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"""hostutils module contains wrappers for commands that can be executed on any
host in the test environment
Supported Wrappers:
-------------------
*) rmdir
*) mkdir
*) mkfs
*) execute_command
"""
import re
import atfutils
from atfglobals import GlobalObj
def cd(hostkey, dirpath):
"""
"""
base_command = "cd "
cm = GlobalObj.getConnectionsManagerObj()
host_connection = cm.getConnection(hostkey)
if not host_connection:
print "SSH Connection Not established to host '%s' " % hostkey
return 1
command = base_command + dirpath
print "%s : %s" % (hostkey, command)
output = host_connection.executecommand(command)
return_status = atfutils.assert_success(**output)
atfutils.print_stdout(output['stdoutdata'])
atfutils.print_stderr(output['stderrdata'])
return return_status
def rmdir(hostkey, dirpath):
"""
"""
base_command = "rm -rf "
cm = GlobalObj.getConnectionsManagerObj()
system_dirs = re.compile('(/bin|/boot|/dev|/etc|/lib|/mnt|/net|/opt|/root|/sbin|/usr|/var|/sys)\/?$')
if system_dirs.match(dirpath):
print "System Directiories cannot be deleted"
return 1
else:
host_connection = cm.getConnection(hostkey)
if not host_connection:
print "SSH Connection Not established to host '%s' " % hostkey
return 1
command = base_command + dirpath
print "%s : %s" % (hostkey, command)
output = host_connection.executecommand(command)
return_status = atfutils.assert_success(**output)
atfutils.print_stdout(output['stdoutdata'])
atfutils.print_stderr(output['stderrdata'])
return return_status
def mkdir(hostkey, dirpath):
"""
"""
base_command = "mkdir -p "
cm = GlobalObj.getConnectionsManagerObj()
system_dirs = re.compile('(/bin|/boot|/dev|/etc|/lib|/mnt|/net|/opt|/root|/sbin|/usr|/var|/sys)\/?$')
if system_dirs.match(dirpath):
print "System Directiories cannot be created"
return 1
else:
host_connection = cm.getConnection(hostkey)
if not host_connection:
print "SSH Connection Not established to host '%s' " % hostkey
return 1
command = base_command + dirpath
print "%s : %s" % (hostkey, command)
output = host_connection.executecommand(command)
return_status = atfutils.assert_success(**output)
atfutils.print_stdout(output['stdoutdata'])
atfutils.print_stderr(output['stderrdata'])
return return_status
def mkfs(hostkey, device, fstype=None):
"""
"""
base_command = "mkfs "
cm = GlobalObj.getConnectionsManagerObj()
host_connection = cm.getConnection(hostkey)
if not host_connection:
print "SSH Connection Not established to host '%s' " % hostkey
return 1
if fstype is None:
fstype = "xfs"
command = base_command + " -t " + fstype + " -f " + device
print "%s : %s" % (hostkey, command)
output = host_connection.executecommand(command)
return_status = atfutils.assert_success(**output)
atfutils.print_stdout(output['stdoutdata'])
atfutils.print_stderr(output['stderrdata'])
return return_status
def find_mountpoints(hostkey, device):
"""
"""
base_command = "mount | grep "
cm = GlobalObj.getConnectionsManagerObj()
host_connection = cm.getConnection(hostkey)
if not host_connection:
print "SSH connection to host '%s' has not been established" % hostkey
return 1
mountpoints = []
command = base_command + device
print "%s : %s" % (hostkey, command)
output = host_connection.executecommand(command)
if not output["exitstatus"]:
for data in output["stdoutdata"]:
mountpoints.append(data.split(" ")[2])
return mountpoints
def execute_command(hostkey, command, commandInput=None):
"""
"""
cm = GlobalObj.getConnectionsManagerObj()
host_connection = cm.getConnection(hostkey)
if not host_connection:
print "SSH Connection Not established to host '%s' " % hostkey
return 1
new_command = _substitute_value_for_variables(hostkey, command)
print "%s : %s" % (hostkey, command)
output = host_connection.executecommand(new_command, commandInput)
return_status = atfutils.assert_success(**output)
atfutils.print_stdout(output['stdoutdata'])
atfutils.print_stderr(output['stderrdata'])
return return_status
def _substitute_value_for_variables(hostkey, command):
"""
"""
pattern_for_variables = re.compile("<[a-z]+\d*>")
pattern_for_hosts = re.compile('(server|client|master)*')
variables_to_replace = []
replace_values = {}
new_command = command
Functions_Map = {
"server" : "getserver",
"client" : "getclient",
"master" : "getmaster"
}
variables = pattern_for_variables.findall(command)
host = None
if not variables:
return new_command
else:
result = pattern_for_hosts.match(hostkey.lower()).group(0)
if result:
funcname = Functions_Map[result]
function = getattr(env, funcname)
if re.match("master", result):
host = function()
else:
host = function(hostkey)
if not host:
print "No Host to execute the command\n"
return 1
for variable in variables:
if variable not in variables_to_replace:
variables_to_replace.append(variable.strip("<>"))
for variable in variables_to_replace:
value = host.__getattribute__(variable)
replace_values[variable] = value
for key in replace_values.keys():
value = replace_values[key]
key = "<" + key + ">"
pattern = re.compile(key)
new_command = pattern.sub(value, new_command)
return new_command
__all__ = ['cd',
'rmdir',
'mkdir',
'mkfs',
'find_mountpoints',
'execute_command']
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