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remove ip address from port mapping command

This commit is contained in:
zhongyh16 2017-07-24 15:33:24 +08:00
parent f987ad2d5b
commit 7d5ec47dbb
1 changed files with 2 additions and 4 deletions
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6
src/nettools.py
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@ -358,8 +358,7 @@ class portcontrol(object):
allocated_ports[container_name] = free_port
public_ip = env.getenv("PUBLIC_IP")
try:
subprocess.run(['iptables','-t','nat','-A','PREROUTING','-d',public_ip,'-p','tcp','--dport',str(free_port),"-j","DNAT",'--to-destination','%s:%s'%(container_ip,container_port)], stdout=subprocess.PIPE, stderr=subprocess.STDOUT, shell=False, check=True)
subprocess.run(['iptables','-t','nat','-A','POSTROUTING','-d',container_ip,'-p','tcp','--dport',str(container_port),"-j","SNAT",'--to',public_ip], stdout=subprocess.PIPE, stderr=subprocess.STDOUT, shell=False, check=True)
subprocess.run(['iptables','-t','nat','-A','PREROUTING','-p','tcp','--dport',str(free_port),"-j","DNAT",'--to-destination','%s:%s'%(container_ip,container_port)], stdout=subprocess.PIPE, stderr=subprocess.STDOUT, shell=False, check=True)
return [True, str(free_port)]
except subprocess.CalledProcessError as suberror:
return [False, "set port mapping failed : %s" % suberror.stdout.decode('utf-8')]
@ -373,8 +372,7 @@ class portcontrol(object):
free_port = allocated_ports[container_name]
public_ip = env.getenv("PUBLIC_IP")
try:
subprocess.run(['iptables','-t','nat','-D','PREROUTING','-d',public_ip,'-p','tcp','--dport',str(free_port),"-j","DNAT",'--to-destination','%s:%s'%(container_ip,container_port)], stdout=subprocess.PIPE, stderr=subprocess.STDOUT, shell=False, check=True)
subprocess.run(['iptables','-t','nat','-D','POSTROUTING','-d',container_ip,'-p','tcp','--dport',str(container_port),"-j","SNAT",'--to',public_ip], stdout=subprocess.PIPE, stderr=subprocess.STDOUT, shell=False, check=True)
subprocess.run(['iptables','-t','nat','-D','PREROUTING','-p','tcp','--dport',str(free_port),"-j","DNAT",'--to-destination','%s:%s'%(container_ip,container_port)], stdout=subprocess.PIPE, stderr=subprocess.STDOUT, shell=False, check=True)
except subprocess.CalledProcessError as suberror:
return [False, "release port mapping failed : %s" % suberror.stdout.decode('utf-8')]
free_ports[free_port] = True