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utils.py
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utils.py
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#!/usr/bin/env python
# # -*- coding: utf-8 -*-
import argparse
import json
import re
import subprocess
RESOURCE_GROUP = ''
IMAGE_NAME = ''
VM_SIZE = ''
def run(cmd, silent=False):
ret = subprocess.check_output(cmd, shell=True)
ret = ret.decode('utf-8')
if not silent:
print('+', cmd)
print(ret)
return ret
def run_on_vm(ip, cmd, silent=False):
cmd = """ \
ssh -o StrictHostKeyChecking=no \
jenkins@{ip} \"{cmd}\"
""".format(ip=ip, cmd=cmd)
ret = subprocess.check_output(cmd, shell=True)
ret = ret.decode('utf-8')
if not silent:
print('+', cmd)
print(ret)
return ret
def get_slaves_list(silent=False):
cmd = """ \
az vm list -g {resource_group} --show-details \
--query \"[?contains(name, 'slave')].[name, powerState]\" \
-o json
""".format(
resource_group=RESOURCE_GROUP
)
return json.loads(run(cmd, silent=silent))
def create_vm(name, silent=False):
cmd = """ \
az vm create -g {resource_group} -n {name} \
--image {image_name} --public-ip-address \"\" \
--admin-username jenkins --generate-ssh-keys \
--size {vm_size} -o json
""".format(
resource_group=RESOURCE_GROUP,
name=name,
image_name=IMAGE_NAME,
vm_size=VM_SIZE,
)
return json.loads(run(cmd, silent=silent))
def get_nic_info(nic_name, silent=False):
cmd = """ \
az network nic show -n {nic_name} -g {resource_group} -o json
""".format(nic_name=nic_name, resource_group=RESOURCE_GROUP)
return json.loads(run(cmd, silent=silent))
def delete_vm(name):
cmd = """ \
az vm get-instance-view -g {resource_group} -n {name}
""".format(resource_group=RESOURCE_GROUP, name=name)
vm_info = json.loads(run(cmd, silent=True))
nic_name = vm_info['networkProfile']['networkInterfaces'][0]['id'].split('/')[-1]
disk_name = vm_info['storageProfile']['osDisk']['name']
nic_info = get_nic_info(nic_name, silent=True)
nsg_name = nic_info['networkSecurityGroup']['id'].split('/')[-1]
public_ip_name = nic_info['ipConfigurations'][0]['publicIpAddress']['id'].split('/')[-1]
run("az vm delete -g {resource_group} -n {name} -y".format(resource_group=RESOURCE_GROUP, name=name))
run("az disk delete -g {resource_group} -n {disk_name} -y".format(resource_group=RESOURCE_GROUP, disk_name=disk_name))
run("az network nic delete -g {resource_group} -n {nic_name}".format(
resource_group=RESOURCE_GROUP, nic_name=nic_name))
run("az network nsg delete -g {resource_group} -n {nsg_name}".format(
resource_group=RESOURCE_GROUP, nsg_name=nsg_name))
run("az network public-ip delete -g {resource_group} -n {public_ip_name}".format(
resource_group=RESOURCE_GROUP, public_ip_name=public_ip_name))
def deallocate_vm(name, silent=False):
cmd = """ \
az vm deallocate -g {resource_group} -n {name} -o json
""".format(
resource_group=RESOURCE_GROUP,
name=name
)
return json.loads(run(cmd, silent=silent))
def start_vm(name, silent=False):
cmd = """ \
az vm start -g {resource_group} -n {name} -o json
""".format(
resource_group=RESOURCE_GROUP,
name=name
)
return json.loads(run(cmd, silent=silent))
def get_vm_ip(name, silent=False):
cmd = """ \
az vm list-ip-addresses -g {resource_group} -n {name} \
--query \"[0].virtualMachine.network.privateIpAddresses[0]\" -o tsv
""".format(resource_group=RESOURCE_GROUP, name=name)
return run(cmd, silent=silent).strip()
def get_free_slave(silent=False):
slaves = get_slaves_list(silent=silent)
# If there is no created slave VM
if len(slaves) == 0:
vm_name = 'slave0'
create_vm(vm_name, silent=silent)
return vm_name
# If there is a deallocated slave VM
for vm_name, state in slaves:
if 'deallocated' in state:
start_vm(vm_name, silent=silent)
return vm_name
# If all slave VMs are running
max_id = max([int(re.search('slave([0-9]+)', n).groups()[0]) for n, _ in slaves])
vm_name = 'slave' + str(max_id + 1)
create_vm(vm_name, silent=silent)
return vm_name
if __name__ == '__main__':
parser = argparse.ArgumentParser()
parser.add_argument('--resource-group', '-g', type=str, default='chainerci')
parser.add_argument('--image', '-n', type=str, default='slave-image')
parser.add_argument('--size', '-s', type=str, default='Standard_NC12')
subparsers = parser.add_subparsers(dest='cmd')
parser_get_free_slave = subparsers.add_parser('get-slaves-list')
parser_get_free_slave = subparsers.add_parser('get-free-slave')
parser_deallocate_vm = subparsers.add_parser('deallocate-vm')
parser_deallocate_vm.add_argument('vm_name', type=str)
paraser_delete_vm = subparsers.add_parser('delete-vm')
paraser_delete_vm.add_argument('vm_name', type=str)
parser_get_vm_ip = subparsers.add_parser('get-vm-ip')
parser_get_vm_ip.add_argument('vm_name', type=str)
args = parser.parse_args()
RESOURCE_GROUP = args.resource_group
IMAGE_NAME = args.image
VM_SIZE = args.size
if args.cmd == 'get-slaves-list':
get_slaves_list()
elif args.cmd == 'get-free-slave':
vm_name = get_free_slave(silent=True)
print(vm_name)
elif args.cmd == 'deallocate-vm':
deallocate_vm(args.vm_name)
elif args.cmd == 'delete-vm':
delete_vm(args.vm_name)
elif args.cmd == 'get-vm-ip':
get_vm_ip(args.vm_name)