def refresh_deployment_status(request):
logger.debug('---- ajax refresh_deployment_status ----')
required_fields = set(['topologyId'])
if not required_fields.issubset(request.POST):
return render(request, 'ajax/ajaxError.html',
{'error': "Invalid Parameters in POST"})
topology_id = request.POST['topologyId']
if topology_id == "":
logger.debug(
"Found a blank topology_id, returning full hypervisor status")
return refresh_hypervisor_status(request)
if configuration.deployment_backend == "openstack":
logger.info('Refresh openstack deployment status')
return refresh_openstack_deployment_status(request, topology_id)
else:
domain_list = libvirtUtils.get_domains_for_topology("t" + topology_id +
"_")
network_list = []
is_linux = False
if osUtils.check_is_linux():
is_linux = True
network_list = libvirtUtils.get_networks_for_topology("t" +
topology_id +
"_")
context = {
'domain_list': domain_list,
'network_list': network_list,
'topologyId': topology_id,
'isLinux': is_linux
}
return render(request, 'ajax/deploymentStatus.html', context)
def launch(request, topology_id):
logger.debug('---- topology launch ----')
try:
topology = Topology.objects.get(pk=topology_id)
except ObjectDoesNotExist as ex:
logger.debug(ex)
return render(request, 'error.html', {'error': "Topology not found!"})
if configuration.deployment_backend == 'openstack':
ret = av.deploy_stack(request, topology_id)
if ret is not None:
inventory = wistarUtils.get_topology_inventory(topology)
wistarUtils.send_new_topology_event(inventory)
try:
# let's parse the json and convert to simple lists and dicts
config = wistarUtils.load_config_from_topology_json(topology.json, topology_id)
logger.debug("Deploying topology: %s" % topology_id)
# this is a hack - inline deploy should be moved elsewhere
# but the right structure isn't really there for a middle layer other
# than utility and view layers ... unless I want to mix utility libs
av.inline_deploy_topology(config)
inventory = wistarUtils.get_topology_inventory(topology)
wistarUtils.send_new_topology_event(inventory)
except Exception as e:
logger.error('exception: %s' % e)
return render(request, 'error.html', {'error': str(e)})
if configuration.deployment_backend != 'kvm':
# only continue in kvm case, openstack will start instances for us on deployment
return
domain_list = libvirtUtils.get_domains_for_topology("t%s_" % topology_id)
network_list = []
if osUtils.check_is_linux():
network_list = libvirtUtils.get_networks_for_topology("t%s_" % topology_id)
for network in network_list:
logger.debug("Starting network: " + network["name"])
if libvirtUtils.start_network(network["name"]):
time.sleep(1)
else:
return render(request, 'error.html', {'error': "Could not start network: " + network["name"]})
num_domains = len(domain_list)
iter_counter = 1
for domain in domain_list:
logger.debug("Starting domain " + domain["name"])
if libvirtUtils.start_domain(domain["uuid"]):
if iter_counter < num_domains:
time.sleep(1)
iter_counter += 1
else:
return render(request, 'error.html', {'error': "Could not start domain: " + domain["name"]})
logger.debug("All domains started")
messages.info(request, 'Topology %s launched successfully' % topology.name)
return HttpResponseRedirect('/topologies/')
def preconfig_junos_domain(request):
response_data = {"result": True, "message": "success"}
required_fields = set(
['domain', 'user', 'password', 'ip', 'mgmtInterface'])
if not required_fields.issubset(request.POST):
return render(request, 'ajax/ajaxError.html',
{'error': "Invalid Parameters in POST"})
domain = request.POST['domain']
user = request.POST["user"]
password = request.POST['password']
ip = request.POST['ip']
mgmt_interface = request.POST['mgmtInterface']
logger.debug("Configuring domain:" + str(domain))
try:
# let's see if we need to kill any webConsole sessions first
wc_dict = request.session.get("webConsoleDict")
if wc_dict is not None:
if domain in wc_dict:
wc_config = wc_dict[domain]
wc_port = wc_config["wsPort"]
server = request.get_host().split(":")[0]
wistarUtils.kill_web_socket(server, wc_port)
# FIXME - there is a bug somewhere that this can be blank ?
if mgmt_interface == "":
mgmt_interface = "em0"
elif mgmt_interface == "em0":
if not osUtils.check_is_linux():
mgmt_interface = "fxp0"
if user != "root":
response_data["result"] = False
response_data[
"message"] = "Junos preconfiguration user must be root!"
