Skip to content

Airgap Image Sync📜

Prerequisite📜

Usage📜

Unpack

tar -xvf images.tar.gz

Start a local registry based on the images we just unpacked.

cd ./var/lib/registry
docker load < registry.tar
docker run -p 25000:5000 -v $(pwd):/var/lib/registry registry:2
# Verify the registry mounted correctly
curl http://localhost:25000/v2/_catalog -k
# A list of Big Bang images should be displayed, if not check the volume mount of the registry

Configure ./synker.yaml

Example:

destination:
  registry:
    # Hostname of the destination registry to push to
    hostname: 10.0.0.10
    # Port of the destination registry to push to
    port: 5000

If using Harbor, reference the project name.

destination:
  registry:
    # Hostname of the destination registry to push to
    hostname: harbor.domain.com/ironbank
    # Port of the destination registry to push to
    port: 443

If your destination repo requires credentials, add them to ~/.docker/config.json.

{
  "auths": {
    "registry.dso.mil": {
      "username": "gitlab -user",
      "password": "",
      "auth": "=="
    },
    "registry1.dso.mil": {
      "auth": ""
    },
    "harbor.yourdomain.com": {
      "username": "robot",
      "password": "",
      "auth": "base64(username:password)="
    }
  }
}

WARNING: Verify your credentials with docker login before running synker. If your environment has login lockout after failed attempts synker could trigger a lockout if your credentials are incorrect.

./synker push

Verify the images were pushed to your registry.

Last update: 2024-07-29 by Michael Martin