fix container os >= 3.4 && support ubuntu

[BSWANG]

No description provided.

[Copilot]

Pull Request Overview

This PR refactors driver installation logic to support container OS versions ≥ 3.4 (Lifsea) and Ubuntu, splits unsupported vs. Linux-specific utilities, and updates build scripts and Dockerfile to use Alibaba Cloud mirrors.

• Added a Linux-specific utils file (utils_linux.go) and a stub for unsupported platforms (utils_unsupported.go)
• Introduced getInstallScript and containerOSDriverInstall for dynamic install-script generation in utils.go
• Updated driver wrappers (DefaultDriver, CompatDriver, OFEDDriver) to select execution method and added Lifsea repo support in Dockerfile

Reviewed Changes

Copilot reviewed 8 out of 8 changed files in this pull request and generated 5 comments.

Show a summary per file

File	Description
internal/drivers/utils_unsupported.go	Stubbed out hostExec for non-Linux platforms
internal/drivers/utils_linux.go	Linux implementations: driver checks, exec wrappers, RDMA utilities
internal/drivers/utils.go	New helpers: getInstallScript, containerOSDriverInstall
internal/drivers/ofed.go	OFEDDriver now picks hostExec or containerExec based on platform
internal/drivers/default.go	DefaultDriver uses new install helpers but unconditionally calls containerExec for modprobe
internal/drivers/compat.go	CompatDriver updated similarly to DefaultDriver
hack/lifsea.repo	Added Lifsea repository configuration
Dockerfile	Streamlined RUN env exports, added public_mirror stage, Lifsea repo

Comments suppressed due to low confidence (1)

internal/drivers/utils.go:8

• The new getInstallScript helper generates complex shell commands but lacks unit tests. Consider adding tests to verify output for both compat = true and compat = false scenarios.

func getInstallScript(compat bool) string {