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diff --git a/agents/azure_arm/fence_azure_arm.py b/agents/azure_arm/fence_azure_arm.py
index 227a7c2e..87252661 100755
--- a/agents/azure_arm/fence_azure_arm.py
+++ b/agents/azure_arm/fence_azure_arm.py
@@ -1,270 +1,257 @@
#!@PYTHON@ -tt
import sys, re, pexpect
import logging
import atexit
import xml.etree.ElementTree as ET
sys.path.append("@FENCEAGENTSLIBDIR@")
from fencing import *
from fencing import fail_usage, run_command, run_delay
import azure_fence
def get_nodes_list(clients, options):
result = {}
if clients:
compute_client = clients[0]
rgName = options["--resourceGroup"]
- vms = compute_client.virtual_machines.list(rgName)
+ vms = azure_fence.get_vm_list(compute_client,rgName)
try:
for vm in vms:
result[vm.name] = ("", None)
except Exception as e:
fail_usage("Failed: %s" % e)
return result
def check_unfence(clients, options):
if clients:
compute_client = clients[0]
network_client = clients[1]
rgName = options["--resourceGroup"]
try:
- vms = compute_client.virtual_machines.list(rgName)
+ vms = azure_fence.get_vm_list(compute_client,rgName)
except Exception as e:
fail_usage("Failed: %s" % e)
for vm in vms:
vmName = vm.name
if azure_fence.get_network_state(compute_client, network_client, rgName, vmName) == "off":
logging.info("Found fenced node " + vmName)
# dont return "off" based on network-fencing status
options.pop("--network-fencing", None)
options["--plug"] = vmName
if get_power_status(clients, options) == "off":
logging.info("Unfencing " + vmName)
options["--network-fencing"] = ""
options["--action"] = "on"
set_power_status(clients, options)
options["--action"] = "monitor"
def get_power_status(clients, options):
vmstate = { "running": "on",
"deallocated": "off",
"stopped": "off" }
logging.info("getting power status for VM " + options["--plug"])
if clients:
compute_client = clients[0]
rgName = options["--resourceGroup"]
vmName = options["--plug"]
if "--network-fencing" in options:
network_client = clients[1]
netState = azure_fence.get_network_state(compute_client, network_client, rgName, vmName)
logging.info("Found network state of VM: " + netState)
# return off quickly once network is fenced instead of waiting for vm state to change
if options["--action"] == "off" and netState == "off":
logging.info("Network fenced for " + vmName)
return netState
powerState = "unknown"
try:
- vmStatus = compute_client.virtual_machines.get(rgName, vmName, expand="instanceView")
+ vmStatus = azure_fence.get_vm_resource(compute_client, rgName, vmName)
except Exception as e:
fail_usage("Failed: %s" % e)
for status in vmStatus.instance_view.statuses:
if status.code.startswith("PowerState"):
powerState = status.code.split("/")[1]
break
vmState = vmstate.get(powerState, "unknown")
logging.info("Found power state of VM: %s (%s)" % (vmState, powerState))
if "--network-fencing" in options and netState == "off":
return "off"
if options["--action"] != "on" and vmState != "off":
return "on"
if vmState == "on":
return "on"
return "off"
def set_power_status(clients, options):
logging.info("setting power status for VM " + options["--plug"] + " to " + options["--action"])
if clients:
compute_client = clients[0]
rgName = options["--resourceGroup"]
vmName = options["--plug"]
if "--network-fencing" in options:
network_client = clients[1]
if (options["--action"]=="off"):
logging.info("Fencing network for " + vmName)
azure_fence.set_network_state(compute_client, network_client, rgName, vmName, "block")
elif (options["--action"]=="on"):
logging.info("Unfencing network for " + vmName)
azure_fence.set_network_state(compute_client, network_client, rgName, vmName, "unblock")
if (options["--action"]=="off"):
logging.info("Poweroff " + vmName + " in resource group " + rgName)
- try:
- # try new API version first
- compute_client.virtual_machines.begin_power_off(rgName, vmName, skip_shutdown=True)
- except AttributeError:
- # use older API verson if it fails
- logging.debug("Poweroff " + vmName + " did not work via 'virtual_machines.begin_power_off. Trying virtual_machines.power_off'.")
- compute_client.virtual_machines.power_off(rgName, vmName, skip_shutdown=True)
+ azure_fence.do_vm_power_off(compute_client, rgName, vmName, True)
elif (options["--action"]=="on"):
logging.info("Starting " + vmName + " in resource group " + rgName)
- try:
- # try new API version first
- compute_client.virtual_machines.begin_start(rgName, vmName)
- except AttributeError:
- # use older API verson if it fails
- logging.debug("Starting " + vmName + " did not work via 'virtual_machines.begin_start. Trying virtual_machines.start'.")
