Here is the snippet of debug logs I dont get to see anything missing out there . It does a GET call to the docker registry on behalf of the requesting client The registry listens on 443 so squid mimicks client TLS connections post which does a GET call to the docker registry on the requested blobs
Logs ===== --------- GET /v2/idp/mtd-log-viewer/blobs/sha256:7f24efe711014be87fc45d3ccdc15bb419f45f26ab1f7dd4652b83890ba16294 HTTP/1.1 Host: dockerregistry.com User-Agent: docker/1.12.1 go/go1.6.3 git-commit/23cf638 kernel/3.16.0-71-generic os/linux arch/amd64 UpstreamClient(Docker-Client/1.12.1 \(linux\)) Authorization: Bearer AKCp2V5yYCcLhiuTrm6gvr2h6At9FfzhpxEB61CncxQsQxoRNT4tmcSLbWjecmnSFT4gtvF1q Accept-Encoding: gzip Connection: close ---------- 2016/09/30 07:05:26.100| 11,2| http.cc(2201) sendRequest: HTTP Server local= 10.88.92.129:56249 remote=xx.xx.xx.xx:443 FD 16 flags=1 2016/09/30 07:05:26.100| 11,2| http.cc(2202) sendRequest: HTTP Server REQUEST: --------- GET /v2/idp/mtd-log-viewer/blobs/sha256:7f24efe711014be87fc45d3ccdc15bb419f45f26ab1f7dd4652b83890ba16294 HTTP/1.1 User-Agent: docker/1.12.1 go/go1.6.3 git-commit/23cf638 kernel/3.16.0-71-generic os/linux arch/amd64 UpstreamClient(Docker-Client/1.12.1 \(linux\)) Host: dockerregistry.com Via: 1.1 proxyserver (squid/3.5.20-20160817-r14075) Surrogate-Capability: proxyserver="Surrogate/1.0" X-Forwarded-For: 10.88.84.102 Cache-Control: max-age=600 Connection: keep-alive ---------- 2016/09/30 07:05:27.046| ctx: enter level 0: ' https://dockerregistry.com/v2/blobs/sha256:3071a8ec2f6e96d06697a8069a385f889fa318ef479a0c2557baddb0e06a9b2c ' 2016/09/30 07:05:27.046| 11,2| http.cc(717) processReplyHeader: HTTP Server local=10.88.92.129:56250 remote=xx.xx.xx.xx:443 FD 21 flags=1 2016/09/30 07:05:27.046| 11,2| http.cc(718) processReplyHeader: HTTP Server REPLY: --------- HTTP/1.1 200 OK Server: nginx Date: Fri, 30 Sep 2016 07:06:12 GMT Content-Type: application/octet-stream Content-Length: 1256 Connection: keep-alive X-Artifactory-Id: fb4bb806eccd564b:-7d2d7c9a:156cf92100e:-8000 Last-Modified: Tue, 13 Sep 2016 06:03:06 GMT ETag: ca5755fd72e65e6cc42e608eb7524d4956c9a358 X-Checksum-Sha1: ca5755fd72e65e6cc42e608eb7524d4956c9a358 Accept-Ranges: bytes X-Checksum-Md5: a15d3dcf76f3334177fa44e6ad0af578 X-Artifactory-Filename: sha256__3071a8ec2f6e96d06697a8069a385f889fa318ef479a0c2557baddb0e06a9b2c Docker-Distribution-Api-Version: registry/2.0 Docker-Content-Digest: sha256:3071a8ec2f6e96d06697a8069a385f889fa318ef479a0c2557baddb0e06a9b2c � ---------- 2016/09/30 07:05:27.046| ctx: exit level 0 2016/09/30 07:05:27.046| 11,2| client_side.cc(1392) sendStartOfMessage: HTTP Client local=10.88.92.129:443 remote=10.88.84.102:41429 FD 18 flags=1 2016/09/30 07:05:27.046| 11,2| client_side.cc(1393) sendStartOfMessage: HTTP Client REPLY: --------- HTTP/1.1 200 OK Server: nginx Date: Fri, 30 Sep 2016 07:06:12 GMT Content-Type: application/octet-stream Content-Length: 1256 X-Artifactory-Id: fb4bb806eccd564b:-7d2d7c9a:156cf92100e:-8000 Last-Modified: Tue, 13 Sep 2016 06:03:06 GMT ETag: ca5755fd72e65e6cc42e608eb7524d4956c9a358 X-Checksum-Sha1: ca5755fd72e65e6cc42e608eb7524d4956c9a358 Accept-Ranges: bytes X-Checksum-Md5: a15d3dcf76f3334177fa44e6ad0af578 X-Artifactory-Filename: sha256__3071a8ec2f6e96d06697a8069a385f889fa318ef479a0c2557baddb0e06a9b2c Docker-Distribution-Api-Version: registry/2.0 Docker-Content-Digest: sha256:3071a8ec2f6e96d06697a8069a385f889fa318ef479a0c2557baddb0e06a9b2c X-Cache: MISS from proxyserver <======================================================================================= MISS X-Cache-Lookup: MISS from proxyserver:443<============================================================================= LOOKUP MISS Via: 1.1 proxyserver (squid/3.5.20-20160817-r14075) Connection: close On Wed, Sep 28, 2016 at 7:54 PM, Amos Jeffries <squ...@treenet.co.nz> wrote: > On 28/09/2016 11:17 p.m., Michael Varun wrote: > > Team - > > > > Would like to know is there any specific config that we need to enable to > > cache MIME attachement of application/octet-stream type > > > > We are trying to caching docker image blobs which is of > > application/octet-stream and everytime we hit the docker registry > via)GET > > call squid throws up TCP_MISS/200 I had never got a CACHE HIT or MEM HIT > > for these contents. Can someone show pointers to how to succeed in cache > > hit > > The object mime type does not matter for caching. What does matter are > the URL and identifier headers, plus headers about the objects age, > Vary, Expires and Cache-Control. > > You can configure "debug_options 11,2" to get a cache.log trace of the > messages going through the proxy. Taking a closer look at those message > headers to find out why caching is not happening. > > You could also use the tool at redbot.org. It takes a public URL and > displays the cacheability situation for it. > > Amos > > _______________________________________________ > squid-users mailing list > squid-users@lists.squid-cache.org > http://lists.squid-cache.org/listinfo/squid-users > -- _____________________________________________________________ The information contained in this communication is intended solely for the use of the individual or entity to whom it is addressed and others authorized to receive it. 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