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xgj/config-env/scripts/configure-kubectl.sh

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#!/bin/bash
set -euo pipefail
RED='\033[0;31m'
GREEN='\033[0;32m'
YELLOW='\033[1;33m'
BLUE='\033[0;34m'
NC='\033[0m'
log_info() {
echo -e "${BLUE} $1${NC}"
}
log_success() {
echo -e "${GREEN}$1${NC}"
}
log_warning() {
echo -e "${YELLOW}⚠️ $1${NC}"
}
log_error() {
echo -e "${RED}$1${NC}"
}
ensure_kubectl_available() {
if ! command -v kubectl >/dev/null 2>&1; then
log_error "kubectl 未安装或不可用"
exit 1
fi
log_info "kubectl 版本: $(kubectl version --client --short 2>/dev/null || kubectl version --client)"
}
write_kube_config() {
local encoded="${KUBE_CONFIG_BASE64:-}"
if [[ -z "$encoded" ]]; then
log_error "KUBE_CONFIG_BASE64 环境变量为空"
exit 1
fi
mkdir -p "$HOME/.kube"
local config_path="$HOME/.kube/config"
echo "$encoded" | base64 -d > "$config_path"
chmod 600 "$config_path"
log_success "已写入 kubectl 配置: $config_path"
}
validate_kube_config() {
if ! kubectl config view --minify >/dev/null 2>&1; then
log_error "kubectl 配置文件无效或权限不足"
exit 1
fi
log_success "kubectl 配置文件格式验证通过"
}
trap 'log_error "kubectl 配置失败,退出码: $?"' ERR
main() {
ensure_kubectl_available
write_kube_config
validate_kube_config
}
main "$@"