update to use containerd seccomp package

Signed-off-by: Jess Frazelle <acidburn@microsoft.com>

vendor/github.com/docker/distribution/registry/proxy/proxymetrics.go

@@ -1,74 +0,0 @@
-package proxy
-
-import (
-	"expvar"
-	"sync/atomic"
-)
-
-// Metrics is used to hold metric counters
-// related to the proxy
-type Metrics struct {
-	Requests    uint64
-	Hits        uint64
-	Misses      uint64
-	BytesPulled uint64
-	BytesPushed uint64
-}
-
-type proxyMetricsCollector struct {
-	blobMetrics     Metrics
-	manifestMetrics Metrics
-}
-
-// BlobPull tracks metrics about blobs pulled into the cache
-func (pmc *proxyMetricsCollector) BlobPull(bytesPulled uint64) {
-	atomic.AddUint64(&pmc.blobMetrics.Misses, 1)
-	atomic.AddUint64(&pmc.blobMetrics.BytesPulled, bytesPulled)
-}
-
-// BlobPush tracks metrics about blobs pushed to clients
-func (pmc *proxyMetricsCollector) BlobPush(bytesPushed uint64) {
-	atomic.AddUint64(&pmc.blobMetrics.Requests, 1)
-	atomic.AddUint64(&pmc.blobMetrics.Hits, 1)
-	atomic.AddUint64(&pmc.blobMetrics.BytesPushed, bytesPushed)
-}
-
-// ManifestPull tracks metrics related to Manifests pulled into the cache
-func (pmc *proxyMetricsCollector) ManifestPull(bytesPulled uint64) {
-	atomic.AddUint64(&pmc.manifestMetrics.Misses, 1)
-	atomic.AddUint64(&pmc.manifestMetrics.BytesPulled, bytesPulled)
-}
-
-// ManifestPush tracks metrics about manifests pushed to clients
-func (pmc *proxyMetricsCollector) ManifestPush(bytesPushed uint64) {
-	atomic.AddUint64(&pmc.manifestMetrics.Requests, 1)
-	atomic.AddUint64(&pmc.manifestMetrics.Hits, 1)
-	atomic.AddUint64(&pmc.manifestMetrics.BytesPushed, bytesPushed)
-}
-
-// 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
-	}))
-
-}