136 lines
4.6 KiB
Plaintext
136 lines
4.6 KiB
Plaintext
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import decimal
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import textwrap
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from orchestra.contrib.orchestration import ServiceController
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from orchestra.contrib.resources import ServiceMonitor
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from . import settings
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class ProxmoxOVZ(ServiceController):
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model = 'vps.VPS'
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RESOURCES = (
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('memory', 'mem'),
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('swap', 'swap'),
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('disk', 'disk')
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)
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GET_PROXMOX_INFO = textwrap.dedent("""
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function get_vz_info () {
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hostname=$1
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version=$(pveversion | cut -d '/' -f2 | cut -d'.' -f1)
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if [[ $version -lt 2 ]]; then
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conf=$(grep "CID\\|:$hostname:" /var/lib/pve-manager/vzlist | grep -B1 ":$hostname:")
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CID=$(echo "$conf" | head -n1 | cut -d':' -f2)
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CTID=$(echo "$conf" | tail -n1 | cut -d':' -f1)
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node=$(pveca -l | grep "^\\s*$CID\\s*:" | awk {'print $3'})
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else
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conf=$(grep -r "HOSTNAME=\\"$hostname\\"" /etc/pve/nodes/*/openvz/*.conf)
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node=$(echo "${conf}" | cut -d"/" -f5)
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CTID=$(echo "${conf}" | cut -d"/" -f7 | cut -d"\\." -f1)
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fi
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echo $CTID $node
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}""")
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def prepare(self):
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super(ProxmoxOVZ, self).prepare()
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self.append(self.GET_PROXMOX_INFO)
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def get_vzset_args(self, context):
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args = list(settings.VPS_DEFAULT_VZSET_ARGS)
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for resource, arg_name in self.RESOURCES:
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try:
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allocation = context[resource]
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except KeyError:
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pass
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else:
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args.append('--%s %i' % (arg_name, allocation))
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return ' '.join(args)
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def run_ssh_commands(self, ssh_commands):
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commands = '\n '.join(ssh_commands)
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self.append(textwrap.dedent("""\
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cat << EOF | ssh root@${info[1]}
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%s
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EOF""") % commands
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)
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def save(self, vps):
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# TODO create the container
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context = self.get_context(vps)
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self.append(textwrap.dedent("""
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info=( $(get_vz_info %(hostname)s) )
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echo "Managing ${info[@]}"\
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""") % context
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)
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ssh_commands = []
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vzset_args = self.get_vzset_args(context)
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if vzset_args:
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context['vzset_args'] = vzset_args
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ssh_commands.append("pvectl vzset ${info[0]} %(vzset_args)s" % context)
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if hasattr(vps, 'password'):
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context['password'] = vps.password.replace('$', '\\$')
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ssh_commands.append(textwrap.dedent("""\
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echo 'root:%(password)s' \\
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| chroot /var/lib/vz/private/${info[0]} chpasswd -e""") % context
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)
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self.run_ssh_commands(ssh_commands)
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def get_context(self, vps):
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context = {
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'hostname': vps.hostname,
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}
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for resource, __ in self.RESOURCES:
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try:
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allocation = getattr(vps.resources, resource).allocated
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except AttributeError:
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pass
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else:
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context[resource] = allocation
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return context
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class ProxmoxOpenVZTraffic(ServiceMonitor):
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model = 'vps.VPS'
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resource = ServiceMonitor.TRAFFIC
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monthly_sum_old_values = True
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GET_PROXMOX_INFO = ProxmoxOVZ.GET_PROXMOX_INFO
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def prepare(self):
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super(ProxmoxOpenVZTraffic, self).prepare()
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self.append(self.GET_PROXMOX_INFO)
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self.append(textwrap.dedent("""
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function monitor () {
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object_id=$1
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hostname=$2
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info=( $(get_vz_info $hostname) )
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cat << EOF | ssh root@${info[1]}
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vzctl exec ${info[0]} cat /proc/net/dev \\
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| grep venet0 \\
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| tr ':' ' ' \\
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| awk '{sum=\\$2+\\$10} END {printf ("$object_id %0.0f\\n", sum)}'
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EOF
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}
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""")
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)
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def process(self, line):
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""" diff with last stored state """
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object_id, value, state = super(ProxmoxOpenVZTraffic, self).process(line)
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value = decimal.Decimal(value)
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last = self.get_last_data(object_id)
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if not last or last.state > value:
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return object_id, value, value
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return object_id, value-last.state, value
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def monitor(self, vps):
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""" Get OpenVZ container traffic on a Proxmox cluster """
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context = self.get_context(vps)
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self.append('monitor %(object_id)s %(hostname)s' % context)
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def get_context(self, vps):
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return {
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'object_id': vps.id,
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'hostname': vps.hostname,
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}
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