Marc CARRE
21a0fc30e8
Run weaver without exec.
This:
1. prevents from generating defunct (a.k.a. zombie) processes, and therefore fixes #2836; but also
2. reintroduces #2684/#2688 as shells do not forward signals and we are still running more than one process.
A proper fix would leverage something like tini.
See also:
- github.com/krallin/tini
- github.com/krallin/tini/issues/8
- github.com/docker-library/official-images#init
Sample output:
- during initialisation:
```
$ ps auxf
[...]
root 1380 0.4 1.9 879660 74660 ? Ssl Mar13 6:02 /usr/bin/docker daemon -H fd:// -H unix:///
root 1664 0.0 0.4 502116 18528 ? Ssl Mar13 0:06 \_ docker-containerd -l /var/run/docker/li
root 15482 0.0 0.0 200496 3364 ? Sl 15:04 0:00 \_ docker-containerd-shim 3d1f5eb6e090
root 15496 0.0 0.0 1524 996 ? Ss 15:04 0:00 | \_ /bin/sh /home/weave/launch.sh
root 15780 0.0 0.0 1524 64 ? S 15:04 0:00 | \_ /bin/sh /home/weave/launch.
root 15872 0.0 0.0 1772 1272 ? S 15:04 0:00 | | \_ /bin/sh /home/weave/wea
root 15897 0.0 0.0 1772 324 ? S 15:04 0:00 | | \_ /bin/sh /home/weave
root 15898 0.0 0.0 14656 2948 ? S 15:04 0:00 | | \_ curl -o /tmp/we
root 15781 10.0 1.5 484556 60296 ? Sl 15:04 0:00 | \_ /home/weave/weaver --port=6
[...]
```
- after initialisation:
```
$ ps auxf
[...]
root 1380 0.4 1.9 879660 74660 ? Ssl Mar13 6:02 /usr/bin/docker daemon -H fd:// -H unix:///
root 1664 0.0 0.4 502116 18592 ? Ssl Mar13 0:06 \_ docker-containerd -l /var/run/docker/li
root 15482 0.0 0.0 200496 3364 ? Sl 15:04 0:00 \_ docker-containerd-shim 3d1f5eb6e090
root 15496 0.0 0.0 1524 996 ? Ss 15:04 0:00 | \_ /bin/sh /home/weave/launch.sh
root 15781 2.3 1.6 503064 64320 ? Sl 15:04 0:00 | \_ /home/weave/weaver --port=6[...]
```
2017-03-14 15:34:47 +00:00
..
2017-01-24 17:23:00 +02:00
2017-03-14 15:34:47 +00:00
2017-02-08 12:48:32 +00:00
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