EasyPak

A binary package tool. package a minimal filesystem to a single file.

Usage

ezbin targetexecutable buildinstrustion

buildinstrustion example

print Hello world
warn It will be output to stderr
mktmpfs /tmp
bind /proc:/tmp/proc
chroot /tmp
chdir /
@data
exec-passthru /usr/bin/endpoint

@data is means package all files in data directory to target executable

PS

1. Only support normal files
2. Only perserve 9bit permission info, no owner uid/gid or SELinux context

command list

• print message: print something to stdout
• warn message: print something to stderr
• strategy content:
  overwrite:0 means threat overwriting files as error
  overwrite:1 means force overwrite files
  overwrite:2 means skip exist files
• chdir target: just change current working directory
  PS: will create target directory automatically
• mkdir target: create directory
• mktmpfs target: mount tmpfs to target directory
  PS: will create target directory automatically
• chroot target: change root directory
• pivot_root src:target
• bind src:target: just like mount --bind command
• exec cmdline: execute command
• exec-background cmdline: execute command in background
• run cmdline: execute command in background and wait
• checked-run cmdline: execute command in background and check the result
• wait: wait last background task to exit
• waitstop: wait last background task to stopped
• waitdir dir: wait target dir to be changed
• waitfile file: wait target file to be exists
• exec-passthru executable: execute command but passthrough all arguments to it
• fuse target: use fuse to target directory
• env name=value: set environment (overwrite)
• option name=value: set enivironment (ignore if set already)
• vfork: start a background task (end with any exec/exec-passthru/force-exit)
• fork: start a background task (end with any exec/exec-passthru/force-exit)
• force-exit: exit process immediately
• include xxx.ezpak: include another ezpak file (build with ezio)
• daemon: run as daemon
• pidfile: create pidfile (failed if locked)
• pause: wait for signal
• checkfile target: check target file exists
• findexe env=cmd: find command in PATH and set to env variable
• delete-self: delete self
• hostname name: set hostname
• delete path: delete path recursive
• umount path: umount path
• add-path path: append path to $PATH