Helm/GitLab

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Revision as of 01:44, 27 August 2024 by Shahed (talk | contribs) (→‎Migration)
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helm repo add gitlab https://charts.gitlab.io
helm repo update && helm repo list
kubectl config get-contexts

Config

export KUBECONFIG="${HOME}/.kube/dev-kubeconfig.yaml"
export KUBECONFIG="${HOME}/.kube/gcp-kubeconfig.yaml"
export KUBECONFIG="${HOME}/.kube/config"

Install

kubectl delete namespace gitlab
cat << DDL | psql -U ${USER}
DROP DATABASE IF EXISTS gitlab;
DROP USER     IF EXISTS gitlab;
DDL

cat << DDL | psql -U ${USER}
CREATE DATABASE gitlab;
CREATE USER gitlab WITH ENCRYPTED PASSWORD 'sadaqah!';
GRANT ALL PRIVILEGES ON DATABASE gitlab TO gitlab;
ALTER USER gitlab WITH SUPERUSER;
DDL

helm show values gitlab/gitlab --version 8.0.1|less
helm show values gitlab/gitlab --version 8.2.1|less

kubectl get ns|grep gitlab
kubectl create namespace gitlab

cat << YML | kubectl apply -n gitlab -f -
---
apiVersion: v1
kind: Secret
metadata:
  name: gitlab
  namespace: gitlab
  labels:
    app.kubernetes.io/managed-by: kubectl
    app.kubernetes.io/instance: gitlab
    app.kubernetes.io/version: 8.2.1
    app.kubernetes.io/name: gitlab
    helm.sh/chart: gitlab-8.2.1
  annotations:
    meta.helm.sh/release-name: gitlab
    meta.helm.sh/release-namespace: gitlab
data:
  smtp-password: c2FkYXFhaCE=
  psql-password: c2FkYXFhaCE=
  root-password: c2FkYXFhaCE=
type: Opaque
YML

cat <<YML | helm -n gitlab install    gitlab gitlab/gitlab --version 8.2.1 -f -
---
global:
  edition: ce
  hosts:
    https: false
    domain: k8s.local
    ssh: gitlab.k8s.local
    gitlab:
      name: gitlab.k8s.local
      https: false
    minio:
      name: minio.gitlab.k8s.local
      https: false
  ingress:
    tls:
      enabled: false
    configureCertmanager: false
  psql:
    host: host.minikube.internal
    username: gitlab
    database: gitlab
    password:
      secret: gitlab
      key: psql-password
  smtp:
    enabled: true
    address: mail.k8s.local
    port: 10587
    user_name: "[email protected]"
    password:
      secret: gitlab
      key: smtp-password
    domain: mail.k8s.local
    authentication: "plain"
    starttls_auto: true
  email:
    from: "[email protected]"
    display_name: Academia Gitlab
    reply_to: "[email protected]"
  registry:
    bucket: gitlab-registry
  appConfig:
    lfs:
      bucket: gitlab-lfs
    backups:
      tmpBucket: gitlab-tmp
    terraformState:
      enabled: true
      bucket: gitlab-tf-state
    omniauth:
      enabled: true
      blockAutoCreatedUsers: false
      allowSingleSignOn: ["openid_connect"]
      syncProfileFromProvider: |
        [{ 'name' => 'openid_connect', 'label' => 'Academia OpenID', 'icon' => '', 'args' => {'name' => 'openid_connect', 'scope' => ['openid','profile'], 'response_type' => 'code', 'issuer' => 'http://keycloak.k8s.local/realms/GoogleWorkspace', 'discovery' => true, 'client_auth_method' => 'query', 'uid_field' => 'sub', 'send_scope_to_token_endpoint' => 'false', 'client_options' => { 'identifier' => 'gitlab.k8s.local', 'secret' => '9f16a376-2114-45f4-9b69-873080764b15', 'redirect_uri' => 'http://gitlab.k8s.local/users/auth/openid_connect/callback' }}}]
  kas:
    enabled: false
  minio:
    enabled: true
  gitaly:
    enabled: true
  registry:
    enabled: false
  initialRootPassword:
    secret: gitlab
    key: root-password
  time_zone: "Asia/Kuala_Lumpur"
redis:
  install: true
gitlab:
  webservice:
    minReplicas: 1
    maxReplicas: 2
  gitlab-shell:
    minReplicas: 1
    maxReplicas: 2
registry:
  enabled: false
  hpa:
    minReplicas: 1
    maxReplicas: 2
postgresql:
  install: false
prometheus:
  install: false
certmanager:
  install: false
upgradeCheck:
  enabled: false
gitlab-runner:
  install: false
nginx-ingress:
  enabled: false
nginx-ingress-geo:
  enabled: false
YML

xdg-open http://gitlab.k8s.local &>/dev/null &
gnome-open http://gitlab.k8s.local &>/dev/null &

x-www-browser http://gitlab.k8s.local &>/dev/null &
sensible-browser http://gitlab.k8s.local &>/dev/null &

