keepalive

Keepalive is a simple bash script that executes a process and respawns it if it exits.

Usage

keepalive [--num=<num>] <user> <log> <cmd> [<cmdopts>]
 
ARGUMENTS
  user          Username which ia used to run service
  log           Path to log file
  cmd           Path to command
  cmdopts	Options to pass to command
 
OPTIONS
  --num=<num>	Number of instances to spawn (default 1)

Example

$ keepalive nobody my.log /bin/my-service --options foo

Signals

Keepalive recognizes the following signals:

• HUP: reopen log files
• TERM: send TERM to process group (terminates service)

Change Log

• 3.0.0: bump version to reflect introduction of a breaking change
• 2.1.0: --num option (WARNING: this was unintentionally a breaking change)
• 2.0.1: fix issues reopening log file
• 2.0.0: required args
• 1.3.1: fix issues killing process group
• 1.3.0: --user option
• 1.2.0: --logfile option
• 1.1.0: log support and reopen log on HUP
• 1.0.1: kill launched process on TERM
• 1.0.0: initial release