return HttpResponse(json.dumps(response_data),
content_type="application/json")
if consoleUtils.preconfig_junos_domain(domain, user, password, ip,
mgmt_interface):
response_data["result"] = True
response_data["message"] = "Success"
else:
response_data["result"] = False
response_data["message"] = "Could not configure domain"
return HttpResponse(json.dumps(response_data),
content_type="application/json")
except WistarException as we:
logger.debug(we)
response_data["result"] = False
response_data["message"] = str(we)
return HttpResponse(json.dumps(response_data),
content_type="application/json")
def refresh_hypervisor_status(request):
try:
domains = libvirtUtils.list_domains()
if osUtils.check_is_linux():
networks = libvirtUtils.list_networks()
else:
networks = []
context = {'domain_list': domains, 'network_list': networks}
return render(request, 'ajax/deploymentStatus.html', context)
except Exception as e:
return render(request, 'ajax/ajaxError.html', {'error': e})
def pause_topology(request):
required_fields = set(['topologyId'])
if not required_fields.issubset(request.POST):
return render(request, 'ajax/ajaxError.html',
{'error': "Invalid Parameters in POST"})
topology_id = request.POST['topologyId']
if topology_id == "":
logger.debug("Found a blank topoId!")
return render(request, 'ajax/ajaxError.html',
{'error': "Blank Topology Id found"})
domain_list = libvirtUtils.get_domains_for_topology("t" + topology_id +
"_")
for domain in domain_list:
if domain["state"] == "running":
logger.debug("Pausing domain " + domain["name"])
libvirtUtils.suspend_domain(domain["uuid"])
time.sleep(5)
else:
logger.debug("Domain %s is already shut down" % domain["name"])
network_list = []
if osUtils.check_is_linux():
network_list = libvirtUtils.get_networks_for_topology("t" +
topology_id +
"_")
for network in network_list:
logger.debug("Stopping network: " + network["name"])
if libvirtUtils.stop_network(network["name"]):
time.sleep(1)
else:
return render(
request, 'ajax/ajaxError.html',
{'error': "Could not stop network: " + network["name"]})
logger.debug("All domains paused")
return refresh_deployment_status(request)
def deploy_topology(request):
if 'topologyId' not in request.POST:
return render(request, 'ajax/ajaxError.html',
{'error': "No Topology Id in request"})
topology_id = request.POST['topologyId']
try:
topo = Topology.objects.get(pk=topology_id)
except ObjectDoesNotExist:
return render(request, 'ajax/ajaxError.html',
{'error': "Topology not found!"})
try:
# let's parse the json and convert to simple lists and dicts
config = wistarUtils.load_config_from_topology_json(
topo.json, topology_id)
# FIXME - should this be pushed into another module?
inline_deploy_topology(config)
inventory = wistarUtils.get_topology_inventory(topo)
wistarUtils.send_new_topology_event(inventory)
except Exception as e:
logger.debug("Caught Exception in deploy")
logger.debug(str(e))
return render(request, 'ajax/ajaxError.html', {'error': str(e)})
domain_list = libvirtUtils.get_domains_for_topology("t" + topology_id +
"_")
network_list = []
if osUtils.check_is_linux():
network_list = libvirtUtils.get_networks_for_topology("t" +
topology_id +
"_")
context = {
'domain_list': domain_list,
'network_list': network_list,
'isLinux': True,
'topologyId': topology_id
}
return render(request, 'ajax/deploymentStatus.html', context)
def inline_deploy_topology(config):
"""
takes the topology configuration object and deploys to the appropriate hypervisor
:param config: output of the wistarUtils.
:return:
"""
if configuration.deployment_backend != 'kvm':
raise WistarException(
'Cannot deploy to KVM configured deployment backend is %s' %
configuration.deployment_backend)
is_ovs = False
is_linux = osUtils.check_is_linux()
is_ubuntu = osUtils.check_is_ubuntu()
if hasattr(configuration,
"use_openvswitch") and configuration.use_openvswitch:
is_ovs = True
# only create networks on Linux/KVM
logger.debug("Checking if we should create networks first!")
if is_linux:
for network in config["networks"]:
network_xml_path = "ajax/kvm/network.xml"
