2024/10/08 12:50:50  [WARN]   : ⚠️  --v2 flag identified, flow redirected to the oc-mirror v2 version. This is Tech Preview, it is still under development and it is not production ready.
2024/10/08 12:50:50  [INFO]   : 👋 Hello, welcome to oc-mirror
2024/10/08 12:50:50  [INFO]   : ⚙️  setting up the environment for you...
2024/10/08 12:50:50  [INFO]   : 🔀 workflow mode: diskToMirror 
2024/10/08 12:52:19  [INFO]   : 🕵️  going to discover the necessary images...
2024/10/08 12:52:19  [INFO]   : 🔍 collecting release images...
2024/10/08 12:52:19  [ERROR]  : [ReleaseImageCollector] open /home/fedora/test-oc-mirror/hold-release/working-dir/release-images/ocp-release/4.14.20-x86_64/release-manifests/image-references: no such file or directory
2024/10/08 12:52:19  [INFO]   : 👋 Goodbye, thank you for using oc-mirror
2024/10/08 12:52:19  [ERROR]  : [ReleaseImageCollector] open /home/fedora/test-oc-mirror/hold-release/working-dir/release-images/ocp-release/4.14.20-x86_64/release-manifests/image-references: no such file or directory 


    

    [fedora@preserve-fedora-yinzhou test]$ ./oc-mirror version
WARNING: This version information is deprecated and will be replaced with the output from --short. Use --output=yaml|json to get the full version.
Client Version: version.Info{Major:"", Minor:"", GitVersion:"4.17.0-202409120935.p0.gc912303.assembly.stream.el9-c912303", GitCommit:"c9123030d5df99847cf3779856d90ff83cf64dcb", GitTreeState:"clean", BuildDate:"2024-09-12T09:57:57Z", GoVersion:"go1.22.5 (Red Hat 1.22.5-1.module+el8.10.0+22070+9237f38b) X:strictfipsruntime", Compiler:"gc", Platform:"linux/amd64"}


    

    Always
    

    1. Install 4.17 cluster and 4.17 oc-mirror
    2. Now use the ImageSetConfig.yaml below and perform mirror2disk using the command below
[root@bastion-dsal oc-mirror]# cat imageset.yaml
kind: ImageSetConfiguration
apiVersion: mirror.openshift.io/v2alpha1
mirror:
  platform:
    channels:
    - name: stable-4.14
      minVersion: 4.14.20
      maxVersion: 4.14.20
      shortestPath: true
    graph: true
oc-mirror -c /tmp/imagesetconfig.yaml file:///home/fedora/test-oc-mirror/release-images --v2
    3. Now perform disk2mirror using the command below
    oc-mirror -c /tm/imagesetconfig.yaml --from file:///home/fedora/test-oc-mirror/release-images --v2 --dry-run
    

    When performing disk2mirror errors are seen as below
[fedora@preserve-fedora-yinzhou test]$ ./oc-mirror -c /tmp/imageset.yaml --from file:///home/fedora/test-oc-mirror/release-images docker://localhost:5000 --v2 --dest-tls-verify=false --dry-run

2024/10/08 12:50:50  [WARN]   : ⚠️  --v2 flag identified, flow redirected to the oc-mirror v2 version. This is Tech Preview, it is still under development and it is not production ready.
2024/10/08 12:50:50  [INFO]   : 👋 Hello, welcome to oc-mirror
2024/10/08 12:50:50  [INFO]   : ⚙️  setting up the environment for you...
2024/10/08 12:50:50  [INFO]   : 🔀 workflow mode: diskToMirror 
2024/10/08 12:52:19  [INFO]   : 🕵️  going to discover the necessary images...
2024/10/08 12:52:19  [INFO]   : 🔍 collecting release images...
2024/10/08 12:52:19  [ERROR]  : [ReleaseImageCollector] open /home/fedora/test-oc-mirror/hold-release/working-dir/release-images/ocp-release/4.14.20-x86_64/release-manifests/image-references: no such file or directory
2024/10/08 12:52:19  [INFO]   : 👋 Goodbye, thank you for using oc-mirror
2024/10/08 12:52:19  [ERROR]  : [ReleaseImageCollector] open /home/fedora/test-oc-mirror/hold-release/working-dir/release-images/ocp-release/4.14.20-x86_64/release-manifests/image-references: no such file or directory 


    

    No errors should be seen when performing disk2mirror
    

    If not using nestedpaths for file i.e like file:///home/fedora/test-oc-mirror/release-images and just using file://test-oc-mirror things work fine and no error as above is seen.