Add feature flag label support

.github/workflows/ci.yml

@@ -95,3 +95,12 @@ jobs:
             !TestData/feature-flags3.json
           app-configuration-endpoint: ${{ vars.APP_CONFIGURATION_ENDPOINT }}
           strict: true
+
+      - name: Test Local Action with label
+        id: test-action-label
+        uses: ./
+        with:
+          path: TestData/*.json
+          app-configuration-endpoint: ${{ vars.APP_CONFIGURATION_ENDPOINT }}
+          strict: true
+          label: test label

README.md

@@ -36,14 +36,16 @@ path: |
   !/path/to/feature-flags-ignore.json
 ```
 
-- `app-configuration-endpoint` - An Azure app configuration endpoint eg..
+- `app-configuration-endpoint` - An Azure app configuration endpoint. E.g.
   `https://<app-configuration-name>.azconfig.io`
-- `strict` - If strict, the sync operation deletes feature flags not found in
-  the config file. Choices: true, false.
-- `operation` - [optional] Possible values: validate or deploy - deploy by
-  default. validate: only validates the configuration file. deploy: deploys the
-  feature flags to Azure App Configuration deploy: Updates the Azure App
-  configuration
+- `label` - [optional] Azure App Configuration label to apply to the feature
+  flags. If not specficed, the default is no label.
+- `operation` - [optional] Possible values: `validate` or `deploy` - `deploy` by
+  default. `validate`: only validates the configuration file. `deploy`: deploys
+  the feature flags to Azure App Configuration
+- `strict` - Choices: `true` or `false`. If strict, the operation deletes
+  feature flags not found in the configuration file. Required when operation is
+  `deploy`.
 
 ### Example workflow
 

__tests__/feature-flag-client.test.ts

@@ -27,12 +27,13 @@ describe('Feature Flag Client', () => {
 
   it('should list feature flags', async () => {
     const appConfigEndpoint = 'https://example.com'
+    const label = 'test-label'
     const getMock = jest.spyOn(axios, 'get').mockResolvedValue({
       status: 200,
       data: featureListResponse
     })
 
-    const results = await listFeatureFlags(appConfigEndpoint)
+    const results = await listFeatureFlags(appConfigEndpoint, label)
     expect(results.items.length).toEqual(1)
     expect(results.items[0].key).toEqual(
       '.appconfig.featureflag/featureFlagId1'
@@ -41,27 +42,70 @@ describe('Feature Flag Client', () => {
 
   it('should throw error when list api fails', async () => {
     const appConfigEndpoint = 'https://example.com'
+    const label = 'test-label'
 
     const getMock = jest.spyOn(axios, 'get').mockResolvedValue({
       status: 500,
       statusText: 'Internal Server Error'
     })
 
-    await expect(listFeatureFlags(appConfigEndpoint)).rejects.toThrow(ApiError)
+    await expect(listFeatureFlags(appConfigEndpoint, label)).rejects.toThrow(
+      ApiError
+    )
   })
 
-  it('create or update feature flag', async () => {
+  it('can create or update feature flag', async () => {
     const appConfigEndpoint = 'https://example.com'
     const featureFlagId = 'featureFlagId1'
+    const label = ''
     const value = getDummyFeatureFlagItem(featureFlagId)
 
     const getMock = jest.spyOn(axios, 'put').mockResolvedValue({
       status: 200
     })
 
-    await createOrUpdateFeatureFlag(appConfigEndpoint, featureFlagId, value)
+    await createOrUpdateFeatureFlag(
+      appConfigEndpoint,
+      featureFlagId,
+      value,
+      label
+    )
+    expect(getMock).toBeCalledWith(
+      `${appConfigEndpoint}/kv/.appconfig.featureflag%2FfeatureFlagId1?api-version=2023-11-01&label=`,
+      {
+        content_type:
+          'application/vnd.microsoft.appconfig.ff+json;charset=utf-8',
+        value: JSON.stringify(value)
+      },
+      {
+        headers: {
+          Accept: '*/*',
+          Authorization: 'Bearer token',
+          'Content-Type': 'application/vnd.microsoft.appconfig.kv+json'
+        }
+      }
+    )
+  })
+
+  it('can create or update feature flag with label', async () => {
+    const appConfigEndpoint = 'https://example.com'
+    const featureFlagId = 'featureFlagId1'
+    // Use a label with special characters to test URL encoding
+    const label = 'test label/with special&chars'
+    const value = getDummyFeatureFlagItem(featureFlagId)
+
+    const getMock = jest.spyOn(axios, 'put').mockResolvedValue({
+      status: 200
+    })
+
+    await createOrUpdateFeatureFlag(
+      appConfigEndpoint,
+      featureFlagId,
+      value,
