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print.go
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print.go
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// SPDX-License-Identifier: Apache-2.0
// Copyright Authors of Tetragon
package metrics
import (
"log/slog"
"github.com/isovalent/metricstool/pkg/metricsmd"
"github.com/prometheus/client_golang/prometheus"
"github.com/spf13/cobra"
"github.com/cilium/tetragon/pkg/metrics/metricsconfig"
)
func New() *cobra.Command {
targets := map[string]string{
"health": "Tetragon Health",
"resources": "Tetragon Resources",
"events": "Tetragon Events",
}
overrides := []metricsmd.LabelOverrides{
// Theses metrics takes VCS info into account supplied at build
// time, which changes every build, so override those.
{
Metric: "go_info",
Overrides: []metricsmd.LabelValues{
{
Label: "version",
Values: []string{"go1.22.0"},
},
},
},
{
Metric: "tetragon_build_info",
Overrides: []metricsmd.LabelValues{
{
Label: "commit",
Values: []string{"931b70f2c9878ba985ba6b589827bea17da6ec33"},
},
{
Label: "go_version",
Values: []string{"go1.22.0"},
},
{
Label: "modified",
Values: []string{"false"},
},
{
Label: "time",
Values: []string{"2022-05-13T15:54:45Z"},
},
},
},
}
config := &metricsmd.Config{
Targets: targets,
LabelOverrides: overrides,
InitMetrics: initMetrics,
HeadingLevel: 1,
}
cmd, err := metricsmd.NewCmd(nil, nil, config)
if err != nil {
slog.Error("failed to create metrics-docs command", "error", err)
}
return cmd
}
func initMetrics(target string, reg *prometheus.Registry, _ *slog.Logger) error {
switch target {
case "health":
metricsconfig.InitHealthMetricsForDocs(reg)
case "resources":
metricsconfig.InitResourcesMetricsForDocs(reg)
case "events":
metricsconfig.InitEventsMetricsForDocs(reg)
}
return nil
}