value: ["pull_request"]
        - ref:
            name: "cel"
          params:
            - name: "filter"
              value: "body.action in ['opened', 'synchronize', 'reopened','closed']"
      bindings:
        - ref: github-pr-binding
      template:
        ref: pipeline-template

这里的 interceptor 用来过滤 webhook 的request，例如这里写到 body.action 有4种，那么我们使用的request为

{
  "action": "closed",
  "number": 1,
  "pull_request": {
    "url": "https://api.github.com/repos/zl86790/tektongolang/pulls/1",
    "id": 700932179,
    "node_id": "MDExOlB1bGxSZXF1ZXN0NzAwOTMyMTc5",
    "html_url": "https://github.com/zl86790/tektongolang/pull/1",
    "diff_url": "https://github.com/zl86790/tektongolang/pull/1.diff",
    "patch_url": "https://github.com/zl86790/tektongolang/pull/1.patch",
    "issue_url": "https://api.github.com/repos/zl86790/tektongolang/issues/1",
    "number": 1,
    "state": "closed",
    "locked": false,
    "title": "Update helloworld.txt",
    "user": {
      "login": "zl86790",
      "id": 18146284,
      "node_id": "MDQ6VXNlcjE4MTQ2Mjg0",
      "avatar_url": "https://avatars.githubusercontent.com/u/18146284?v=4",
      "gravatar_id": "",
      "url": "https://api.github.com/users/zl86790",
      "html_url": "https://github.com/zl86790",
      "followers_url": "https://api.github.com/users/zl86790/followers",
      "following_url": "https://api.github.com/users/zl86790/following{/other_user}",
      "gists_url": "https://api.github.com/users/zl86790/gists{/gist_id}",
      "starred_url": "https://api.github.com/users/zl86790/starred{/owner}{/repo}",
      "subscriptions_url": "https://api.github.com/users/zl86790/subscriptions",
      "organizations_url": "https://api.github.com/users/zl86790/orgs",
      "repos_url": "https://api.github.com/users/zl86790/repos",
      "events_url": "https://api.github.com/users/zl86790/events{/privacy}",
      "received_events_url": "https://api.github.com/users/zl86790/received_events",
      "type": "User",
      "site_admin": false
    },
    "body": "",
    "created_at": "2021-08-01T15:34:25Z",
    "updated_at": "2021-08-01T15:34:33Z",
    "closed_at": "2021-08-01T15:34:33Z",
    "merged_at": "2021-08-01T15:34:33Z",
    "merge_commit_sha": "b91a315e0f44b30898c0072021984fd9fd0479a5",
    "assignee": null,
    "assignees": [

