diff options
Diffstat (limited to 'ec2init')
| -rw-r--r-- | ec2init/CloudConfig.py | 9 | ||||
| -rw-r--r-- | ec2init/__init__.py | 3 |
2 files changed, 12 insertions, 0 deletions
diff --git a/ec2init/CloudConfig.py b/ec2init/CloudConfig.py index 9c58246f..17a14363 100644 --- a/ec2init/CloudConfig.py +++ b/ec2init/CloudConfig.py @@ -23,6 +23,7 @@ import ec2init.util as util import subprocess import os import glob +import sys per_instance="once-per-instance" @@ -37,11 +38,13 @@ class CloudConfig(): self.cloud.get_data_source() self.add_handler('apt-update-upgrade', self.h_apt_update_upgrade) self.add_handler('config-ssh') + self.add_handler('disable-ec2-metadata') def get_config_obj(self,cfgfile): f=file(cfgfile) cfg=yaml.load(f.read()) f.close() + if cfg is None: cfg = { } return(util.mergedict(cfg,self.cloud.cfg)) def convert_old_config(self): @@ -143,6 +146,12 @@ class CloudConfig(): return(True) + def h_disable_ec2_metadata(self,name,args): + if util.get_cfg_option_bool(self.cfg, "disable_ec2_metadata", False): + #fwall="iptables -A OUTPUT -p tcp --dport 80 --destination 169.254.169.254 -j REJECT" + fwall="route add -host 169.254.169.254 reject" + subprocess.call(fwall.split(' ')) + def h_config_ssh(self,name,args): # remove the static keys from the pristine image for f in glob.glob("/etc/ssh/ssh_host_*_key*"): diff --git a/ec2init/__init__.py b/ec2init/__init__.py index 9d701619..80203c80 100644 --- a/ec2init/__init__.py +++ b/ec2init/__init__.py @@ -73,12 +73,15 @@ class EC2Init: stream.close() except: pass + + if conf is None: conf = { } # support reading the old ConfigObj format file and merging # it into the yaml dictionary try: from configobj import ConfigObj oldcfg = ConfigObj(self.old_conffile) + if oldcfg is None: oldcfg = { } conf = util.mergedict(conf,oldcfg) except: pass |