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Assign Group to Namespace

This lab is a prerequisite for the Kustomization and GitOps labs

  • Application teams need to deploy their applicatons to specific clusters
  • The Groups, Namespaces, and Applications are objects in the Res-Edge Data Service
  • Res-Edge provides GitOps Automation to merge the objects via GitOps (Flux)

In this lab, we will assign the stores Group to the dogs-cats Namespace which will result in the dogs-cats Namespace and Application being deployed to all 12 clusters via GitOps

Prerequisites

Setup a clean environment

# start in the repo base directory
cd "$KIC_BASE"


# Warning: this will delete any existing data changes and they are not recoverable
ds reload --force

# run ci-cd locally
ds cicd

# deploy the clusters directory changes
ds deploy

Verify that the data service is running

ds check resedge

Assign the Stores Group to the dogs-cats Namespace

  • Get the Stores Group Id

    • The ds command will return 3
    ds search groups --query stores

  • Get the dogs-cats Id

    • The ds command will return 4
      • It is coincidental that the Ids are the same
    ds search namespaces --query dogs-cats

  • Use curl to assign the Group to the Namespace

    • You can use the Swagger UI as well
      • From the ports tab, open Res-Edge (32080)
        • Navigate to the Namespaces Section
        • Click on Patch
        • Click on Try it out
    # assign the stores Group to the Namespace
# command will return a 200
ds update namespace --id 4 --expression /g/stores

  • Verify the Group was added to the Namespace

    ds show namespace --id 4 | grep expression

  • Output should look like this

    "expression": "/g/stores",

  • Run cicd locally to verify changes

    ds cicd

  • Check the status with git

    git status clusters

  • Results

    • 3 files will be added to each cluster
      • The dogs-cats Namespace
      • The dogs-cats Application
      • The Flux listener for GitOps

  • Commit the changes and push to the repo

    ds deploy

Assign Groups to Namespaces

  • Assign the following Groups to the tabs-spaces Namespace
    • beta
    • pilot
  # assign the Groups to the Namespace
  ds update namespace --id 5 --expression '/g/beta or /g/pilot'

  • Verify the Groups were added to the Namespace

    ds show namespace --id 5 | grep expression

  • Run cicd locally to verify changes

    ds cicd

  • Check the status with git

    git status clusters

  • Results

    • 6 clusters will have the tabs-spaces Namespace

  • Remove Groups from Namespaces

    # unassign Groups from dog-cats and tabs-spaces Namespaces
ds update namespace --id 4 --expression none
ds update namespace --id 5 --expression none

# run ci-cd locally
ds cicd

# no files should be dirty
git status clusters

Next Lab