Merge "Add compass-tasks"

1 files changed, 190 insertions, 0 deletions

diff --git a/compass-tasks/db/api/health_check_report.py b/compass-tasks/db/api/health_check_report.py
new file mode 100644
index 0000000..aaea7a7
--- /dev/null
+++ b/compass-tasks/db/api/health_check_report.py
@@ -0,0 +1,190 @@
+# 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.
+
+"""Cluster health check report."""
+import logging
+
+from compass.db.api import cluster as cluster_api
+from compass.db.api import database
+from compass.db.api import host as host_api
+from compass.db.api import permission
+from compass.db.api import user as user_api
+from compass.db.api import utils
+from compass.db import exception
+from compass.db import models
+
+
+REQUIRED_INSERT_FIELDS = ['name']
+OPTIONAL_INSERT_FIELDS = [
+    'display_name', 'report', 'category', 'state', 'error_message'
+]
+UPDATE_FIELDS = ['report', 'state', 'error_message']
+RESP_FIELDS = [
+    'cluster_id', 'name', 'display_name', 'report',
+    'category', 'state', 'error_message'
+]
+RESP_ACTION_FIELDS = ['cluster_id', 'status']
+
+
+@utils.supported_filters(REQUIRED_INSERT_FIELDS, OPTIONAL_INSERT_FIELDS)
+@database.run_in_session()
+@utils.wrap_to_dict(RESP_FIELDS)
+def add_report_record(cluster_id, name=None, report={},
+                      state='verifying', session=None, **kwargs):
+    """Create a health check report record."""
+    # Replace any white space into '-'
+    words = name.split()
+    name = '-'.join(words)
+    cluster = cluster_api.get_cluster_internal(cluster_id, session=session)
+    return utils.add_db_object(
+        session, models.HealthCheckReport, True, cluster.id, name,
+        report=report, state=state, **kwargs
+    )
+
+
+def _get_report(cluster_id, name, session=None):
+    cluster = cluster_api.get_cluster_internal(cluster_id, session=session)
+    return utils.get_db_object(
+        session, models.HealthCheckReport, cluster_id=cluster.id, name=name
+    )
+
+
+@utils.supported_filters(UPDATE_FIELDS)
+@database.run_in_session()
+@utils.wrap_to_dict(RESP_FIELDS)
+def update_report(cluster_id, name, session=None, **kwargs):
+    """Update health check report."""
+    report = _get_report(cluster_id, name, session=session)
+    if report.state == 'finished':
+        err_msg = 'Report cannot be updated if state is in "finished"'
+        raise exception.Forbidden(err_msg)
+
+    return utils.update_db_object(session, report, **kwargs)
+
+
+@utils.supported_filters(UPDATE_FIELDS)
+@database.run_in_session()
+@utils.wrap_to_dict(RESP_FIELDS)
+def update_multi_reports(cluster_id, session=None, **kwargs):
+    """Bulk update reports."""
+    # TODO(grace): rename the fuction if needed to reflect the fact.
+    return set_error(cluster_id, session=session, **kwargs)
+
+
+def set_error(cluster_id, report={}, session=None,
+              state='error', error_message=None):
+    cluster = cluster_api.get_cluster_internal(cluster_id, session=session)
+    logging.debug(
+        "updates all reports as %s in cluster %s",
+        state, cluster_id
+    )
+    return utils.update_db_objects(
+        session, models.HealthCheckReport,
+        updates={
+            'report': {},
+            'state': 'error',
+            'error_message': error_message
+        }, cluster_id=cluster.id
+    )
+
+
+@database.run_in_session()
+@user_api.check_user_permission(
+    permission.PERMISSION_LIST_HEALTH_REPORT
+)
+@utils.wrap_to_dict(RESP_FIELDS)
+def list_health_reports(cluster_id, user=None, session=None):
+    """List all reports in the specified cluster."""
+    cluster = cluster_api.get_cluster_internal(cluster_id, session=session)
+    return utils.list_db_objects(
+        session, models.HealthCheckReport, cluster_id=cluster.id
+    )
+
+
+@database.run_in_session()
+@user_api.check_user_permission(
+    permission.PERMISSION_GET_HEALTH_REPORT
+)
+@utils.wrap_to_dict(RESP_FIELDS)
+def get_health_report(cluster_id, name, user=None, session=None):
+    return _get_report(
+        cluster_id, name, session=session
+    )
+
+
+@database.run_in_session()
+@user_api.check_user_permission(
+    permission.PERMISSION_DELETE_REPORT
+)
+@utils.wrap_to_dict(RESP_FIELDS)
+def delete_reports(cluster_id, name=None, user=None, session=None):
+    # TODO(grace): better to separate this function into two.
+    # One is to delete a report of a cluster, the other to delete all
+    # reports under a cluster.
+    if name:
+        report = _get_report(cluster_id, name, session=session)
+        return utils.del_db_object(session, report)
+    else:
+        cluster = cluster_api.get_cluster_internal(
+            cluster_id, session=session
+        )
+        return utils.del_db_objects(
+            session, models.HealthCheckReport, cluster_id=cluster.id
+        )
+
+
+@utils.supported_filters(optional_support_keys=['check_health'])
+@database.run_in_session()
+@user_api.check_user_permission(
+    permission.PERMISSION_CHECK_CLUSTER_HEALTH
+)
+@utils.wrap_to_dict(RESP_ACTION_FIELDS)
+def start_check_cluster_health(cluster_id, send_report_url,
+                               user=None, session=None, check_health={}):
+    """Start to check cluster health."""
+    cluster = cluster_api.get_cluster_internal(cluster_id, session=session)
+
+    if cluster.state.state != 'SUCCESSFUL':
+        logging.debug("state is %s" % cluster.state.state)
+        err_msg = "Healthcheck starts only after cluster finished deployment!"
+        raise exception.Forbidden(err_msg)
+
+    reports = utils.list_db_objects(
+        session, models.HealthCheckReport,
+        cluster_id=cluster.id, state='verifying'
+    )
+    if reports:
+        err_msg = 'Healthcheck in progress, please wait for it to complete!'
+        raise exception.Forbidden(err_msg)
+
+    # Clear all preivous report
+    # TODO(grace): the delete should be moved into celery task.
+    # We should consider the case that celery task is down.
+    utils.del_db_objects(
+        session, models.HealthCheckReport, cluster_id=cluster.id
+    )
+
+    from compass.tasks import client as celery_client
+    celery_client.celery.send_task(
+        'compass.tasks.cluster_health',
+        (cluster.id, send_report_url, user.email),
+        queue=user.email,
+        exchange=user.email,
+        routing_key=user.email
+    )
+    return {
+        "cluster_id": cluster.id,
+        "status": "start to check cluster health."
+    }