boucher

diff --git a/configs/config.go b/configs/config.go
index 33c9fc0..b07f252 100644
--- a/configs/config.go
+++ b/configs/config.go
@@ -96,9 +96,6 @@ type Config struct {
 	// ReadonlyPaths specifies paths within the container's rootfs to remount as read-only
 	// so that these files prevent any writes.
 	ReadonlyPaths []string `json:"readonly_paths"`
-
-	// Container's standard descriptors (std{in,out,err}), needed for checkpoint and restore

boucher

diff --git a/container_linux.go b/container_linux.go
index f76c777..1e596b5 100644
--- a/container_linux.go
+++ b/container_linux.go
@@ -5,6 +5,7 @@ package libcontainer
 import (
 	"encoding/json"
 	"fmt"
+	"io/ioutil"
 	"os"

boucher

vagrant@vagrant:~$ sudo cat /tmp/checkpoints/ctest2-checkpoint/dump.log 
(00.000071) Added /etc/resolv.conf:/etc/resolv.conf ext mount mapping
(00.000102) Added /etc/hostname:/etc/hostname ext mount mapping
(00.000105) Added /etc/hosts:/etc/hosts ext mount mapping
(00.000109) ========================================
(00.000112) Dumping processes (pid: 30187)
(00.000114) ========================================
(00.000161) Found anon-shmem device at 4
(00.000170) Reset 30226's dirty tracking
(00.000203)  ... done

boucher

# file run.sh
#!/bin/bash

if [ "$DEPLOY_ENV" == "development" ]; then

   # refresh npm modules

   mkdir -p /tmp/packages
   cp /app/package.json /tmp/packages/
   cp /app/npm-shrinkwrap.json /tmp/packages/

boucher

(00.000517) Added eth0:vethdb4a064 veth map
(00.000590) Added /var/lib/docker/aufs/mnt/bf027699523765ea6ec7531a022fa12a37cee7a4312ea65b1218ec34ba1fc681/app/available_modules:/var/lib/docker/vfs/dir/25194a66f9d81334b1136c836b20ad86df2b35631616fdfb0c4836807dd0f729 ext mount mapping
(00.000600) Added /var/lib/docker/aufs/mnt/bf027699523765ea6ec7531a022fa12a37cee7a4312ea65b1218ec34ba1fc681/app/modules/db:/var/lib/docker/vfs/dir/a8b8cc89fad06385b3ff27d937d782107c1f245a0e0ea2e3689ea01bb5346870 ext mount mapping
(00.000603) Added /var/lib/docker/aufs/mnt/bf027699523765ea6ec7531a022fa12a37cee7a4312ea65b1218ec34ba1fc681/etc/resolv.conf:/var/lib/docker/containers/bf027699523765ea6ec7531a022fa12a37cee7a4312ea65b1218ec34ba1fc681/resolv.conf ext mount mapping
(00.000607) Added /var/lib/docker/aufs/mnt/bf027699523765ea6ec7531a022fa12a37cee7a4312ea65b1218ec34ba1fc681/etc/hostname:/var/lib/docker/containers/bf027699523765ea6ec7531a022fa12a37cee7a4312ea65b1218ec34ba1fc681/hostname ext mount mapping
(00.000612) Added /var/lib/

boucher

vagrant@vagrant:/docker$ sudo cat /tmp/strace.log 
8238  execve("/usr/local/sbin/criu", ["criu", "swrk", "3"], [/* 12 vars */]) = 0
8238  brk(0)                            = 0x2070000
8238  access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
8238  mmap(NULL, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9391c49000
8238  access("/etc/ld.so.preload", R_OK) = -1 ENOENT (No such file or directory)
8238  open("/etc/ld.so.cache", O_RDONLY|O_CLOEXEC) = 4
8238  fstat(4, {st_mode=S_IFREG|0644, st_size=33432, ...}) = 0
8238  mmap(NULL, 33432, PROT_READ, MAP_PRIVATE, 4, 0) = 0x7f9391c40000
8238  close(4)                          = 0

