import tools
import logger
-priority = 50
+# we need this to run after sliverauth
+priority = 150
def start():
pass
# hard-wire this for now
# once the variables are expanded, this is expected to go into
config_ple_template="""---
-# Example:
-# _slicename_ = nicta_ruby
-# _hostname_ = planetlab1.research.nicta.com.au
-# _xmpp_server_ = xmpp.planet-lab.eu
-
-:uid: _slicename_@_hostname_
+# we extract expires time here, even in a comment so that the
+# trigger script gets called whenever this changes
+# expires: _expires_
+
+# these are not actual OMF parameters, they are only used by the trigger script
+:hostname: _hostname_
+:slicename: _slicename_
+
+# OMF configuration
+:uid: _slicename_%_hostname_
:uri: xmpp://_slicename_-_hostname_-<%= "#{Process.pid}" %>:_slicename_-_hostname_-<%= "#{Process.pid}" %>@_xmpp_server_
:environment: production
:debug: false
# given that we're now responsible for fetching this one, I have to
# decide on an actual path - not jsut a name to search for in PATH
omf_rc_trigger_script="/usr/bin/plc_trigger_omf_rc"
+omf_rc_trigger_log="/var/log/plc_trigger_omf_rc.log"
# hopefully temporary: when trigger script is missing, fetch it at the url here
omf_rc_trigger_url="http://git.mytestbed.net/?p=omf.git;a=blob_plain;f=omf_rc/bin/plc_trigger_omf_rc;hb=HEAD"
# skip non OMF-friendly slices
if not is_omf_friendly (sliver): continue
slicename=sliver['name']
+ expires=str(sliver['expires'])
yaml_template = config_ple_template
yaml_contents = yaml_template\
.replace('_xmpp_server_',xmpp_server)\
.replace('_slicename_',slicename)\
- .replace('_hostname_',hostname)
+ .replace('_hostname_',hostname)\
+ .replace('_expires_',expires)
yaml_full_path="/vservers/%s/%s"%(slicename,yaml_slice_path)
yaml_full_dir=os.path.dirname(yaml_full_path)
if not os.path.isdir(yaml_full_dir):
try:
fetch_trigger_script_if_missing (slicename)
# the trigger script actually needs to be run in the slice context of course
- slice_command = ["sudo -i %s"%omf_rc_trigger_script]
+ # in addition there is a requirement to pretend we run as a login shell
+ # hence sudo -i
+ slice_command = [ "sudo", "-i", omf_rc_trigger_script ]
to_run = tools.command_in_slice (slicename, slice_command)
- logger.log("command_in_slice: %s"%to_run)
- sp=subprocess.Popen(to_run, stdout=subprocess.PIPE,stderr=subprocess.STDOUT)
- (out,err)=sp.communicate()
- retcod=sp.returncode
- # we don't wait for that, try to display a retcod for info purpose only
- # might be None if that config script lasts or hangs whatever
- logger.log("omf_resctl: %s: called OMF rc control script (imm. retcod=%r)"%(slicename,retcod))
- logger.log("omf_resctl: got stdout\n%s"%out)
- logger.log("omf_resctl: got stderr\n%s"%err)
+ log_filename = "/vservers/%s/%s"%(slicename,omf_rc_trigger_log)
+ logger.log("omf_resctl: starting %s"%to_run)
+ logger.log("redirected into %s"%log_filename)
+ logger.log("*not* waiting for completion..")
+ with open(log_filename,"a") as log_file:
+ subprocess.Popen(to_run, stdout=log_file,stderr=subprocess.STDOUT)
+ # a first version tried to 'communicate' on that subprocess instance
+ # but that tended to create deadlocks in some cases
+ # causing nodemanager to stall...
+ # we're only losing the child's retcod, no big deal
except:
import traceback
traceback.print_exc()