feat(barbican): add policy options for vTPM secret access #3441
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Add configuration options to allow Nova and admin users to access Barbican secrets for vTPM operations: - Add barbican_policy_nova_secret_access option to allow Nova service account to access Barbican secrets for vTPM operations - Add barbican_policy_admin_secret_access option to allow admin users to access all Barbican secrets - Both options are disabled by default for security - Add documentation with security warnings to the emulated-tpm admin guide - Add release note documenting the feature and security implications This enables automatic vTPM VM restart after compute node reboots. Resolves: A8E-82 Co-Authored-By: Claude <noreply@anthropic.com> Signed-off-by: yaguang tang <yaguang.tang@vexxhost.com>
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Signed-off-by: yaguang tang <yaguang.tang@vexxhost.com>
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Add configuration options to allow Nova and admin users to access Barbican secrets for vTPM operations:
This enables automatic vTPM VM restart after compute node reboots.
Resolves: A8E-82