Merge compass-tasks-osa and compass-tasks-k8s

JIRA: COMPASS-568

rename compass-tasks to compass-tasks-base.
add both osa and k8s support in compass-tasks

Change-Id: I438f5b17e509d4cb751ced0ffe640ec70899882f
Signed-off-by: Harry Huang <huangxiangyu5@huawei.com>

1 files changed, 115 insertions, 0 deletions

diff --git a/compass-tasks-base/actions/health_check/check_celery.py b/compass-tasks-base/actions/health_check/check_celery.py
new file mode 100644
index 0000000..2d8d27c
--- /dev/null
+++ b/compass-tasks-base/actions/health_check/check_celery.py
@@ -0,0 +1,115 @@
+# Copyright 2014 Huawei Technologies Co. Ltd
+#
+# 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.
+
+"""Health Check module for Celery."""
+import commands
+import os
+
+from celery.task.control import inspect
+
+from compass.actions.health_check import base
+from compass.actions.health_check import utils as health_check_utils
+
+
+class CeleryCheck(base.BaseCheck):
+    """celery health check class."""
+    NAME = "Celery Check."
+
+    def run(self):
+        """do health check."""
+        self.check_compass_celery_setting()
+        print "[Done]"
+        self.check_celery_backend()
+        print "[Done]"
+        if self.code == 1:
+            self.messages.append("[%s]Info: Celery health check "
+                                 "has completed. No problems found, "
+                                 "all systems go." % self.NAME)
+        return (self.code, self.messages)
+
+    def check_compass_celery_setting(self):
+        """Validates Celery settings."""
+
+        print "Checking Celery setting......",
+        setting_map = {
+            'logfile': 'CELERY_LOGFILE',
+            'configdir': 'CELERYCONFIG_DIR',
+            'configfile': 'CELERYCONFIG_FILE',
+        }
+        unset = []
+        res = health_check_utils.validate_setting('Celery',
+                                                  self.config,
+                                                  'CELERY_LOGFILE')
+        if res is False:
+            unset.append(setting_map["logfile"])
+            self._set_status(0, res)
+
+        res = health_check_utils.validate_setting('Celery',
+                                                  self.config,
+                                                  'CELERYCONFIG_DIR')
+        if res is False:
+            unset.append(setting_map["configdir"])
+            self._set_status(0, res)
+
+        res = health_check_utils.validate_setting('Celery',
+                                                  self.config,
+                                                  'CELERYCONFIG_FILE')
+        if res is False:
+            unset.append(setting_map["configdir"])
+            self._set_status(0, res)
+
+        if len(unset) != 0:
+            self._set_status(0,
+                             "[%s]Error: Unset celery settings: %s"
+                             " in /etc/compass/setting"
+                             % (self.NAME, ', '.join(item for item in unset)))
+        return True
+
+    def check_celery_backend(self):
+        """Checks if Celery backend is running and configured properly."""
+
+        print "Checking Celery Backend......",
+        if 'celery worker' not in commands.getoutput('ps -ef'):
+            self._set_status(0, "[%s]Error: celery is not running" % self.NAME)
+            return True
+
+        if not os.path.exists('/etc/compass/celeryconfig'):
+            self._set_status(
+                0,
+                "[%s]Error: No celery config file found for Compass"
+                % self.NAME)
+            return True
+
+        try:
+            insp = inspect()
+            celery_stats = inspect.stats(insp)
+            if not celery_stats:
+                self._set_status(
+                    0,
+                    "[%s]Error: No running Celery workers were found."
+                    % self.NAME)
+        except IOError as error:
+            self._set_status(
+                0,
+                "[%s]Error: Failed to connect to the backend: %s"
+                % (self.NAME, str(error)))
+            from errno import errorcode
+            if (
+                len(error.args) > 0 and
+                errorcode.get(error.args[0]) == 'ECONNREFUSED'
+            ):
+                self.messages.append(
+                    "[%s]Error: RabbitMQ server isn't running"
+                    % self.NAME)
+        return True