feat(check): refactor kernel version check into separate script

Signed-off-by: cuisongliu <[email protected]>

Author: cuisongliu

deploy/base/kubernetes/v1.28.15/scripts/check.sh

@@ -63,10 +63,5 @@ arch=$(uname -m)
 if [[ "$arch" != "x86_64" && "$arch" != "aarch64" ]]; then
   error "Host CPU architecture must be AMD64 (x86_64) or AArch64 (aarch64). Current: $arch"
 fi
-kernel_full=$(uname -r)
-if [ "$(ver_ge "$kernel_full" "4.19.57")" -ne 0 ]; then
-  if [[ "$kernel_full" != *"el8"* && "$kernel_full" != *"el9"* ]]; then
-    error "Linux kernel must be >= 4.19.57 or an equivalent supported version (for example RHEL8's 4.18). Current: $kernel_full"
-  fi
-fi
+bash kernel.sh
 logger "check root,port,cri success"

deploy/base/kubernetes/v1.28.15/scripts/kernel.sh

@@ -0,0 +1,52 @@
+#!/bin/bash
+source common.sh
+ver_ge() {
+  # usage: ver_ge "4.19.57" "4.18"
+  awk -v a="$1" -v b="$2" 'BEGIN{
+    split(a,A,"[.-]"); split(b,B,"[.-]");
+    for(i=1;i<=3;i++){ if(A[i]=="") A[i]=0; if(B[i]=="") B[i]=0 }
+    for(i=1;i<=3;i++){ if(A[i]>B[i]){print 0; exit} else if(A[i]<B[i]){print 1; exit} }
+    print 0
+  }'
+}
+kernel_full="$(uname -r)"             # e.g. 5.14.0-503.14.1.el9_4.x86_64 / 4.18.0-372.32.1.el8_6.x86_64
+kernel_ver="${kernel_full%%-*}"       # 只取纯版本号：5.14.0 / 4.18.0
+
+# 读取发行版信息
+os_id=""; os_ver="";
+if [ -r /etc/os-release ]; then
+  . /etc/os-release
+  os_id="${ID:-}"; os_ver="${VERSION_ID:-}"       # e.g. 8.6 / 9.4 / 20.03
+fi
+
+# 发行版家族
+is_rhel_like=false
+case "$os_id" in
+  rhel|rocky|almalinux|centos|ol) is_rhel_like=true ;;
+esac
+
+is_euler_like=false
+case "$os_id" in
+  euleros|EulerOS|openEuler) is_euler_like=true ;;
+esac
+
+ok=false
+
+# 条件1：通用内核线
+if ver_ge "$kernel_ver" "5.10"; then
+  ok=true
+
+# 条件2：RHEL-like 且 OS 版本 >= 8.6（含 9.x），并且内核 >= 4.18
+elif $is_rhel_like && ver_ge "${os_ver:-0}" "8.6" && ver_ge "$kernel_ver" "4.18"; then
+  ok=true
+
+# 条件3（可选）：EulerOS/openEuler 版本 >= 20.03 且内核 >= 4.18
+elif $is_euler_like && ver_ge "${os_ver:-0}" "20.03" && ver_ge "$kernel_ver" "4.18"; then
+  ok=true
+fi
+
+if [ "$ok" != true ]; then
+  error "Linux kernel must be >= 5.10 OR vendor-backed equivalent (e.g., RHEL >= 8.6 with 4.18+, EulerOS/openEuler >= 20.03 with 4.18+). Current: $kernel_full (OS: ${ID:-unknown} ${VERSION_ID:-unknown})"
+fi
+
+logger "Kernel check passed: $kernel_full (OS: ${ID:-unknown} ${VERSION_ID:-unknown})"