tjh.dev
1{
2 lib,
3 stdenv,
4 cmake,
5 buildGoModule,
6 makeWrapper,
7 fetchFromGitHub,
8 pythonPackages,
9 pkg-config,
10 systemd,
11 hostname,
12 withSystemd ? lib.meta.availableOn stdenv.hostPlatform systemd,
13 withDocker ? true,
14 extraTags ? [ ],
15 testers,
16 datadog-agent,
17}:
18
19let
20 # keep this in sync with github.com/DataDog/agent-payload dependency
21 payloadVersion = "5.0.124";
22 python = pythonPackages.python;
23 owner = "DataDog";
24 repo = "datadog-agent";
25 goPackagePath = "github.com/${owner}/${repo}";
26 version = "7.56.2";
27
28 src = fetchFromGitHub {
29 inherit owner repo;
30 rev = version;
31 hash = "sha256-rU3eg92MuGs/6r7oJho2roeUCZoyfqYt1xOERoRPqmQ=";
32 };
33 rtloader = stdenv.mkDerivation {
34 pname = "datadog-agent-rtloader";
35 src = "${src}/rtloader";
36 inherit version;
37 nativeBuildInputs = [ cmake ];
38 buildInputs = [ python ];
39 cmakeFlags = [
40 "-DBUILD_DEMO=OFF"
41 "-DDISABLE_PYTHON2=ON"
42 ];
43 };
44
45in
46buildGoModule rec {
47 pname = "datadog-agent";
48 inherit src version;
49
50 doCheck = false;
51
52 vendorHash =
53 if stdenv.hostPlatform.isDarwin then
54 "sha256-3Piq5DPMTZUEjqNkw5HZY25An2kATX6Jac9unQfZnZc="
55 else
56 "sha256-FR0Et3DvjJhbYUPy9mpN0QCJ7QDU4VRZFUTL0J1FSXw=";
57
58 subPackages = [
59 "cmd/agent"
60 "cmd/cluster-agent"
61 "cmd/dogstatsd"
62 "cmd/trace-agent"
63 ];
64
65 nativeBuildInputs = [
66 pkg-config
67 makeWrapper
68 ];
69 buildInputs = [ rtloader ] ++ lib.optionals withSystemd [ systemd ];
70 PKG_CONFIG_PATH = "${python}/lib/pkgconfig";
71
72 tags = [
73 "ec2"
74 "python"
75 "process"
76 "log"
77 "secrets"
78 "zlib"
79 ]
80 ++ lib.optionals withSystemd [ "systemd" ]
81 ++ lib.optionals withDocker [ "docker" ]
82 ++ extraTags;
83
84 ldflags = [
85 "-X ${goPackagePath}/pkg/version.Commit=${src.rev}"
86 "-X ${goPackagePath}/pkg/version.AgentVersion=${version}"
87 "-X ${goPackagePath}/pkg/serializer.AgentPayloadVersion=${payloadVersion}"
88 "-X ${goPackagePath}/pkg/collector/python.pythonHome3=${python}"
89 "-X ${goPackagePath}/pkg/config/setup.DefaultPython=3"
90 "-r ${python}/lib"
91 ];
92
93 # DataDog use paths relative to the agent binary, so fix these.
94 # We can't just point these to $out since that would introduce self-referential paths in the go modules,
95 # which are a fixed-output derivation. However, the patches aren't picked up if we skip them when building
96 # the modules. So we'll just traverse from the bin back to the out folder.
97 postPatch = ''
98 sed -e "s|PyChecksPath =.*|PyChecksPath = filepath.Join(_here, \"..\", \"${python.sitePackages}\")|" \
99 -e "s|distPath =.*|distPath = filepath.Join(_here, \"..\", \"share\", \"datadog-agent\")|" \
100 -i cmd/agent/common/path/path_nix.go
101 sed -e "s|/bin/hostname|${lib.getBin hostname}/bin/hostname|" \
102 -i pkg/util/hostname/fqdn_nix.go
103 '';
104
105 # Install the config files and python modules from the "dist" dir
106 # into standard paths.
107 postInstall = ''
108 mkdir -p $out/${python.sitePackages} $out/share/datadog-agent
109 cp -R --no-preserve=mode $src/cmd/agent/dist/conf.d $out/share/datadog-agent
110 rm -rf $out/share/datadog-agent/conf.d/{apm.yaml.default,process_agent.yaml.default,winproc.d,agentcrashdetect.d,myapp.d}
111 cp -R $src/cmd/agent/dist/{checks,utils,config.py} $out/${python.sitePackages}
112
113 wrapProgram "$out/bin/agent" \
114 --set PYTHONPATH "$out/${python.sitePackages}"''
115 + lib.optionalString withSystemd " --prefix LD_LIBRARY_PATH : ${
116 lib.makeLibraryPath [
117 (lib.getLib systemd)
118 rtloader
119 ]
120 }";
121
122 passthru.tests.version = testers.testVersion {
123 package = datadog-agent;
124 command = "agent version";
125 };
126
127 meta = with lib; {
128 description = ''
129 Event collector for the DataDog analysis service
130 -- v6 new golang implementation.
131 '';
132 homepage = "https://www.datadoghq.com";
133 license = licenses.bsd3;
134 maintainers = with maintainers; [
135 thoughtpolice
136 ];
137 };
138}