Module: Isono::Runner::Daemonize
- Defined in:
- lib/isono/runner/base.rb
Class Method Summary collapse
-
.change_privilege(user, group = user) ⇒ Object
Change privileges of the process to the specified user and group.
- .daemonize(log_io = STDOUT) ⇒ Object
Class Method Details
.change_privilege(user, group = user) ⇒ Object
Change privileges of the process to the specified user and group.
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# File 'lib/isono/runner/base.rb', line 16 def self.change_privilege(user, group=user) logger.info("Changing process privilege to #{user}:#{group}") uid, gid = Process.euid, Process.egid target_uid = Etc.getpwnam(user).uid target_gid = Etc.getgrnam(group).gid if uid != target_uid || gid != target_gid # Change process ownership Process.initgroups(user, target_gid) Process::GID.change_privilege(target_gid) Process::UID.change_privilege(target_uid) end rescue Errno::EPERM => e logger.error("Couldn't change user and group to #{user}:#{group}: #{e}") end |
.daemonize(log_io = STDOUT) ⇒ Object
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# File 'lib/isono/runner/base.rb', line 33 def self.daemonize(log_io=STDOUT) exit if fork srand trap 'SIGHUP', 'DEFAULT' STDIN.reopen('/dev/null') STDOUT.reopen(log_io) STDERR.reopen(log_io) end |