def remove_nodes(namelist):
dbconn = DBConnManager.get_session()
nodes = dbconn.query(Node).filter(Node.nodename.in_(namelist)).all()
if not nodes:
return None, None
valid_node_names = [ node.nodename for node in nodes ]
invalid_node_names = list(set(namelist) - set(valid_node_names))
nidlist = [ node.nid for node in nodes ]
nics = dbconn.query(Nic).filter(Nic.nid.in_(nidlist)).filter(Nic.nictype==NICTYPE_BOOT).all()
macfiles = [ "01-%s" % nic.mac.replace(':', "-") for nic in nics ]
rmcmd = "cd %s; rm -fr %s" % (PXEFILE_DIR, " ".join(macfiles))
os.system(rmcmd)
#dbconn.query(Node).filter(Node.nodename.in_(namelist)).delete(synchronize_session='fetch')
for node in nodes:
dbconn.delete(node)
dbconn.commit()
dbconn.close()
return valid_node_names, invalid_node_names
def gennetbootpxe(mac):
# necessary information
dbconn = DBConnManager.get_session()
installerip = get_installer_ip(dbconn)
# gengerate file content
pxetmpl = Template(file=NETBOOT_TMPL, searchList=[{'parentip': installerip}])
content = str(pxetmpl)
# generate pxe file
macfilename = "01-%s" % (mac.replace(":", "-"))
macfile = "%s/%s" % (PXEFILE_DIR, macfilename.lower())
target = file(macfile, 'w')
target.writelines(content)
target.close()
os.chmod(macfile, 0666)