aleskxyz opened a new issue #4808:
URL: https://github.com/apache/cloudstack/issues/4808
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##### ISSUE TYPE
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* Bug Report
##### COMPONENT NAME
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ConfigDrive
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##### CLOUDSTACK VERSION
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branch.
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4.14.1
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##### CONFIGURATION
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Information about the configuration if relevant, e.g. basic network,
advanced networking, etc. N/A otherwise
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N/A
##### OS / ENVIRONMENT
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Information about the environment if relevant, N/A otherwise
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ESXi 6.5
CentOS7
##### SUMMARY
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This bug report actually has 2 root cause that solving each of them can
solve the bug.
1. Based on [design
document](https://cwiki.apache.org/confluence/display/CLOUDSTACK/Using+ConfigDrive+for+Metadata%2C+Userdata+and+Password)
of ConfigDrive feature, the iso should be mounted on 2nd cdrom drive of VM but
CS don't even create it.
1. When user tries to attach an ISO to the created VM, CloudStack tries to
replace the ISOs but don't answer the esxi question about unmounting iso, so
the operation fails.
##### STEPS TO REPRODUCE
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For bugs, show exactly how to reproduce the problem, using a minimal
test-case. Use Screenshots if accurate.
For new features, show how the feature would be used.
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Create a network with ConfigDrive as userdata
Create a VM attached to that network and start it
Attach an ISO to the VM
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##### EXPECTED RESULTS
<!-- What did you expect to happen when running the steps above? -->
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CloudStack creates the 2nd cdrom drive for VM and mount ConfigDrive ISO on it
or
CloudStack answer the question of ESXi about unmounting ConfigDrive ISO
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##### ACTUAL RESULTS
<!-- What actually happened? -->
<!-- Paste verbatim command output between quotes below -->
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CloudStack tries to unmount ConfigDrive iso but leave the esxi question
unanswered so operation fails.
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