79 lines
1.9 KiB
Nix
79 lines
1.9 KiB
Nix
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{ nixosTest, tempo, writeText }:
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nixosTest {
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name = "tempo";
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nodes.machine = let
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dataDir = "/var/lib/tempo";
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tempoConfig = {
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search_enabled = true;
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metrics_generator_enabled = true;
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server = {
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http_listen_address = "127.0.0.1";
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http_listen_port = 8888;
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};
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ingester = {
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trace_idle_period = "30s";
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max_block_bytes = 1000000;
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max_block_duration = "5m";
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};
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compactor = {
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compaction = {
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compaction_window = "1h";
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max_block_bytes = 100000000;
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compacted_block_retention = "10m";
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};
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};
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storage.trace = {
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backend = "local";
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block = {
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bloom_filter_false_positive = 0.05;
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index_downsample_bytes = 1000;
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encoding = "zstd";
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};
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wal.path = "${dataDir}/wal";
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wal.encoding = "snappy";
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local.path = "${dataDir}/blocks";
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pool = {
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max_workers = 16;
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queue_depth = 1000;
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};
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};
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metrics_generator = {
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registry.external_labels = {
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source = "tempo";
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};
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storage = {
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path = "${dataDir}/generator/wal";
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};
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};
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overrides.metrics_generator_processors = [
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"service-graphs"
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"span-metrics"
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];
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};
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in {
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users.users.tempo = {
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isSystemUser = true;
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group = "tempo";
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home = dataDir;
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createHome = true;
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};
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users.groups.tempo = {};
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systemd.services.tempo = {
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wantedBy = [ "multi-user.target" ];
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serviceConfig = {
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User = "tempo";
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Group = "tempo";
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ExecStart = "${tempo}/bin/tempo -config.file=${writeText "tempo.yaml" (builtins.toJSON tempoConfig)}";
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PrivateTmp = true;
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};
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};
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};
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testScript = ''
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machine.wait_for_unit("tempo.service")
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machine.wait_for_open_port("8888")
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machine.succeed("curl --fail http://127.0.0.1:8888/status/version")
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'';
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}
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