Add hw-exporter

MODULE.bazel

@@ -63,6 +63,8 @@ use_repo(
     "com_github_golang_mock",
     "com_github_google_go_cmp",
     "com_github_googlecloudrobotics_ilog",
+    "com_github_jaypipes_ghw",
+    "com_github_jaypipes_pcidb",
     "com_github_motemen_go_loghttp",
     "com_github_onsi_gomega",
     "com_github_pkg_errors",
@@ -128,4 +130,5 @@ use_repo(
     "distroless_cc",
     "distroless_cc_linux_amd64",
     "iptables_base",
+    "iptables_base_linux_amd64",
 )

src/app_charts/prometheus/BUILD.bazel

@@ -46,7 +46,10 @@ app_chart(
     files = [
         ":prometheus-operator-chart.robot",
     ],
-    images = {"http-relay-client": "//src/go/cmd/http-relay-client:http-relay-client-image"},
+    images = {
+        "http-relay-client": "//src/go/cmd/http-relay-client:http-relay-client-image",
+        "hw-exporter": "//src/go/cmd/hw-exporter:hw-exporter-image",
+    },
 )
 
 app(

src/app_charts/prometheus/robot/hw-exporter.yaml

@@ -0,0 +1,81 @@
+apiVersion: apps/v1
+kind: DaemonSet
+metadata:
+  name: hw-exporter
+spec:
+  selector:
+    matchLabels:
+      app: hw-exporter
+  template:
+    metadata:
+      labels:
+        app: hw-exporter
+    spec:
+      containers:
+        - name: hw-exporter
+          image: {{ .Values.registry }}{{ .Values.images.hw_exporter }}
+          args:
+            - --metrics-port=9100
+            - --chroot=/host
+          volumeMounts:
+          - mountPath: /host/proc
+            name: proc
+            readOnly: true
+          - mountPath: /host/sys
+            name: sys
+            readOnly: true
+          - mountPath: /host/usr/share
+            name: usr-share
+            readOnly: true
+      securityContext:
+        fsGroup: 65534
+        runAsGroup: 65534
+        runAsNonRoot: true
+        runAsUser: 65534
+      tolerations:
+        - operator: Exists
+          effect: NoSchedule
+      volumes:
+      - hostPath:
+          path: /proc
+          type: ""
+        name: proc
+      - hostPath:
+          path: /sys
+          type: ""
+        name: sys
+      # Mount pcidb from host, which could be in /usr/share/misc or /usr/share/hwdata.
+      - hostPath:
+          path: /usr/share
+          type: ""
+        name: usr-share
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: hw-exporter
+  labels:
+    app: hw-exporter
+spec:
+  clusterIP: None
+  ports:
+    - port: 9100
+      name: http-metrics
+  selector:
+    app: hw-exporter
+  type: ClusterIP
+---
+apiVersion: monitoring.coreos.com/v1
+kind: ServiceMonitor
+metadata:
+  name: hw-exporter
+  labels:
+    prometheus: kube-prometheus
+spec:
+  endpoints:
+    - port: http-metrics
+      path: /metrics
+      interval: 60s
+  selector:
+    matchLabels:
+      app: hw-exporter

src/go.mod

@@ -65,6 +65,7 @@ require (
 	github.com/golang/glog v1.2.4
 	github.com/google/go-cmp v0.6.0
 	github.com/googlecloudrobotics/ilog v0.0.0-20240112131211-2efd642f756e
+	github.com/jaypipes/ghw v0.17.0
 	k8s.io/klog/v2 v2.110.1
 )
 
