X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=initscript.py;h=0876abbe9a5f54976b04b9644e3e638e22dccf1d;hb=ecee05390277f57b02d21ffca0195292bde1defa;hp=9682170f65ea3003aacc4313f09be585c742be63;hpb=6ec82e6a49df218bcbf4337d85d8d87dc8273824;p=nodemanager.git diff --git a/initscript.py b/initscript.py index 9682170..0876abb 100644 --- a/initscript.py +++ b/initscript.py @@ -1,5 +1,3 @@ -# Restarting nm (via systemctl): Warning: Unit file of created job changed on disk, 'systemctl --system daemon-reload' recommended. - import os, os.path import tools @@ -12,7 +10,7 @@ class Initscript: self.initscript = '' def configure (self, rec): - logger.log("Initscript.configure") +# logger.log("Initscript.configure") new_initscript = rec['initscript'] if new_initscript != self.initscript: self.initscript = new_initscript @@ -20,25 +18,60 @@ class 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): + 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 - rc3_link="/vservers/%s/etc/rc.d/rc3.d/S99vinit"%self.name - rc3_target="../init.d/vinit" + 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) + 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) + + +#ln -s '/usr/lib/systemd/system/vinit.service' '/etc/systemd/system/multi-user.target.wants/vinit.service' + # install or remove the slice inistscript, as instructed by the initscript tag def refresh_slice_vinit(self): @@ -46,7 +79,7 @@ class 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 @@ -54,5 +87,5 @@ class Initscript: # /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))