- compute_client.virtual_machines.start(rgName, vmName)
-
+ azure_fence.do_vm_start(compute_client, rgName, vmName)
def define_new_opts():
all_opt["resourceGroup"] = {
"getopt" : ":",
"longopt" : "resourceGroup",
"help" : "--resourceGroup=[name] Name of the resource group",
"shortdesc" : "Name of resource group. Metadata service is used if the value is not provided.",
"required" : "0",
"order" : 2
}
all_opt["tenantId"] = {
"getopt" : ":",
"longopt" : "tenantId",
"help" : "--tenantId=[name] Id of the Azure Active Directory tenant",
"shortdesc" : "Id of Azure Active Directory tenant.",
"required" : "0",
"order" : 3
}
all_opt["subscriptionId"] = {
"getopt" : ":",
"longopt" : "subscriptionId",
"help" : "--subscriptionId=[name] Id of the Azure subscription",
"shortdesc" : "Id of the Azure subscription. Metadata service is used if the value is not provided.",
"required" : "0",
"order" : 4
}
all_opt["network-fencing"] = {
"getopt" : "",
"longopt" : "network-fencing",
"help" : "--network-fencing Use network fencing. See NOTE-section of\n\
metadata for required Subnet/Network Security\n\
Group configuration.",
"shortdesc" : "Use network fencing. See NOTE-section for configuration.",
"required" : "0",
"order" : 5
}
all_opt["msi"] = {
"getopt" : "",
"longopt" : "msi",
"help" : "--msi Use Managed Service Identity instead of\n\
username and password. If specified,\n\
parameters tenantId, login and passwd are not\n\
allowed.",
"shortdesc" : "Determines if Managed Service Identity should be used.",
"required" : "0",
"order" : 6
}
all_opt["cloud"] = {
"getopt" : ":",
"longopt" : "cloud",
"help" : "--cloud=[name] Name of the cloud you want to use. Supported\n\
values are china, germany, usgov, or stack. Do\n\
not use this parameter if you want to use\n\
public Azure.",
"shortdesc" : "Name of the cloud you want to use.",
"required" : "0",
"order" : 7
}
all_opt["metadata-endpoint"] = {
"getopt" : ":",
"longopt" : "metadata-endpoint",
"help" : "--metadata-endpoint=[URL] URL to metadata endpoint (used when cloud=stack).",
"shortdesc" : "URL to metadata endpoint (used when cloud=stack).",
"required" : "0",
"order" : 8
}
# Main agent method
def main():
compute_client = None
network_client = None
device_opt = ["login", "no_login", "no_password", "passwd", "port",
"resourceGroup", "tenantId", "subscriptionId",
"network-fencing", "msi", "cloud", "metadata-endpoint"]
atexit.register(atexit_handler)
define_new_opts()
all_opt["power_timeout"]["default"] = "150"
all_opt["login"]["help"] = "-l, --username=[appid] Application ID"
all_opt["passwd"]["help"] = "-p, --password=[authkey] Authentication key"
options = check_input(device_opt, process_input(device_opt))
docs = {}
docs["shortdesc"] = "Fence agent for Azure Resource Manager"
docs["longdesc"] = "fence_azure_arm is a Power Fencing agent for Azure Resource Manager. It uses Azure SDK for Python to connect to Azure.\
\n.P\n\
For instructions to setup credentials see: https://docs.microsoft.com/en-us/azure/azure-resource-manager/resource-group-create-service-principal-portal\
\n.P\n\
Username and password are application ID and authentication key from \"App registrations\".\
\n.P\n\
NOTE: NETWORK FENCING\n.br\n\
Network fencing requires an additional Subnet named \"fence-subnet\" for the Virtual Network using a Network Security Group with the following rules:\n.br\n\
+-----------+-----+-------------------------+------+------+-----+-----+--------+\n.br\n\
| DIRECTION | PRI | NAME | PORT | PROT | SRC | DST | ACTION |\n.br\n\
+-----------+-----+-------------------------+------+------+-----+-----+--------+\n.br\n\
| Inbound | 100 | FENCE_DENY_ALL_INBOUND | Any | Any | Any | Any | Deny |\n.br\n\
| Outbound | 100 | FENCE_DENY_ALL_OUTBOUND | Any | Any | Any | Any | Deny |\n.br\n\
+-----------+-----+-------------------------+------+------+-----+-----+--------+\
\n.P\n\
When using network fencing the reboot-action will cause a quick-return once the network has been fenced (instead of waiting for the off-action to succeed). It will check the status during the monitor-action, and request power-on when the shutdown operation is complete."
