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import cloudinit
import cloudinit.util as util
def handle(name,cfg,cloud,log,args):
if not cfg.has_key("runcmd"):
return
outfile="%s/runcmd" % cloudinit.user_scripts_dir
content="#!/bin/sh\n"
escaped="%s%s%s%s" % ( "'", '\\', "'", "'" )
try:
for args in cfg["runcmd"]:
# if the item is a list, wrap all items in single tick
# if its not, then just write it directly
if isinstance(args,list):
fixed = [ ]
for f in args:
fixed.append("'%s'" % str(f).replace("'",escaped))
content="%s%s\n" % ( content, ' '.join(fixed) )
else:
content="%s%s\n" % ( content, str(args) )
util.write_file(outfile,content,0700)
except:
log.warn("failed to open %s for runcmd" % outfile)
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