Rancherのカスタムカタログの作成

リスト10：chart/repository/values.yaml（再掲）

repository:
        # Helmリポジトリのホスト名（FQDN）
        host: repository.web.ryoma0923.work
        # HelmリポジトリのDockerイメージリポジトリ
        image: registry.gitlab.com/fufuhu/ti_rancher_k8s_sampleapp/todo/repository
        # HelmリポジトリのDockerイメージタグ
  tag: latest

imageCredentials:
        # Dockerイメージのレジストリ
        registry: registry.gitlab.com
        # レジストリ認証用のユーザ名（今回は任意の文字列）
        username: registry_user
        # レジストリ認証用のユーザパスワード（機密情報なのでダミーの値）
        password: dummy

リスト15：カスタムカタログのDockerfile（chart/Dockerfile）

FROM nginx:1.15
# index.yamlをドキュメントルートに配置
COPY index.yaml /usr/share/nginx/html
# パッケージされたチャート（.tgzファイル）をドキュメントルートに配置
COPY *.tgz /usr/share/nginx/html/

リスト16：.gitlab-ci.yml

stages:
  - build
  - test
todoserver_image_build:
  stage: build
  image: docker:latest
  services:
    - docker:dind
  before_script:
    - docker login -u gitlab-ci-token -p $CI_JOB_TOKEN registry.gitlab.com
  script:
    - docker build -t registry.gitlab.com/fufuhu/ti_rancher_k8s_sampleapp/todo/server:latest server
    - docker push registry.gitlab.com/fufuhu/ti_rancher_k8s_sampleapp/todo/server:latest
  tags:
    - docker
# Rancherカスタムカタログのイメージのビルド
repository_image_build:
  stage: build
  image: docker:latest
  services:
    - docker:dind
  before_script:
    - docker login -u gitlab-ci-token -p $CI_JOB_TOKEN registry.gitlab.com
  script:
    - docker build -t registry.gitlab.com/fufuhu/ti_rancher_k8s_sampleapp/todo/repository:latest chart
    - docker push registry.gitlab.com/fufuhu/ti_rancher_k8s_sampleapp/todo/repository:latest
  tags:
    - docker
todoserver_test:
  stage: test
  image: registry.gitlab.com/fufuhu/ti_rancher_k8s_sampleapp/todo/server:latest
  script:
    - |
      cd server/sampleapp
      python manage.py test

リスト17：Rancherカスタムカタログチャートのデプロイ

$ helm install repository --name repository --set imageCredentials.password=xxxxxxxxx
NAME:   repository
LAST DEPLOYED: Mon Feb 25 01:17:23 2019
NAMESPACE: default
STATUS: DEPLOYED

RESOURCES:
==> v1/Pod(related)
NAME                                    READY  STATUS             RESTARTS  AGE
deployment-repository-676df4fcdc-x8s9w  0/1    ContainerCreating  0         0s

==> v1/Secret
NAME               TYPE                            DATA  AGE
secret-repository  kubernetes.io/dockerconfigjson  1     1s

==> v1/Service
NAME                TYPE       CLUSTER-IP    EXTERNAL-IP  PORT(S)  AGE
service-repository  ClusterIP  10.43.46.212  <none>       80/TCP   1s

==> v1/Deployment
NAME                   DESIRED  CURRENT  UP-TO-DATE  AVAILABLE  AGE
deployment-repository  1        1        1           0          1s

==> v1beta1/Ingress
NAME                HOSTS                          ADDRESS  PORTS  AGE
ingress-repository  repository.web.ryoma0923.work  80       1s

リスト18：index.yamlを取得することによる動作確認

$ curl http://repository.web.ryoma0923.work/index.yaml
apiVersion: v1
entries:
  repository:
  - apiVersion: v1
    appVersion: "1.0"
    created: 2019-02-25T01:22:12.389924848+09:00
    description: Helm chart repository
    digest: 648057532924dfab7ac0f92da0d400a46e16a13290360c4d7799d1ee7694e00c
    name: repository
    urls:
    - repository-0.1.0.tgz
    version: 0.1.0

リスト19：chartディレクトリ配下にサーバサイドアプリケーションのチャートを作成

$ cd chart
$ helm create todoserver

リスト20：chart/todoserver/Chart.yaml

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

リスト21：chart/todoserver/requirements.yaml

dependencies: []

リスト22：chart/todoserver/values.yaml

host: todo
domain: web.ryoma0923.work

todo:
  server:
    image: registry.gitlab.com/fufuhu/ti_rancher_k8s_sampleapp/todo/server
    tag: latest
    replicas: 1

リスト23：chart/todoserver/questions.yaml

questions:
- variable: imageCredentials.registry
  type: string
  label: "Image Registry domain"
  group: "Registry Information"
  description: "Image registry domain"
  default: registry.gitlab.com
- variable: imageCredentials.username
  type: string
  label: "Registry user name"
  group: "Registry Information"
  description: "Registry user name"
  default: registry_user
- variable: imageCredentials.password
  type: password
  label: "Registry user password"
  group: "Registry Information"
  description: "Registry user password"
- variable: host
  type: string
  label: "Domain host"
  group: "Domain information"
  description: "Host part of FQDN"
- variable: domain
  type: string
  label: "Domain"
  group: "Domain information"
  description: "Domain part of FQDN"
- variable: todo.server.image
  type: string
  label: "Todo server image repository"
  group: "Todo server image information"
  default: registry.gitlab.com/fufuhu/ti_rancher_k8s_sampleapp/todo/server
- variable: todo.server.tag
  type: string
  label: "Todo server image tag"
  group: "Todo server image information"
  default: latest
- variable: todo.server.replicas
  type: int
  label: "Todo server image replica number"
  group: "Todo server image information"
  default: 1

リスト24：chart/todoserver/questions.yaml（抜粋）

questions:
- variable: imageCredentials.registry
  type: string
  label: "Image Registry domain"
  group: "Registry Information"
  description: "Image registry domain"
  default: registry.gitlab.com
- variable: imageCredentials.username
  type: string
  label: "Registry user name"
  group: "Registry Information"
  description: "Registry user name"
  default: registry_user
- variable: imageCredentials.password
  type: password
  label: "Registry user password"
  group: "Registry Information"
  description: "Registry user password"