148 lines
6.1 KiB
Python
148 lines
6.1 KiB
Python
#!/usr/bin/env python3
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# cluster.py - PVC CLI client function library, cluster management
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# Part of the Parallel Virtual Cluster (PVC) system
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#
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# Copyright (C) 2018-2020 Joshua M. Boniface <joshua@boniface.me>
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <https://www.gnu.org/licenses/>.
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#
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###############################################################################
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import json
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import cli_lib.ansiprint as ansiprint
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from cli_lib.common import call_api
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def initialize(config):
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"""
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Initialize the PVC cluster
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API endpoint: GET /api/v1/initialize
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API arguments:
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API schema: {json_data_object}
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"""
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response = call_api(config, 'post', '/initialize')
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if response.status_code == 200:
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retstatus = True
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else:
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retstatus = False
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return retstatus, response.json()['message']
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def maintenance_mode(config, state):
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"""
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Enable or disable PVC cluster maintenance mode
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API endpoint: POST /api/v1/status
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API arguments: {state}={state}
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API schema: {json_data_object}
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"""
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params = {
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'state': state
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}
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response = call_api(config, 'post', '/status', params=params)
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if response.status_code == 200:
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retstatus = True
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else:
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retstatus = False
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return retstatus, response.json()['message']
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def get_info(config):
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"""
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Get status of the PVC cluster
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API endpoint: GET /api/v1/status
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API arguments:
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API schema: {json_data_object}
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"""
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response = call_api(config, 'get', '/status')
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if response.status_code == 200:
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return True, response.json()
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else:
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return False, response.json()['message']
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def format_info(cluster_information, oformat):
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if oformat == 'json':
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return json.dumps(cluster_information)
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if oformat == 'json-pretty':
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return json.dumps(cluster_information, indent=4)
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# Plain formatting, i.e. human-readable
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if cluster_information['health'] == 'Optimal':
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health_colour = ansiprint.green()
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elif cluster_information['health'] == 'Maintenance':
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health_colour = ansiprint.blue()
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else:
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health_colour = ansiprint.yellow()
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ainformation = []
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ainformation.append('{}PVC cluster status:{}'.format(ansiprint.bold(), ansiprint.end()))
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ainformation.append('')
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ainformation.append('{}Cluster health:{} {}{}{}'.format(ansiprint.purple(), ansiprint.end(), health_colour, cluster_information['health'], ansiprint.end()))
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ainformation.append('{}Primary node:{} {}'.format(ansiprint.purple(), ansiprint.end(), cluster_information['primary_node']))
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ainformation.append('{}Cluster upstream IP:{} {}'.format(ansiprint.purple(), ansiprint.end(), cluster_information['upstream_ip']))
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ainformation.append('')
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ainformation.append('{}Total nodes:{} {}'.format(ansiprint.purple(), ansiprint.end(), cluster_information['nodes']['total']))
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ainformation.append('{}Total VMs:{} {}'.format(ansiprint.purple(), ansiprint.end(), cluster_information['vms']['total']))
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ainformation.append('{}Total networks:{} {}'.format(ansiprint.purple(), ansiprint.end(), cluster_information['networks']))
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ainformation.append('{}Total OSDs:{} {}'.format(ansiprint.purple(), ansiprint.end(), cluster_information['osds']['total']))
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ainformation.append('{}Total pools:{} {}'.format(ansiprint.purple(), ansiprint.end(), cluster_information['pools']))
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ainformation.append('{}Total volumes:{} {}'.format(ansiprint.purple(), ansiprint.end(), cluster_information['volumes']))
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ainformation.append('{}Total snapshots:{} {}'.format(ansiprint.purple(), ansiprint.end(), cluster_information['snapshots']))
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nodes_string = '{}Nodes:{} {}/{} {}ready,run{}'.format(ansiprint.purple(), ansiprint.end(), cluster_information['nodes'].get('run,ready', 0), cluster_information['nodes'].get('total', 0), ansiprint.green(), ansiprint.end())
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for state, count in cluster_information['nodes'].items():
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if state == 'total' or state == 'run,ready':
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continue
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nodes_string += ' {}/{} {}{}{}'.format(count, cluster_information['nodes']['total'], ansiprint.yellow(), state, ansiprint.end())
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ainformation.append('')
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ainformation.append(nodes_string)
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vms_string = '{}VMs:{} {}/{} {}start{}'.format(ansiprint.purple(), ansiprint.end(), cluster_information['vms'].get('start', 0), cluster_information['vms'].get('total', 0), ansiprint.green(), ansiprint.end())
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for state, count in cluster_information['vms'].items():
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if state == 'total' or state == 'start':
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continue
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if state in ['disable', 'migrate', 'unmigrate', 'provision']:
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colour = ansiprint.blue()
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else:
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colour = ansiprint.yellow()
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vms_string += ' {}/{} {}{}{}'.format(count, cluster_information['vms']['total'], colour, state, ansiprint.end())
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ainformation.append('')
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ainformation.append(vms_string)
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if cluster_information['osds']['total'] > 0:
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osds_string = '{}Ceph OSDs:{} {}/{} {}up,in{}'.format(ansiprint.purple(), ansiprint.end(), cluster_information['osds'].get('up,in', 0), cluster_information['osds'].get('total', 0), ansiprint.green(), ansiprint.end())
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for state, count in cluster_information['osds'].items():
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if state == 'total' or state == 'up,in':
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continue
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osds_string += ' {}/{} {}{}{}'.format(count, cluster_information['osds']['total'], ansiprint.yellow(), state, ansiprint.end())
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ainformation.append('')
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ainformation.append(osds_string)
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ainformation.append('')
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return '\n'.join(ainformation)
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