nixos/octoprint: add tests for reachability over IPv6

nixos/tests/octoprint.nix

@@ -35,33 +35,40 @@ import ./make-test-python.nix (
       };
 
     testScript = ''
-      import json
+        import json
 
-      @polling_condition
-      def octoprint_running():
-          machine.succeed("pgrep octoprint")
+        @polling_condition
+        def octoprint_running():
+            machine.succeed("pgrep octoprint")
 
-      with subtest("Wait for octoprint service to start"):
-          machine.wait_for_unit("octoprint.service")
-          machine.wait_until_succeeds("pgrep octoprint")
+        with subtest("Wait for octoprint service to start"):
+            machine.wait_for_unit("octoprint.service")
+            machine.wait_until_succeeds("pgrep octoprint")
 
-      with subtest("Wait for final boot"):
-          # this appears whe octoprint is almost finished starting
-          machine.wait_for_file("/var/lib/octoprint/uploads")
+        with subtest("Wait for final boot"):
+            # this appears whe octoprint is almost finished starting
+            machine.wait_for_file("/var/lib/octoprint/uploads")
 
-      # octoprint takes some time to start. This makes sure we'll retry just in case it takes longer
-      # retry-all-errors in necessary, since octoprint will report a 404 error when not yet ready
-      curl_cmd = "curl --retry-all-errors --connect-timeout 5 --max-time 10 --retry 5 --retry-delay 0 \
-                  --retry-max-time 40 -X GET --header 'X-API-Key: ${apikey}' "
+        # octoprint takes some time to start. This makes sure we'll retry just in case it takes longer
+        # retry-all-errors in necessary, since octoprint will report a 404 error when not yet ready
+        curl_cmd = "curl --retry-all-errors --connect-timeout 5 --max-time 10 --retry 5 --retry-delay 0 \
+                    --retry-max-time 40 -X GET --header 'X-API-Key: ${apikey}' "
 
       # used to fail early, in case octoprint first starts and then crashes
       with octoprint_running: # type: ignore[union-attr]
           with subtest("Check for web interface"):
-              machine.wait_until_succeeds("curl -s localhost:5000")
+              machine.wait_until_succeeds("curl -s -4 localhost:5000")
+              machine.wait_until_succeeds("curl -s -6 localhost:5000")
 
-          with subtest("Check API"):
-              version = json.loads(machine.succeed(curl_cmd + "localhost:5000/api/version"))
-              server = json.loads(machine.succeed(curl_cmd + "localhost:5000/api/server"))
+          with subtest("Check API IPv4"):
+              version = json.loads(machine.succeed(curl_cmd + "-4 localhost:5000/api/version"))
+              server = json.loads(machine.succeed(curl_cmd + "-4 localhost:5000/api/server"))
+              assert version["server"] == str("${pkgs.octoprint.version}")
+              assert server["safemode"] == None
+
+          with subtest("Check API IPv6"):
+              version = json.loads(machine.succeed(curl_cmd + "-6 localhost:5000/api/version"))
+              server = json.loads(machine.succeed(curl_cmd + "-6 localhost:5000/api/server"))
               assert version["server"] == str("${pkgs.octoprint.version}")
               assert server["safemode"] == None
     '';