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Fix coturn that was failing with newer Nomad/Docker

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Coturn was failing to start with the following error:

failed to create task for container: failed to create shim task: OCI
runtime create failed: runc create failed: unable to start container
process: exec: "/usr/local/bin/docker-entrypoint.sh": permission denied:
unknown

It seems to be caused by the recent NixOS update.

Either because Docker/runc is now more strict when checking if the
entrypoint is executable [1]

And/or because Nomad may mount the secrets directory with "noexec" [2].

In any case, the "local" directory [2] looks more appropriate, because
it's shared with the task while not being accessible to other tasks.

[1] https://github.com/opencontainers/runc/issues/3715
[2] https://developer.hashicorp.com/nomad/docs/concepts/filesystem
This commit is contained in:
Baptiste Jonglez 2024-04-28 18:01:49 +02:00
parent c56ce9134c
commit 7db40a8dcf
1 changed files with 2 additions and 4 deletions
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6
cluster/prod/app/coturn/deploy/coturn.hcl
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@ -34,15 +34,13 @@ job "coturn" {
ports = [ "prometheus", "turn_ctrl", "turn_data0", "turn_data1", "turn_data2", ports = [ "prometheus", "turn_ctrl", "turn_data0", "turn_data1", "turn_data2",
"turn_data3", "turn_data4", "turn_data5", "turn_data6", "turn_data7", "turn_data3", "turn_data4", "turn_data5", "turn_data6", "turn_data7",
"turn_data8", "turn_data9" ] "turn_data8", "turn_data9" ]
entrypoint = ["/local/docker-entrypoint.sh"]
network_mode = "host" network_mode = "host"
volumes = [
"secrets/docker-entrypoint.sh:/usr/local/bin/docker-entrypoint.sh",
]
} }
template { template {
data = file("../config/docker-entrypoint.sh") data = file("../config/docker-entrypoint.sh")
destination = "secrets/docker-entrypoint.sh" destination = "local/docker-entrypoint.sh"
perms = 555 perms = 555
} }