Added (optional) publicUrl to vault-backend plugin

Signed-off-by: Casper Thygesen <cth@trifork.com>

plugins/vault-backend/src/config/config.ts

@@ -27,6 +27,11 @@ export interface VaultConfig {
    */
   baseUrl: string;
 
+  /**
+   * The publicUrl for your Vault instance (Optional).
+   */
+  publicUrl?: string;
+
   /**
    * The token used by Backstage to access Vault.
    */

plugins/vault-backend/src/service/vaultApi.ts

@@ -135,11 +135,13 @@ export class VaultClient implements VaultApi {
             )),
           );
         } else {
+          const vaultUrl =
+            this.vaultConfig.publicUrl || this.vaultConfig.baseUrl;
           secrets.push({
             name: secret,
             path: secretPath,
-            editUrl: `${this.vaultConfig.baseUrl}/ui/vault/secrets/${this.vaultConfig.secretEngine}/edit/${secretPath}/${secret}`,
-            showUrl: `${this.vaultConfig.baseUrl}/ui/vault/secrets/${this.vaultConfig.secretEngine}/show/${secretPath}/${secret}`,
+            editUrl: `${vaultUrl}/ui/vault/secrets/${this.vaultConfig.secretEngine}/edit/${secretPath}/${secret}`,
+            showUrl: `${vaultUrl}/ui/vault/secrets/${this.vaultConfig.secretEngine}/show/${secretPath}/${secret}`,
           });
         }
       }),