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|
package api
import (
"fmt"
"runtime"
"github.com/aptly-dev/aptly/aptly"
"github.com/aptly-dev/aptly/deb"
"github.com/gin-gonic/gin"
"github.com/prometheus/client_golang/prometheus"
"github.com/prometheus/client_golang/prometheus/promauto"
"github.com/rs/zerolog/log"
)
var (
apiRequestsInFlightGauge = promauto.NewGaugeVec(
prometheus.GaugeOpts{
Name: "aptly_api_http_requests_in_flight",
Help: "Number of concurrent HTTP api requests currently handled.",
},
[]string{"method", "path"},
)
apiRequestsTotalCounter = promauto.NewCounterVec(
prometheus.CounterOpts{
Name: "aptly_api_http_requests_total",
Help: "Total number of api requests.",
},
[]string{"code", "method", "path"},
)
apiRequestSizeSummary = promauto.NewSummaryVec(
prometheus.SummaryOpts{
Name: "aptly_api_http_request_size_bytes",
Help: "Api HTTP request size in bytes.",
},
[]string{"code", "method", "path"},
)
apiResponseSizeSummary = promauto.NewSummaryVec(
prometheus.SummaryOpts{
Name: "aptly_api_http_response_size_bytes",
Help: "Api HTTP response size in bytes.",
},
[]string{"code", "method", "path"},
)
apiRequestsDurationSummary = promauto.NewSummaryVec(
prometheus.SummaryOpts{
Name: "aptly_api_http_request_duration_seconds",
Help: "Duration of api requests in seconds.",
},
[]string{"code", "method", "path"},
)
apiVersionGauge = promauto.NewGaugeVec(
prometheus.GaugeOpts{
Name: "aptly_build_info",
Help: "Metric with a constant '1' value labeled by version and goversion from which aptly was built.",
},
[]string{"version", "goversion"},
)
apiFilesUploadedCounter = promauto.NewCounterVec(
prometheus.CounterOpts{
Name: "aptly_api_files_uploaded_total",
Help: "Total number of uploaded files labeled by upload directory.",
},
[]string{"directory"},
)
apiReposPackageCountGauge = promauto.NewGaugeVec(
prometheus.GaugeOpts{
Name: "aptly_repos_package_count",
Help: "Current number of published packages labeled by source, distribution and component.",
},
[]string{"source", "distribution", "component"},
)
)
type metricsCollectorRegistrar struct {
hasRegistered bool
}
func (r *metricsCollectorRegistrar) Register(router *gin.Engine) {
if !r.hasRegistered {
apiVersionGauge.WithLabelValues(aptly.Version, runtime.Version()).Set(1)
router.Use(instrumentHandlerInFlight(apiRequestsInFlightGauge, getBasePath))
router.Use(instrumentHandlerCounter(apiRequestsTotalCounter, getBasePath))
router.Use(instrumentHandlerRequestSize(apiRequestSizeSummary, getBasePath))
router.Use(instrumentHandlerResponseSize(apiResponseSizeSummary, getBasePath))
router.Use(instrumentHandlerDuration(apiRequestsDurationSummary, getBasePath))
r.hasRegistered = true
}
}
var MetricsCollectorRegistrar = metricsCollectorRegistrar{hasRegistered: false}
func countPackagesByRepos() {
err := context.NewCollectionFactory().PublishedRepoCollection().ForEach(func(repo *deb.PublishedRepo) error {
err := context.NewCollectionFactory().PublishedRepoCollection().LoadComplete(repo, context.NewCollectionFactory())
if err != nil {
msg := fmt.Sprintf(
"Error %s found while determining package count for metrics endpoint (prefix:%s / distribution:%s / component:%s\n).",
err, repo.StoragePrefix(), repo.Distribution, repo.Components())
log.Warn().Msg(msg)
return err
}
components := repo.Components()
for _, c := range components {
count := float64(len(repo.RefList(c).Refs))
apiReposPackageCountGauge.WithLabelValues(fmt.Sprintf("%s", (repo.SourceNames())), repo.Distribution, c).Set(count)
}
return nil
})
if err != nil {
msg := fmt.Sprintf("Error %s found while listing published repos for metrics endpoint", err)
log.Warn().Msg(msg)
}
}
|
