Build PG17

Support PG17. `session_auth_is_superuser` was renamed to `current_role_is_superuser` in
postgres/postgres@0fef877

.github/workflows/build.yml

@@ -16,7 +16,7 @@ jobs:
     strategy:
       max-parallel: 3
       matrix:
-        pg-version: [11, 12, 13, 14, 15, 16]
+        pg-version: [11, 12, 13, 14, 15, 16, 17]
     steps:
       - id: install
         run: |
@@ -25,7 +25,7 @@ jobs:
           # Get the postgresql gpg key
           sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 7FCC7D46ACCC4CF8
           # Setup the Postgres repositories
-          sudo sh -c 'echo "deb https://apt.postgresql.org/pub/repos/apt $(lsb_release -cs)-pgdg main" > /etc/apt/sources.list.d/pgdg.list'
+          sudo sh -c 'echo "deb https://apt.postgresql.org/pub/repos/apt $(lsb_release -cs)-pgdg main ${{ matrix.pg-version }}" > /etc/apt/sources.list.d/pgdg.list'
           sudo apt-get update
           # Install build deps
           sudo apt-get install -y postgresql-server-dev-${{ matrix.pg-version }}

src/aiven_gatekeeper.c

@@ -36,6 +36,13 @@
 
 PG_MODULE_MAGIC;
 
+/* session_auth_is_superuser was renamed to current_role_is_superuser */
+#if PG17_GTE
+#define CURRENT_ROLE_IS_SUPERUSER current_role_is_superuser
+#else
+#define CURRENT_ROLE_IS_SUPERUSER session_auth_is_superuser
+#endif
+
 void _PG_init(void);
 void _PG_fini(void);
 
@@ -139,9 +146,8 @@ is_elevated(void)
     }
 
     is_superuser = superuser_arg(currentUserId);
-
     /* elevated to supersuser when the session auth user does not have superuser privileges */
-    return is_superuser && !session_auth_is_superuser;
+    return is_superuser && !CURRENT_ROLE_IS_SUPERUSER;
 }
 
 static bool

src/aiven_gatekeeper.h

@@ -14,6 +14,8 @@
 #define PG13_GTE (PG_VERSION_NUM >= 130000)
 #define PG14_GTE (PG_VERSION_NUM >= 140000)
 #define PG16_GTE (PG_VERSION_NUM >= 160000)
+#define PG17_GTE (PG_VERSION_NUM >= 170000)
+
 
 /* The process_utility_hook function changed in PG13 and again in PG14
  * versions from introduction (PG9) through PG12 have the same 7 argument structure