allow for customized configs

Signed-off-by: Jordan Dubrick <jdubrick@redhat.com>

Author: Jdubrick

charts/backstage/README.md

@@ -175,6 +175,15 @@ Kubernetes: `>= 1.27.0-0`
 | global.dynamic.plugins | List of dynamic plugins, possibly overriding the plugins listed in `includes` files. Every item defines the plugin `package` as a [NPM package spec](https://docs.npmjs.com/cli/v10/using-npm/package-spec), an optional `pluginConfig` with plugin-specific backstage configuration, and an optional `disabled` flag to disable/enable a plugin listed in `includes` files. It also includes an `integrity` field that is used to verify the plugin package [integrity](https://w3c.github.io/webappsec-subresource-integrity/#integrity-metadata-description). | list | `[]` |
 | global.host | Custom hostname shorthand, overrides `global.clusterRouterBase`, `upstream.ingress.host`, `route.host`, and url values in `upstream.backstage.appConfig`. | string | `""` |
 | global.lightspeed | Built-in Lightspeed feature configuration. | object | Use Lightspeed compatible settings / configurations. |
+| global.lightspeed.configMaps[0].create | Whether to create this ConfigMap from the bundled source file. Set to false and provide `nameOverride` to use a pre-existing ConfigMap. | bool | `false` |
+| global.lightspeed.configMaps[0].nameOverride | Name of an existing ConfigMap to use instead. Required when `create` is false. | string | `"test-stack"` |
+| global.lightspeed.configMaps[0].sourceFile | Bundled file used to populate the ConfigMap data when `create` is true. | string | `"lightspeed-stack.yaml"` |
+| global.lightspeed.configMaps[1].create | Whether to create this ConfigMap from the bundled source file. Set to false and provide `nameOverride` to use a pre-existing ConfigMap. | bool | `true` |
+| global.lightspeed.configMaps[1].nameOverride | Name of an existing ConfigMap to use instead. Required when `create` is false. | string | `""` |
+| global.lightspeed.configMaps[1].sourceFile | Bundled file used to populate the ConfigMap data when `create` is true. | string | `"config.yaml"` |
+| global.lightspeed.configMaps[2].create | Whether to create this ConfigMap from the bundled source file. Set to false and provide `nameOverride` to use a pre-existing ConfigMap. | bool | `true` |
+| global.lightspeed.configMaps[2].nameOverride | Name of an existing ConfigMap to use instead. Required when `create` is false. | string | `""` |
+| global.lightspeed.configMaps[2].sourceFile | Bundled file used to populate the ConfigMap data when `create` is true. | string | `"rhdh-profile.py"` |
 | global.lightspeed.enabled | Enable or disable the built-in Lightspeed feature. | bool | `true` |
 | global.lightspeed.initContainer.image | Full image reference for the Lightspeed RAG bootstrap init container. Override for disconnected environments. | string | `"quay.io/redhat-ai-dev/rag-content:release-1.9-lls-0.5.0-642c567fe10a62b5ff711654306b72912f341e05"` |
 | global.lightspeed.initContainer.resources | Resource requests/limits for the Lightspeed RAG bootstrap init container. | object | `{"limits":{"cpu":"100m","memory":"500Mi"},"requests":{"cpu":"50m","memory":"150Mi"}}` |

charts/backstage/templates/_helpers.tpl

@@ -212,6 +212,7 @@ into the chart archive so changes are captured by chart version bumps.
 {{- range $lightspeed.configMaps -}}
   {{- $configMaps = append $configMaps (dict
       "name" .name
+      "create" (not (and (hasKey . "create") (not .create)))
       "nameOverride" .nameOverride
       "mountPath" .mountPath
       "subPath" .subPath
@@ -265,10 +266,13 @@ Return the Lightspeed ConfigMap name.
 {{- define "rhdh.lightspeed.configMapName" -}}
 {{- $root := .root -}}
 {{- $configMap := .configMap -}}
+{{- $create := not (and (hasKey $configMap "create") (not $configMap.create)) -}}
     {{- if $configMap.nameOverride -}}
         {{- $configMap.nameOverride -}}
-    {{- else -}}
+    {{- else if $create -}}
         {{- printf "%s-lightspeed-%s" $root.Release.Name $configMap.name | trunc 63 | trimSuffix "-" -}}
+    {{- else -}}
+        {{- fail (printf "global.lightspeed.configMaps[%s].nameOverride must be set when create=false" $configMap.name) -}}
     {{- end -}}
 {{- end -}}
 

