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from common import process
# creates netns and returns netns name. if ok return 0
def create(netns_name):
netns, out, err = process.run(["ip", "netns", "add", netns_name])
print("netns.create: exit=%d out=%s err=%s" % (netns, out, err))
return netns
# deletes netns. if ok return 0
def delete(netns_name):
netns, out, err = process.run(["ip", "netns", "delete", netns_name])
print("netns.delete: exit=%d out=%s err=%s" % (netns, out, err))
return netns
# execute command in netns using process.run
# if netns_name is None, then execute in global rt
def exec(netns_name, command):
if netns_name is None:
exit, out, err = process.run(command)
else:
exit, out, err = process.run(["ip", "netns", "exec", netns_name] + command)
print("netns.exec: netns=%s command=%s :: exit=%d out=%s err=%s" % (netns_name, str(command), exit, out, err))
return (exit, out, err)
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