+      label
+    )
     expect(getMock).toBeCalledWith(
-      `${appConfigEndpoint}/kv/.appconfig.featureflag%2FfeatureFlagId1?api-version=2023-11-01`,
+      `${appConfigEndpoint}/kv/.appconfig.featureflag%2FfeatureFlagId1?api-version=2023-11-01&label=test%20label%2Fwith%20special%26chars`,
       {
         content_type:
           'application/vnd.microsoft.appconfig.ff+json;charset=utf-8',
@@ -80,6 +124,7 @@ describe('Feature Flag Client', () => {
   it('should throw error when create or update feature flag fails', async () => {
     const appConfigEndpoint = 'https://example.com'
     const featureFlagId = 'featureFlagId1'
+    const label = 'test-label'
     const value = getDummyFeatureFlagItem(featureFlagId)
 
     const getMock = jest.spyOn(axios, 'put').mockResolvedValue({
@@ -88,21 +133,22 @@ describe('Feature Flag Client', () => {
     })
 
     await expect(
-      createOrUpdateFeatureFlag(appConfigEndpoint, featureFlagId, value)
+      createOrUpdateFeatureFlag(appConfigEndpoint, featureFlagId, value, label)
     ).rejects.toThrow(ApiError)
   })
 
   it('should delete feature flag', async () => {
     const appConfigEndpoint = 'https://example.com'
     const featureFlagId = 'featureFlagId1'
+    const label = 'test label/with special&chars'
 
     const getMock = jest.spyOn(axios, 'delete').mockResolvedValue({
       status: 200
     })
 
-    await deleteFeatureFlag(appConfigEndpoint, featureFlagId)
+    await deleteFeatureFlag(appConfigEndpoint, featureFlagId, label)
     expect(getMock).toBeCalledWith(
-      `${appConfigEndpoint}/kv/.appconfig.featureflag%2FfeatureFlagId1?api-version=2023-11-01`,
+      `${appConfigEndpoint}/kv/.appconfig.featureflag%2FfeatureFlagId1?api-version=2023-11-01&label=test%20label%2Fwith%20special%26chars`,
       {
         headers: {
           Accept: '*/*',
@@ -116,13 +162,14 @@ describe('Feature Flag Client', () => {
   it('should throw error when delete feature flag fails', async () => {
     const appConfigEndpoint = 'https://example.com'
     const featureFlagId = 'featureFlagId1'
+    const label = 'test-label'
 
     const getMock = jest.spyOn(axios, 'delete').mockResolvedValue({
       status: 500
     })
 
     await expect(
-      deleteFeatureFlag(appConfigEndpoint, featureFlagId)
+      deleteFeatureFlag(appConfigEndpoint, featureFlagId, label)
     ).rejects.toThrow(ApiError)
   })
 

__tests__/input.test.ts

@@ -25,7 +25,8 @@ describe('getActionInput', () => {
       configFile: 'configFile',
       strictSync: true,
       appConfigEndpoint: 'https://example.com',
-      operation: 'deploy'
+      operation: 'deploy',
+      label: ''
     })
   })
 
@@ -38,7 +39,8 @@ describe('getActionInput', () => {
       configFile: 'configFile',
       strictSync: false, // doesn't matter in validate mode
       appConfigEndpoint: '', // doesn't matter in validate mode
-      operation: 'validate'
+      operation: 'validate',
+      label: ''
     })
   })
 

__tests__/update-feature-flags.test.ts

@@ -53,7 +53,8 @@ describe('updateFeatureFlags', () => {
     expect(createOrUpdateFeatureFlag).toHaveBeenCalledWith(
       input.appConfigEndpoint,
       'featureFlagId2',
-      configs[1]
+      configs[1],
+      'test-label'
     )
     expect(infoMock).toHaveBeenCalledWith('Updated 1 feature flags')
   })
@@ -81,7 +82,8 @@ describe('updateFeatureFlags', () => {
     expect(createOrUpdateFeatureFlag).toHaveBeenCalledWith(
       input.appConfigEndpoint,
       'featureFlagId2',
-      configs[1]
+      configs[1],
+      'test-label'
     )
     expect(infoMock).toHaveBeenCalledWith('Updated 1 feature flags')
     expect(infoMock).toHaveBeenCalledWith(
@@ -90,7 +92,8 @@ describe('updateFeatureFlags', () => {
     expect(deleteFeatureFlag).toHaveBeenCalledTimes(1)
     expect(deleteFeatureFlag).toHaveBeenCalledWith(
       input.appConfigEndpoint,
-      'featureFlagId3'
+      'featureFlagId3',
+      'test-label'
     )
   })
 
@@ -99,7 +102,8 @@ describe('updateFeatureFlags', () => {
       configFile: 'configFile',
       strictSync: false,
       appConfigEndpoint: 'https://example.com',
-      operation: 'deploy'
+      operation: 'deploy',
+      label: 'test-label'
     }
   }
 

action.yml

@@ -16,14 +16,21 @@ inputs:
     required: true
 
   app-configuration-endpoint:
-    description: 'Destination endpoint for the Azure App Configuration store'
+    description: 'Destination endpoint for the Azure App Configuration store.'
