mirror of
https://github.com/retspen/webvirtcloud
synced 2024-10-31 19:44:16 +00:00
68 lines
2.3 KiB
Python
68 lines
2.3 KiB
Python
import time
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from vrtManager.connection import wvmConnect
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from vrtManager.util import get_xml_path
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def cpu_version(doc):
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for info in doc.xpath('/sysinfo/processor/entry'):
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elem = info.xpath('@name')[0]
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if elem == 'version':
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return info.text
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return 'Unknown'
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class wvmHostDetails(wvmConnect):
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def get_memory_usage(self):
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"""
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Function return memory usage on node.
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"""
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all_mem = self.wvm.getInfo()[1] * 1048576
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freemem = self.wvm.getMemoryStats(-1, 0)
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if isinstance(dict, freemem):
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free = (freemem['buffers'] +
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freemem['free'] +
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freemem['cached']) * 1024
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percent = abs(100 - ((free * 100) // all_mem))
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usage = (all_mem - free)
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mem_usage = {'total': all_mem, 'usage': usage, 'percent': percent}
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else:
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mem_usage = {'total': None, 'usage': None, 'percent': None}
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return mem_usage
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def get_cpu_usage(self):
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"""
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Function return cpu usage on node.
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"""
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prev_idle = 0
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prev_total = 0
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cpu = self.wvm.getCPUStats(-1, 0)
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if isinstance(dict, cpu):
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for num in range(2):
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idle = self.wvm.getCPUStats(-1, 0)['idle']
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total = sum(self.wvm.getCPUStats(-1, 0).values())
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diff_idle = idle - prev_idle
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diff_total = total - prev_total
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diff_usage = (1000 * (diff_total - diff_idle) / diff_total + 5) / 10
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prev_total = total
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prev_idle = idle
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if num == 0:
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time.sleep(1)
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else:
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if diff_usage < 0:
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diff_usage = 0
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else:
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return {'usage': None}
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return {'usage': diff_usage}
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def get_node_info(self):
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"""
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Function return host server information: hostname, cpu, memory, ...
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"""
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info = list()
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info.append(self.wvm.getHostname()) # hostname
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info.append(self.wvm.getInfo()[0]) # architecture
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info.append(self.wvm.getInfo()[1] * 1048576) # memory
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info.append(self.wvm.getInfo()[2]) # cpu core count
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info.append(get_xml_path(self.wvm.getSysinfo(0), func=cpu_version)) # cpu version
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info.append(self.wvm.getURI()) # uri
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return info
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