{"id":49126,"date":"2025-04-15T14:43:51","date_gmt":"2025-04-15T14:43:51","guid":{"rendered":"https:\/\/www.devopsschool.com\/blog\/?p=49126"},"modified":"2025-07-12T05:54:49","modified_gmt":"2025-07-12T05:54:49","slug":"advanced-openshift-local-learning-workflow-step-by-step-tutorials-guide","status":"publish","type":"post","link":"https:\/\/www.devopsschool.com\/blog\/advanced-openshift-local-learning-workflow-step-by-step-tutorials-guide\/","title":{"rendered":"Advanced OpenShift Local Learning Workflow: Step-by-Step Tutorials Guide"},"content":{"rendered":"\n

<\/p>\n\n\n\n

This guide assumes you already have OpenShift Local (formerly CRC)<\/strong> installed and running on your macOS or Linux machine. Now it’s time to level up your OpenShift skills with advanced, hands-on workflows<\/strong> designed to mimic real-world cluster usage.<\/p>\n\n\n\n

\n\n\n\n

\u2705 Overview of What You’ll Learn<\/h2>\n\n\n\n
    \n
  1. Creating and Managing Projects<\/li>\n\n\n\n
  2. Deploying Applications with Templates and Helm<\/li>\n\n\n\n
  3. Configuring Routes and Services<\/li>\n\n\n\n
  4. Working with Persistent Storage (PVC, PV)<\/li>\n\n\n\n
  5. CI\/CD Pipelines using OpenShift Pipelines (Tekton)<\/li>\n\n\n\n
  6. Managing Secrets and ConfigMaps<\/li>\n\n\n\n
  7. Resource Limits, Quotas, and Requests<\/li>\n\n\n\n
  8. Monitoring and Logging with built-in tools<\/li>\n\n\n\n
  9. Role-Based Access Control (RBAC)<\/li>\n\n\n\n
  10. GitOps (Optional Bonus)<\/li>\n<\/ol>\n\n\n\n
    \n\n\n\n

