fix: resolve Gitea service API for PaC apply

scripts/src/platform-infra-pipelines-as-code-remote.sh

@@ -28,7 +28,29 @@ duration_seconds() {
 }
 
 api_url() {
-  printf '%s/api/v1/%s' "$UNIDESK_PAC_GITEA_BASE_URL" "$1"
+  prepare_gitea_api_base
+  printf '%s/api/v1/%s' "$UNIDESK_PAC_GITEA_API_BASE_URL" "$1"
+}
+
+prepare_gitea_api_base() {
+  if [ -n "${UNIDESK_PAC_GITEA_API_BASE_URL:-}" ]; then
+    return
+  fi
+  base="$UNIDESK_PAC_GITEA_BASE_URL"
+  hostport=$(printf '%s' "$base" | sed -n 's#^http://\([^/]*\).*$#\1#p')
+  if printf '%s' "$hostport" | grep -q '\.svc\.cluster\.local'; then
+    host=${hostport%%:*}
+    port=${hostport##*:}
+    if [ "$port" = "$hostport" ]; then port=80; fi
+    service=${host%%.*}
+    rest=${host#*.}
+    namespace=${rest%%.*}
+    cluster_ip=$(kubectl -n "$namespace" get svc "$service" -o jsonpath='{.spec.clusterIP}')
+    UNIDESK_PAC_GITEA_API_BASE_URL="http://$cluster_ip:$port"
+  else
+    UNIDESK_PAC_GITEA_API_BASE_URL="$base"
+  fi
+  export UNIDESK_PAC_GITEA_API_BASE_URL
 }
 
 gitea_api() {