Description of problem:
When running the oc mirror command (version 4.19.0) on a RHEL 8 system where the /tmp directory is mounted with the noexec option in /etc/fstab, the command fails to produce any output. This issue prevents the successful mirroring of container images as configured. The noexec mount option on /tmp likely restricts the execution of temporary files or scripts required by the oc mirror process, causing it to fail silently. The issue was observed during a dry-run execution with a specific configuration file and workspace.
Version-Release number of selected component (if applicable):
oc mirror version: Client Version: version.Info{Major:"", Minor:"", GitVersion:"4.19.0-202507081507.p0.gf364aec.assembly.stream.el9-f364aec", GitCommit:"f364aec3fc13fad183ff85ad40b6c861964c483e", GitTreeState:"clean", BuildDate:"2025-07-09T00:30:17Z", GoVersion:"go1.23.9 (Red Hat 1.23.9-1.module+el8.10.0+23162+9223a61a) X:strictfipsruntime", Compiler:"gc", Platform:"linux/amd64"}
How reproducible:
Steps to Reproduce:
1. Set up a RHEL 8 system. 2. Ensure the /tmp directory is mounted with the noexec option in /etc/fstab. You can verify this by running: cat /etc/fstab| grep -i tmp /dev/mapper/VG00-tmp /tmp xfs defaults,nodev,nosuid,noexec 1 2 3. Install oc mirror version 4.19.0 (specific build: GitVersion "4.19.0-202507081507.p0.gf364aec.assembly.stream.el9-f364aec") 4. Create or obtain a valid oc mirror configuration file (e.g., redhat-operator-mirror-4.16.yaml) and place it in a directory such as /apps/srvquay/mirror-operators/redhat-operator/ 5. Ensure a workspace directory exists (e.g., /apps/srvquay/mirror-operators/redhat-operator). 6. Run the following oc mirror command: oc-mirror -c /apps/srvquay/mirror-operators/redhat-operator/redhat-operator-mirror-4.16.yaml --workspace file:///apps/srvquay/mirror-operators/redhat-operator docker://cbq-svp-rosquay1.cbq.com.qa/rosquay/redhat-operator --v2 --dry-run 7. Observe that the command produces no output and exits silently.
Actual results:
No result are produced
Expected results:
A list of images and operator catalogs that would be mirrored from the source to the destination
Additional info:
- blocks
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OCPBUGS-59760 oc mirror command produces no output when executed on RHEL 8 with /tmp mounted as noexec in /etc/fstab
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