boucher

DUMP stringOpts: {"images_dir_fd":77,"pid":22554,"leave_running":true,"ext_unix_sk":false,"tcp_established":true,"shell_job":false,"log_level":4,"log_file":"dump.log","notify_scripts":true,"root":"/var/lib/docker/aufs/mnt/fa93b09a86f58242352e2c96dd81646df36a16edf060f0f13179868f8209c0dc","work_dir_fd":75,"ext_mnt":[{"key":"/app/available_modules","val":"/var/lib/docker/aufs/mnt/fa93b09a86f58242352e2c96dd81646df36a16edf060f0f13179868f8209c0dc/app/available_modules"},{"key":"/app/modules/db","val":"/var/lib/docker/aufs/mnt/fa93b09a86f58242352e2c96dd81646df36a16edf060f0f13179868f8209c0dc/app/modules/db"},{"key":"/etc/resolv.conf","val":"/var/lib/docker/aufs/mnt/fa93b09a86f58242352e2c96dd81646df36a16edf060f0f13179868f8209c0dc/etc/resolv.conf"},{"key":"/etc/hostname","val":"/var/lib/docker/aufs/mnt/fa93b09a86f58242352e2c96dd81646df36a16edf060f0f13179868f8209c0dc/etc/hostname"},{"key":"/etc/hosts","val":"/var/lib/docker/aufs/mnt/fa93b09a86f58242352e2c96dd81646df36a16edf060f0f13179868f8209c0dc/etc/hosts"}],"manage_cg

boucher

# entries-in-buffer/entries-written: 99/99   #P:2
#
#                              _-----=> irqs-off
#                             / _----=> need-resched
#                            | / _---=> hardirq/softirq
#                            || / _--=> preempt-depth
#                            ||| /     delay
#           TASK-PID   CPU#  ||||    TIMESTAMP  FUNCTION
#              | |       |   ||||       |         |
              sh-22291 [001] d...  5148.873034: signal_generate: sig=17 errno=0 code=262145 comm=sudo pid=22290 grp=1 res=0

boucher

(00.000042) Added /var/lib/docker/aufs/mnt/aef1fe98f05bd8385acb231400f83b4ffa1a0cc891dede16d73dfb77df564220/app/available_modules:/var/lib/docker/vfs/dir/25194a66f9d81334b1136c836b20ad86df2b35631616fdfb0c4836807dd0f729 ext mount mapping
(00.000069) Added /var/lib/docker/aufs/mnt/aef1fe98f05bd8385acb231400f83b4ffa1a0cc891dede16d73dfb77df564220/app/modules/db:/var/lib/docker/vfs/dir/a0d6bf94637ae5f085f0188d905cdaa44b9f333e0c0aad3f707d712cce216f15 ext mount mapping
(00.000072) Added /var/lib/docker/aufs/mnt/aef1fe98f05bd8385acb231400f83b4ffa1a0cc891dede16d73dfb77df564220/etc/resolv.conf:/var/lib/docker/containers/aef1fe98f05bd8385acb231400f83b4ffa1a0cc891dede16d73dfb77df564220/resolv.conf ext mount mapping
(00.000075) Added /var/lib/docker/aufs/mnt/aef1fe98f05bd8385acb231400f83b4ffa1a0cc891dede16d73dfb77df564220/etc/hostname:/var/lib/docker/containers/aef1fe98f05bd8385acb231400f83b4ffa1a0cc891dede16d73dfb77df564220/hostname ext mount mapping
(00.000077) Added /var/lib/docker/aufs/mnt/aef1fe98f05bd8385acb231400f8

boucher

(00.169395) Error (cr-restore.c:1597): Can't interrupt task: No such process
(00.169400) Restore finished successfully. Resuming tasks.
(00.169445) Error (arch/x86/crtools.c:550): Unable to disable the breakpoint
(00.169449) Error (cr-restore.c:1831): Unable to flush breakpoints
(00.169461) Error (cr-restore.c:1666): Unable to execute 6727: No such process