resetroot_169route_python2(用于ubuntu12.04和14.04，centos系列) #!/usr/bin/pythonimport os import json import subprocess from cloudinit.sources.DataSourceConfigDrive import find_candidate_devs, read_config_drive from cloudinit.util import mount_cb from six.moves.urllib.request import urlopen from six.moves.urllib.parse import urlencodedef shell(cmd):sp = subprocess.Popen(cmd, shell=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE)out, err = sp.communicate()return out, errINSTANCE_ID_RUN_PATH = "/run/cloud-init/.instance-id"# Ensure /run/cloud-init/.instance-id not exists so we can reload DataSource from ConfigDrive. if os.path.isfile(INSTANCE_ID_RUN_PATH):os.unlink(INSTANCE_ID_RUN_PATH)# Before resetroot, We must ensure if 169.254.169.254 have gateway gateways = [] for dev in find_candidate_devs():results = mount_cb(dev, read_config_drive)network_data = results.get("networkdata")networks = network_data.get("networks",None)found = devif found:if not networks:continuefor network in networks:routes = network.get("routes", None)if not routes:continuefor route in routes:gateway = route.get('gateway')gateways.append(gateway)breakif gateways:gateway = gateways[0]cmd = "route add -host 169.254.169.254 gw %s" % gatewayout,err = shell(cmd)data = urlopen("http://169.254.169.254/openstack/latest/meta_data.json").read() json_data = json.loads(data.decode("utf-8"))meta = json_data.get("meta") if meta:adminPass = meta.get("admin_pass")if adminPass:os.system("echo 'root:%s' | chpasswd" % adminPass)params = urlencode({"delete":True})f = urlopen("http://169.254.169.254/openstack/latest/password", params)f.read() View Code

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posted on 2018-09-12 18:00?gushiren 閱讀(...) 評論(...) 編輯 收藏

轉載于:https://www.cnblogs.com/gushiren/p/9636373.html

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