     required: false
 
+  label:
+    description:
+      'Azure App Configuration label to apply to the feature flags. If not
+      specficed, the default is no label.'
+    required: false
+    default: None
+
   operation: # Validate the configuration file only
     description:
       'Possible values: validate or deploy - deploy by default. validate: only
       validates the configuration file. deploy: deploys the feature flags to
-      Azure App Configuration'
+      Azure App Configuration.'
     required: false
     default: 'deploy'
 

src/feature-flag-client.ts

@@ -13,10 +13,11 @@ import { FeatureFlag } from './models/feature-flag.models'
 const apiVersion = '2023-11-01'
 
 export const listFeatureFlags = async (
-  appConfigEndpoint: string
+  appConfigEndpoint: string,
+  label: string
 ): Promise<FeatureListResponse> => {
   const response = await axios.get<FeatureListResponse>(
-    `${appConfigEndpoint}/kv?key=.appconfig.featureflag*&api-version=${apiVersion}`,
+    `${appConfigEndpoint}/kv?key=.appconfig.featureflag*&api-version=${apiVersion}&label=${encodeURIComponent(label)}`,
     { headers: await getHeaders(appConfigEndpoint) }
   )
 
@@ -32,14 +33,15 @@ export const listFeatureFlags = async (
 export const createOrUpdateFeatureFlag = async (
   appConfigEndpoint: string,
   featureFlagId: string,
-  value: FeatureFlag
+  value: FeatureFlag,
+  label: string
 ): Promise<void> => {
   const payload: FeatureFlagResponse = {
     content_type: 'application/vnd.microsoft.appconfig.ff+json;charset=utf-8',
     value: JSON.stringify(value)
   }
   const response = await axios.put(
-    `${appConfigEndpoint}/kv/${getAppConfigKey(featureFlagId)}?api-version=${apiVersion}`,
+    `${appConfigEndpoint}/kv/${getAppConfigKey(encodeURIComponent(featureFlagId))}?api-version=${apiVersion}&label=${encodeURIComponent(label)}`,
     payload,
     { headers: await getHeaders(appConfigEndpoint) }
   )
@@ -53,10 +55,11 @@ export const createOrUpdateFeatureFlag = async (
 
 export const deleteFeatureFlag = async (
   appConfigEndpoint: string,
-  featureFlagId: string
+  featureFlagId: string,
+  label: string
 ): Promise<void> => {
   const response = await axios.delete(
-    `${appConfigEndpoint}/kv/${getAppConfigKey(featureFlagId)}?api-version=${apiVersion}`,
+    `${appConfigEndpoint}/kv/${getAppConfigKey(featureFlagId)}?api-version=${apiVersion}&label=${encodeURIComponent(label)}`,
     { headers: await getHeaders(appConfigEndpoint) }
   )
 

src/input.ts

@@ -12,14 +12,16 @@ export function getActionInput(): Input {
       configFile: getRequiredInputString('path'),
       strictSync: false, // In validate mode, strict sync is not required
       appConfigEndpoint: '', // In validate mode, app config endpoint is not required
-      operation: operation
+      operation: operation,
+      label: getNonRequiredInputString('label') || ''
     }
   }
   return {
     configFile: getRequiredInputString('path'),
     strictSync: getRequiredBooleanInput('strict'),
     appConfigEndpoint: getAppConfigEndpoint(),
-    operation: getOperationType()
+    operation: getOperationType(),
+    label: getNonRequiredInputString('label') || ''
   }
 }