-# Restarting nm (via systemctl): Warning: Unit file of created job changed on disk, 'systemctl --system daemon-reload' recommended.
-
import os, os.path
import tools
class Initscript:
- def __init__ (self, name):
- self.name=name
+ def __init__(self, name):
+ self.name = name
self.initscript = ''
- def configure (self, rec):
- logger.log("Initscript.configure")
+ def configure(self, rec):
+# logger.log("Initscript.configure")
new_initscript = rec['initscript']
if new_initscript != self.initscript:
self.initscript = new_initscript
#self.initscriptchanged = True
self.refresh_slice_vinit()
+ def install_and_enable_vinit(self):
+ "prepare sliver rootfs init and systemd so the vinit service kicks in"
+ # the fact that systemd attempts to run old-style services
+ # says we should do either one or the other and not both
+ # but actually if that was true we could just do it for init and be fine
+ # which is not what we've seen starting with f18
+ # so we try for a systemd system, and if it fails it means
+ # one of the dir does not exist and so we are dealing with an init-based rootfs
+ try:
+ self.install_and_enable_vinit_for_systemd ()
+ except:
+ self.install_and_enable_vinit_for_init ()
+
# unconditionnally install and enable the generic vinit script
# mimicking chkconfig for enabling the generic vinit script
# this is hardwired for runlevel 3
- def install_and_enable_vinit (self):
- vinit_source="/usr/share/NodeManager/sliver-initscripts/vinit"
- vinit_script="/vservers/%s/etc/rc.d/init.d/vinit"%self.name
- rc3_link="/vservers/%s/etc/rc.d/rc3.d/S99vinit"%self.name
- rc3_target="../init.d/vinit"
+ def install_and_enable_vinit_for_init(self):
+ """
+ suitable for init-based VMs
+ """
+ vinit_source = "/usr/share/NodeManager/sliver-initscripts/vinit"
+ vinit_script = "/vservers/%s/etc/rc.d/init.d/vinit" % self.name
+ enable_link = "/vservers/%s/etc/rc.d/rc3.d/S99vinit" % self.name
+ enable_target = "../init.d/vinit"
# install in sliver
- code=file(vinit_source).read()
- if tools.replace_file_with_string(vinit_script,code,chmod=0755):
- logger.log("vsliver_vs: %s: installed generic vinit rc script"%self.name)
+ code = file(vinit_source).read()
+ if tools.replace_file_with_string(vinit_script, code, chmod=0755):
+ logger.log("Initscript: %s: installed generic vinit rc script" % self.name)
# create symlink for runlevel 3
- if not os.path.islink(rc3_link):
+ if not os.path.islink(enable_link):
+ try:
+ logger.log("Initscript: %s: creating runlevel3 symlink %s" % (self.name,enable_link))
+ os.symlink(enable_target, enable_link)
+ except:
+ logger.log_exc("Initscript failed to create runlevel3 symlink %s" % enable_link, name=self.name)
+
+ # very similar but with systemd unit files - we target 'multi-user' in this context
+ def install_and_enable_vinit_for_systemd(self):
+ """
+ suitable for systemd-based VMs
+ """
+ vinit_source = "/usr/share/NodeManager/sliver-systemd/vinit.service"
+ vinit_unit_file = "/vservers/%s/usr/lib/systemd/system/vinit.service" % self.name
+ enable_link = "/vservers/%s/etc/systemd/system/multi-user.target.wants/vinit.service" % self.name
+ enable_target = "/usr/lib/systemd/system/vinit.service"
+ # install in sliver
+ code = file(vinit_source).read()
+ if tools.replace_file_with_string(vinit_unit_file, code, chmod=0755):
+ logger.log("Initscript: %s: installed vinit.service unit file" % self.name)
+ # create symlink for enabling this unit
+ if not os.path.islink(enable_link):
try:
- logger.log("vsliver_vs: %s: creating runlevel3 symlink %s"%(self.name,rc3_link))
- os.symlink(rc3_target,rc3_link)
+ logger.log("Initscript: %s: creating enabling symlink %s" % (self.name, enable_link))
+ os.symlink(enable_target, enable_link)
except:
- logger.log_exc("vsliver_vs: %s: failed to create runlevel3 symlink %s"%rc3_link)
+ logger.log_exc("Initscript failed to create enabling symlink %s" % enable_link,name=name)
+
# install or remove the slice inistscript, as instructed by the initscript tag
def refresh_slice_vinit(self):
- code=self.initscript
- sliver_initscript="/vservers/%s/etc/rc.d/init.d/vinit.slice"%self.name
- if tools.replace_file_with_string(sliver_initscript,code,remove_if_empty=True,chmod=0755):
+ logger.log("initscript.refresh_slice_vinit {}".format(self.name))
+ code = self.initscript
+ sliver_initscript="/vservers/%s/etc/rc.d/init.d/vinit.slice" % self.name
+ if tools.replace_file_with_string(sliver_initscript, code, remove_if_empty=True, chmod=0755):
if code:
- logger.log("vsliver_vs: %s: Installed new initscript in %s"%(self.name,sliver_initscript))
+ logger.log("Initscript: %s: Installed new initscript in %s" % (self.name, sliver_initscript))
if self.is_running():
# Only need to rerun the initscript if the vserver is
# already running. If the vserver isn't running, then the
# /etc/rc.d/vinit when the vserver is started.
self.rerun_slice_vinit()
else:
- logger.log("vsliver_vs: %s: Removed obsolete initscript %s"%(self.name,sliver_initscript))
-
+ logger.log("Initscript: %s: Removed obsolete initscript %s" % (self.name, sliver_initscript))
+ else:
+ logger.log("initscript.refresh_slice_vinit {} - void".format(self.name))