feat(wal-g): install wal-g 3.0.8 alongside v2 (INDATA-904)

ansible/files/postgresql_config/sbpostgres_apparmor

@@ -66,6 +66,7 @@ profile sbpostgres flags=(attach_disconnected) {
     /bin/cat Pix -> postgres_shell,
     /usr/bin/admin-mgr Pix -> postgres_shell,
     /nix/store/*/bin/wal-g-2 Pix -> postgres_shell,
+    /nix/store/*/bin/wal-g-3 Pix -> postgres_shell,
     /nix/store/*/bin/pgbackrest Pix -> postgres_shell,
     /nix/store/*/bin/pg_dump ix,
     /usr/bin/pgbackrest Pix -> pgbackrest_shell,
@@ -107,6 +108,7 @@ profile sbpostgres flags=(attach_disconnected) {
         /opt/supabase-admin-agent/supabase-admin-agent-linux-amd64 ix,
         /nix/store/*/bin/.postgres-wrapped ix,
         /nix/store/*/bin/wal-g-2 ix,
+        /nix/store/*/bin/wal-g-3 ix,
         /nix/store/*/bin/pgbackrest ix,
         /nix/store/*/bin/pg_dump ix,
         /nix/store/*/bin/pg_archivecleanup ix,

ansible/tasks/setup-wal-g.yml

@@ -33,6 +33,13 @@
         cmd: sudo -u wal-g bash -c ". /nix/var/nix/profiles/default/etc/profile.d/nix-daemon.sh && nix profile install github:supabase/postgres/{{ git_commit_sha }}#wal-g-2"
       become: true
 
+    # Installed alongside v2 (INDATA-904). The /usr/local/bin/wal-g symlink below
+    # still points at v2, so v3 is available (as wal-g-3) but not yet the default.
+    - name: Install wal-g 3 from nix binary cache
+      ansible.builtin.shell:
+        cmd: sudo -u wal-g bash -c ". /nix/var/nix/profiles/default/etc/profile.d/nix-daemon.sh && nix profile install github:supabase/postgres/{{ git_commit_sha }}#wal-g-3"
+      become: true
+
     - name: nix collect garbage
       ansible.builtin.shell:
         cmd: sudo -u ubuntu bash -c ". /nix/var/nix/profiles/default/etc/profile.d/nix-daemon.sh && nix-collect-garbage -d"

nix/checks.nix

@@ -932,6 +932,7 @@
             supabase-cli
             supascan
             wal-g-2
+            wal-g-3
             ;
           devShell = self'.devShells.default;
         }

nix/packages/default.nix

@@ -113,7 +113,7 @@
             inherit (pkgs) yq;
             postgresql_15 = self'.packages."postgresql_15";
           };
-          inherit (pkgs.callPackage ./wal-g.nix { }) wal-g-2;
+          inherit (pkgs.callPackage ./wal-g.nix { }) wal-g-2 wal-g-3;
           inherit (supascan-pkgs) goss supascan supascan-specs;
           inherit (pg-startup-profiler-pkgs) pg-startup-profiler;
           inherit (pkgs.cargo-pgrx)

nix/packages/wal-g.nix

@@ -14,6 +14,9 @@ let
       vendorHash,
       sha256,
       majorVersion,
+      # Extra GOEXPERIMENT flags. wal-g 3.x imports encoding/json/v2 directly
+      # (internal/uploader.go), which Go 1.25 gates behind GOEXPERIMENT=jsonv2.
+      goExperiment ? null,
     }:
     buildGoModule rec {
       pname = "wal-g-${majorVersion}";
@@ -28,6 +31,10 @@ let
 
       inherit vendorHash;
 
+      env = lib.optionalAttrs (goExperiment != null) {
+        GOEXPERIMENT = goExperiment;
+      };
+
       nativeBuildInputs = [ installShellFiles ];
 
       buildInputs = [
@@ -77,4 +84,14 @@ in
     vendorHash = "sha256-BbQuY6r30AkxlCZjY8JizaOrqEBdv7rIQet9KQwYB/g=";
     majorVersion = "2";
   };
+
+  # wal-g v3.0.8 — installed alongside v2 (INDATA-904).
+  # OrioleDB support + backward-compat validation; binary is wal-g-3.
+  wal-g-3 = walGCommon {
+    version = "3.0.8";
+    sha256 = "sha256-iDLC3Td/U1msqdpUbJWS+MBDznx7NbddGWFP4rrfSus=";
+    vendorHash = "sha256-K2J/Hi8TQs+UhudgTWsAmPUHKnwKP3cmx21CvDTjs6M=";
+    majorVersion = "3";
+    goExperiment = "jsonv2";
+  };
 }

testinfra/test_ami_nix.py

@@ -1171,19 +1171,21 @@ def test_apparmor_allows_pg_dump(host):
     )
 
 
-def test_apparmor_allows_walg(host):
-    """Verify wal-g-2 can be executed under the sbpostgres AppArmor profile.
+@pytest.mark.parametrize("walg_binary", ["wal-g-2", "wal-g-3"])
+def test_apparmor_allows_walg(host, walg_binary):
+    """Verify wal-g-2 and wal-g-3 can be executed under the sbpostgres AppArmor profile.
 
-    /nix/store/*/bin/wal-g-2 is listed as 'ix' in postgres_shell. We locate the
-    binary at runtime since the Nix store hash is not known ahead of time.
+    /nix/store/*/bin/wal-g-2 and /nix/store/*/bin/wal-g-3 are listed as 'ix' in
+    postgres_shell. We locate the binary at runtime since the Nix store hash is
+    not known ahead of time.
     """
     find_result = run_ssh_command(
         host["ssh"],
-        "find /nix/store -maxdepth 3 -name 'wal-g-2' -type f 2>/dev/null | head -1",
+        f"find /nix/store -maxdepth 3 -name '{walg_binary}' -type f 2>/dev/null | head -1",
     )
     walg_path = find_result["stdout"].strip()
     if not walg_path:
-        print("wal-g-2 not found in Nix store, skipping")
+        print(f"{walg_binary} not found in Nix store, skipping")
         return
 
     result = run_ssh_command(
@@ -1192,7 +1194,7 @@ def test_apparmor_allows_walg(host):
         f"\"COPY (SELECT 1) TO PROGRAM '{walg_path} --version';\"",
     )
     assert result["succeeded"], (
-        f"wal-g-2 was blocked by AppArmor.\n"
+        f"{walg_binary} was blocked by AppArmor.\n"
         f"stdout: {result['stdout']}\nstderr: {result['stderr']}"
     )