fetching project/repo from location

Signed-off-by: Tarak Nath Tatwa <bikashcric1995@gmail.com>

plugins/azure-devops/README.md

@@ -61,6 +61,12 @@ spec:
   # ...
 ```
 
+```yaml
+backstage.io/managed-by-location: https://dev.azure.com/{org}/{project}/_git/{repo}?path=/.catalog/component.yml
+```
+
+if `dev.azure.com/project-repo` annotation is not provided and `dev.azure.com/project` not exits then to extract the project and repo information we can use `backstage.io/managed-by-location` annotation if location contains `dev.azure.com` in url to enable CICD tab.
+
 #### Azure Pipelines Only
 
 If you are only using Azure Pipelines along with a different SCM tool then you can use the following two annotations to see Builds:

plugins/azure-devops/src/constants.ts

@@ -18,4 +18,5 @@ export const AZURE_DEVOPS_BUILD_DEFINITION_ANNOTATION =
   'dev.azure.com/build-definition';
 export const AZURE_DEVOPS_PROJECT_ANNOTATION = 'dev.azure.com/project';
 export const AZURE_DEVOPS_REPO_ANNOTATION = 'dev.azure.com/project-repo';
+export const AZURE_DEVOPS_PROJECT_LOCATION = 'backstage.io/managed-by-location';
 export const AZURE_DEVOPS_DEFAULT_TOP: number = 10;

plugins/azure-devops/src/plugin.ts

@@ -37,6 +37,7 @@ import {
 import { AzureDevOpsClient } from './api/AzureDevOpsClient';
 import { Entity } from '@backstage/catalog-model';
 import { azureDevOpsApiRef } from './api/AzureDevOpsApi';
+import { isDevAzureLocation } from './utils/isAzureLocation';
 
 /** @public */
 export const isAzureDevOpsAvailable = (entity: Entity) =>
@@ -45,6 +46,7 @@ export const isAzureDevOpsAvailable = (entity: Entity) =>
 /** @public */
 export const isAzurePipelinesAvailable = (entity: Entity) =>
   Boolean(entity.metadata.annotations?.[AZURE_DEVOPS_REPO_ANNOTATION]) ||
+  isDevAzureLocation(entity) ||
   (Boolean(entity.metadata.annotations?.[AZURE_DEVOPS_PROJECT_ANNOTATION]) &&
     Boolean(
       entity.metadata.annotations?.[AZURE_DEVOPS_BUILD_DEFINITION_ANNOTATION],

plugins/azure-devops/src/utils/getAnnotationFromEntity.ts

@@ -18,6 +18,7 @@ import {
   AZURE_DEVOPS_BUILD_DEFINITION_ANNOTATION,
   AZURE_DEVOPS_PROJECT_ANNOTATION,
   AZURE_DEVOPS_REPO_ANNOTATION,
+  AZURE_DEVOPS_PROJECT_LOCATION,
 } from '../constants';
 
 import { Entity } from '@backstage/catalog-model';
@@ -37,6 +38,20 @@ export function getAnnotationFromEntity(entity: Entity): {
 
   const project =
     entity.metadata.annotations?.[AZURE_DEVOPS_PROJECT_ANNOTATION];
+
+  const location = entity.metadata.annotations?.[AZURE_DEVOPS_PROJECT_LOCATION];
+  const isAzureDevUrl = location?.includes('dev.azure.com');
+
+  if (!project && location && isAzureDevUrl) {
+    const locInfoArr = location
+      .substring(location.indexOf('//') + 2)
+      .split('/');
+
+    const [proj, repo] = [locInfoArr[2], locInfoArr[4].split('?')[0]];
+    const definition = undefined;
+    return { project: proj, repo, definition };
+  }
+
   if (!project) {
     throw new Error('Value for annotation dev.azure.com/project was not found');
   }

plugins/azure-devops/src/utils/isAzureLocation.ts

@@ -0,0 +1,25 @@
+/*
+ * Copyright 2023 The Backstage Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import { Entity } from '@backstage/catalog-model';
+import { AZURE_DEVOPS_PROJECT_LOCATION } from '../constants';
+
+export const isDevAzureLocation = (entity: Entity): boolean => {
+  return (
+    entity.metadata.annotations?.[AZURE_DEVOPS_PROJECT_LOCATION].includes(
+      'dev.azure.com',
+    ) || false
+  );
+};