    ],
    "requested_reviewers": [

    ],
    "requested_teams": [

    ],
    "labels": [

    ],
    "milestone": null,
    "draft": false,
    "commits_url": "https://api.github.com/repos/zl86790/tektongolang/pulls/1/commits",
    "review_comments_url": "https://api.github.com/repos/zl86790/tektongolang/pulls/1/comments",
    "review_comment_url": "https://api.github.com/repos/zl86790/tektongolang/pulls/comments{/number}",
    "comments_url": "https://api.github.com/repos/zl86790/tektongolang/issues/1/comments",
    "statuses_url": "https://api.github.com/repos/zl86790/tektongolang/statuses/7c0ede4fbdb7859c375f49002534b95af18dac18",
    "head": {
      "label": "zl86790:feature-1",
      "ref": "feature-1",
      "sha": "7c0ede4fbdb7859c375f49002534b95af18dac18",
      "user": {
        "login": "zl86790",
        "id": 18146284,
        "node_id": "MDQ6VXNlcjE4MTQ2Mjg0",
        "avatar_url": "https://avatars.githubusercontent.com/u/18146284?v=4",
        "gravatar_id": "",
        "url": "https://api.github.com/users/zl86790",
        "html_url": "https://github.com/zl86790",
        "followers_url": "https://api.github.com/users/zl86790/followers",
        "following_url": "https://api.github.com/users/zl86790/following{/other_user}",
        "gists_url": "https://api.github.com/users/zl86790/gists{/gist_id}",
        "starred_url": "https://api.github.com/users/zl86790/starred{/owner}{/repo}",
        "subscriptions_url": "https://api.github.com/users/zl86790/subscriptions",
        "organizations_url": "https://api.github.com/users/zl86790/orgs",
        "repos_url": "https://api.github.com/users/zl86790/repos",
        "events_url": "https://api.github.com/users/zl86790/events{/privacy}",
        "received_events_url": "https://api.github.com/users/zl86790/received_events",
        "type": "User",
        "site_admin": false
      },
      "repo": {
        "id": 390909760,
        "node_id": "MDEwOlJlcG9zaXRvcnkzOTA5MDk3NjA=",
        "name": "tektongolang",
        "full_name": "zl86790/tektongolang",
        "private": true,
        "owner": {
          "login": "zl86790",
          "id": 18146284,
          "node_id": "MDQ6VXNlcjE4MTQ2Mjg0",
          "avatar_url": "https://avatars.githubusercontent.com/u/18146284?v=4",
          "gravatar_id": "",
          "url": "https://api.github.com/users/zl86790",
          "html_url": "https://github.com/zl86790",
          "followers_url": "https://api.github.com/users/zl86790/followers",
          "following_url": "https://api.github.com/users/zl86790/following{/other_user}",
          "gists_url": "https://api.github.com/users/zl86790/gists{/gist_id}",
          "starred_url": "https://api.github.com/users/zl86790/starred{/owner}{/repo}",
          "subscriptions_url": "https://api.github.com/users/zl86790/subscriptions",
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    "has_pages": false,
    "forks_count": 0,
    "mirror_url": null,
    "archived": false,
    "disabled": false,
    "open_issues_count": 0,
    "license": null,
    "forks": 0,
    "open_issues": 0,
    "watchers": 0,
    "default_branch": "master"
  },
  "sender": {
    "login": "zl86790",
    "id": 18146284,
    "node_id": "MDQ6VXNlcjE4MTQ2Mjg0",
    "avatar_url": "https://avatars.githubusercontent.com/u/18146284?v=4",
    "gravatar_id": "",
    "url": "https://api.github.com/users/zl86790",
    "html_url": "https://github.com/zl86790",
    "followers_url": "https://api.github.com/users/zl86790/followers",
    "following_url": "https://api.github.com/users/zl86790/following{/other_user}",
    "gists_url": "https://api.github.com/users/zl86790/gists{/gist_id}",
    "starred_url": "https://api.github.com/users/zl86790/starred{/owner}{/repo}",
    "subscriptions_url": "https://api.github.com/users/zl86790/subscriptions",
    "organizations_url": "https://api.github.com/users/zl86790/orgs",
    "repos_url": "https://api.github.com/users/zl86790/repos",
    "events_url": "https://api.github.com/users/zl86790/events{/privacy}",
    "received_events_url": "https://api.github.com/users/zl86790/received_events",
    "type": "User",
    "site_admin": false
  }
}

通过端口映射就可以使用 postman 来 dummy webhook了

访问dashboard

kubectl --namespace tekton-pipelines port-forward svc/tekton-dashboard 9097:9097

访问trigger

kubectl port-forward --address 0.0.0.0 service/el-github-pr 8080 -n lizhe

最后是截屏

By studyk8s 0 Comments

Tekton Trigger

安装

kubectl apply --filename https://storage.googleapis.com/tekton-releases/triggers/latest/release.yaml
kubectl apply --filename https://storage.googleapis.com/tekton-releases/triggers/latest/interceptors.yaml
By studyk8s 0 Comments

Tekton CICD demo 4

这一章中，我们会添加一个 task，并且使用它来根据commitid更新 github 中的 yaml 文件

这里使用的是 https://github.com/zl86790/tektongolang_dep.git

要部署的镜像是 libaibai/tektongolang:mockup_tag_name

要用来替换 yaml 的镜像是 libaibai/kanikosed

来看部署用的yaml文件

apiVersion: apps/v1
kind: Deployment
metadata:
 name: tektongolang
 namespace: tektongolang
spec:
 selector:
  matchLabels:
   app: tektongolang
 replicas: 2
 template:
  metadata:
   labels:
    app: tektongolang
  spec:
   containers:
   - name: tektongolang
     image: mockup_tag_name
     ports:
     - containerPort: 9090

