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define runit::service::enabled( $ensure = present, $timeout ) {
# enabling the service by creating a symlink in /etc/service
file { "/etc/service/${name}":
target => "/etc/sv/${name}",
ensure => $ensure ? {
present => link,
default => absent,
},
}
if $ensure == present {
# subscribe to any run file changes
File["/etc/sv/${name}/run"] ~> Runit::Service::Enabled[$name]
# we also require notification from all environment variables
Runit::Service::Env <| service == $name |> {
notify +> Runit::Service::Enabled[$name]
}
exec { "sv restart ${name}":
subscribe => File["/etc/service/${name}"],
# last command is true, so this resource never fails
command => "/usr/bin/sv -w ${timeout} force-restart /etc/sv/${name}; true",
# we desperately need the supervise directory to restart a service
onlyif => "test -d '/etc/sv/${name}'/supervise",
refreshonly => true,
}
} else {
# Stop the service in THIS sequence:
# 1. remove /etc/services link
# 2. force-shutdown /etc/sv/*
# 3. remove /etc/sv stuff
# 4. manage users, groups, whatever
exec { "sv exit ${name}":
require => File["/etc/service/${name}"],
before => File["/etc/sv/${name}"],
# we wait a few seconds just in case this is the firstmost service activation
# then the supervise directory need to be created (automically) by runit
command => "/usr/bin/sv -w ${timeout} force-shutdown /etc/sv/${name}; true",
# when "/etc/sv/${name}" is not there, do not exec
onlyif => "test -d '/etc/sv/${name}'",
}
# if we have users/groups, we need to remove them AFTER stopping the server
User <||> { require +> Exec["sv exit ${name}"] }
Group <||> { require +> Exec["sv exit ${name}"] }
}
}
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