docs["vendorurl"] = "http://www.microsoft.com"
show_docs(options, docs)
run_delay(options)
try:
config = azure_fence.get_azure_config(options)
options["--resourceGroup"] = config.RGName
compute_client = azure_fence.get_azure_compute_client(config)
if "--network-fencing" in options:
network_client = azure_fence.get_azure_network_client(config)
except ImportError:
fail_usage("Azure Resource Manager Python SDK not found or not accessible")
except Exception as e:
fail_usage("Failed: %s" % re.sub(r"^, ", r"", str(e)))
if "--network-fencing" in options:
# use off-action to quickly return off once network is fenced instead of
# waiting for vm state to change
if options["--action"] == "reboot":
options["--action"] = "off"
# check for devices to unfence in monitor-action
elif options["--action"] == "monitor":
check_unfence([compute_client, network_client], options)
# Operate the fencing device
result = fence_action([compute_client, network_client], options, set_power_status, get_power_status, get_nodes_list)
sys.exit(result)
if __name__ == "__main__":
main()
diff --git a/lib/azure_fence.py.py b/lib/azure_fence.py.py
index 5b26bd34..768c4b0b 100644
--- a/lib/azure_fence.py.py
+++ b/lib/azure_fence.py.py
@@ -1,427 +1,521 @@
import logging, re, time
from fencing import fail_usage
FENCE_SUBNET_NAME = "fence-subnet"
FENCE_INBOUND_RULE_NAME = "FENCE_DENY_ALL_INBOUND"
FENCE_INBOUND_RULE_DIRECTION = "Inbound"
FENCE_OUTBOUND_RULE_NAME = "FENCE_DENY_ALL_OUTBOUND"
FENCE_OUTBOUND_RULE_DIRECTION = "Outbound"
FENCE_STATE_OFF = "off"
FENCE_STATE_ON = "on"
FENCE_TAG_SUBNET_ID = "FENCE_TAG_SUBNET_ID"
FENCE_TAG_IP_TYPE = "FENCE_TAG_IP_TYPE"
FENCE_TAG_IP = "FENCE_TAG_IP"
IP_TYPE_DYNAMIC = "Dynamic"
MAX_RETRY = 10
RETRY_WAIT = 5
-COMPUTE_CLIENT_API_VERSION = "2021-11-01"
NETWORK_MGMT_CLIENT_API_VERSION = "2021-05-01"
+AZURE_RHEL8_COMPUTE_VERSION = "27.2.0"
+AZURE_COMPUTE_VERSION_5 = "5.0.0"
class AzureSubResource:
Type = None
Name = None
class AzureResource:
Id = None
SubscriptionId = None
ResourceGroupName = None
ResourceName = None
SubResources = []
class AzureConfiguration:
RGName = None
VMName = None
SubscriptionId = None
Cloud = None
UseMSI = None
Tenantid = None
ApplicationId = None
ApplicationKey = None
Verbose = None
def get_from_metadata(parameter):
import requests
try:
r = requests.get('http://169.254.169.254/metadata/instance?api-version=2017-08-01', headers = {"Metadata":"true"})
logging.debug("metadata: " + str(r.json()))
return str(r.json()["compute"][parameter])
except:
logging.warning("Not able to use metadata service. Am I running in Azure?")
return None
def get_azure_resource(id):
match = re.match(r'(/subscriptions/([^/]*)/resourceGroups/([^/]*))(/providers/([^/]*/[^/]*)/([^/]*))?((/([^/]*)/([^/]*))*)', id)
if not match:
fail_usage("{get_azure_resource} cannot parse resource id %s" % id)
logging.debug("{get_azure_resource} found %s matches for %s" % (len(match.groups()), id))
iGroup = 0
while iGroup < len(match.groups()):
logging.debug("{get_azure_resource} group %s: %s" %(iGroup, match.group(iGroup)))
iGroup += 1
resource = AzureResource()
resource.Id = id
resource.SubscriptionId = match.group(2)
resource.SubResources = []
if len(match.groups()) > 3:
resource.ResourceGroupName = match.group(3)
logging.debug("{get_azure_resource} resource group %s" % resource.ResourceGroupName)
if len(match.groups()) > 6:
resource.ResourceName = match.group(6)
logging.debug("{get_azure_resource} resource name %s" % resource.ResourceName)
if len(match.groups()) > 7 and match.group(7):
splits = match.group(7).split("/")
logging.debug("{get_azure_resource} splitting subtypes '%s' (%s)" % (match.group(7), len(splits)))
i = 1 # the string starts with / so the first split is empty
while i < len(splits) - 1:
logging.debug("{get_azure_resource} creating subresource with type %s and name %s" % (splits[i], splits[i+1]))
subRes = AzureSubResource()
subRes.Type = splits[i]
subRes.Name = splits[i+1]
resource.SubResources.append(subRes)
i += 2
return resource
+def azure_dep_versions(v):
+ return tuple(map(int, (v.split("."))))
