YueGuobin 86d30f34b4

docker: inject /dev/shm size and host devices via HostConfig from env ...

Heavy NOS containers (e.g. Cisco XRd) need /dev/shm larger than Docker's
64 MB default and host device nodes such as /dev/fuse. Add two opt-in
environment variables, consumed host-side and applied as native Docker
HostConfig keys at create time:

  GNS3_SHM_SIZE (MB)  -> HostConfig.ShmSize (bytes)
  GNS3_DEVICES        -> HostConfig.Devices in `docker run --device` syntax
                         (host[:container[:perm]]; Docker resolves major/minor
                         from the host node itself)

Native HostConfig (rather than remount/mknod inside init.sh) is used so this
works for vendor NOS nodes that skip init.sh (console_type=docker_exec) --
the path XRd must take, since GNS3's init.sh wrapper crashes XRd's glibc
loader. It applies whether or not init.sh runs, needs no schema/API/UI
change (reuses the `environment` field), and only takes effect when the vars
are set, so ordinary nodes keep default Docker behaviour.

GNS3_-prefixed user env vars stay dropped from the container environment
(only consumed here host-side), keeping GNS3-injected vars safe.

2026-08-13 22:39:48 +08:00

..

test_docker_vm.py

docker: inject /dev/shm size and host devices via HostConfig from env

2026-08-13 22:39:48 +08:00

test_docker.py

Adds controller and compute API support for explicitly pulling or updating Docker images.

2026-07-24 16:40:20 +03:00

test_vendor_docker_vm.py

fix: recreate docker_exec console on reconnect after CLI exit

2026-08-13 02:05:17 +08:00