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Containers can have a default stop-signal (`--stop-signal` / `STOPSIGNAL`) and
timeout (`--stop-timeout`). It is currently not possible to update either of
these after the container is created (`docker update` does not allow updating
them), and while either of these can be overridden through some commands, we
currently do not have a command that can override *both*:
command | stop-signal | stop-timeout | notes
----------------|-------------|--------------|----------------------------
docker kill | yes | DNA | only sends a single signal
docker restart | no | yes |
docker stop | no | yes |
As a result, if a user wants to stop a container with a custom signal and
timeout, the only option is to do this manually:
docker kill -s <custom signal> mycontainer
# wait <desired timeout>
# press ^C to cancel the graceful stop
# forcibly kill the container
docker kill mycontainer
This patch adds a new `signal` query parameter to the container "stop" and
"restart" endpoints. This parameter can be added as a new flag on the CLI,
which would allow stopping and restarting with a custom timeout and signal,
for example:
docker stop --signal=SIGWINCH --time=120 mycontainer
docker restart --signal=SIGWINCH --time=120 mycontainer
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
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|---|---|---|
| .. | ||
| config.go | ||
| container_changes.go | ||
| container_create.go | ||
| container_top.go | ||
| container_update.go | ||
| container_wait_o_k_body.go | ||
| container_wait_o_k_body_error.go | ||
| host_config.go | ||
| hostconfig_unix.go | ||
| hostconfig_windows.go | ||
| waitcondition.go | ||