    \ud83c\udfaf 1. Create and Manage Projects (Namespaces)<\/h2>\n\n\n
    oc new<\/span>-project dev-project\noc get<\/span> projects\n<\/code><\/span>Code language:<\/span> JavaScript<\/span> (<\/span>javascript<\/span>)<\/span><\/small><\/pre>\n\n\n
    Explanation:<\/strong><\/p>\n\n\n\n
      \n
    • Projects are isolated Kubernetes namespaces with OpenShift-specific metadata.<\/li>\n\n\n\n
    • Use them to separate development, staging, and production workloads.<\/li>\n<\/ul>\n\n\n\n
      \n\n\n\n
      \ud83d\ude80 2. Deploy Applications via Templates or Helm<\/h2>\n\n\n\n
      Option A: Using OpenShift Templates<\/h3>\n\n\n
      oc new<\/span>-app --name=my-nginx nginx\n<\/code><\/span>Code language:<\/span> JavaScript<\/span> (<\/span>javascript<\/span>)<\/span><\/small><\/pre>\n\n\n
      Option B: Using Helm Charts (if Helm is enabled)<\/h3>\n\n\n
      helm repo add bitnami https:\/\/charts.bitnami.com\/bitnami<\/span>\nhelm install my-mysql bitnami\/mysql\n<\/code><\/span>Code language:<\/span> JavaScript<\/span> (<\/span>javascript<\/span>)<\/span><\/small><\/pre>\n\n\n
      Scenario:<\/strong> Deploy a frontend-backend app using templates or Helm.<\/p>\n\n\n\n
      \n\n\n\n
      \ud83c\udf10 3. Expose Applications with Routes<\/h2>\n\n\n
      oc expose svc\/my-nginx\n<\/code><\/span><\/pre>\n\n\n
      Explanation:<\/strong><\/p>\n\n\n\n
        \n
      • This creates an OpenShift Route, which exposes a service to the external world.<\/li>\n\n\n\n
      • Use this for browser access to your apps.<\/li>\n<\/ul>\n\n\n\n
        \n\n\n\n
        \ud83d\udcbe 4. Work with Persistent Volumes (PVC\/PV)<\/h2>\n\n\n\n
        Create PVC<\/h3>\n\n\n
        apiVersion: v1\nkind: PersistentVolumeClaim\nmetadata:\n  name: my-pvc\nspec:\n  accessModes:\n    - ReadWriteOnce\n  resources:\n    requests:\n      storage: 1Gi\n<\/code><\/span><\/pre>\n\n
        oc<\/span> apply<\/span> -f<\/span> pvc<\/span>.yaml<\/span>\n<\/code><\/span>Code language:<\/span> CSS<\/span> (<\/span>css<\/span>)<\/span><\/small><\/pre>\n\n\n
        Scenario:<\/strong> Use this PVC in a deployment for MySQL\/Postgres persistence.<\/p>\n\n\n\n
        \n\n\n\n
        \ud83d\udd01 5. Build CI\/CD with OpenShift Pipelines (Tekton)<\/h2>\n\n\n
        oc apply -f https:\/\/raw.githubusercontent.com\/tektoncd\/pipeline\/main\/examples\/v1beta1\/taskruns\/taskrun.yaml<\/span>\n<\/code><\/span>Code language:<\/span> JavaScript<\/span> (<\/span>javascript<\/span>)<\/span><\/small><\/pre>\n\n\n
        Scenario:<\/strong><\/p>\n\n\n\n
          \n
        • Build and deploy from GitHub automatically using Pipeline<\/code>, Task<\/code>, TaskRun<\/code> resources.<\/li>\n\n\n\n
        • Use Triggers<\/code> and EventListeners<\/code> to integrate with GitHub Webhooks.<\/li>\n<\/ul>\n\n\n\n
          \n\n\n\n
          \ud83d\udd10 6. Manage Secrets and ConfigMaps<\/h2>\n\n\n
          oc create secret generic db-secret --from<\/span>-literal=username=admin --from<\/span>-literal=password=redhat\noc create configmap app-config --from<\/span>-literal=theme=dark\n<\/code><\/span>Code language:<\/span> JavaScript<\/span> (<\/span>javascript<\/span>)<\/span><\/small><\/pre>\n\n\n
          Use in Deployments:<\/strong><\/p>\n\n\n
          envFrom:\n  - secretRef:\n      name: db-secret\n  - configMapRef:\n      name: app-config\n<\/code><\/span><\/pre>\n\n\n
          \n\n\n\n
          \ud83d\udce6 7. Configure Quotas and Limits<\/h2>\n\n\n
          oc create quota mem-cpu-quota --hard=cpu=2,memory=4Gi,pods=10\n<\/code><\/span><\/pre>\n\n\n
          Scenario:<\/strong> Prevent developers from consuming all cluster resources.<\/p>\n\n\n\n
          \n\n\n\n
          \ud83d\udcca 8. Monitor and Log<\/h2>\n\n\n\n
          View Pod Logs<\/h3>\n\n\n
          oc logs <pod-name<\/span>><\/span>\n<\/code><\/span>Code language:<\/span> HTML, XML<\/span> (<\/span>xml<\/span>)<\/span><\/small><\/pre>\n\n\n
          View Cluster Console Metrics<\/h3>\n\n\n\n
            \n
          • Navigate to https:\/\/console-openshift-console.apps-crc.testing\/<\/code> \u2192 Observe dashboards.<\/li>\n\n\n\n
          • View memory, CPU, and event logs per namespace or pod.<\/li>\n<\/ul>\n\n\n\n
            \n\n\n\n
            \ud83d\udc65 9. Role-Based Access Control (RBAC)<\/h2>\n\n\n
            oc create role dev-reader --verb=get<\/span>,list --resource=pods\noc create rolebinding dev-binding --role=dev-reader --user=developer\n<\/code><\/span>Code language:<\/span> JavaScript<\/span> (<\/span>javascript<\/span>)<\/span><\/small><\/pre>\n\n\n
            Scenario:<\/strong> Allow a user to only read pod data in a project.<\/p>\n\n\n\n
            \n\n\n\n
            \ud83d\udd04 10. GitOps (Optional Advanced Scenario)<\/h2>\n\n\n\n
              \n
            1. Install Argo CD Operator<\/li>\n\n\n\n
            2. Connect Argo CD to a Git repository<\/li>\n\n\n\n
            3. Sync deployments automatically from Git<\/li>\n<\/ol>\n\n\n
              oc<\/span> apply<\/span> -f<\/span> argo-install<\/span>.yaml<\/span>\n<\/code><\/span>Code language:<\/span> CSS<\/span> (<\/span>css<\/span>)<\/span><\/small><\/pre>\n\n\n
              Use Case:<\/strong> Fully automate application deployments with Git versioning and drift detection.<\/p>\n\n\n\n
              \n\n\n\n
              \u2705 Summary<\/h2>\n\n\n\n
              This advanced OpenShift Local workflow is ideal for developers, DevOps engineers, and learners who want to:<\/p>\n\n\n\n
                \n
              • Simulate real-world Kubernetes workloads<\/li>\n\n\n\n
              • Learn GitOps and CI\/CD pipelines<\/li>\n\n\n\n
              • Understand the essentials of secure and scalable OpenShift development<\/li>\n<\/ul>\n\n\n\n
                <\/p>\n","protected":false},"excerpt":{"rendered":"
                This guide assumes you already have OpenShift Local (formerly CRC) installed and running on your macOS or Linux machine. Now it’s time to level up your OpenShift skills with advanced,… <\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_joinchat":[],"footnotes":""},"categories":[5153],"tags":[],"class_list":["post-49126","post","type-post","status-publish","format-standard","hentry","category-openshift"],"_links":{"self":[{"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/posts\/49126","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/comments?post=49126"}],"version-history":[{"count":1,"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/posts\/49126\/revisions"}],"predecessor-version":[{"id":49127,"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/posts\/49126\/revisions\/49127"}],"wp:attachment":[{"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/media?parent=49126"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/categories?post=49126"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/tags?post=49126"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}