75 lines
2.8 KiB
Python
75 lines
2.8 KiB
Python
import json
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import uncloud.secrets as secrets
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from xmlrpc.client import ServerProxy as RPCClient
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from django.core.management.base import BaseCommand
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from xmltodict import parse
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from enum import IntEnum
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from opennebula.models import VM as VMModel
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from uncloud_vm.models import VMHost
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from django_auth_ldap.backend import LDAPBackend
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class HostStates(IntEnum):
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"""
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The following flags are copied from
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https://docs.opennebula.org/5.8/integration/system_interfaces/api.html#schemas-for-host
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"""
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INIT = 0 # Initial state for enabled hosts
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MONITORING_MONITORED = 1 # Monitoring the host (from monitored)
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MONITORED = 2 # The host has been successfully monitored
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ERROR = 3 # An error ocurrer while monitoring the host
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DISABLED = 4 # The host is disabled
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MONITORING_ERROR = 5 # Monitoring the host (from error)
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MONITORING_INIT = 6 # Monitoring the host (from init)
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MONITORING_DISABLED = 7 # Monitoring the host (from disabled)
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OFFLINE = 8 # The host is totally offline
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class Command(BaseCommand):
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help = 'Syncronize Host information from OpenNebula'
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def add_arguments(self, parser):
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pass
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def handle(self, *args, **options):
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with RPCClient(secrets.OPENNEBULA_URL) as rpc_client:
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success, response, *_ = rpc_client.one.hostpool.info(secrets.OPENNEBULA_USER_PASS)
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if success:
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response = json.loads(json.dumps(parse(response)))
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host_pool = response.get('HOST_POOL', {}).get('HOST', {})
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for host in host_pool:
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host_share = host.get('HOST_SHARE', {})
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host_name = host.get('NAME')
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state = int(host.get('STATE', HostStates.OFFLINE.value))
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if state == HostStates.MONITORED:
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status = 'active'
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elif state == HostStates.DISABLED:
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status = 'disabled'
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else:
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status = 'unusable'
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usable_cores = host_share.get('TOTAL_CPU')
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usable_ram_in_kb = int(host_share.get('TOTAL_MEM', 0))
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usable_ram_in_gb = int(usable_ram_in_kb / 2 ** 20)
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# vms cannot be created like this -- Nico, 2020-03-17
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# vms = host.get('VMS', {}) or {}
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# vms = vms.get('ID', []) or []
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# vms = ','.join(vms)
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VMHost.objects.update_or_create(
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hostname=host_name,
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defaults={
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'usable_cores': usable_cores,
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'usable_ram_in_gb': usable_ram_in_gb,
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'status': status
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}
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)
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else:
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print(response)
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