<feature>[qga]: QGA Improvements IPv6 and Expanded OS Support #406
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1.Add IPv6 vm config support 2.Read the IPv6 address from the VM. 3.Support additional guest operating systems, such as Centos6, Ubuntu16, debian, etc. 4.More bugfix Resolves: ZSTAC-56243 Change-Id: I6868776c277a28fd38ad45eb9014d64a3931b6d0
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WalkthroughThe updates across the KvmAgent and ZStackLib modules introduce new functionalities and enhancements tailored for specific operating systems. A new restart command for CentOS 6.x, handling of Windows 2008 network information, and support for additional Linux distributions in VM configuration sync are key additions. The codebase also sees improvements in handling byte decoding with fallbacks and refined methods for retrieving OS information. Changes
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Review Status
Actionable comments generated: 1
Configuration used: CodeRabbit UI
Files selected for processing (3)
- kvmagent/kvmagent/plugins/qga_zwatch.py (4 hunks)
- kvmagent/kvmagent/plugins/vm_config.py (2 hunks)
- zstacklib/zstacklib/utils/qga.py (9 hunks)
Additional comments: 16
kvmagent/kvmagent/plugins/qga_zwatch.py (5)
32-33: The addition of
ZWATCH_RESTART_CMD_EL6aligns with the PR objective to support CentOS 6.321-364: The new functions
is_windows_2008,subnet_mask_to_prefix_length, andget_nic_info_for_windows_2008are consistent with the PR objective to handle Windows 2008 specific network information retrieval.116-125: The logic in
qga_get_vm_nicto check for the existence of the NIC info script and retrieve NIC info based on the OS type is consistent with the PR objective to extend the capability of reading IPv6 addresses from VMs.148-153: The logic in
zwatch_qga_monitor_vmto handle the restart command for CentOS 6.x is consistent with the PR objective to support additional guest operating systems.316-318: The
push_metrics_to_gatewayfunction is not directly related to the PR objectives, but it seems to be part of the overall QGA functionality.kvmagent/kvmagent/plugins/vm_config.py (3)
142-159:
The update to theVM_CONFIG_SYNC_OS_VERSION_SUPPORTdictionary correctly adds support for EL6 as outlined in the PR objective and the summary. This aligns with the goal of expanding support for additional guest operating systems.217-224:
The logic withinset_vm_hostname_by_qgahas been enhanced to conditionally use a different command file for EL6, which is consistent with the PR objective to expand support for additional guest operating systems. The function signature remains unchanged, which is inconsistent with the summary that suggests a potential signature change.145-145:
The addition of theVM_QGA_SET_HOSTNAME_EL6global variable is consistent with the PR objective to expand support for additional guest operating systems, specifically mentioning EL6.zstacklib/zstacklib/utils/qga.py (8)
51-57: The
decode_with_fallbackfunction is a good addition for handling multiple encodings. Ensure that this function is used consistently wherever byte decoding is required in the codebase.98-103: The addition of new Linux OS types (
VM_OS_LINUX_DEBIAN,VM_OS_LINUX_FEDORA) is in line with the PR objective. Ensure that these new OS types are integrated into the existing logic where OS types are used.217-224: The use of
decode_with_fallbackinguest_exec_bashis a good practice for handling multiple encodings. Ensure that the decoded data is handled properly after this change.262-269: The use of
decode_with_fallbackinguest_exec_pythonis consistent with the changes made in other methods. Ensure that the decoded data is handled properly after this change.298-305: The use of
decode_with_fallbackinguest_exec_zs_toolsis consistent with the changes made in other methods. Ensure that the decoded data is handled properly after this change.332-339: The use of
decode_with_fallbackinguest_exec_wmicis consistent with the changes made in other methods. Ensure that the decoded data is handled properly after this change.366-373: The use of
decode_with_fallbackinguest_exec_powershellis consistent with the changes made in other methods. Ensure that the decoded data is handled properly after this change.489-513: The modifications to
guest_get_os_infoto handle different cases for retrieving OS information are in line with the PR objective. Ensure that the new logic is robust and that it doesn't introduce any regressions.
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The addition of a broad except clause in is_qga_connected may suppress important errors. Consider logging the exception or using a more specific exception type.
1.Add IPv6 vm config support
2.Read the IPv6 address from the VM.
3.Support additional guest operating systems, such as Centos6, Ubuntu16, debian, etc. 4.More bugfix
Resolves: ZSTAC-56243
Change-Id: I6868776c277a28fd38ad45eb9014d64a3931b6d0
Summary by CodeRabbit
New Features
Improvements
Bug Fixes
VmQgaclass to utilize the new decoding function for improved data handling.