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cleanup: move init funcs to the top of the source

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We make sure they're not hiding at the bottom or in the middle
which makes debugging an utter nightmare!

Signed-off-by: Milos Gajdos <milosthegajdos@gmail.com>
This commit is contained in:
Milos Gajdos
2023-11-28 06:50:48 +00:00
parent d9abc517e8
commit d8ff41a344
14 changed files with 203 additions and 201 deletions
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56
registry/proxy/proxymetrics.go
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@@ -36,6 +36,34 @@ type proxyMetricsCollector struct {
manifestMetrics Metrics
}
// proxyMetrics tracks metrics about the proxy cache. This is
// kept globally and made available via expvar.
var proxyMetrics = &proxyMetricsCollector{}
func init() {
registry := expvar.Get("registry")
if registry == nil {
registry = expvar.NewMap("registry")
}
pm := registry.(*expvar.Map).Get("proxy")
if pm == nil {
pm = &expvar.Map{}
pm.(*expvar.Map).Init()
registry.(*expvar.Map).Set("proxy", pm)
}
pm.(*expvar.Map).Set("blobs", expvar.Func(func() interface{} {
return proxyMetrics.blobMetrics
}))
pm.(*expvar.Map).Set("manifests", expvar.Func(func() interface{} {
return proxyMetrics.manifestMetrics
}))
metrics.Register(prometheus.ProxyNamespace)
}
// BlobPull tracks metrics about blobs pulled into the cache
func (pmc *proxyMetricsCollector) BlobPull(bytesPulled uint64) {
atomic.AddUint64(&pmc.blobMetrics.Misses, 1)
@@ -83,31 +111,3 @@ func (pmc *proxyMetricsCollector) ManifestPush(bytesPushed uint64, isHit bool) {
hits.WithValues("manifest").Inc(1)
}
}
// proxyMetrics tracks metrics about the proxy cache. This is
// kept globally and made available via expvar.
var proxyMetrics = &proxyMetricsCollector{}
func init() {
registry := expvar.Get("registry")
if registry == nil {
registry = expvar.NewMap("registry")
}
pm := registry.(*expvar.Map).Get("proxy")
if pm == nil {
pm = &expvar.Map{}
pm.(*expvar.Map).Init()
registry.(*expvar.Map).Set("proxy", pm)
}
pm.(*expvar.Map).Set("blobs", expvar.Func(func() interface{} {
return proxyMetrics.blobMetrics
}))
pm.(*expvar.Map).Set("manifests", expvar.Func(func() interface{} {
return proxyMetrics.manifestMetrics
}))
metrics.Register(prometheus.ProxyNamespace)
}