[dnm] set trap signal

Signed-off-by: Ruslan Aliev <raliev@mirantis.com>
Change-Id: I327851d0c918398662c7b7cc7807aa7a58b7e703

armada/api/server.py

@@ -12,6 +12,10 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+import signal
+import sys
+import pdb
+
 import falcon
 from oslo_config import cfg
 from oslo_policy import policy
@@ -35,6 +39,11 @@ from armada.exceptions import base_exception as exceptions
 
 conf.set_app_default_configs()
 CONF = cfg.CONF
+LOG = logging.getLogger(__name__)
+
+
+def signal_handler(sig, frame):
+    pdb.set_trace()
 
 
 def create(enable_middleware=CONF.middleware):
@@ -87,6 +96,9 @@ def create(enable_middleware=CONF.middleware):
     # Built-in error serializer
     api.set_error_serializer(exceptions.default_error_serializer)
 
+    signal.signal(signal.SIGUSR1, signal_handler)
+    LOG.info("SIGNAL TRAP SERVER SET")
+
     return api
 
 

armada/shell.py

@@ -12,6 +12,10 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+import signal
+import sys
+import pdb
+
 from urllib.parse import urlparse
 
 import click
@@ -27,6 +31,10 @@ from armada.common.session import ArmadaSession
 CONF = cfg.CONF
 
 
+def signal_handler(sig, frame):
+    pdb.set_trace()
+
+
 @click.group()
 @click.option('--debug', help="Enable debug logging", is_flag=True)
 @click.option(
@@ -77,6 +85,8 @@ def main(ctx, debug, api, url, token):
 
     log.set_defaults(default_log_levels=CONF.default_log_levels)
     log.setup(CONF, 'armada')
+    signal.signal(signal.SIGUSR1, signal_handler)
+    log.INFO("SIGNAL TRAP SET")
 
 
 main.add_command(apply_create)

entrypoint.sh

@@ -47,6 +47,8 @@ if [ "$1" = 'server' ]; then
         --pyargv "--config-file /etc/armada/armada.conf" \
         --threads "$ARMADA_UWSGI_THREADS" \
         --workers "$ARMADA_UWSGI_WORKERS"
+elif [ "$1" = 'sleep' ]; then
+    sleep 100000
 else
     exec $CMD "$@"
 fi

images/armada/Dockerfile.ubuntu_focal

@@ -40,7 +40,7 @@ WORKDIR /armada
 RUN useradd -u 1000 -g users -d $(pwd) armada
 
 ENTRYPOINT ["./entrypoint.sh"]
-CMD ["server"]
+CMD ["sleep"]
 
 COPY requirements-frozen.txt ./