本文整理汇总了Python中salt._compat._StringIO函数的典型用法代码示例。如果您正苦于以下问题：Python _StringIO函数的具体用法？Python _StringIO怎么用？Python _StringIO使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。
在下文中一共展示了_StringIO函数的6个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: get_macs
def get_macs(vm_):
"""
Return a list off MAC addresses from the named vm
CLI Example::
salt '*' virt.get_macs <vm name>
"""
macs = []
doc = minidom.parse(_StringIO(get_xml(vm_)))
for node in doc.getElementsByTagName("devices"):
i_nodes = node.getElementsByTagName("interface")
for i_node in i_nodes:
for v_node in i_node.getElementsByTagName("mac"):
macs.append(v_node.getAttribute("address"))
return macs示例2: get_graphics
def get_graphics(vm_):
"""
Returns the information on vnc for a given vm
CLI Example::
salt '*' virt.get_graphics <vm name>
"""
out = {"autoport": "None", "keymap": "None", "listen": "None", "port": "None", "type": "vnc"}
xml = get_xml(vm_)
ssock = _StringIO(xml)
doc = minidom.parse(ssock)
for node in doc.getElementsByTagName("domain"):
g_nodes = node.getElementsByTagName("graphics")
for g_node in g_nodes:
for key in g_node.attributes.keys():
out[key] = g_node.getAttribute(key)
return out示例3: get_nics
def get_nics(vm_):
'''
Return info about the network interfaces of a named vm
CLI Example:
.. code-block:: bash
salt '*' virt.get_nics <vm name>
'''
nics = {}
doc = minidom.parse(_StringIO(get_xml(vm_)))
for node in doc.getElementsByTagName('devices'):
i_nodes = node.getElementsByTagName('interface')
for i_node in i_nodes:
nic = {}
nic['type'] = i_node.getAttribute('type')
for v_node in i_node.getElementsByTagName('*'):
if v_node.tagName == 'mac':
nic['mac'] = v_node.getAttribute('address')
if v_node.tagName == 'model':
nic['model'] = v_node.getAttribute('type')
if v_node.tagName == 'target':
nic['target'] = v_node.getAttribute('dev')
# driver, source, and match can all have optional attributes
if re.match('(driver|source|address)', v_node.tagName):
temp = {}
for key in v_node.attributes.keys():
temp[key] = v_node.getAttribute(key)
nic[str(v_node.tagName)] = temp
# virtualport needs to be handled separately, to pick up the
# type attribute of the virtualport itself
if v_node.tagName == 'virtualport':
temp = {}
temp['type'] = v_node.getAttribute('type')
for key in v_node.attributes.keys():
temp[key] = v_node.getAttribute(key)
nic['virtualport'] = temp
if 'mac' not in nic:
continue
nics[nic['mac']] = nic
return nics示例4: get_nics
def get_nics(vm_):
"""
Return info about the network interfaces of a named vm
CLI Example:
.. code-block:: bash
salt '*' virt.get_nics <vm name>
"""
nics = {}
doc = minidom.parse(_StringIO(get_xml(vm_)))
for node in doc.getElementsByTagName("devices"):
i_nodes = node.getElementsByTagName("interface")
for i_node in i_nodes:
nic = {}
nic["type"] = i_node.getAttribute("type")
for v_node in i_node.getElementsByTagName("*"):
if v_node.tagName == "mac":
nic["mac"] = v_node.getAttribute("address")
if v_node.tagName == "model":
nic["model"] = v_node.getAttribute("type")
if v_node.tagName == "target":
nic["target"] = v_node.getAttribute("dev")
# driver, source, and match can all have optional attributes
if re.match("(driver|source|address)", v_node.tagName):
temp = {}
for key in v_node.attributes.keys():
temp[key] = v_node.getAttribute(key)
nic[str(v_node.tagName)] = temp
# virtualport needs to be handled separately, to pick up the
# type attribute of the virtualport itself
if v_node.tagName == "virtualport":
temp = {}
temp["type"] = v_node.getAttribute("type")
for key in v_node.attributes.keys():
temp[key] = v_node.getAttribute(key)
nic["virtualport"] = temp
if "mac" not in nic:
continue
nics[nic["mac"]] = nic
return nics示例5: get_disks
def get_disks(vm_):
'''
Return the disks of a named vm
CLI Example:
.. code-block:: bash
salt '*' virt.get_disks <vm name>
'''
disks = {}
doc = minidom.parse(_StringIO(get_xml(vm_)))
for elem in doc.getElementsByTagName('disk'):