使用下面内容创建一个新镜像

libaibai/kanikosed

Dockerfile

FROM ubuntu
RUN apt update -y && apt install -y git
COPY main.sh /main.sh
CMD [ "/bin/bsh" ]

main.sh

#!/bin/bash

git config --global user.email $USER_EMAIL
git config --global user.name $USER_NAME

dep_repo=$1
dep_yaml=$2

build_repo=$3
build_commitid=$4

echo $USER_NAME
echo $USER_EMAIL
echo $dep_repo
echo $dep_yaml
echo $build_repo
echo $build_commitid

ls $dep_repo
echo "================="
ls $build_repo

cat $build_repo/$build_commitid
cat $dep_repo/$dep_yaml

cat $build_repo/$build_commitid | xargs -i sed -i 's/:[0-9A-Za-z]\{40,40\}$/:{}/' $dep_repo/$dep_yaml
cat $build_repo/$build_commitid | xargs -i sed -i 's/:mockup_tag_name/:{}/' $dep_repo/$dep_yaml
cat $dep_repo/$dep_yaml

cd $dep_repo && git add ./*
cd $dep_repo && cat $build_repo/$build_commitid | xargs -i git commit -m {} ./*
cd $dep_repo && git push origin HEAD:master --force

创建 input resource，关联到部署git仓库

apiVersion: tekton.dev/v1alpha1
kind: PipelineResource
metadata:
  name: tektongolang-dep-git
  namespace: lizhe
spec:
  type: git
  params:
    - name: revision
      value: master
    - name: url
      value: https://github.com/zl86790/tektongolang_dep.git

我们来创建 sed task

注意这里使用了刚刚创建的 自定义 docker image

apiVersion: tekton.dev/v1beta1
kind: Task
metadata:
  name: sed-commitid
  namespace: lizhe
spec:
  resources:
    inputs:
      - name: dep-source
        type: git
  steps:
    - name: sed-commitid
      image: libaibai/kanikosed
      env:
        - name: "DOCKER_CONFIG"
          value: "/tekton/home/.docker/"
        - name: "USER_NAME"
          value: "lizhe"
        - name: "USER_EMAIL"
          value: "lizhe@lizhe.name"
      command: ["/bin/bash", "-c", "/main.sh /workspace/dep-source tektongolang_dep.yaml /workspace/git-source commitid.txt"]
  workspaces:
    - name: build-workspace
      description: |
        The folder where will be shared among the tasks
      optional: false
      mountPath: /workspace

修改 pipeline 文件

apiVersion: tekton.dev/v1beta1
kind: Pipeline
metadata:
  name: pipeline-demo
  namespace: lizhe
spec:
  resources:
    - name: source-repo
      type: git
    - name: tektongolang-image
      type: image
    - name: dep-repo
      type: git
  workspaces:
    - name: build-workspace
  tasks:
    - name: git-commitid
      taskRef:
        name: get-commitid
      resources:
        inputs:
          - name: git-source
            resource: source-repo
      workspaces:
        - name: build-workspace
          workspace: build-workspace
    - name: build-img
      runAfter: [git-commitid]
      taskRef:
        name: build-img
      resources:
        outputs:
          - name: builtImage
            resource: tektongolang-image
      workspaces:
        - name: build-workspace
          workspace: build-workspace
    - name: sed-commitid
      runAfter: [build-img]
      taskRef:
        name: sed-commitid
      resources:
        inputs:
          - name: dep-source
            resource: dep-repo
      workspaces:
        - name: build-workspace
          workspace: build-workspace

修改pipeline run

apiVersion: tekton.dev/v1beta1
kind: PipelineRun
metadata:
  name: pipeline-demo-run
  namespace: lizhe
spec:
  serviceAccountName: build-bot-sa
  pipelineRef:
    name: pipeline-demo
  resources:
    - name: source-repo
      resourceRef:
        name: tektongolang-git
    - name: tektongolang-image
      resourceRef:
        name: tektongolang-image
    - name: dep-repo
      resourceRef:
        name: tektongolang-dep-git
  workspaces:
    - name: build-workspace # this workspace name must be declared in the Pipeline
      volumeClaimTemplate:
        spec:
          storageClassName: "local-path"
          accessModes:
            - ReadWriteOnce # access mode may affect how you can use this volume in parallel tasks
          resources:
            requests:
              storage: 1Gi

然后就可以看到 触发了构建

第一步是下载项目代码

然后通过 获得的 commitid 构建docker image

最后根据 commitid 修改 deploy 的 yaml 文件

这里先使用了一个新的 resource git inputs ，然后使用自定义镜像进行sed

项目代码仓库里的 commitid

docker仓库中push的image

最后是 deploy git仓库中的 yaml 文件

By studyk8s 0 Comments
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