112 lines
3.3 KiB
Nix
112 lines
3.3 KiB
Nix
{ lib, fetchFromGitHub, buildGoModule, go, removeReferencesTo, buildEnv }:
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let
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package = buildGoModule rec {
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pname = "nomad-autoscaler";
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version = "0.3.3";
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outputs = [
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"out"
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"bin"
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"aws_asg"
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"azure_vmss"
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"datadog"
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"fixed_value"
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"gce_mig"
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"nomad_apm"
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"nomad_target"
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"pass_through"
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"prometheus"
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"target_value"
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"threshold"
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];
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src = fetchFromGitHub {
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owner = "hashicorp";
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repo = "nomad-autoscaler";
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rev = "v${version}";
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sha256 = "sha256-bN/U6aCf33B88ouQwTGG8CqARzWmIvXNr5JPr3l8cVI=";
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};
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vendorSha256 = "sha256-Ls8gkfLyxfQD8krvxjAPnZhf1r1s2MhtQfMMfp8hJII=";
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subPackages = [ "." ];
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nativeBuildInputs = [ removeReferencesTo ];
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# buildGoModule overrides normal buildPhase, can't use makeTargets
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postBuild = ''
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make build plugins
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'';
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# tries to pull tests from network, and fails silently anyway
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doCheck = false;
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postInstall = ''
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mkdir -p $bin/bin
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mv $out/bin/nomad-autoscaler $bin/bin/nomad-autoscaler
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ln -s $bin/bin/nomad-autoscaler $out/bin/nomad-autoscaler
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for d in $outputs; do
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mkdir -p ''${!d}/share
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done
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rmdir $bin/share
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# have out contain all of the plugins
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for plugin in bin/plugins/*; do
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remove-references-to -t ${go} "$plugin"
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cp "$plugin" $out/share/
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done
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# populate the outputs as individual plugins
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# can't think of a more generic way to handle this
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# bash doesn't allow for dashes '-' to be in a variable name
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# this means that the output names will need to differ slightly from the binary
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mv bin/plugins/aws-asg $aws_asg/share/
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mv bin/plugins/azure-vmss $azure_vmss/share/
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mv bin/plugins/datadog $datadog/share/
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mv bin/plugins/fixed-value $fixed_value/share/
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mv bin/plugins/gce-mig $gce_mig/share/
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mv bin/plugins/nomad-apm $nomad_apm/share/
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mv bin/plugins/nomad-target $nomad_target/share/
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mv bin/plugins/pass-through $pass_through/share/
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mv bin/plugins/prometheus $prometheus/share/
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mv bin/plugins/target-value $target_value/share/
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mv bin/plugins/threshold $threshold/share/
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'';
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# make toggle-able, so that overrided versions can disable this check if
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# they want newer versions of the plugins without having to modify
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# the output logic
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doInstallCheck = true;
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installCheckPhase = ''
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rmdir bin/plugins || {
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echo "Not all plugins were extracted"
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echo "Please move the following to their related output: $(ls bin/plugins)"
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exit 1
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}
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'';
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passthru = {
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inherit plugins withPlugins;
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};
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meta = with lib; {
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description = "Autoscaling daemon for Nomad";
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homepage = "https://github.com/hashicorp/nomad-autoscaler";
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license = licenses.mpl20;
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maintainers = with maintainers; [ jonringer ];
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};
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};
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plugins = let
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plugins = builtins.filter (n: !(lib.elem n [ "out" "bin" ])) package.outputs;
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in lib.genAttrs plugins (output: package.${output});
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# Intended to be used as: (nomad-autoscaler.withPlugins (ps: [ ps.aws_asg ps.nomad_target ])
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withPlugins = f: buildEnv {
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name = "nomad-autoscaler-env";
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paths = [ package.bin ] ++ f plugins;
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};
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in
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package
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