Merge "Improve the container status"

zun/api/controllers/v1/views/containers_view.py

@@ -34,7 +34,8 @@ _basic_keys = (
     'addresses',
     'image_pull_policy',
     'host',
-    'restart_policy'
+    'restart_policy',
+    'status_detail'
 )
 
 

zun/container/docker/driver.py

@@ -11,10 +11,12 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+import datetime
 import six
 
 from docker import errors
 from oslo_log import log as logging
+from oslo_utils import timeutils
 
 from zun.common import exception
 from zun.common.i18n import _
@@ -131,30 +133,75 @@ class DockerDriver(driver.ContainerDriver):
             self._populate_container(container, response)
             return container
 
+    def format_status_detail(self, status_time):
+        try:
+            st = datetime.datetime.strptime((status_time[:-4]),
+                                            '%Y-%m-%dT%H:%M:%S.%f')
+        except ValueError as e:
+            LOG.exception(_LE("Error on parse {} : {}").format(status_time, e))
+            return
+        delta = timeutils.utcnow() - st
+        time_dict = {}
+        time_dict['days'] = delta.days
+        time_dict['hours'] = delta.seconds//3600
+        time_dict['minutes'] = (delta.seconds % 3600)//60
+        time_dict['seconds'] = delta.seconds
+        if time_dict['days']:
+            return '{} days'.format(time_dict['days'])
+        if time_dict['hours']:
+            return '{} hours'.format(time_dict['hours'])
+        if time_dict['minutes']:
+            return '{} mins'.format(time_dict['minutes'])
+        if time_dict['seconds']:
+            return '{} seconds'.format(time_dict['seconds'])
+        return
+
     def _populate_container(self, container, response):
         status = response.get('State')
         if status:
+            status_detail = ''
             if status.get('Error') is True:
                 container.status = fields.ContainerStatus.ERROR
+                status_detail = self.format_status_detail(
+                    status.get('FinishedAt'))
+                container.status_detail = "Exited({}) {} ago " \
+                    "(error)".format(status.get('ExitCode'), status_detail)
             elif status.get('Paused'):
                 container.status = fields.ContainerStatus.PAUSED
+                status_detail = self.format_status_detail(
+                    status.get('StartedAt'))
+                container.status_detail = "Up {} (paused)".format(
+                    status_detail)
             elif status.get('Running'):
                 container.status = fields.ContainerStatus.RUNNING
+                status_detail = self.format_status_detail(
+                    status.get('StartedAt'))
+                container.status_detail = "Up {}".format(
+                    status_detail)
             else:
                 container.status = fields.ContainerStatus.STOPPED
+                status_detail = self.format_status_detail(
+                    status.get('FinishedAt'))
+                container.status_detail = "Exited({}) {} ago ".format(
+                    status.get('ExitCode'), status_detail)
+            if status_detail is None:
+                container.status_detail = None
 
         config = response.get('Config')
         if config:
-            # populate hostname
-            container.hostname = config.get('Hostname')
-            # populate ports
-            ports = []
-            exposed_ports = config.get('ExposedPorts')
-            if exposed_ports:
-                for key in exposed_ports:
-                    port = key.split('/')[0]
-                    ports.append(int(port))
-            container.ports = ports
+            self._populate_hostname_and_ports(container, config)
+
+    def _populate_hostname_and_ports(self, container, config):
+        # populate hostname
+        container.hostname = config.get('Hostname')
+        # populate ports
+        ports = []
+        exposed_ports = config.get('ExposedPorts')
+        if exposed_ports:
+            for key in exposed_ports:
+                port = key.split('/')[0]
+                ports.append(int(port))
+        container.ports = ports
 
     @check_container_id
     def reboot(self, container, timeout):

zun/db/sqlalchemy/alembic/versions/ad43a2179cf2_add_status_detail.py

@@ -0,0 +1,34 @@
+# Licensed under the Apache License, Version 2.0 (the "License");
+#    you may not use this file except in compliance with the License.
+#    You may obtain a copy of the License at
+#
+#        http://www.apache.org/licenses/LICENSE-2.0
+#
+#    Unless required by applicable law or agreed to in writing, software
+#    distributed under the License is distributed on an "AS IS" BASIS,
+#    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#    See the License for the specific language governing permissions and
+#    limitations under the License.
+
+
+"""add_status_detail
+
+Revision ID: ad43a2179cf2
+Revises: bbcfa910a8a5
+Create Date: 2017-01-17 03:14:50.739446
+
+"""
+
+# revision identifiers, used by Alembic.
+revision = 'ad43a2179cf2'
+down_revision = 'bbcfa910a8a5'
+branch_labels = None
+depends_on = None
+
+from alembic import op
+import sqlalchemy as sa
+
+
+def upgrade():
+    op.add_column('container', sa.Column('status_detail',
+                  sa.String(length=50), nullable=True))

zun/db/sqlalchemy/models.py

@@ -147,6 +147,7 @@ class Container(Base):
     image_pull_policy = Column(Text, nullable=True)
     host = Column(String(255))
     restart_policy = Column(JSONEncodedDict)
+    status_detail = Column(String(50))
 
 
 class Image(Base):

zun/objects/container.py

@@ -28,7 +28,8 @@ class Container(base.ZunPersistentObject, base.ZunObject):
     # Version 1.6: Add addresses column
     # Version 1.7: Add host column
     # Version 1.8: Add restart_policy
-    VERSION = '1.8'
+    # Version 1.9: Add status_detail column
+    VERSION = '1.9'
 
     fields = {
         'id': fields.IntegerField(),
@@ -54,6 +55,7 @@ class Container(base.ZunPersistentObject, base.ZunObject):
         'image_pull_policy': fields.StringField(nullable=True),
         'host': fields.StringField(nullable=True),
         'restart_policy': fields.DictOfStringsField(nullable=True),
+        'status_detail': fields.StringField(nullable=True)
     }
 
     @staticmethod

zun/tests/unit/db/utils.py

@@ -59,6 +59,7 @@ def get_test_container(**kw):
         'host': kw.get('host', 'localhost'),
         'restart_policy': kw.get('restart_policy',
                                  {'Name': 'no', 'MaximumRetryCount': '0'}),
+        'status_detail': kw.get('status_detail', 'up from 5 hours'),
     }