tadayosi commented on issue #2473:
URL: https://github.com/apache/camel-k/issues/2473#issuecomment-893161242
With the custom docker registry and using `Spectrum` build push strategy I
could build a kit into the registry. However, the integration pod creation
fails with `ErrImagePull` error.
```
$ k describe po simple-5646fbd95c-7ql5x
...
Events:
Type Reason Age From Message
---- ------ ---- ---- -------
Normal Scheduled 3m2s default-scheduler Successfully
assigned test/simple-5646fbd95c-7ql5x to racine
Normal Pulling 91s (x4 over 3m2s) kubelet Pulling image
"image-registry.test.svc:5000/test/camel-k-kit-c45mm4poholli5rraht0@sha256:e5b426fea3eb53b1f210efd7e0ba924c7e3950fd9a6c5736ec9b73fcc1abcbae"
Warning Failed 91s (x4 over 3m2s) kubelet Failed to pull
image
"image-registry.test.svc:5000/test/camel-k-kit-c45mm4poholli5rraht0@sha256:e5b426fea3eb53b1f210efd7e0ba924c7e3950fd9a6c5736ec9b73fcc1abcbae":
rpc error: code = Unknown desc = error pinging docker registry
image-registry.test.svc:5000: Get "http://image-registry.test.svc:5000/v2/":
dial tcp: lookup image-registry.test.svc on 127.0.0.1:53: no such host
Warning Failed 91s (x4 over 3m2s) kubelet Error:
ErrImagePull
Warning Failed 80s (x6 over 3m2s) kubelet Error:
ImagePullBackOff
Normal BackOff 66s (x7 over 3m2s) kubelet Back-off
pulling image
"image-registry.test.svc:5000/test/camel-k-kit-c45mm4poholli5rraht0@sha256:e5b426fea3eb53b1f210efd7e0ba924c7e3950fd9a6c5736ec9b73fcc1abcbae"
```
The error:
> Failed to pull image
"image-registry.test.svc:5000/test/camel-k-kit-c45mm4poholli5rraht0@sha256:e5b426fea3eb53b1f210efd7e0ba924c7e3950fd9a6c5736ec9b73fcc1abcbae":
rpc error: code = Unknown desc = error pinging docker registry
image-registry.test.svc:5000: Get "http://image-registry.test.svc:5000/v2/":
dial tcp: lookup image-registry.test.svc on 127.0.0.1:53: no such host
It must be related to the cluster's CoreDNS, but I haven't found a way to
fix it. From a pod inside the same cluster the hostname resolves successfully:
```
$ k exec ubi8 -- nslookup image-registry.test.svc
Server: 10.43.0.10
Address: 10.43.0.10#53
Name: image-registry.test.svc.cluster.local
Address: 10.43.25.142
```
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