Air Gap Mirroring

gistfile1.txt

###
# Create mirror repo following disconnected instructions
###

# create dir
mkdir -p ~/registry1/{auth,certs,data}

# create cert
openssl req -newkey rsa:4096 -nodes -sha256 -keyout ~/registry1/certs/domain.key -x509 -days 365 -out ~/registry1/certs/domain.crt

# create auth
htpasswd -bBc ~/registry1/auth/htpasswd user pass
Adding password for user user

# run mirror repo
podman run --name mirror-registry -p 5000:5000 \
     -v ~/registry1/data:/var/lib/registry:z \
     -v ~/registry1/auth:/auth:z \
     -e "REGISTRY_AUTH=htpasswd" \
     -e "REGISTRY_AUTH_HTPASSWD_REALM=Registry Realm" \
     -e REGISTRY_AUTH_HTPASSWD_PATH=/auth/htpasswd \
     -v ~/registry1/certs:/certs:z \
     -e REGISTRY_HTTP_TLS_CERTIFICATE=/certs/domain.crt \
     -e REGISTRY_HTTP_TLS_KEY=/certs/domain.key \
     -d docker.io/library/registry:2

# validate repo is up
curl -u user:pass -k https://localhost:5000/v2/_catalog
{"repositories":[]}

# get auth for config
echo -n 'user:pass' | base64 -w0
dXNlcjpwYXNz

# get config
cat ~/Downloads/pull-secret.txt | jq .  > /tmp/pull-secret.json

# edit pull-secret.json to add auth, not needed?
"localhost:5000": {                                                                             
        "auth": "dXNlcjpwYXNz",                                                                     
        "email": "[email protected]"                                                                 
}   

# setup vars
export OCP_RELEASE=4.3.3-x86_64
export LOCAL_REGISTRY='localhost:5000' 
export LOCAL_REPOSITORY='ocp' 
export PRODUCT_REPO='openshift-release-dev' 
export LOCAL_SECRET_JSON='/tmp/pull-secret.json' 
export RELEASE_NAME="ocp-release" 

# create dir to mirror to
mkdir /tmp/mirror-file

# mirror to dir
# this secret file must have your quay pull secret in it
./oc adm release mirror -a ${LOCAL_SECRET_JSON} --from=quay.io/${PRODUCT_REPO}/${RELEASE_NAME}:${OCP_RELEASE} --to-dir=/tmp/mirror-file

# copy to a disk, walk over to where real registry is installed

# mirror to registry
# note this secret file can be limited to only the auth required for the mirror registry
./oc image mirror -a ${LOCAL_SECRET_JSON} --dir=/tmp/mirror-file file://openshift/release:4.3.3* ${LOCAL_REGISTRY}/ocp-4.3

# verifying tags exist
curl -u user:pass -k https://localhost:5000/v2/ocp-4.3/tags/list
{"name":"ocp-4.3","tags":["4.3.3-configmap-reloader","4.3.3-prom-label-proxy","4.3.3-cluster-update-keys","4.3.3-cluster-authentication-operator","4.3.3-cluster-node-tuning-operator","4.3.3-cluster-kube-apiserver-operator","4.3.3-cli-artifacts","4.3.3-ironic","4.3.3-installer","4.3.3-local-storage-static-provisioner","4.3.3-ironic-inspector","4.3.3-docker-registry","4.3.3-cluster-policy-controller","4.3.3-gcp-machine-controllers","4.3.3-ironic-ipa-downloader","4.3.3-cluster-autoscaler","4.3.3-telemeter","4.3.3-console","4.3.3-pod","4.3.3-cluster-bootstrap","4.3.3-openstack-machine-controllers","4.3.3-tests","4.3.3-jenkins-agent-maven","4.3.3-grafana","4.3.3-cli","4.3.3-thanos","4.3.3-machine-os-content","4.3.3-docker-builder","4.3.3-cluster-svcat-apiserver-operator","4.3.3-prometheus-alertmanager","4.3.3-service-catalog","4.3.3","4.3.3-baremetal-installer","4.3.3-cluster-image-registry-operator","4.3.3-cluster-autoscaler-operator","4.3.3-jenkins-agent-nodejs","4.3.3-service-ca-operator","4.3.3-sdn","4.3.3-etcd","4.3.3-k8s-prometheus-adapter","4.3.3-console-operator","4.3.3-oauth-proxy","4.3.3-libvirt-machine-controllers","4.3.3-kuryr-controller","4.3.3-hyperkube","4.3.3-ironic-machine-os-downloader","4.3.3-openshift-apiserver","4.3.3-cluster-kube-controller-manager-operator","4.3.3-baremetal-operator","4.3.3-installer-artifacts","4.3.3-prometheus-operator","4.3.3-cluster-machine-approver","4.3.3-cluster-version-operator","4.3.3-ironic-static-ip-manager","4.3.3-ovn-kubernetes","4.3.3-operator-lifecycle-manager","4.3.3-cluster-config-operator","4.3.3-prometheus-node-exporter","4.3.3-coredns","4.3.3-baremetal-machine-controllers","4.3.3-cluster-openshift-controller-manager-operator","4.3.3-kube-proxy","4.3.3-multus-cni","4.3.3-cluster-network-operator","4.3.3-haproxy-router","4.3.3-container-networking-plugins","4.3.3-operator-registry","4.3.3-multus-admission-controller","4.3.3-cloud-credential-operator","4.3.3-cluster-samples-operator","4.3.3-cluster-storage-operator","4.3.3-insights-operator","4.3.3-kube-rbac-proxy","4.3.3-cluster-openshift-apiserver-operator","4.3.3-operator-marketplace","4.3.3-cluster-kube-scheduler-operator","4.3.3-kube-state-metrics","4.3.3-prometheus-config-reloader","4.3.3-jenkins","4.3.3-azure-machine-controllers","4.3.3-must-gather","4.3.3-cluster-monitoring-operator","4.3.3-mdns-publisher","4.3.3-cluster-node-tuned","4.3.3-cluster-svcat-controller-manager-operator","4.3.3-prometheus","4.3.3-kuryr-cni","4.3.3-deployer","4.3.3-openshift-state-metrics","4.3.3-kube-etcd-signer-server","4.3.3-baremetal-runtimecfg","4.3.3-machine-config-operator","4.3.3-ironic-hardware-inventory-recorder","4.3.3-keepalived-ipfailover","4.3.3-cluster-ingress-operator","4.3.3-kube-client-agent","4.3.3-aws-machine-controllers","4.3.3-machine-api-operator","4.3.3-oauth-server","4.3.3-cluster-dns-operator","4.3.3-openshift-controller-manager"]}

from Christian:

You can add your secret with a fancy jq command

jq '.auths += {"registry.ocp4.example.com:5000": {"auth": "ZHVtbXk6ZHVtbXk=","email": "noemail@localhost"}}' < ~/pull-secret.json > ~/pull-secret-2.json