create argocd image updater

argocd-image-updater-readme

### Install ArgoCD Image Updater ###
kubectl apply -n argocd -f https://raw.githubusercontent.com/argoproj-labs/argocd-image-updater/stable/manifests/install.yaml

### Edit argocd-cm ###
data:
  # ...
  accounts.image-updater: apiKey

### Generate token untuk user image-updater pada argocd-server dan lakukan exec sh dan running command tersebut di dalam pods 

argocd login localhost:8080 —-username admin # lalu input password
argocd account generate-token --account image-updater --id image-updater

### Output Example : 8djsma1l100sdm2jy18sklasdkdh9asudjale281l31hfanasnbjgkacnva

### Copy dan encode ke base64
OGRqc21hMWwxMDBzZG0yankxOHNrbGFzZGtkaDlhc3VkamFsZTI4MWwzMWhmYW5hc25iamdrYWNudmE=


### Edit argocd-cm-rbac 

data:
 policy.csv:
    p, role:image-updater, applications, get, */*, allow
    p, role:image-updater, applications, update, */*, allow
    g, image-updater, role:image-updater



### Edit argocd-image-updater-config
data:
  applications_api: argocd
  # The address of Argo CD API endpoint
  argocd.server_addr: <FQDN or IP of your Argo CD server>
  # Whether to use GRPC-web protocol instead of GRPC over HTTP/2
  argocd.grpc_web: "true"
  # Whether to ignore invalid TLS cert from Argo CD API endpoint
  argocd.insecure: "true"
  # Whether to use plain text connection (http) instead of TLS (https)
  argocd.plaintext: "false"
  # https://argocd-image-updater.readthedocs.io/en/stable/basics/authentication/
  registries:
- name: Google Container Registry
  api_url: https://asia.gcr.io
  prefix: asia.gcr.io
  ping: yes
  credentials: pullsecret:argocd/image-pull-secret 

### Notes
### sesuaikan argocd.server_addr dengan hostname/fqdn pada cluster 


### Restart pods argocd-image-updater 
### Log output argocd image updater 
time="2022-09-21T06:58:26Z" level=info msg="Starting health probe server TCP port=8080"
time="2022-09-21T06:58:26Z" level=info msg="Starting metrics server on TCP port=8081"
time="2022-09-21T06:58:26Z" level=info msg="Warming up image cache"
time="2022-09-21T06:58:28Z" level=info msg="Finished cache warm-up, pre-loaded 1 meta data entries from 1 registries"
time="2022-09-21T06:58:28Z" level=info msg="Starting image update cycle, considering 1 annotated application(s) for update"
time="2022-09-21T06:58:28Z" level=info msg="Processing results: applications=1 images_considered=1 images_skipped=0 images_updated=0 errors=0"