Forum: Cfengine Help
Subject: Daemon Checks
Author: nima
Link to topic: https://cfengine.com/forum/read.php?3,18350,18350#msg-18350
This has been discussed in a recent thread, however that has not answered my
question/problem:
Here's the relevant cf3 config:
body process_select selectProcess(cmd) {
command => "^$(cmd)";
process_result => "command";
}
bundle agent RestartDaemon(name, restart_action) {
processes:
"$(name)"
process_select => selectProcess("$(name)"),
restart_class => canonify("_dead_daemon")
;
commands:
"/etc/init.d/$(name)"
args => "start",
module => "false",
ifvarclass => canonify("_dead_daemon")
;
"/etc/init.d/$(name)"
args => "$(restart_action)",
module => "false",
ifvarclass => canonify("!_dead_daemon")
;
reports:
_dead_daemon::
"[ sys-root
]$(ansi.svc)RestartDaemon->commands->start($(name))$(ansi.reset)";
!_dead_daemon::
"[ sys-root
]$(ansi.svc)RestartDaemon->commands->$(restart_action)($(name))$(ansi.reset)";
}
The caller config is as follows:
bundle agent DNSMasq {
classes:
"nss_netgroup_dnsmasq"
expression => hostinnetgroup("dnsmasq")
;
"_newpidfile"
and => {
fileexists("$(syspath.etc)/hosts"),
fileexists("$(syspath.run)/dnsmasq/dnsmasq.pid"),
isnewerthan("$(syspath.etc)/hosts",
"$(syspath.run)/dnsmasq/dnsmasq.pid")
}
;
files:
nss_netgroup_dnsmasq::
"$(syspath.etc)/dnsmasq.d"
copy_from => MirrorFrom("$(config.scm)/etc/dnsmasq.d",
"false"),
move_obstructions => "true",
perms => setRootOwned,
depth_search => Recursive,
classes => DefineSoftClass("_updated"),
comment => "$(ansi.pass)Update($(this.promiser))$(ansi.reset)";
"$(syspath.etc)/dnsmasq.conf"
copy_from => MirrorFrom("$(config.scm)/etc/dnsmasq.conf",
"true"),
move_obstructions => "true",
classes => DefineSoftClass("_updated"),
comment => "$(ansi.pass)Update($(this.promiser))$(ansi.reset)";
processes:
nss_netgroup_dnsmasq::
"dnsmasq"
restart_class => "_nopid"
;
methods:
_nopid|_updated|_newpidfile::
"any" usebundle => RestartDaemon("dnsmasq", "force-reload");
reports:
nss_netgroup_dnsmasq::
"[ svc-dnsmasq ]$(ansi.ou)[ ou=dnsmasq ]$(ansi.reset)";
}
If I stop the daemon, then it will be started via the "start" argument passed
to the init.d script - good.
However, if I modify the dnsmasq configuration files, instead of
"force-reload", it is still sending it "start". What I need it to do is
obvious - "start" if it's not in the process tree, and whatever the use
supplied (force-reload in this case) otherwise.
Any ideas?
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