Hello,
Alright, my puppetmaster configuration works without external nodes,
but I really need my external node script to work.
In my /etc/puppet/puppet.conf I have the following:
[main]
...
node_terminus = exec
external_nodes = /etc/puppet/tools/external_nodes.py
When running puppetmaster, I get:
[r...@vpsadmins ~]# puppetmasterd --no-daemonize --verbose --debug
[--snip--]
info: Listening on port 8140
notice: Starting Puppet server version 0.24.8
debug: Overriding dc2-vps1-400.example.com with cert name dc2-
vps1-400b.example.com
info: access[fileserver]: allowing *.example.com access
info: access[puppetmaster]: allowing *.example.com access
info: access[resource]: allowing vpsadmins.example.com access
info: access[puppetbucket]: allowing *.example.com
access info: access
[puppetreports]: allowing *.example.com access
debug: Allowing authenticated client dc2-vps1-400b.example.com
(67.227.199.245) access to puppet
master.getconfig
debug: Our client is remote
debug: Executing '/etc/puppet/tools/external_nodes.py dc2-
vps1-400b.example.com'
err: Could not call: Could not find node 'dc2-vps1-400b.example.com';
cannot compile
notice: Caught INT; shutting down
debug: Signal caught here:
debug: /usr/lib/ruby/site_ruby/1.8/puppet/external/event-loop/event-
loop.rb:127:in `call'
debug: /usr/lib/ruby/site_ruby/1.8/puppet/external/event-loop/event-
loop.rb:127:in `select'
debug: /usr/lib/ruby/site_ruby/1.8/puppet/external/event-loop/event-
loop.rb:127:in `select'
debug: /usr/lib/ruby/site_ruby/1.8/puppet/external/event-loop/event-
loop.rb:116:in `iterate'
debug: /usr/lib/ruby/site_ruby/1.8/puppet/external/event-loop/event-
loop.rb:107:in `run'
debug: /usr/lib/ruby/site_ruby/1.8/puppet.rb:320:in `start'
debug: /usr/sbin/puppetmasterd:285
notice: Shutting down
When I run the script directly:
[r...@vpsadmins ~]# python /etc/puppet/tools/external_nodes.py dc2-
vps1-400b.example.com
---
classes:
- custom
- monitoring::base
- ntpd
- puppetd
- rpms
- sshd
- yum
- crontab
- iptables
- ldap::client
- monitoring::vps
- sudo
- virtuozzo
- vpsscripts
Here's the script I am running:
#!/usr/local/bin/python
#
# external_nodes.py
# Take a YAML file containing node types, regular expressions to
match
# a hostname, and which modules are get loaded for each node type.
# Print to stdout the list of classes (in YAML) associated with the
node
# type. This script is currently not very pythonic.
#
# TODO: actual error checking, particularly for file handling
### Imports
import sys
import re
import time
import yaml
### Constants
# puppet user must have read acces to this
NODEFILE = '/etc/puppet/nodes.yaml'
# puppet user must have write access to this
LOGFILE = '/var/log/puppet/nodes.log'
### Arguments
hostname = sys.argv[1]
### Functions
# Open NODESFILE and load the two documents into structures, return as
tuple
def parse_nodefile():
f = file(NODEFILE, 'r')
docs = yaml.load_all(f.read())
f.close()
return (docs.next(), docs.next())
# Write a msg to LOGFILE
def log(msg):
f = file(LOGFILE, 'a')
timestamp = time.strftime('%Y%m%d-%H:%M')
f.write(timestamp + ' - ' + msg + '\n')
f.close()
### Action!
(regexes, modules) = parse_nodefile()
for nodetype, regexlist in regexes.iteritems():
for regex in regexlist:
p = re.compile(regex)
m = p.match(hostname)
if m:
found_nodetype = nodetype
modulelist = modules['default']
try:
if found_nodetype and modules[found_nodetype] is not None:
modulelist.extend(modules[found_nodetype])
except NameError:
log(hostname + ' doesn\'t match a defined node type')
sys.exit(1)
yamldoc = {'classes': modulelist}
print yaml.dump(yamldoc, explicit_start=True,
default_flow_style=False)
# Puppet expects a return code of 0 to signal to indicate success
# and non-zero for error or a non-regcognized hostname
sys.exit(0)
This particular server is covered by this in my nodes.yaml:
- ^dc2-vps[12]-[2-9][0-9][0-9]b\.example\.com$
According to the wiki all I need to do is return YAML with an exit
code of 0, which this script does.
Anyone have any ideas as to why I am getting this error?
I appreciate any help,
Curt Micol
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