[Book] [OK!] GitOps Cookbook: 07. Argo CD: 7.1 Deploy an Application Using Argo CD


Задача:
С помощью Argo CD задеплоить приложение из git


Делаю:
2025.12.03


// Смотрим актуальную версию API
$ kubectl api-resources | grep Application
applications                        app,apps           argoproj.io/v1alpha1              true         Application
applicationsets                     appset,appsets     argoproj.io/v1alpha1              true         ApplicationSet



$ cat << 'EOF' | kubectl create -f -
apiVersion: argoproj.io/v1alpha1
kind: Application
metadata:
  name: bgd-app
  namespace: argocd
spec:
  destination:
    namespace: bgd
    server: https://kubernetes.default.svc
  project: default
  source:
    repoURL: https://github.com/wildmakaka/gitops-cookbook-sc.git
    path: ch07/bgd
    targetRevision: main
EOF



$ argocd app list
NAME            CLUSTER                         NAMESPACE  PROJECT  STATUS     HEALTH   SYNCPOLICY  CONDITIONS  REPO                                                  PATH      TARGET
argocd/bgd-app  https://kubernetes.default.svc  bgd        default  OutOfSync  Missing  <none>      <none>      https://github.com/wildmakaka/gitops-cookbook-sc.git  ch07/bgd  main




$ argocd app sync bgd-app
TIMESTAMP                  GROUP        KIND   NAMESPACE                  NAME    STATUS    HEALTH        HOOK  MESSAGE
2025-12-03T23:47:26+03:00          Namespace                               bgd  OutOfSync  Missing
2025-12-03T23:47:26+03:00            Service         bgd                   bgd  OutOfSync  Missing
2025-12-03T23:47:26+03:00   apps  Deployment         bgd                   bgd  OutOfSync  Missing
2025-12-03T23:47:26+03:00          Namespace                               bgd    Synced  Missing
2025-12-03T23:47:26+03:00            Service         bgd                   bgd    Synced  Healthy
2025-12-03T23:47:26+03:00          Namespace         bgd                   bgd   Running    Synced              namespace/bgd created
2025-12-03T23:47:26+03:00            Service         bgd                   bgd    Synced   Healthy              service/bgd created
2025-12-03T23:47:26+03:00   apps  Deployment         bgd                   bgd  OutOfSync  Missing              deployment.apps/bgd created

Name:               argocd/bgd-app
Project:            default
Server:             https://kubernetes.default.svc
Namespace:          bgd
URL:                https://argocd.example.com/applications/bgd-app
Source:
- Repo:             https://github.com/wildmakaka/gitops-cookbook-sc.git
  Target:           main
  Path:             ch07/bgd
SyncWindow:         Sync Allowed
Sync Policy:        Manual
Sync Status:        Synced to main (3e63da1)
Health Status:      Progressing

Operation:          Sync
Sync Revision:      3e63da1e346378754db5c071be1604fcdb64c499
Phase:              Succeeded
Start:              2025-12-03 23:47:26 +0300 MSK
Finished:           2025-12-03 23:47:26 +0300 MSK
Duration:           0s
Message:            successfully synced (all tasks run)

GROUP  KIND        NAMESPACE  NAME  STATUS   HEALTH       HOOK  MESSAGE
       Namespace   bgd        bgd   Running  Synced             namespace/bgd created
       Service     bgd        bgd   Synced   Healthy            service/bgd created
apps   Deployment  bgd        bgd   Synced   Progressing        deployment.apps/bgd created



$ kubectl get pods -n bgd
NAME                 READY   STATUS    RESTARTS   AGE
bgd-547cbdc7-6twpw   1/1     Running   0          29s



$ minikube --profile ${PROFILE} ip
192.168.58.2



$ kubectl get services -n bgd
NAME   TYPE        CLUSTER-IP      EXTERNAL-IP   PORT(S)    AGE
bgd    ClusterIP   10.111.24.158   <none>        8080/TCP   60s



$ kubectl patch svc bgd -n bgd -p '{"spec": {"type": "NodePort"}}'



$ kubectl get services -n bgd
NAME   TYPE       CLUSTER-IP      EXTERNAL-IP   PORT(S)          AGE
bgd    NodePort   10.111.24.158   <none>        8080:30308/TCP   101s



// [OK!]
http://192.168.58.2:30308


Обновление


https://github.com/wildmakaka/gitops-cookbook-sc/blob/main/ch07/bgd/bgd-deployment.yaml

Меняю:

value: “blue” на “orange”

в

spec:
  containers:
    - image: quay.io/rhdevelopers/bgd:1.0.0
      name: bgd
      env:
        - name: COLOR
          value: 'blue'
      resources: {}



$ argocd app sync bgd-app



// [OK!]
http://192.168.58.2:30308



$ argocd app delete bgd-app