Fix #376: enable systemd.extra_run_flags for devbox (#377)

This enables setting systemd.extra_run_flags for devbox and having
the flags apply to all devbox's
For example:
```yaml
systemd:
  extra_run_flags:
    devbox:
      gpus: "all"
```

This will set `--gpus="all"` for all devbox instances

rsconf/systemd.py

@@ -175,7 +175,7 @@ def _exports(instance_spec, env):
         )
 
     def _extra_run_flags(instance_spec):
-        c = z.pkunchecked_nested_get("extra_run_flags." + compt.name)
+        c = z.pkunchecked_nested_get("extra_run_flags." + compt.module_name)
         if not c:
             return ""
         return " ".join([f"--{k}='{v}'" for k, v in c.items()])

tests/pkcli/build_data/1.in/db/000.yml

@@ -468,7 +468,7 @@ host:
             ssh_port: 3103
       systemd:
         extra_run_flags:
-          rsivizdevbox:
+          devbox:
             gpus: "all"
       jupyterhub:
         jupyter_docker_image: radiasoft/custom-jupyter:latest

tests/pkcli/build_data/1.out/srv/host/v9.radia.run/devbox_devtech3.sh

@@ -7,7 +7,7 @@ rsconf_install_access '500' 'vagrant' 'vagrant'
 rsconf_install_file '/srv/devbox_devtech3/cmd' 'e4519a71f8e5f1ccf0006350977c367d'
 rsconf_install_file '/srv/devbox_devtech3/env' '22e03a134cc868bb12094d8dc118a6c4'
 rsconf_install_file '/srv/devbox_devtech3/remove' 'd8d61104199236b9701424db5247cc32'
-rsconf_install_file '/srv/devbox_devtech3/start' 'f05099b7cb37e15f974372a6814d5772'
+rsconf_install_file '/srv/devbox_devtech3/start' 'a78c538db7531737496910ae6a088403'
 rsconf_install_file '/srv/devbox_devtech3/stop' '38bd86d43d98dfac2ccce1feca46f21c'
 rsconf_install_access '444' 'root' 'root'
 rsconf_install_file '/etc/systemd/system/devbox_devtech3.service' 'afdbd1365adaa419c07b302e20dff287'

tests/pkcli/build_data/1.out/srv/host/v9.radia.run/devbox_fullstackdude.sh

@@ -7,7 +7,7 @@ rsconf_install_access '500' 'vagrant' 'vagrant'
 rsconf_install_file '/srv/devbox_fullstackdude/cmd' 'cdcf85170cfe88770e11b1fdb2062550'
 rsconf_install_file '/srv/devbox_fullstackdude/env' '22e03a134cc868bb12094d8dc118a6c4'
 rsconf_install_file '/srv/devbox_fullstackdude/remove' '2e3f05447c3a666355e47923fc17dc79'
-rsconf_install_file '/srv/devbox_fullstackdude/start' 'c3e2ce8f63d5e03a5c3c2e972ccd0f3e'
+rsconf_install_file '/srv/devbox_fullstackdude/start' 'ca6c123d3e26263f7aae2e71420c66b8'
 rsconf_install_file '/srv/devbox_fullstackdude/stop' 'b9d49c0e7995043a88d9602b0cf6e284'
 rsconf_install_access '444' 'root' 'root'
 rsconf_install_file '/etc/systemd/system/devbox_fullstackdude.service' 'e8e49c2404fb1c49825f03be1ab333fe'

tests/pkcli/build_data/1.out/srv/host/v9.radia.run/srv/devbox_devtech3/start

@@ -26,4 +26,4 @@ else
     image_cmd+=( /srv/devbox_devtech3/cmd )
 fi
 # --init runs tini wrapper: https://github.com/krallin/tini
-exec docker run "${flags[@]}" --init --rm "--user=$user" --network=host -v '/srv/devbox_devtech3/jupyter:/home/vagrant/jupyter:rw' -v '/srv/devbox_devtech3/src:/home/vagrant/src:rw' -v '/srv/devbox_devtech3/sshd:/home/vagrant/.ssh:ro' -v '/srv/devbox_devtech3:/srv/devbox_devtech3:ro'  "${image_cmd[@]}"
+exec docker run "${flags[@]}" --init --rm "--user=$user" --network=host -v '/srv/devbox_devtech3/jupyter:/home/vagrant/jupyter:rw' -v '/srv/devbox_devtech3/src:/home/vagrant/src:rw' -v '/srv/devbox_devtech3/sshd:/home/vagrant/.ssh:ro' -v '/srv/devbox_devtech3:/srv/devbox_devtech3:ro' --gpus='all' "${image_cmd[@]}"

tests/pkcli/build_data/1.out/srv/host/v9.radia.run/srv/devbox_fullstackdude/start

@@ -26,4 +26,4 @@ else
     image_cmd+=( /srv/devbox_fullstackdude/cmd )
 fi
 # --init runs tini wrapper: https://github.com/krallin/tini
-exec docker run "${flags[@]}" --init --rm "--user=$user" --network=host -v '/srv/devbox_fullstackdude/jupyter:/home/vagrant/jupyter:rw' -v '/srv/devbox_fullstackdude/src:/home/vagrant/src:rw' -v '/srv/devbox_fullstackdude/sshd:/home/vagrant/.ssh:ro' -v '/srv/devbox_fullstackdude:/srv/devbox_fullstackdude:ro'  "${image_cmd[@]}"
+exec docker run "${flags[@]}" --init --rm "--user=$user" --network=host -v '/srv/devbox_fullstackdude/jupyter:/home/vagrant/jupyter:rw' -v '/srv/devbox_fullstackdude/src:/home/vagrant/src:rw' -v '/srv/devbox_fullstackdude/sshd:/home/vagrant/.ssh:ro' -v '/srv/devbox_fullstackdude:/srv/devbox_fullstackdude:ro' --gpus='all' "${image_cmd[@]}"