diff options
Diffstat (limited to 'compass-tasks/db/api/health_check_report.py')
| -rw-r--r-- | compass-tasks/db/api/health_check_report.py | 190 |
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." + } |