85 lines
3.3 KiB
Bash
85 lines
3.3 KiB
Bash
#!/bin/bash
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# ============================================================
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# 脚本功能：收集指定命名空间下副本数 > 0 的 Deployment 信息
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# 包含：Deployment 名称、镜像名称、GIT 相关环境变量
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# ============================================================
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set -euo pipefail
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# ── 配置区 ──────────────────────────────────────────────────
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NAMESPACE="sd-wf-ga-fly-260327"
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OUTPUT_FILE="deployment_info_$(date +%Y%m%d_%H%M%S).txt"
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# ────────────────────────────────────────────────────────────
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echo "=========================================="
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echo " 命名空间 : $NAMESPACE"
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echo " 输出文件 : $OUTPUT_FILE"
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echo "=========================================="
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# 创建（清空）输出文件
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> "$OUTPUT_FILE"
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# 获取所有 Deployment 名称（换行分隔）
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DEPLOYMENTS=$(kubectl get deployments -n "$NAMESPACE" \
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-o jsonpath='{range .items[*]}{.metadata.name}{"\n"}{end}' 2>/dev/null)
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if [[ -z "$DEPLOYMENTS" ]]; then
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echo "[ERROR] 命名空间 '$NAMESPACE' 下未发现任何 Deployment，请检查命名空间是否正确。"
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exit 1
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fi
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PROCESSED=0
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SKIPPED=0
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while IFS= read -r DEPLOY; do
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[[ -z "$DEPLOY" ]] && continue
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# ── 1. 获取期望副本数 ──────────────────────────────────────
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REPLICAS=$(kubectl get deployment "$DEPLOY" -n "$NAMESPACE" \
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-o jsonpath='{.spec.replicas}' 2>/dev/null)
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REPLICAS="${REPLICAS:-0}"
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if [[ "$REPLICAS" == 0 ]]; then
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echo "[SKIP] $DEPLOY (副本数=${REPLICAS}，≤ 1，跳过)"
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(( SKIPPED++ )) || true
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continue
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fi
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echo "[INFO] 处理 Deployment: $DEPLOY (副本数=${REPLICAS})"
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# ── 2. 获取第一个容器的镜像名称 ───────────────────────────
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IMAGE=$(kubectl get deployment "$DEPLOY" -n "$NAMESPACE" \
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-o jsonpath='{.spec.template.spec.containers[0].image}' 2>/dev/null)
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IMAGE="${IMAGE:-<未获取到镜像>}"
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# ── 3. 在第一个副本 Pod 中执行 env | grep GIT ─────────────
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GIT_ENV=$(kubectl exec -n "$NAMESPACE" "deploy/$DEPLOY" \
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-- sh -c "env | grep GIT" 2>/dev/null || echo "")
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# ── 4. 写入输出文件 ───────────────────────────────────────
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{
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echo "deployment名称：${DEPLOY}"
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echo "镜像名称：${IMAGE}"
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echo "环境变量："
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if [[ -n "$GIT_ENV" ]]; then
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while IFS= read -r env_line; do
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echo " ${env_line}"
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done <<< "$GIT_ENV"
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else
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echo " (未发现 GIT 相关环境变量)"
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fi
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echo ""
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echo "------------------------------------------"
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echo ""
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} >> "$OUTPUT_FILE"
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(( PROCESSED++ )) || true
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done <<< "$DEPLOYMENTS"
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# ── 汇总输出 ──────────────────────────────────────────────
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echo ""
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echo "=========================================="
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echo " 完成！已处理: ${PROCESSED} 个，已跳过: ${SKIPPED} 个"
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echo " 结果文件: $OUTPUT_FILE"
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echo "==========================================" |