sources = elem.getElementsByTagName('source')
targets = elem.getElementsByTagName('target')
if len(sources) > 0:
source = sources[0]
else:
continue
if len(targets) > 0:
target = targets[0]
else:
continue
if target.hasAttribute('dev'):
qemu_target = ''
if source.hasAttribute('file'):
qemu_target = source.getAttribute('file')
elif source.hasAttribute('dev'):
qemu_target = source.getAttribute('dev')
elif source.hasAttribute('protocol') and \
source.hasAttribute('name'): # For rbd network
qemu_target = '%s:%s' % (
source.getAttribute('protocol'),
source.getAttribute('name'))
if qemu_target:
disks[target.getAttribute('dev')] = {
'file': qemu_target}
for dev in disks:
try:
hypervisor = __salt__['config.get']('libvirt:hypervisor', 'kvm')
if hypervisor not in ['qemu', 'kvm']:
break
output = []
qemu_output = subprocess.Popen(['qemu-img', 'info',
disks[dev]['file']],
shell=False,
stdout=subprocess.PIPE).communicate()[0]
snapshots = False
columns = None
lines = qemu_output.strip().split('\n')
for line in lines:
if line.startswith('Snapshot list:'):
snapshots = True
continue
# If this is a copy-on-write image, then the backing file
# represents the base image
#
# backing file: base.qcow2 (actual path: /var/shared/base.qcow2)
elif line.startswith('backing file'):
matches = re.match(r'.*\(actual path: (.*?)\)', line)
if matches:
output.append('backing file: {0}'.format(matches.group(1)))
continue
elif snapshots:
if line.startswith('ID'): # Do not parse table headers
line = line.replace('VM SIZE', 'VMSIZE')
line = line.replace('VM CLOCK', 'TIME VMCLOCK')
columns = re.split(r'\s+', line)
columns = [c.lower() for c in columns]
output.append('snapshots:')
continue
fields = re.split(r'\s+', line)
for i, field in enumerate(fields):
sep = ' '
if i == 0:
sep = '-'
output.append(
'{0} {1}: "{2}"'.format(
sep, columns[i], field
)
)
continue
output.append(line)
output = '\n'.join(output)
disks[dev].update(yaml.safe_load(output))
except TypeError:
disks[dev].update(yaml.safe_load('image: Does not exist'))
return disks示例6: get_disks
def get_disks(vm_):
"""
Return the disks of a named vm
CLI Example::
salt '*' virt.get_disks <vm name>
"""
disks = {}
doc = minidom.parse(_StringIO(get_xml(vm_)))
for elem in doc.getElementsByTagName("disk"):
sources = elem.getElementsByTagName("source")
targets = elem.getElementsByTagName("target")
if len(sources) > 0:
source = sources[0]
else:
continue
if len(targets) > 0:
target = targets[0]
else:
continue
if target.hasAttribute("dev"):
qemu_target = ""
if source.hasAttribute("file"):
qemu_target = source.getAttribute("file")
elif source.hasAttribute("dev"):
qemu_target = source.getAttribute("dev")
elif source.hasAttribute("protocol") and source.hasAttribute("name"): # For rbd network
qemu_target = "%s:%s" % (source.getAttribute("protocol"), source.getAttribute("name"))
if qemu_target:
disks[target.getAttribute("dev")] = {"file": qemu_target}
for dev in disks:
try:
hypervisor = __salt__["config.get"]("libvirt:hypervisor", "qemu")
if hypervisor not in ["qemu", "kvm"]:
break
output = []
qemu_output = subprocess.Popen(
["qemu-img", "info", disks[dev]["file"]], shell=False, stdout=subprocess.PIPE
).communicate()[0]
snapshots = False
columns = None
lines = qemu_output.strip().split("\n")
for line in lines:
if line.startswith("Snapshot list:"):
snapshots = True
continue
elif snapshots:
if line.startswith("ID"): # Do not parse table headers
line = line.replace("VM SIZE", "VMSIZE")
line = line.replace("VM CLOCK", "TIME VMCLOCK")
columns = re.split(r"\s+", line)
columns = [c.lower() for c in columns]
output.append("snapshots:")
continue
fields = re.split(r"\s+", line)
for i, field in enumerate(fields):
sep = " "
if i == 0:
sep = "-"
output.append('{0} {1}: "{2}"'.format(sep, columns[i], field))
continue
output.append(line)
output = "\n".join(output)
disks[dev].update(yaml.safe_load(output))
except TypeError:
disks[dev].update(yaml.safe_load("image: Does not exist"))
return disks