mirror of
https://github.com/xcat2/confluent.git
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parent
2936c7e8fd
commit
501ab64e18
@ -1,86 +0,0 @@
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import subprocess
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import os
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class DiskInfo(object):
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def __init__(self, devname):
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self.name = devname
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self.wwn = None
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self.path = None
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self.model = None
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self.size = 0
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self.driver = None
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devnode = '/dev/{0}'.format(devname)
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qprop = subprocess.check_output(
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['udevadm', 'info', '--query=property', devnode])
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if not isinstance(qprop, str):
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qprop = qprop.decode('utf8')
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for prop in qprop.split('\n'):
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if '=' not in prop:
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continue
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k, v = prop.split('=', 1)
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if k == 'DEVTYPE' and v != 'disk':
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raise Exception('Not a disk')
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elif k == 'DM_NAME':
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raise Exception('Device Mapper')
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elif k == 'ID_MODEL':
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self.model = v
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elif k == 'DEVPATH':
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self.path = v
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elif k == 'ID_WWN':
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self.wwn = v
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attrs = subprocess.check_output(['udevadm', 'info', '-a', devnode])
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if not isinstance(attrs, str):
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attrs = attrs.decode('utf8')
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for attr in attrs.split('\n'):
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if '==' not in attr:
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continue
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k, v = attr.split('==', 1)
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k = k.strip()
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if k == 'ATTRS{size}':
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self.size = v.replace('"', '')
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elif (k == 'DRIVERS' and not self.driver
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and v not in ('"sd"', '""')):
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self.driver = v.replace('"', '')
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if not self.driver:
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raise Exception("No driver detected")
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@property
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def priority(self):
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if self.model and self.model.lower() in ('thinksystem_m.2_vd', 'thinksystem m.2'):
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return 0
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# TODO: RSTe, which would be a 1
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if self.driver == 'ahci':
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return 2
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if self.driver.startswith('megaraid'):
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return 3
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if self.driver.startswith('mpt'):
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return 4
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return 99
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def __repr__(self):
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return repr({
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'name': self.name,
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'path': self.path,
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'wwn': self.wwn,
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'driver': self.driver,
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'size': self.size,
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'model': self.model,
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})
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def main():
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disks = []
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for disk in sorted(os.listdir('/sys/class/block')):
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try:
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disk = DiskInfo(disk)
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disks.append(disk)
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except Exception as e:
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print("Skipping {0}: {1}".format(disk, str(e)))
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nd = [x.name for x in sorted(disks, key=lambda x: x.priority)]
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if nd:
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open('/tmp/installdisk', 'w').write(nd[0])
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if __name__ == '__main__':
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main()
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