+
+# Do azure API call to list all virtual machines in a resource group
+def get_vm_list(compute_client,rgName):
+ return compute_client.virtual_machines.list(rgName)
+
+# Do azue API call to shutdown a virtual machine
+def do_vm_power_off(compute_client,rgName,vmName, skipShutdown):
+ try:
+ # Version is not available in azure-mgmt-compute version 14.0.0 until 27.2.0
+ from azure.mgmt.compute import __version__
+ except ImportError:
+ __version__ = "0.0.0"
+
+ # use different implementation call based on used version
+ if (azure_dep_versions(__version__) == azure_dep_versions(AZURE_COMPUTE_VERSION_5)):
+ logging.debug("{do_vm_power_off} azure.mgtm.compute version is to old to use 'begin_power_off' use 'power_off' function")
+ compute_client.virtual_machines.power_off(rgName, vmName, skip_shutdown=skipShutdown)
+ return
+
+ compute_client.virtual_machines.begin_power_off(rgName, vmName, skip_shutdown=skipShutdown)
+
+# Do azure API call to start a virtual machine
+def do_vm_start(compute_client,rgName,vmName):
+ try:
+ # Version is not available in azure-mgmt-compute version 14.0.0 until 27.2.0
+ from azure.mgmt.compute import __version__
+ except ImportError:
+ __version__ = "0.0.0"
+
+ # use different implementation call based on used version
+ if (azure_dep_versions(__version__) == azure_dep_versions(AZURE_COMPUTE_VERSION_5)):
+ logging.debug("{do_vm_start} azure.mgtm.compute version is to old to use 'begin_start' use 'start' function")
+ compute_client.virtual_machines.start(rgName, vmName)
+ return
+
+ compute_client.virtual_machines.begin_start(rgName, vmName)
+
+def get_vm_resource(compute_client, rgName, vmName):
+ try:
+ # Version is not available in azure-mgmt-compute version 14.0.0 until 27.2.0
+ from azure.mgmt.compute import __version__
+ except ImportError:
+ __version__ = "0.0.0"
+
+ # use different implementation call based on used version
+ if (azure_dep_versions(__version__) <= azure_dep_versions(AZURE_RHEL8_COMPUTE_VERSION)):
+ return compute_client.virtual_machines.get(rgName, vmName, "instanceView")
+
+ return compute_client.virtual_machines.get(resource_group_name=rgName, vm_name=vmName,expand="instanceView")
+
+
def get_fence_subnet_for_config(ipConfig, network_client):
subnetResource = get_azure_resource(ipConfig.subnet.id)
logging.debug("{get_fence_subnet_for_config} testing virtual network %s in resource group %s for a fence subnet" %(subnetResource.ResourceName, subnetResource.ResourceGroupName))
vnet = network_client.virtual_networks.get(subnetResource.ResourceGroupName, subnetResource.ResourceName)
return get_subnet(vnet, FENCE_SUBNET_NAME)
def get_subnet(vnet, subnetName):
for avSubnet in vnet.subnets:
logging.debug("{get_subnet} searching subnet %s testing subnet %s" % (subnetName, avSubnet.name))
if (avSubnet.name.lower() == subnetName.lower()):
logging.debug("{get_subnet} subnet found %s" % avSubnet)
return avSubnet
def test_fence_subnet(fenceSubnet, nic, network_client):
logging.info("{test_fence_subnet}")
testOk = True
if not fenceSubnet:
testOk = False
logging.info("{test_fence_subnet} No fence subnet found for virtual network of network interface %s" % nic.id)
else:
if not fenceSubnet.network_security_group:
testOk = False
logging.info("{test_fence_subnet} Fence subnet %s has not network security group" % fenceSubnet.id)
else:
nsgResource = get_azure_resource(fenceSubnet.network_security_group.id)
logging.info("{test_fence_subnet} Getting network security group %s in resource group %s" % (nsgResource.ResourceName, nsgResource.ResourceGroupName))
nsg = network_client.network_security_groups.get(nsgResource.ResourceGroupName, nsgResource.ResourceName)
inboundRule = get_inbound_rule_for_nsg(nsg)
outboundRule = get_outbound_rule_for_nsg(nsg)
if not outboundRule:
testOk = False
logging.info("{test_fence_subnet} Network Securiy Group %s of fence subnet %s has no outbound security rule that blocks all traffic" % (nsgResource.ResourceName, fenceSubnet.id))
elif not inboundRule:
testOk = False
logging.info("{test_fence_subnet} Network Securiy Group %s of fence subnet %s has no inbound security rule that blocks all traffic" % (nsgResource.ResourceName, fenceSubnet.id))
return testOk
def get_inbound_rule_for_nsg(nsg):
return get_rule_for_nsg(nsg, FENCE_INBOUND_RULE_NAME, FENCE_INBOUND_RULE_DIRECTION)
def get_outbound_rule_for_nsg(nsg):
return get_rule_for_nsg(nsg, FENCE_OUTBOUND_RULE_NAME, FENCE_OUTBOUND_RULE_DIRECTION)
def get_rule_for_nsg(nsg, ruleName, direction):
logging.info("{get_rule_for_nsg} Looking for security rule %s with direction %s" % (ruleName, direction))
if not nsg:
logging.info("{get_rule_for_nsg} Network security group not set")
return None
for rule in nsg.security_rules:
logging.info("{get_rule_for_nsg} Testing a %s securiy rule %s" % (rule.direction, rule.name))
if (rule.access == "Deny") and (rule.direction == direction) \
and (rule.source_port_range == "*") and (rule.destination_port_range == "*") \
and (rule.protocol == "*") and (rule.destination_address_prefix == "*") \
and (rule.source_address_prefix == "*") and (rule.provisioning_state == "Succeeded") \
and (rule.priority == 100) and (rule.name == ruleName):
logging.info("{get_rule_for_nsg} %s rule found" % direction)
return rule
return None
def get_network_state(compute_client, network_client, rgName, vmName):
result = FENCE_STATE_ON
try:
- vm = compute_client.virtual_machines.get(rgName, vmName, "instanceView")
+ vm = get_vm_resource(compute_client, rgName, vmName)
allNICOK = True
for nicRef in vm.network_profile.network_interfaces:
nicresource = get_azure_resource(nicRef.id)
nic = network_client.network_interfaces.get(nicresource.ResourceGroupName, nicresource.ResourceName)
for ipConfig in nic.ip_configurations:
logging.info("{get_network_state} Testing ip configuration %s" % ipConfig.name)
fenceSubnet = get_fence_subnet_for_config(ipConfig, network_client)
testOk = test_fence_subnet(fenceSubnet, nic, network_client)
if not testOk:
allNICOK = False
elif fenceSubnet.id.lower() != ipConfig.subnet.id.lower():
logging.info("{get_network_state} IP configuration %s is not in fence subnet (ip subnet: %s, fence subnet: %s)" % (ipConfig.name, ipConfig.subnet.id.lower(), fenceSubnet.id.lower()))
allNICOK = False
if allNICOK:
logging.info("{get_network_state} All IP configurations of all network interfaces are in the fence subnet. Declaring VM as off")
result = FENCE_STATE_OFF
except Exception as e:
fail_usage("{get_network_state} Failed: %s" % e)
return result
def set_network_state(compute_client, network_client, rgName, vmName, operation):
import msrestazure.azure_exceptions
logging.info("{set_network_state} Setting state %s for %s in resource group %s" % (operation, vmName, rgName))
- vm = compute_client.virtual_machines.get(rgName, vmName, "instanceView")
+ vm = get_vm_resource(compute_client,rgName, vmName)
operations = []
for nicRef in vm.network_profile.network_interfaces:
for attempt in range(0, MAX_RETRY):
try:
nicresource = get_azure_resource(nicRef.id)
nic = network_client.network_interfaces.get(nicresource.ResourceGroupName, nicresource.ResourceName)
if not nic.tags and operation == "block":
nic.tags = {}
logging.info("{set_network_state} Searching for tags required to unfence this virtual machine")
for ipConfig in nic.ip_configurations:
if operation == "block":
fenceSubnet = get_fence_subnet_for_config(ipConfig, network_client)
testOk = test_fence_subnet(fenceSubnet, nic, network_client)
if testOk:
logging.info("{set_network_state} Changing subnet of ip config of nic %s" % nic.id)
nic.tags[("%s_%s" % (FENCE_TAG_SUBNET_ID, ipConfig.name))] = ipConfig.subnet.id
nic.tags[("%s_%s" % (FENCE_TAG_IP_TYPE, ipConfig.name))] = ipConfig.private_ip_allocation_method
nic.tags[("%s_%s" % (FENCE_TAG_IP, ipConfig.name))] = ipConfig.private_ip_address
ipConfig.subnet = fenceSubnet
ipConfig.private_ip_allocation_method = IP_TYPE_DYNAMIC
else:
fail_usage("{set_network_state} Network interface id %s does not have a network security group." % nic.id)
elif operation == "unblock":
if not nic.tags:
fail_usage("{set_network_state} IP configuration %s is missing the required resource tags (empty)" % ipConfig.name)
subnetId = nic.tags.pop("%s_%s" % (FENCE_TAG_SUBNET_ID, ipConfig.name))
ipType = nic.tags.pop("%s_%s" % (FENCE_TAG_IP_TYPE, ipConfig.name))
ipAddress = nic.tags.pop("%s_%s" % (FENCE_TAG_IP, ipConfig.name))
if (subnetId and ipType and (ipAddress or (ipType.lower() == IP_TYPE_DYNAMIC.lower()))):
logging.info("{set_network_state} tags found (subnetId: %s, ipType: %s, ipAddress: %s)" % (subnetId, ipType, ipAddress))
subnetResource = get_azure_resource(subnetId)
vnet = network_client.virtual_networks.get(subnetResource.ResourceGroupName, subnetResource.ResourceName)
logging.info("{set_network_state} looking for subnet %s" % len(subnetResource.SubResources))
oldSubnet = get_subnet(vnet, subnetResource.SubResources[0].Name)
if not oldSubnet:
fail_usage("{set_network_state} subnet %s not found" % subnetId)
ipConfig.subnet = oldSubnet
ipConfig.private_ip_allocation_method = ipType
if ipAddress:
ipConfig.private_ip_address = ipAddress
else:
fail_usage("{set_network_state} IP configuration %s is missing the required resource tags(subnetId: %s, ipType: %s, ipAddress: %s)" % (ipConfig.name, subnetId, ipType, ipAddress))
logging.info("{set_network_state} updating nic %s" % (nic.id))
op = network_client.network_interfaces.create_or_update(nicresource.ResourceGroupName, nicresource.ResourceName, nic)
operations.append(op)
break
except msrestazure.azure_exceptions.CloudError as cex:
logging.error("{set_network_state} CloudError in attempt %s '%s'" % (attempt, cex))
if cex.error and cex.error.error and cex.error.error.lower() == "PrivateIPAddressIsBeingCleanedUp":
logging.error("{set_network_state} PrivateIPAddressIsBeingCleanedUp")
time.sleep(RETRY_WAIT)
except Exception as ex:
logging.error("{set_network_state} Exception of type %s: %s" % (type(ex).__name__, ex))
break
def get_azure_config(options):
config = AzureConfiguration()
config.RGName = options.get("--resourceGroup")
config.VMName = options.get("--plug")
config.SubscriptionId = options.get("--subscriptionId")
config.Cloud = options.get("--cloud")
config.MetadataEndpoint = options.get("--metadata-endpoint")
config.UseMSI = "--msi" in options
config.Tenantid = options.get("--tenantId")
config.ApplicationId = options.get("--username")
config.ApplicationKey = options.get("--password")
config.Verbose = options.get("--verbose")
if not config.RGName:
logging.info("resourceGroup not provided. Using metadata service")
config.RGName = get_from_metadata("resourceGroupName")
if not config.SubscriptionId:
logging.info("subscriptionId not provided. Using metadata service")
config.SubscriptionId = get_from_metadata("subscriptionId")
return config
+# Function to fetch endpoints from metadata endpoint for azure_stack
+def get_cloud_from_arm_metadata_endpoint(arm_endpoint):
+ try:
+ import requests
+ session = requests.Session()
+ metadata_endpoint = arm_endpoint + "/metadata/endpoints?api-version=2015-01-01"
+ response = session.get(metadata_endpoint)
+ if response.status_code == 200:
+ metadata = response.json()
+ return {
+ "resource_manager": arm_endpoint,
+ "credential_scopes": [metadata.get("graphEndpoint") + "/.default"],
+ "authority_hosts": metadata['authentication'].get('loginEndpoint').replace("https://","")
+ }
+ else:
+ fail_usage("Failed to get cloud from metadata endpoint: %s - %s" % arm_endpoint, e)
+ except Exception as e:
+ fail_usage("Failed to get cloud from metadata endpoint: %s - %s" % arm_endpoint, e)
+
+def get_azure_arm_endpoints(cloudName, authority):
+ cloudEnvironment = {
+ "authority_hosts": authority
+ }
+
+ if cloudName == "AZURE_CHINA_CLOUD":
+ cloudEnvironment["resource_manager"] = "https://management.chinacloudapi.cn/"
+ cloudEnvironment["credential_scopes"] = ["https://management.chinacloudapi.cn/.default"]
+ return cloudEnvironment
+
+ if cloudName == "AZURE_US_GOV_CLOUD":
+ cloudEnvironment["resource_manager"] = "https://management.usgovcloudapi.net/"
+ cloudEnvironment["credential_scopes"] = ["https://management.core.usgovcloudapi.net/.default"]
+ return cloudEnvironment
+
+ if cloudName == "AZURE_PUBLIC_CLOUD":
+ cloudEnvironment["resource_manager"] = "https://management.azure.com/"
+ cloudEnvironment["credential_scopes"] = ["https://management.azure.com/.default"]
+ return cloudEnvironment
+
+
def get_azure_cloud_environment(config):
- cloud_environment = None
- if config.Cloud:
+ if (config.Cloud is None):
+ config.Cloud = "public"
+
+ try:
+ from azure.identity import AzureAuthorityHosts
+
+ azureCloudName = "AZURE_PUBLIC_CLOUD"
+ authorityHosts = AzureAuthorityHosts.AZURE_PUBLIC_CLOUD
if (config.Cloud.lower() == "china"):
+ azureCloudName = "AZURE_CHINA_CLOUD"
+ authorityHosts = AzureAuthorityHosts.AZURE_CHINA
+ elif (config.Cloud.lower() == "usgov"):
+ azureCloudName = "AZURE_US_GOV_CLOUD"
+ authorityHosts = AzureAuthorityHosts.AZURE_GOVERNMENT
+ elif (config.Cloud.lower() == "stack"):
+ # use custom function to call the azuer stack metadata endpoint to get required configuration.
+ return get_cloud_from_arm_metadata_endpoint(config.MetadataEndpoint)
+
+ return get_azure_arm_endpoints(azureCloudName, authorityHosts)
+
+ except ImportError:
+ if (config.Cloud.lower() == "public"):
+ from msrestazure.azure_cloud import AZURE_PUBLIC_CLOUD
+ cloud_environment = AZURE_PUBLIC_CLOUD
+ elif (config.Cloud.lower() == "china"):
from msrestazure.azure_cloud import AZURE_CHINA_CLOUD
cloud_environment = AZURE_CHINA_CLOUD
elif (config.Cloud.lower() == "germany"):
from msrestazure.azure_cloud import AZURE_GERMAN_CLOUD
cloud_environment = AZURE_GERMAN_CLOUD
elif (config.Cloud.lower() == "usgov"):
from msrestazure.azure_cloud import AZURE_US_GOV_CLOUD
cloud_environment = AZURE_US_GOV_CLOUD
elif (config.Cloud.lower() == "stack"):
from msrestazure.azure_cloud import get_cloud_from_metadata_endpoint
cloud_environment = get_cloud_from_metadata_endpoint(config.MetadataEndpoint)
- return cloud_environment
+ authority_hosts = cloud_environment.endpoints.active_directory.replace("http://","")
+ return {
+ "resource_manager": cloud_environment.endpoints.resource_manager,
+ "credential_scopes": [cloud_environment.endpoints.active_directory_resource_id + "/.default"],
+ "authority_hosts": authority_hosts,
+ "cloud_environment": cloud_environment,
+ }
def get_azure_credentials(config):
credentials = None
cloud_environment = get_azure_cloud_environment(config)
- if config.UseMSI and cloud_environment:
+ if config.UseMSI:
try:
from azure.identity import ManagedIdentityCredential
- credentials = ManagedIdentityCredential(cloud_environment=cloud_environment)
+ credentials = ManagedIdentityCredential(identity_config={"resource_id": cloud_environment["resource_manager"]})
except ImportError:
from msrestazure.azure_active_directory import MSIAuthentication
- credentials = MSIAuthentication(cloud_environment=cloud_environment)
- elif config.UseMSI:
- try:
- from azure.identity import ManagedIdentityCredential
- credentials = ManagedIdentityCredential()
- except ImportError:
- from msrestazure.azure_active_directory import MSIAuthentication
- credentials = MSIAuthentication()
- elif cloud_environment:
- try:
- # try to use new libraries ClientSecretCredential (azure.identity, based on azure.core)
- from azure.identity import ClientSecretCredential
- credentials = ClientSecretCredential(
- client_id = config.ApplicationId,
- client_secret = config.ApplicationKey,
- tenant_id = config.Tenantid,
- cloud_environment=cloud_environment
- )
- except ImportError:
- # use old libraries ServicePrincipalCredentials (azure.common) if new one is not available
- from azure.common.credentials import ServicePrincipalCredentials
- credentials = ServicePrincipalCredentials(
- client_id = config.ApplicationId,
- secret = config.ApplicationKey,
- tenant = config.Tenantid,
- cloud_environment=cloud_environment
- )
- else:
- try:
- # try to use new libraries ClientSecretCredential (azure.identity, based on azure.core)
- from azure.identity import ClientSecretCredential
- credentials = ClientSecretCredential(
- client_id = config.ApplicationId,
- client_secret = config.ApplicationKey,
- tenant_id = config.Tenantid
- )
- except ImportError:
- # use old libraries ServicePrincipalCredentials (azure.common) if new one is not available
- from azure.common.credentials import ServicePrincipalCredentials
- credentials = ServicePrincipalCredentials(
- client_id = config.ApplicationId,
- secret = config.ApplicationKey,
- tenant = config.Tenantid
- )
+ credentials = MSIAuthentication(cloud_environment=cloud_environment["cloud_environment"])
+ return
+
+ try:
+ # try to use new libraries ClientSecretCredential (azure.identity, based on azure.core)
+ from azure.identity import ClientSecretCredential
+ credentials = ClientSecretCredential(
+ client_id = config.ApplicationId,
+ client_secret = config.ApplicationKey,
+ tenant_id = config.Tenantid,
+ authority=cloud_environment["authority_hosts"]
+ )
+ except ImportError:
+ # use old libraries ServicePrincipalCredentials (azure.common) if new one is not available
+ from azure.common.credentials import ServicePrincipalCredentials
+ credentials = ServicePrincipalCredentials(
+ client_id = config.ApplicationId,
+ secret = config.ApplicationKey,
+ tenant = config.Tenantid,
+ cloud_environment=cloud_environment["cloud_environment"]
+ )
return credentials
def get_azure_compute_client(config):
from azure.mgmt.compute import ComputeManagementClient
cloud_environment = get_azure_cloud_environment(config)
credentials = get_azure_credentials(config)
- if cloud_environment:
- if (config.Cloud.lower() == "stack") and not config.MetadataEndpoint:
- fail_usage("metadata-endpoint not specified")
+ # Try to read the default used api version from the installed package.