# Do we need openvswitch here?
if is_ovs:
# set the network_xml_path to point to a network configuration that defines the ovs type here
network_xml_path = "ajax/kvm/network_ovs.xml"
if not ovsUtils.create_bridge(network["name"]):
err = "Could not create ovs bridge"
logger.error(err)
raise Exception(err)
try:
if not libvirtUtils.network_exists(network["name"]):
logger.debug("Rendering networkXml for: %s" %
network["name"])
network_xml = render_to_string(network_xml_path,
{'network': network})
logger.debug(network_xml)
libvirtUtils.define_network_from_xml(network_xml)
time.sleep(.5)
logger.debug("Starting network")
libvirtUtils.start_network(network["name"])
except Exception as e:
raise Exception(str(e))
# are we on linux? are we on Ubuntu linux? set kvm emulator accordingly
vm_env = dict()
vm_env["emulator"] = "/usr/libexec/qemu-kvm"
vm_env["pcType"] = "rhel6.5.0"
# possible values for 'cache' are 'none' (default) and 'writethrough'. Use writethrough if you want to
# mount the instances directory on a glusterFs or tmpfs volume. This might make sense if you have tons of RAM
# and want to alleviate IO issues. If in doubt, leave it as 'none'
vm_env["cache"] = configuration.filesystem_cache_mode
vm_env["io"] = configuration.filesystem_io_mode
if is_linux and is_ubuntu:
vm_env["emulator"] = "/usr/bin/kvm-spice"
vm_env["pcType"] = "pc"
# by default, we use kvm as the hypervisor
domain_xml_path = "ajax/kvm/"
if not is_linux:
# if we're not on Linux, then let's try to use vbox instead
domain_xml_path = "ajax/vbox/"
for device in config["devices"]:
domain_exists = False
try:
if libvirtUtils.domain_exists(device['name']):
domain_exists = True
device_domain = libvirtUtils.get_domain_by_name(device['name'])
device['domain_uuid'] = device_domain.UUIDString()
else:
device['domain_uuid'] = ''
# if not libvirtUtils.domain_exists(device["name"]):
logger.debug("Rendering deviceXml for: %s" % device["name"])
configuration_file = device["configurationFile"]
logger.debug("using config file: " + configuration_file)
logger.debug(device)
image = Image.objects.get(pk=device["imageId"])
image_base_path = settings.MEDIA_ROOT + "/" + image.filePath.url
instance_path = osUtils.get_instance_path_from_image(
image_base_path, device["name"])
secondary_disk = ""
tertiary_disk = ""
if not osUtils.check_path(instance_path):
if device["resizeImage"] > 0:
logger.debug('resizing image')
if not osUtils.create_thick_provision_instance(
image_base_path, device["name"],
device["resizeImage"]):
raise Exception(
"Could not resize image instance for image: " +
device["name"])
else:
if not osUtils.create_thin_provision_instance(
image_base_path, device["name"]):
raise Exception(
"Could not create image instance for image: " +
image_base_path)
if "type" in device["secondaryDiskParams"]:
secondary_disk = wistarUtils.create_disk_instance(
device, device["secondaryDiskParams"])
if "type" in device["tertiaryDiskParams"]:
tertiary_disk = wistarUtils.create_disk_instance(
device, device["tertiaryDiskParams"])
cloud_init_path = ''
if device["cloudInitSupport"]:
# grab the last interface
management_interface = device["managementInterface"]
# grab the prefix len from the management subnet which is in the form 192.168.122.0/24
if '/' in configuration.management_subnet:
management_prefix_len = configuration.management_subnet.split(
'/')[1]
else:
management_prefix_len = '24'
management_ip = device['ip'] + '/' + management_prefix_len
# domain_name, host_name, mgmt_ip, mgmt_interface
script_string = ""
script_param = ""
roles = list()
if 'roles' in device and type(device['roles']) is list:
roles = device['roles']
if device["configScriptId"] != 0:
logger.debug("Passing script data!")
script = osUtils.get_cloud_init_template(
device['configScriptId'])
script_param = device["configScriptParam"]
logger.debug("Creating cloud init path for linux image")
cloud_init_path = osUtils.create_cloud_init_img(
device["name"], device["label"], management_ip,
management_interface, device["password"], script,
script_param, roles)
logger.debug(cloud_init_path)
device_xml = render_to_string(
domain_xml_path + configuration_file, {
'device': device,
'instancePath': instance_path,
'vm_env': vm_env,
'cloud_init_path': cloud_init_path,
'secondary_disk_path': secondary_disk,
'tertiary_disk_path': tertiary_disk,
'use_ovs': is_ovs
})
logger.debug(device_xml)
libvirtUtils.define_domain_from_xml(device_xml)
if not domain_exists:
logger.debug("Reserving IP with dnsmasq")
management_mac = libvirtUtils.get_management_interface_mac_for_domain(
device["name"])
logger.debug('got management mac')
logger.debug(management_mac)
libvirtUtils.reserve_management_ip_for_mac(
management_mac, device["ip"], device["name"])
logger.debug('management ip is reserved for mac')
except Exception as ex:
logger.warn("Raising exception")
logger.error(ex)
logger.error(traceback.format_exc())
raise Exception(str(ex))