@@ -75,6 +76,7 @@ require (
 	cloud.google.com/go/monitoring v1.16.3 // indirect
 	cloud.google.com/go/trace v1.10.4 // indirect
 	github.com/BurntSushi/toml v1.2.1 // indirect
+	github.com/StackExchange/wmi v1.2.1 // indirect
 	github.com/alessio/shellescape v1.4.1 // indirect
 	github.com/beorn7/perks v1.0.1 // indirect
 	github.com/census-instrumentation/opencensus-proto v0.4.1 // indirect
@@ -88,6 +90,7 @@ require (
 	github.com/go-logfmt/logfmt v0.6.0 // indirect
 	github.com/go-logr/logr v1.3.0 // indirect
 	github.com/go-logr/zapr v1.2.4 // indirect
+	github.com/go-ole/go-ole v1.2.6 // indirect
 	github.com/go-openapi/jsonpointer v0.20.0 // indirect
 	github.com/go-openapi/jsonreference v0.20.2 // indirect
 	github.com/go-openapi/swag v0.22.4 // indirect
@@ -106,13 +109,15 @@ require (
 	github.com/h2non/parth v0.0.0-20190131123155-b4df798d6542 // indirect
 	github.com/imdario/mergo v0.3.16 // indirect
 	github.com/inconshreveable/mousetrap v1.1.0 // indirect
+	github.com/jaypipes/pcidb v1.0.1
 	github.com/jmespath/go-jmespath v0.4.0 // indirect
 	github.com/josharian/intern v1.0.0 // indirect
 	github.com/json-iterator/go v1.1.12 // indirect
 	github.com/liggitt/tabwriter v0.0.0-20181228230101-89fcab3d43de // indirect
 	github.com/mailru/easyjson v0.7.7 // indirect
 	github.com/mattn/go-isatty v0.0.19 // indirect
 	github.com/matttproud/golang_protobuf_extensions/v2 v2.0.0 // indirect
+	github.com/mitchellh/go-homedir v1.1.0 // indirect
 	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
 	github.com/modern-go/reflect2 v1.0.2 // indirect
 	github.com/monochromegane/go-gitignore v0.0.0-20200626010858-205db1a8cc00 // indirect
@@ -140,6 +145,7 @@ require (
 	gopkg.in/inf.v0 v0.9.1 // indirect
 	gopkg.in/yaml.v2 v2.4.0 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
+	howett.net/plist v1.0.0 // indirect
 	k8s.io/component-base v0.28.4 // indirect
 	k8s.io/kube-openapi v0.0.0-20231129212854-f0671cc7e66a // indirect
 	k8s.io/utils v0.0.0-20231127182322-b307cd553661 // indirect