charts/backstage/templates/lightspeed/lightspeed-configmaps.yaml

@@ -1,9 +1,12 @@
 {{- $lightspeed := include "rhdh.lightspeed" . | fromYaml -}}
 {{- if and $lightspeed.enabled $lightspeed.configMaps }}
+{{- $created := 0 -}}
 {{- range $index, $configMap := $lightspeed.configMaps }}
-{{- if gt $index 0 }}
+{{- if not (and (hasKey $configMap "create") (not $configMap.create)) }}
+{{- if gt $created 0 }}
 ---
 {{- end }}
+{{- $created = add1 $created }}
 apiVersion: v1
 kind: ConfigMap
 metadata:
@@ -14,3 +17,4 @@ data:
 {{ include "rhdh.lightspeed.fileContent" (dict "context" $ "file" $configMap.sourceFile "optional" $configMap.optional "ref" (printf "global.lightspeed.configMaps[%s].sourceFile" $configMap.name)) | nindent 4 }}
 {{- end }}
 {{- end }}
+{{- end }}

charts/backstage/values.schema.json

@@ -122,14 +122,16 @@
                     "default": {
                         "configMaps": [
                             {
+                                "create": false,
                                 "mountPath": "/app-root/lightspeed-stack.yaml",
                                 "name": "stack",
-                                "nameOverride": "",
+                                "nameOverride": "test-stack",
                                 "optional": false,
                                 "sourceFile": "lightspeed-stack.yaml",
                                 "subPath": "lightspeed-stack.yaml"
                             },
                             {
+                                "create": true,
                                 "mountPath": "/app-root/config.yaml",
                                 "name": "config",
                                 "nameOverride": "",
@@ -138,6 +140,7 @@
                                 "subPath": "config.yaml"
                             },
                             {
+                                "create": true,
                                 "mountPath": "/app-root/rhdh-profile.py",
                                 "name": "rhdh-profile",
                                 "nameOverride": "",

charts/backstage/values.yaml

@@ -94,21 +94,36 @@ global:
       emptyDir: {}
     configMaps:
       - name: stack
+        # -- Whether to create this ConfigMap from the bundled source file.
+        # Set to false and provide `nameOverride` to use a pre-existing ConfigMap.
+        create: true
+        # -- Name of an existing ConfigMap to use instead. Required when `create` is false.
         nameOverride: ""
         mountPath: /app-root/lightspeed-stack.yaml
         subPath: lightspeed-stack.yaml
+        # -- Bundled file used to populate the ConfigMap data when `create` is true.
         sourceFile: lightspeed-stack.yaml
         optional: false
       - name: config
+        # -- Whether to create this ConfigMap from the bundled source file.
+        # Set to false and provide `nameOverride` to use a pre-existing ConfigMap.
+        create: true
+        # -- Name of an existing ConfigMap to use instead. Required when `create` is false.
         nameOverride: ""
         mountPath: /app-root/config.yaml
         subPath: config.yaml
+        # -- Bundled file used to populate the ConfigMap data when `create` is true.
         sourceFile: config.yaml
         optional: false
       - name: rhdh-profile
+        # -- Whether to create this ConfigMap from the bundled source file.
+        # Set to false and provide `nameOverride` to use a pre-existing ConfigMap.
+        create: true
+        # -- Name of an existing ConfigMap to use instead. Required when `create` is false.
         nameOverride: ""
         mountPath: /app-root/rhdh-profile.py
         subPath: rhdh-profile.py
+        # -- Bundled file used to populate the ConfigMap data when `create` is true.
         sourceFile: rhdh-profile.py
         optional: false
     secret: