improve host sync

pull/342/head
vapao 2021-06-28 00:37:12 +08:00
parent f8bfc127f1
commit f5d9dcac18
2 changed files with 70 additions and 29 deletions

View File

@ -4,8 +4,7 @@
from django.views.generic import View
from libs import json_response, JsonParser, Argument, human_datetime
from apps.host.models import Host, HostExtend
from apps.host.utils import check_os_type
import ipaddress
from apps.host.utils import check_os_type, fetch_host_extend
import json
@ -20,33 +19,8 @@ class ExtendView(View):
return json_response(error='未找到指定主机')
if not host.is_verified:
return json_response(error='该主机还未验证')
cli = host.get_ssh()
commands = [
"lscpu | grep '^CPU(s)' | awk '{print $2}'",
"free -m | awk 'NR==2{print $2}'",
"hostname -I",
"cat /etc/os-release | grep PRETTY_NAME | awk -F \\\" '{print $2}'",
"fdisk -l | grep '^Disk /' | awk '{print $5}'"
]
code, out = cli.exec_command(';'.join(commands))
if code != 0:
return json_response(error=f'Exception: {out}')
response = {'disk': [], 'public_ip_address': [], 'private_ip_address': []}
for index, line in enumerate(out.strip().split('\n')):
if index == 0:
response['cpu'] = int(line)
elif index == 1:
response['memory'] = round(int(line) / 1000, 1)
elif index == 2:
for ip in line.split():
if ipaddress.ip_address(ip).is_global:
response['public_ip_address'].append(ip)
else:
response['private_ip_address'].append(ip)
elif index == 3:
response['os_name'] = line
else:
response['disk'].append(round(int(line) / 1024 / 1024 / 1024, 0))
ssh = host.get_ssh()
response = fetch_host_extend(ssh)
return json_response(response)
return json_response(error=error)

View File

@ -2,8 +2,13 @@
# Copyright: (c) <spug.dev@gmail.com>
# Released under the AGPL-3.0 License.
from libs.helper import make_ali_request, make_tencent_request
from libs.ssh import SSH, AuthenticationException
from libs.utils import AttrDict, human_datetime
from apps.host.models import HostExtend
from collections import defaultdict
from datetime import datetime, timezone
import ipaddress
import json
def check_os_type(os_name):
@ -169,3 +174,65 @@ def fetch_tencent_instances(ak, ac, region_id, page_number=1):
new_data = fetch_tencent_instances(ak, ac, region_id, page_number)
data.extend(new_data)
return data
def sync_host_extend(host, private_key, public_key, password=None):
kwargs = host.to_dict(selects=('hostname', 'port', 'username'))
ssh = _get_ssh(kwargs, host.pkey, private_key, public_key, password)
form = AttrDict(fetch_host_extend(ssh))
form.disk = json.dumps(form.disk)
form.public_ip_address = json.dumps(form.public_ip_address)
form.private_ip_address = json.dumps(form.private_ip_address)
form.updated_at = human_datetime()
form.os_type = check_os_type(form.os_name)
if hasattr(host, 'hostextend'):
extend = host.hostextend
extend.update_by_dict(form)
else:
HostExtend.objects.create(host=host, **form)
def fetch_host_extend(ssh):
commands = [
"lscpu | grep '^CPU(s)' | awk '{print $2}'",
"free -m | awk 'NR==2{print $2}'",
"hostname -I",
"cat /etc/os-release | grep PRETTY_NAME | awk -F \\\" '{print $2}'",
"fdisk -l | grep '^Disk /' | awk '{print $5}'",
"fdisk -l | grep '^磁盘 /' | awk '{print $5}'"
]
code, out = ssh.exec_command(';'.join(commands))
if code != 0:
raise Exception(out)
response = {'disk': [], 'public_ip_address': [], 'private_ip_address': []}
for index, line in enumerate(out.strip().split('\n')):
if index == 0:
response['cpu'] = int(line)
elif index == 1:
response['memory'] = round(int(line) / 1000, 1)
elif index == 2:
for ip in line.split():
if ipaddress.ip_address(ip).is_global:
response['public_ip_address'].append(ip)
else:
response['private_ip_address'].append(ip)
elif index == 3:
response['os_name'] = line
else:
response['disk'].append(round(int(line) / 1024 / 1024 / 1024, 0))
return response
def _get_ssh(kwargs, pkey=None, private_key=None, public_key=None, password=None):
try:
if pkey:
ssh = SSH(pkey=pkey, **kwargs)
ssh.ping()
return ssh
else:
ssh = SSH(password=str(password), **kwargs)
ssh.add_public_key(public_key)
return _get_ssh(kwargs, private_key)
except AuthenticationException:
if password:
return _get_ssh(kwargs, None, public_key, public_key, password)