Daniel Barlow
7e2b0068e6
There is nothing in this commit except for the changes made by nix-shell -p nixfmt-rfc-style --run "nixfmt ." If this has mucked up your open branches then sorry about that. You can probably nixfmt them to match before merging
51 lines
1.1 KiB
Nix
51 lines
1.1 KiB
Nix
{
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liminix,
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lib,
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lim,
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s6,
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}:
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{
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service,
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interval,
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threshold,
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healthCheck,
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}:
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let
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inherit (liminix.services) oneshot longrun;
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inherit (builtins) toString;
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inherit (service) name;
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checker =
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let
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name' = "check-${name}";
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in
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longrun {
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name = name';
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run = ''
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fails=0
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echo waiting for /run/service/${name}
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${s6}/bin/s6-svwait -U /run/service/${name} || exit
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while sleep ${toString interval} ; do
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${healthCheck}
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if test $? -gt 0; then
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fails=$(expr $fails + 1)
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else
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fails=0
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fi
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echo fails $fails/${toString threshold} for ${name}
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if test "$fails" -gt "${toString threshold}" ; then
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echo time to die
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${s6}/bin/s6-svc -r /run/service/${name}
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echo bounced
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fails=0
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echo waiting for /run/service/${name}
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${s6}/bin/s6-svwait -U /run/service/${name}
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fi
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done
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'';
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};
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in
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service.overrideAttrs (o: {
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buildInputs = (lim.orEmpty o.buildInputs) ++ [ checker ];
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dependencies = (lim.orEmpty o.dependencies) ++ [ checker ];
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})
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