def write_dhcp_lease(self,port,host,ip,mac):
"""
Use DHCP's API to create a DHCP entry in the
/var/lib/dhcpd/dhcpd.leases file
#Code from http://svn.osgdc.org/browse/kusu/kusu
# /trunk/src/kits/base/packages/kusu-base-installer/lib/kusu/nodefun.py?r=3025
# FIXME: should use subprocess
"""
if ip.find("/") != -1:
return
try:
fromchild, tochild = popen2([self.settings.omshell_bin])
tochild.write("port %s\n" % port)
tochild.flush()
tochild.write("connect\n")
tochild.flush()
tochild.write("new host\n")
tochild.flush()
tochild.write('set name = \"%s\"\n' % host)
tochild.flush()
tochild.write("set ip-address = %s\n" % ip)
tochild.flush()
tochild.write("set hardware-address = %s\n" % mac.lower())
tochild.flush()
tochild.write("set hardware-type = 1\n")
tochild.flush()
tochild.write("create\n")
tochild.flush()
tochild.close()
fromchild.close()
except IOError:
# FIXME: just catch 32 (broken pipe) and show a warning
pass
def remove_dhcp_lease(self,port,host):
"""
Use DHCP's API to delete a DHCP entry in
the /var/lib/dhcpd/dhcpd.leases file
"""
fromchild, tochild = popen2([self.settings.omshell_bin])
try:
tochild.write("port %s\n" % port)
tochild.flush()
tochild.write("connect\n")
tochild.flush()
tochild.write("new host\n")
tochild.flush()
tochild.write('set name = \"%s\"\n' % host)
tochild.flush()
tochild.write("open\n") # opens register with host information
tochild.flush()
tochild.write("remove\n")
tochild.flush()
tochild.close()
fromchild.close()
except IOError:
# FIXME: convert this to subprocess.
# FIXME: catch specific errors only (32/broken pipe)
pass