Hi
I was wondering if it is supported to use a completely external registry
(Nexus) to pull and push images? Ideally I would like to have multiple clusters
pointing to the same external registry.
I have setup a test cluster "enterprise 3.10.14-1" and specified the following
settings in the ansible inventory
openshift_hosted_manage_registry=false
oreg_url=nexus.example.com:8500/openshift3/ose-${component}:${version}
openshift_examples_modify_imagestreams=true
This seems to work fine for installing the cluster. Next step I tried to create
a new app from nodejs which failed as the image streams tried to pull from an
internal registry which does not exist
NAME DOCKER REPO
TAGS UPDATED
dotnet docker-registry.default.svc:5000/openshift/dotnet
1.0,1.1,2.0 + 2 more... 17 hours ago
dotnet-runtime docker-registry.default.svc:5000/openshift/dotnet-runtime
2.0,2.1,latest 17 hours ago
httpd docker-registry.default.svc:5000/openshift/httpd
latest,2.4 17 hours ago
The master-config.yaml points to the internal registry
imagePolicyConfig:
internalRegistryHostname: docker-registry.default.svc:5000
I tried to change that to nexus.example.com:8500 but am getting an error when
trying to pull an image
# oc logs api-4-build
pulling image error : unknown blob
error: build error: unable to get
nexus.example.com:8500/openshift/nodejs@sha256:7b26a9d8ace47e939a9fcdca61620dbe47d1b936e68983e252cca50991704c7c
Manually pulling from that registry on the node works though
# crictl pull
nexus.example.com:8500/openshift/nodejs@sha256:7b26a9d8ace47e939a9fcdca61620dbe47d1b936e68983e252cca50991704c7c
W0808 08:53:09.780779 31667 util_unix.go:75] Using "/var/run/crio/crio.sock"
as endpoint is deprecated, please consider using full url format
"unix:///var/run/crio/crio.sock".
Image is update to date for
nexus.example.com:8500/openshift/nodejs@sha256:7b26a9d8ace47e939a9fcdca61620dbe47d1b936e68983e252cca50991704c7c
Any help would be greatly appreciated.
Best
Chris
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