src/go.sum

@@ -60,6 +60,8 @@ github.com/Masterminds/semver v1.5.0 h1:H65muMkzWKEuNDnfl9d70GUjFniHKHRbFPGBuZ3Q
 github.com/Masterminds/semver v1.5.0/go.mod h1:MB6lktGJrhw8PrUyiEoblNEGEQ+RzHPF078ddwwvV3Y=
 github.com/Masterminds/sprig v2.22.0+incompatible h1:z4yfnGrZ7netVz+0EDJ0Wi+5VZCSYp4Z0m2dk6cEM60=
 github.com/Masterminds/sprig v2.22.0+incompatible/go.mod h1:y6hNFY5UBTIWBxnzTeuNhlNS5hqE0NB0E6fgfo2Br3o=
+github.com/StackExchange/wmi v1.2.1 h1:VIkavFPXSjcnS+O8yTq7NI32k0R5Aj+v39y29VYDOSA=
+github.com/StackExchange/wmi v1.2.1/go.mod h1:rcmrprowKIVzvc+NUiLncP2uuArMWLCbu9SBzvHz7e8=
 github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
 github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
 github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
@@ -142,6 +144,9 @@ github.com/go-logr/logr v1.3.0 h1:2y3SDp0ZXuc6/cjLSZ+Q3ir+QB9T/iG5yYRXqsagWSY=
 github.com/go-logr/logr v1.3.0/go.mod h1:9T104GzyrTigFIr8wt5mBrctHMim0Nb2HLGrmQ40KvY=
 github.com/go-logr/zapr v1.2.4 h1:QHVo+6stLbfJmYGkQ7uGHUCu5hnAFAj6mDe6Ea0SeOo=
 github.com/go-logr/zapr v1.2.4/go.mod h1:FyHWQIzQORZ0QVE1BtVHv3cKtNLuXsbNLtpuhNapBOA=
+github.com/go-ole/go-ole v1.2.5/go.mod h1:pprOEPIfldk/42T2oK7lQ4v4JSDwmV0As9GaiUsvbm0=
+github.com/go-ole/go-ole v1.2.6 h1:/Fpf6oFPoeFik9ty7siob0G6Ke8QvQEuVcuChpwXzpY=
+github.com/go-ole/go-ole v1.2.6/go.mod h1:pprOEPIfldk/42T2oK7lQ4v4JSDwmV0As9GaiUsvbm0=
 github.com/go-openapi/jsonpointer v0.19.6/go.mod h1:osyAmYz/mB/C3I+WsTTSgw1ONzaLJoLCyoi6/zppojs=
 github.com/go-openapi/jsonpointer v0.20.0 h1:ESKJdU9ASRfaPNOPRx12IUyA1vn3R9GiE3KYD14BXdQ=
 github.com/go-openapi/jsonpointer v0.20.0/go.mod h1:6PGzBjjIIumbLYysB73Klnms1mwnU4G3YHOECG3CedA=
@@ -264,6 +269,10 @@ github.com/imdario/mergo v0.3.16/go.mod h1:WBLT9ZmE3lPoWsEzCh9LPo3TiwVN+ZKEjmz+h
 github.com/inconshreveable/mousetrap v1.0.0/go.mod h1:PxqpIevigyE2G7u3NXJIT2ANytuPF1OarO4DADm73n8=
 github.com/inconshreveable/mousetrap v1.1.0 h1:wN+x4NVGpMsO7ErUn/mUI3vEoE6Jt13X2s0bqwp9tc8=
 github.com/inconshreveable/mousetrap v1.1.0/go.mod h1:vpF70FUmC8bwa3OWnCshd2FqLfsEA9PFc4w1p2J65bw=
+github.com/jaypipes/ghw v0.17.0 h1:EVLJeNcy5z6GK/Lqby0EhBpynZo+ayl8iJWY0kbEUJA=
+github.com/jaypipes/ghw v0.17.0/go.mod h1:In8SsaDqlb1oTyrbmTC14uy+fbBMvp+xdqX51MidlD8=
+github.com/jaypipes/pcidb v1.0.1 h1:WB2zh27T3nwg8AE8ei81sNRb9yWBii3JGNJtT7K9Oic=
+github.com/jaypipes/pcidb v1.0.1/go.mod h1:6xYUz/yYEyOkIkUt2t2J2folIuZ4Yg6uByCGFXMCeE4=
 github.com/jessevdk/go-flags v1.4.0/go.mod h1:4FA24M0QyGHXBuZZK/XkWh8h0e1EYbRYJSGM75WSRxI=
 github.com/jmespath/go-jmespath v0.4.0 h1:BEgLn5cpjn8UN1mAw4NjwDrS35OdebyEtFe+9YPoQUg=
 github.com/jmespath/go-jmespath v0.4.0/go.mod h1:T8mJZnbsbmF+m6zOOFylbeCJqk5+pHWvzYPziyZiYoo=
@@ -306,6 +315,8 @@ github.com/matttproud/golang_protobuf_extensions/v2 v2.0.0 h1:jWpvCLoY8Z/e3VKvls
 github.com/matttproud/golang_protobuf_extensions/v2 v2.0.0/go.mod h1:QUyp042oQthUoa9bqDv0ER0wrtXnBruoNd7aNjkbP+k=
 github.com/mitchellh/copystructure v1.2.0 h1:vpKXTN4ewci03Vljg/q9QvCGUDttBOGBIa15WveJJGw=
 github.com/mitchellh/copystructure v1.2.0/go.mod h1:qLl+cE2AmVv+CoeAwDPye/v+N2HKCj9FbZEVFJRxO9s=
+github.com/mitchellh/go-homedir v1.1.0 h1:lukF9ziXFxDFPkA1vsr5zpc1XuPDn/wFntq5mG+4E0Y=
+github.com/mitchellh/go-homedir v1.1.0/go.mod h1:SfyaCUpYCn1Vlf4IUYiD9fPX4A5wJrkLzIz1N1q0pr0=
 github.com/mitchellh/reflectwalk v1.0.2 h1:G2LzWKi524PWgd3mLHV8Y5k7s6XUvT0Gef6zxSIeXaQ=
 github.com/mitchellh/reflectwalk v1.0.2/go.mod h1:mSTlrgnPZtwu0c4WaC2kGObEpuNDbx0jmZXqmk4esnw=
 github.com/modern-go/concurrent v0.0.0-20180228061459-e0a39a4cb421/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=
@@ -561,6 +572,7 @@ golang.org/x/sys v0.0.0-20190507160741-ecd444e8653b/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20190606165138-5da285871e9c/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190624142023-c5567b49c5d0/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190726091711-fc99dfbffb4e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20190916202348-b4ddaad3f8a3/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20191001151750-bb3f8db39f24/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20191204072324-ce4227a45e2e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20191228213918-04cbcbbfeed8/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
@@ -784,6 +796,7 @@ gopkg.in/h2non/gock.v1 v1.1.2 h1:jBbHXgGBK/AoPVfJh5x4r/WxIrElvbLel8TCZkkZJoY=
 gopkg.in/h2non/gock.v1 v1.1.2/go.mod h1:n7UGz/ckNChHiK05rDoiC4MYSunEC/lyaUm2WWaDva0=
 gopkg.in/inf.v0 v0.9.1 h1:73M5CoZyi3ZLMOyDlQh031Cx6N9NDJ2Vvfl76EDAgDc=
 gopkg.in/inf.v0 v0.9.1/go.mod h1:cWUDdTG/fYaXco+Dcufb5Vnc6Gp2YChqWtbxRZE0mXw=
+gopkg.in/yaml.v1 v1.0.0-20140924161607-9f9df34309c0/go.mod h1:WDnlLJ4WF5VGsH/HVa3CI79GS0ol3YnhVnKP89i0kNg=
 gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
@@ -802,6 +815,8 @@ honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWh
 honnef.co/go/tools v0.0.1-2019.2.3/go.mod h1:a3bituU0lyd329TUQxRnasdCoJDkEUEAqEt0JzvZhAg=
 honnef.co/go/tools v0.0.1-2020.1.3/go.mod h1:X/FiERA/W4tHapMX5mGpAtMSVEeEUOyHaw9vFzvIQ3k=
 honnef.co/go/tools v0.0.1-2020.1.4/go.mod h1:X/FiERA/W4tHapMX5mGpAtMSVEeEUOyHaw9vFzvIQ3k=
+howett.net/plist v1.0.0 h1:7CrbWYbPPO/PyNy38b2EB/+gYbjCe2DXBxgtOOZbSQM=
+howett.net/plist v1.0.0/go.mod h1:lqaXoTrLY4hg8tnEzNru53gicrbv7rrk+2xJA/7hw9g=
 k8s.io/api v0.28.4 h1:8ZBrLjwosLl/NYgv1P7EQLqoO8MGQApnbgH8tu3BMzY=
 k8s.io/api v0.28.4/go.mod h1:axWTGrY88s/5YE+JSt4uUi6NMM+gur1en2REMR7IRj0=
 k8s.io/apiextensions-apiserver v0.28.4 h1:AZpKY/7wQ8n+ZYDtNHbAJBb+N4AXXJvyZx6ww6yAJvU=

