Merge branch 'algolia-dev-pipeline-option' into 'main'

Re-implement algolia option for dev MRs

See merge request https://gitlab.com/gitlab-org/gitlab-docs/-/merge_requests/3373

Merged-by: Achilleas Pipinellis <axil@gitlab.com>
Co-authored-by: Marcel Amirault <mamirault@gitlab.com>

3 files changed, 21 insertions, 19 deletions

diff --git a/.gitlab/ci/rules.gitlab-ci.yml b/.gitlab/ci/rules.gitlab-ci.yml
index 535a8ca2..ef954738 100644
--- a/.gitlab/ci/rules.gitlab-ci.yml
+++ b/.gitlab/ci/rules.gitlab-ci.yml
@@ -129,6 +129,9 @@ default:
 
 .rules_dev:
   rules:
+    - if: $CI_MERGE_REQUEST_ID && $CI_COMMIT_REF_NAME =~ /algolia/
+      variables:
+        ALGOLIA_SEARCH: 'true'
     - if: '$CI_MERGE_REQUEST_ID'
     - if: '$CI_COMMIT_BRANCH =~ /docs-preview/'  # TODO: Remove once no projects create such branch
     - if: '$CI_PIPELINE_SOURCE == "schedule" && $CHORES_PIPELINE == "true"'
diff --git a/content/frontend/default/environment.js b/content/frontend/default/environment.js
index 8d530ded..e09a83c4 100644
--- a/content/frontend/default/environment.js
+++ b/content/frontend/default/environment.js
@@ -28,3 +28,7 @@ export function isGitLabHosted() {
 export function isArchivesSite() {
   return window.location.host === GlHosts.find((x) => x.environment === 'archives').host;
 }
+
+export function isProduction() {
+  return window.location.host === GlHosts.find((x) => x.environment === 'production').host;
+}
diff --git a/content/frontend/search/search.js b/content/frontend/search/search.js
index b0132354..ea98f6e3 100644
--- a/content/frontend/search/search.js
+++ b/content/frontend/search/search.js
@@ -1,30 +1,25 @@
+import { isProduction } from '../default/environment';
+
 /**
- * Functions used by both DocSearch and InstantSearch.
+ * Loads Algolia connection info.
+ *
+ * For production, we use the "gitlab" index.
+ * All other environments use the "gitlab_testing" index.
+ * Both indexes use the same credentials to connect.
+ *
+ * @see https://www.algolia.com/apps/3PNCFOU757/indices
  */
-
-export const algoliaAccounts = {
-  production: {
+export const getAlgoliaCredentials = () => {
+  return {
     apiKey: 'eef4ee4af5ab6b0d76d1a2f9fc4fab58',
     appId: '3PNCFOU757',
-    index: 'gitlab',
-  },
-  testing: {
-    apiKey: 'eef4ee4af5ab6b0d76d1a2f9fc4fab58',
-    appId: '3PNCFOU757',
-    index: 'gitlab_testing',
-  },
+    index: isProduction() ? 'gitlab' : 'gitlab_testing',
+  };
 };
 
 /**
- * Loads Algolia connection info for a given Crawler.
- *
- * Set the crawler default to 'testing' in order to use
- * the gitlab_testing index. (Don't forget to change it back!)
+ * Returns the site version from the docsearch:version metatag.
  */
-export const getAlgoliaCredentials = (crawler = 'production') => {
-  return algoliaAccounts[crawler];
-};
-
 export const getDocsVersion = () => {
   let docsVersion = 'main';
   if (