+ try:
+ compute_api_version = ComputeManagementClient.LATEST_PROFILE.get_profile_dict()["azure.mgmt.compute.ComputeManagementClient"]["virtual_machines"]
+ except Exception as e:
+ compute_api_version = ComputeManagementClient.DEFAULT_API_VERSION
+ logging.debug("{get_azure_compute_client} Failed to get the latest profile: %s using the default api version %s" % (e, compute_api_version))
- try:
- from azure.profiles import KnownProfiles
- if (config.Cloud.lower() == "stack"):
- client_profile = KnownProfiles.v2020_09_01_hybrid
- credential_scope = cloud_environment.endpoints.active_directory_resource_id + "/.default"
- else:
- client_profile = KnownProfiles.default
- credential_scope = cloud_environment.endpoints.resource_manager + "/.default"
- compute_client = ComputeManagementClient(
- credentials,
- config.SubscriptionId,
- base_url=cloud_environment.endpoints.resource_manager,
- profile=client_profile,
- credential_scopes=[credential_scope],
- api_version=COMPUTE_CLIENT_API_VERSION
- )
- except TypeError:
- compute_client = ComputeManagementClient(
- credentials,
- config.SubscriptionId,
- base_url=cloud_environment.endpoints.resource_manager,
- api_version=COMPUTE_CLIENT_API_VERSION
- )
- else:
+ logging.debug("{get_azure_compute_client} use virtual_machine api version: %s" %(compute_api_version))
+
+ if (config.Cloud.lower() == "stack") and not config.MetadataEndpoint:
+ fail_usage("metadata-endpoint not specified")
+
+ try:
+ from azure.profiles import KnownProfiles
+ if (config.Cloud.lower() == "stack"):
+ client_profile = KnownProfiles.v2020_09_01_hybrid
+ else:
+ client_profile = KnownProfiles.default
+ compute_client = ComputeManagementClient(
+ credentials,
+ config.SubscriptionId,
+ base_url=cloud_environment["resource_manager"],
+ profile=client_profile,
+ credential_scopes=cloud_environment["credential_scopes"],
+ api_version=compute_api_version
+ )
+ except TypeError:
compute_client = ComputeManagementClient(
credentials,
config.SubscriptionId,
- api_version=COMPUTE_CLIENT_API_VERSION
+ base_url=cloud_environment["resource_manager"],
+ api_version=compute_api_version
)
+
return compute_client
def get_azure_network_client(config):
from azure.mgmt.network import NetworkManagementClient
cloud_environment = get_azure_cloud_environment(config)
credentials = get_azure_credentials(config)
- if cloud_environment:
- if (config.Cloud.lower() == "stack") and not config.MetadataEndpoint:
- fail_usage("metadata-endpoint not specified")
+ if (config.Cloud.lower() == "stack") and not config.MetadataEndpoint:
+ fail_usage("metadata-endpoint not specified")
- try:
- from azure.profiles import KnownProfiles
- if (config.Cloud.lower() == "stack"):
- client_profile = KnownProfiles.v2020_09_01_hybrid
- credential_scope = cloud_environment.endpoints.active_directory_resource_id + "/.default"
- else:
- client_profile = KnownProfiles.default
- credential_scope = cloud_environment.endpoints.resource_manager + "/.default"
- network_client = NetworkManagementClient(
- credentials,
- config.SubscriptionId,
- base_url=cloud_environment.endpoints.resource_manager,
- profile=client_profile,
- credential_scopes=[credential_scope],
- api_version=NETWORK_MGMT_CLIENT_API_VERSION
- )
- except TypeError:
- network_client = NetworkManagementClient(
- credentials,
- config.SubscriptionId,
- base_url=cloud_environment.endpoints.resource_manager,
- api_version=NETWORK_MGMT_CLIENT_API_VERSION
- )
+
+ from azure.profiles import KnownProfiles
+
+ if (config.Cloud.lower() == "stack"):
+ client_profile = KnownProfiles.v2020_09_01_hybrid
else:
+ client_profile = KnownProfiles.default
+
+ try:
+ network_client = NetworkManagementClient(
+ credentials,
+ config.SubscriptionId,
+ base_url=cloud_environment["resource_manager"],
+ profile=client_profile,
+ credential_scopes=cloud_environment["credential_scopes"],
+ api_version=NETWORK_MGMT_CLIENT_API_VERSION
+ )
+ except TypeError:
network_client = NetworkManagementClient(
credentials,
config.SubscriptionId,
+ base_url=cloud_environment["resource_manager"],
api_version=NETWORK_MGMT_CLIENT_API_VERSION
)
return network_client

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