src/go/cmd/hw-exporter/BUILD.bazel

@@ -0,0 +1,52 @@
+load("@io_bazel_rules_go//go:def.bzl", "go_binary", "go_library", "go_test")
+load("@rules_oci//oci:defs.bzl", "oci_image")
+load("@rules_pkg//pkg:tar.bzl", "pkg_tar")
+
+go_library(
+    name = "go_default_library",
+    srcs = ["main.go"],
+    importpath = "github.com/googlecloudrobotics/core/src/go/cmd/hw-exporter",
+    visibility = ["//visibility:private"],
+    deps = [
+        "@com_github_googlecloudrobotics_ilog//:go_default_library",
+        "@com_github_jaypipes_ghw//:go_default_library",
+        "@com_github_jaypipes_ghw//pkg/option:go_default_library",
+        "@com_github_jaypipes_ghw//pkg/util:go_default_library",
+        "@com_github_prometheus_client_golang//prometheus:go_default_library",
+        "@com_github_prometheus_client_golang//prometheus/promhttp:go_default_library",
+    ],
+)
+
+go_binary(
+    name = "hw-exporter",
+    embed = [":go_default_library"],
+    visibility = ["//visibility:public"],
+)
+
+pkg_tar(
+    name = "hw-exporter-image-layer",
+    srcs = [":hw-exporter"],
+    extension = "tar.gz",
+)
+
+oci_image(
+    name = "hw-exporter-image",
+    base = "@distroless_base",
+    entrypoint = ["/hw-exporter"],
+    tars = [":hw-exporter-image-layer"],
+    visibility = ["//visibility:public"],
+)
+
+go_test(
+    name = "go_default_test",
+    srcs = ["main_test.go"],
+    embed = [":go_default_library"],
+    deps = [
+        "@com_github_jaypipes_ghw//:go_default_library",
+        "@com_github_jaypipes_ghw//pkg/option:go_default_library",
+        "@com_github_jaypipes_ghw//pkg/pci:go_default_library",
+        "@com_github_jaypipes_ghw//pkg/util:go_default_library",
+        "@com_github_jaypipes_pcidb//:go_default_library",
+        "@com_github_prometheus_client_golang//prometheus/testutil:go_default_library",
+    ],
+)