Zalando Registry gives seemingly erroneous 404's

[The-Loeki]

Putting a poller on the External DNS from Zalando:

time="2018-03-02T16:00:26Z" level=info msg="registry client: getting digest" registry="https://registry.opensource.zalan.do" repository=teapot/external-dns tag=v0.4.8
time="2018-03-02T16:00:26Z" level=debug msg="registry.manifest.head url=https://registry.opensource.zalan.do/v2/teapot/external-dns/manifests/v0.4.8 repository=teapot/external-dns reference=v0.4.8"
time="2018-03-02T16:00:26Z" level=error msg="trigger.poll.RepositoryWatcher.addJob: failed to get image digest" error="Head https://registry.opensource.zalan.do/v2/teapot/external-dns/manifests/v0.4.8: http: non-successful response (status=404 body=\"\")" image="registry.opensource.zalan.do/teapot/external-dns:v0.4.8"
time="2018-03-02T16:00:26Z" level=error msg="trigger.poll.RepositoryWatcher.Watch: failed to add image watch job" error="Head https://registry.opensource.zalan.do/v2/teapot/external-dns/manifests/v0.4.8: http: non-successful response (status=404 body=\"\")" image_name="registry.opensource.zalan.do/teapot/external-dns:v0.4.8" registry_username=

However:

[theloeki@murphy kubernetes]$  curl -m 5 -Lv -H "Content-Type: application/json" https://registry.opensource.zalan.do/v2/teapot/external-dns/manifests/v0.4.8
*   Trying 52.49.153.166...
* TCP_NODELAY set
* Connected to registry.opensource.zalan.do (52.49.153.166) port 443 (#0)
* ALPN, offering h2
* ALPN, offering http/1.1
* Cipher selection: PROFILE=SYSTEM
* successfully set certificate verify locations:
*   CAfile: /etc/pki/tls/certs/ca-bundle.crt
  CApath: none
* TLSv1.2 (OUT), TLS handshake, Client hello (1):
* TLSv1.2 (IN), TLS handshake, Server hello (2):
* TLSv1.2 (IN), TLS handshake, Certificate (11):
* TLSv1.2 (IN), TLS handshake, Server key exchange (12):
* TLSv1.2 (IN), TLS handshake, Server finished (14):
* TLSv1.2 (OUT), TLS handshake, Client key exchange (16):
* TLSv1.2 (OUT), TLS change cipher, Client hello (1):
* TLSv1.2 (OUT), TLS handshake, Finished (20):
* TLSv1.2 (IN), TLS handshake, Finished (20):
* SSL connection using TLSv1.2 / ECDHE-RSA-AES128-GCM-SHA256
* ALPN, server did not agree to a protocol
* Server certificate:
*  subject: C=DE; postalCode=10243; ST=Berlin; L=Berlin; street=Tamara-Danz-Strasse 1; O=Zalando SE; OU=Technology; OU=Hosted by Zalando SE; OU=Multi-Domain SSL
*  start date: Jun  6 00:00:00 2016 GMT
*  expire date: Sep  8 23:59:59 2018 GMT
*  subjectAltName: host "registry.opensource.zalan.do" matched cert's "registry.opensource.zalan.do"
*  issuer: C=GB; ST=Greater Manchester; L=Salford; O=COMODO CA Limited; CN=COMODO RSA Organization Validation Secure Server CA
*  SSL certificate verify ok.
> GET /v2/teapot/external-dns/manifests/v0.4.8 HTTP/1.1
> Host: registry.opensource.zalan.do
> User-Agent: curl/7.55.1
> Accept: */*
> Content-Type: application/json
> 
< HTTP/1.1 200 OK
< Access-Control-Allow-Headers: 
< Access-Control-Allow-Methods: GET, POST, DELETE, PUT, PATCH, OPTIONS
< Access-Control-Allow-Origin: *
< Access-Control-Max-Age: 3600
< Content-Type: application/vnd.docker.distribution.manifest.v2+json; charset=ISO-8859-1
< Date: Fri, 02 Mar 2018 16:08:49 GMT
< Docker-Content-Digest: sha256:7aa5175f39a7e8a4172972524302c9a8196f681e40d6ee5d2f6bf0ab7d600fee
< Server: Jetty(9.2.z-SNAPSHOT)
< Strict-Transport-Security: max-age=10886400
< Content-Length: 1783
< Connection: keep-alive
< 

{
   "schemaVersion": 2,
   "mediaType": "application/vnd.docker.distribution.manifest.v2+json",
   "config": {
      "mediaType": "application/vnd.docker.container.image.v1+json",
      "size": 4699,
      "digest": "sha256:d3e06df3437ee661a6923335e7c11fbf8581b0cb474592de21151cc9433d782b"
   },
   "layers": [
      {
         "mediaType": "application/vnd.docker.image.rootfs.diff.tar.gzip",
         "size": 1905219,
         "digest": "sha256:d5d0715331fc4067b61ca623a2afc1cdb28320dddcf934bb7e68d5353f424ff7"
      },
      {
         "mediaType": "application/vnd.docker.image.rootfs.diff.tar.gzip",
         "size": 352757,
         "digest": "sha256:a11c6302aab6ac2e23c856f5d4f557035d40eaae025ca2b7a49e69a3b167164e"
      },
      {
         "mediaType": "application/vnd.docker.image.rootfs.diff.tar.gzip",
         "size": 4274,
         "digest": "sha256:9637a3af7b6a18b83d761bf94b55ae4b56237acb4b2439c2441eb372baa9152c"
      },
      {
         "mediaType": "application/vnd.docker.image.rootfs.diff.tar.gzip",
         "size": 4349,
         "digest": "sha256:6d5225acfc23e18b6f622923b907b1e85c232a152388ef0a45c333b0506247bb"
      },
      {
         "mediaType": "application/vnd.docker.image.rootfs.diff.tar.gzip",
         "size": 9790,
         "digest": "sha256:1d5f6d9cdecebbd551e24c467fcc83def6611ddf20564759405392c00b275a93"
      },
      {
         "mediaType": "application/vnd.docker.image.rootfs.diff.tar.gzip",
         "size": 181602,
         "digest": "sha256:08a3bfc4a41b164579ae7b9d24941f25cbb07f7a0f93a3dc0ffa46d70c70a04e"
      },
      {
         "mediaType": "application/vnd.docker.image.rootfs.diff.tar.gzip",
         "size": 8666899,
         "digest": "sha256:0a1073fc4ca67cbc59d36f93d477b17c2070747717074eb7c766e662e2e64591"
      }
   ]

[rusenask]

fixed and released, available from 0.7.x.