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feat(check): refactor kernel version check into separate script #6079

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Merged
merged 1 commit into from
Oct 14, 2025
Merged

feat(check): refactor kernel version check into separate script #6079

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7 changes: 1 addition & 6 deletions deploy/base/kubernetes/v1.28.15/scripts/check.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -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"
50 changes: 50 additions & 0 deletions deploy/base/kubernetes/v1.28.15/scripts/kernel.sh
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Original file line number Diff line number Diff line change
@@ -0,0 +1,50 @@
#!/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%%-*}" # only version：5.14.0 / 4.18.0

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

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

# Condition 1: General kernel line
if ver_ge "$kernel_ver" "5.10"; then
ok=true

# Condition 2: RHEL-like and kernel >= 4.18
elif $is_rhel_like && ver_ge "$kernel_ver" "4.18"; then
ok=true

# Condition 3 (optional): EulerOS/openEuler and kernel >= 4.18
elif $is_euler_like && ver_ge "$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})"
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