Uninstall

helm uninstall -n gitlab gitlab
kubectl delete namespace gitlab

Swiss Knife

kubectl -n gitlab run -i --tty --rm psql --image=alpine --restart=Never -- sh
echo -n password: ;read -s PGPASSWORD;export PGPASSWORD
apk --update add postgresql-client inetutils-telnet

psql -d gitlab -U gitlab -h gitlab.gitlab-postgresql
psql -d gitlab -U gitlab -h host.minikube.internal
psql -d gitlab -U gitlab -h postgresql.postgresql

Patch

Patch » Ingress

kubectl -n gitlab get ing/gitlab-webservice-default -ojson|jq -r '.spec.ingressClassName'
kubectl -n gitlab get ing/gitlab-minio -ojson|jq -r '.spec.ingressClassName'

cat <<YML | kubectl -n gitlab patch ing/gitlab-webservice-default --patch-file=/dev/stdin
---
spec:
  ingressClassName: nginx
YML

cat <<YML | kubectl -n gitlab patch ing/gitlab-minio --patch-file=/dev/stdin
---
spec:
  ingressClassName: nginx
YML

Migration

kubectl -n postgresql cp ./gitlab_sdlc-20240820-T1622-ZP0800.sql.gz postgresql-0:/tmp/
kubectl -n postgresql exec -it svc/postgresql -c postgresql -- bash

echo -n password: ;read -s PGPASSWORD;export PGPASSWORD;echo
psql -d postgres -U postgres

echo -n password: ;read -s PGPASSWORD;export PGPASSWORD;echo
gunzip -c /tmp/./gitlab_sdlc-20240820-T1622-ZP0800.sql.gz|psql -Ugitlab gitlab
psql -d gitlab -U gitlab

Playground

helm -n gitlab install    gitlab gitlab/gitlab --version 8.0.1
helm -n gitlab upgrade -i gitlab gitlab/gitlab --version 8.2.1
helm show values gitlab/gitlab --version 8.2.1|less

kubectl -n gitlab get secret gitlab-gitlab-initial-root-password -ojsonpath='{.data.password}'|base64 -d;echo
kubectl -n gitlab get secret gitlab-gitlab-initial-root-password -ojson|jq -r '.data.password'|base64 -d;echo

kubectl -n gitlab get secret gitlab -o json|jq -r '.data."psql-password"'|base64 -d;echo
kubectl -n gitlab get secret gitlab -o json|jq -r '.data."root-password"'|base64 -d;echo
kubectl -n gitlab get secret gitlab -o json|jq -r '.data."smtp-password"'|base64 -d;echo

kubectl -n gitlab exec -it svc/gitlab-postgresql -c postgresql -- psql -Ugitlab
kubectl -n gitlab exec -it svc/gitlab-postgresql -c postgresql -- bash

kubectl -n gitlab exec -it svc/gitlab-webservice-default -c gitlab-workhorse -- bash
kubectl -n gitlab exec -it svc/gitlab-webservice-default -c webservice -- bash

kubectl -n gitlab exec -it svc/gitlab-redis-master -c redis -- bash
kubectl -n gitlab exec -it svc/gitlab-gitaly -c gitaly -- bash

kubectl config --kubeconfig=${HOME}/.kube/aws-kubeconfig.yaml view --flatten
kubectl config --kubeconfig=${HOME}/.kube/dev-kubeconfig.yaml view --flatten
kubectl config --kubeconfig=${HOME}/.kube/gcp-kubeconfig.yaml view --flatten
kubectl config --kubeconfig=${HOME}/.kube/config view --flatten

kubectl -n gitlab delete all --all
kubectl -n gitlab delete ing --all
kubectl -n gitlab delete sts --all

kubectl -n gitlab delete svc --all
kubectl -n gitlab delete pvc --all
kubectl -n gitlab delete pv  --all

kubectl -n gitlab rollout history sts gitlab
kubectl -n gitlab rollout restart sts gitlab
kubectl -n gitlab rollout status  sts gitlab

kubectl -n gitlab exec -it gitlab-redis-master-0 -- bash
kubectl -n gitlab exec -it gitlab-postgresql-0 -- bash
kubectl -n gitlab exec -it gitlab-gitaly-0 -- bash

References

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