datadog-agent: panic: must be called from a bundle

[teto]

Describe the bug

I tried to update a server with nixos-unstable and now the datadog agent and now journalctl -b0 -u datadog-agent.service -e spouts

Mar 27 10:55:36 azure1 datadog-agent-start[814097]: panic: must be called from a bundle (comp/<bundle>/bundle.go)
Mar 27 10:55:36 azure1 datadog-agent-start[814097]: goroutine 1 [running]:
Mar 27 10:55:36 azure1 datadog-agent-start[814097]: github.com/DataDog/datadog-agent/pkg/util/fxutil.getBundleName()
Mar 27 10:55:36 azure1 datadog-agent-start[814097]:         github.com/DataDog/datadog-agent/pkg/util/fxutil@v0.50.3/createcomponent.go:89 +0xd6
Mar 27 10:55:36 azure1 datadog-agent-start[814097]: github.com/DataDog/datadog-agent/pkg/util/fxutil.Bundle(...)
Mar 27 10:55:36 azure1 datadog-agent-start[814097]:         github.com/DataDog/datadog-agent/pkg/util/fxutil@v0.50.3/createcomponent.go:66
Mar 27 10:55:36 azure1 datadog-agent-start[814097]: github.com/DataDog/datadog-agent/comp/metadata.init()
Mar 27 10:55:36 azure1 datadog-agent-start[814097]:         <autogenerated>:1 +0x226
Mar 27 10:55:36 azure1 systemd[1]: datadog-agent.service: Main process exited, code=exited, status=2/INVALIDARGUMENT

This concerns the
ExecStart=/nix/store/802bsc7gslqhl2by467fkscnx5dlbbip-unit-script-datadog-agent-start/bin/datadog-agent-start
of the unit, which is quite short

set -e
export DD_API_KEY=$(head -n 1 /run/secrets/datadog)
exec /nix/store/3a8qwg6d3d3030ak35pxg9ildikfm2qz-datadog-agent-7.50.3/bin/agent run -c /etc/datadog-agent/datadog.yaml

Notify maintainers

Metadata

Please run nix-shell -p nix-info --run "nix-info -m" and paste the result.

current unstable

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[teto]

cc @thoughtpolice @domenkozar

[teto]

tried to bump the package to 7.53.0 but got

go: downloading github.com/remyoudompheng/bigfft v0.0.0-20230129092748-24d4a6f8daec
go: downloading modernc.org/token v1.1.0
go: downloading lukechampine.com/uint128 v1.2.0
go: downloading modernc.org/strutil v1.1.3
buildPhase completed in 45 seconds
Running phase: installPhase
error: illegal path references in fixed-output derivation '/nix/store/2n4s53jfgxr0d1nk404cmy8aggk4mnc0-datadog-agent-7.53.0-go-modules.drv'
note: keeping build directory '/tmp/nix-build-datadog-agent-7.53.0-go-modules.drv-1'
error: 1 dependencies of derivation '/nix/store/pv5ra379zr7sqi1jrm5ypvncsv9c78xc-datadog-agent-7.53.0.drv' failed to build

[ryanrasti]

I ran into this issue too. It's almost certainly this issue coupled with the fact that the default go builder is the unsupported version.

I was able to workaround by downgrading versions via:

pkgs.datadog-agent.override { buildGoModule = pkgs.buildGo121Module; }

[teto]

it worked beautifully ty !