containers/osbuild-composer: add prometheus port parameter

containers/osbuild-composer/entrypoint.py

@@ -59,6 +59,18 @@ class Cli(contextlib.AbstractContextManager):
             dest="composer_api",
             help="Disable the composer-API",
         )
+        self._parser.add_argument(
+            "--prometheus",
+            action="store_true",
+            dest="prometheus",
+            help="Enable prometheus listener",
+        )
+        self._parser.add_argument(
+            "--no-prometheus",
+            action="store_false",
+            dest="prometheus",
+            help="Disable prometheus listener",
+        )
         self._parser.add_argument(
             "--composer-api-port",
             type=int,
@@ -66,6 +78,13 @@ class Cli(contextlib.AbstractContextManager):
             dest="composer_api_port",
             help="Port which the composer-API listens on",
         )
+        self._parser.add_argument(
+            "--prometheus-port",
+            type=int,
+            default=8008,
+            dest="prometheus_port",
+            help="Port which prometheus listens on",
+        )
         self._parser.add_argument(
             "--composer-api-bind-address",
             type=str,
@@ -73,6 +92,13 @@ class Cli(contextlib.AbstractContextManager):
             dest="composer_api_bind_address",
             help="Bind the composer API to the specified address",
         )
+        self._parser.add_argument(
+            "--prometheus-bind-address",
+            type=str,
+            default="::",
+            dest="prometheus_bind_address",
+            help="Bind the prometheus listener to the specified address",
+        )
 
         # --[no-]local-worker-api
         self._parser.add_argument(
@@ -133,6 +159,7 @@ class Cli(contextlib.AbstractContextManager):
         self._parser.set_defaults(
             builtin_worker=False,
             composer_api=False,
+            prometheus=False,
             local_worker_api=False,
             remote_worker_api=False,
             weldr_api=False,
@@ -190,6 +217,21 @@ class Cli(contextlib.AbstractContextManager):
             assert(sock.fileno() == index)
             index += 1
 
+        # osbuild-composer-prometheus.socket
+        if self.args.prometheus:
+            print("Create prometheus socket on port {}".format(self.args.prometheus_port), file=sys.stderr)
+            sock = socket.socket(socket.AF_INET6, socket.SOCK_STREAM)
+            self._exitstack.enter_context(contextlib.closing(sock))
+            sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
+            sock.setsockopt(socket.IPPROTO_IPV6, socket.IPV6_V6ONLY, 0)
+            sock.bind((self.args.prometheus_bind_address, self.args.prometheus_port))
+            sock.listen()
+            sockets.append(sock)
+            names.append("osbuild-composer-prometheus.socket")
+
+            assert(sock.fileno() == index)
+            index += 1
+
         # osbuild-local-worker.socket
         if self.args.local_worker_api:
             print("Create local-worker-api socket", file=sys.stderr)

distribution/Dockerfile-ubi

@@ -31,5 +31,5 @@ COPY ./dnf-json /usr/libexec/osbuild-composer/
 COPY ./pkg/jobqueue/dbjobqueue/schemas /opt/migrate/schemas
 COPY --from=builder2 /opt/app-root/src/go/bin/tern /opt/migrate/
 
-EXPOSE 8080 8700
+EXPOSE 8008 8080 8700
-ENTRYPOINT ["python3", "/opt/entrypoint.py", "--remote-worker-api", "--composer-api", "--shutdown-wait-period", "15"]
+ENTRYPOINT ["python3", "/opt/entrypoint.py", "--remote-worker-api", "--composer-api", "--prometheus", "--shutdown-wait-period", "15"]