Comment 0 for bug 1558467

I use CentOS 7 for undercloud.
I execute "openstack baremetal introspection bulk start" for introspection in two nodes in KVM.

[stack@undercloud ~]$ openstack baremetal introspection bulk start
Setting nodes for introspection to manageable...
Starting introspection of node: 7b189f90-28c8-4f71-9b58-815c171fffc2
Starting introspection of node: 7884c7cb-acd3-438c-a03b-e3ef124cca6e
Waiting for introspection to finish...
Introspection for UUID 7b189f90-28c8-4f71-9b58-815c171fffc2 finished with error: Preprocessing hook ramdisk_error: Ramdisk reported error: The following errors were encountered:
* failed to run hardware-detect utility: [Errno 2] No such file or directory
* collector logs failed: 'ascii' codec can't decode byte 0xe2 in position 242: ordinal not in range(128)
Introspection for UUID 7884c7cb-acd3-438c-a03b-e3ef124cca6e finished with error: Preprocessing hook ramdisk_error: Ramdisk reported error: The following errors were encountered:
* failed to run hardware-detect utility: [Errno 2] No such file or directory
* collector logs failed: 'ascii' codec can't decode byte 0xe2 in position 242: ordinal not in range(128)
Setting manageable nodes to available...
Introspection completed with errors:
7b189f90-28c8-4f71-9b58-815c171fffc2: Preprocessing hook ramdisk_error: Ramdisk reported error: The following errors were encountered:
* failed to run hardware-detect utility: [Errno 2] No such file or directory
* collector logs failed: 'ascii' codec can't decode byte 0xe2 in position 242: ordinal not in range(128)
7884c7cb-acd3-438c-a03b-e3ef124cca6e: Preprocessing hook ramdisk_error: Ramdisk reported error: The following errors were encountered:
* failed to run hardware-detect utility: [Errno 2] No such file or directory
* collector logs failed: 'ascii' codec can't decode byte 0xe2 in position 242: ordinal not in range(128)

At the nodes of the following trace error.
Lines: https://github.com/openstack/ironic-python-agent/blob/master/ironic_python_agent/inspector.py#L296,L318