LXC configuration + useful hooks
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
lxc-config/hooks/update-mounts

50 lines
1.2 KiB

#!/usr/bin/env ruby
require 'pathname'
require_relative "lib/lxc"
LXC_ROOT = Pathname.new("/data/containers")
FSTAB_D = Pathname.new("/etc/fstab.d")
SYS_MOUNT = 165
MS_BIND = 4096
def mount(src_path, dest_path, mounts)
unless src_path.exist?
abort "container directory for shared mount does not exists #{dest_path}"
end
unless src_path.exist?
abort "container directory for shared mount does not exists #{src_path}"
end
entries = mounts.map do |src, dest|
src = src.gsub(/^\//, "")
src_mount = dest_path.join(src)
if dest == true
dest_mount = src_path.join(src)
else
dest_mount = src_path.join(dest.gsub(/^\//, ""))
end
puts ("mkdir -p #{dest_mount}")
FileUtils.mkdir_p(dest_mount)
syscall(SYS_MOUNT, src_mount.to_s, dest_mount.to_s, "none", MS_BIND, 0)
end
entries
end
def main
registry = Lxc::Registry.new
network = registry.data["network"] || {}
network.each do |name, container|
src_path = LXC_ROOT.join(name, "rootfs")
containers = container["mounts"]
next if containers.nil?
containers.each do |dest_container, mounts|
dest_path = LXC_ROOT.join(dest_container, "rootfs")
mount(src_path, dest_path, mounts)
end
end
end
main