update vmBackup
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ubuntu
parent
aaa782e22c
commit
b763ed7d85
173
vmBackUp.sh
173
vmBackUp.sh
@ -19,82 +19,109 @@ if [ ! -d "$BACKUP_DIR" ]; then
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mkdir -p "$BACKUP_DIR"
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fi
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# 步骤1: 禁用ES集群分片分配
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echo "禁用ES集群分片分配..."
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curl -u elastic:your_secure_password -X PUT "http://${ES_HOST}/_cluster/settings" -H 'Content-Type: application/json' -d'{
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"persistent": {
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"cluster.routing.allocation.enable": "none"
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}
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}'
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if [ $? -ne 0 ]; then
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echo "错误: 禁用ES集群分片分配失败"
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exit 1
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fi
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echo ""
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# 步骤2: 停止虚机
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echo "停止虚机: $VM_NAME..."
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lxc stop "$VM_NAME"
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if [ $? -ne 0 ]; then
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echo "错误: 无法停止虚机 $VM_NAME"
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exit 1
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fi
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# 步骤3: 管理备份文件（保留最近3份）
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echo "管理备份文件..."
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if [ -f "${BACKUP_FILE}_bak1" ]; then
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mv "${BACKUP_FILE}_bak1" "${BACKUP_FILE}_bak2"
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fi
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if [ -f "$BACKUP_FILE" ]; then
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mv "$BACKUP_FILE" "${BACKUP_FILE}_bak1"
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fi
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# 步骤4: 执行备份
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echo "开始备份虚机 $VM_NAME 到 $BACKUP_FILE..."
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lxc export "$VM_NAME" "$BACKUP_FILE"
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if [ $? -ne 0 ]; then
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echo "错误: 备份失败"
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lxc start "$VM_NAME" # 备份失败时尝试重启虚机
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exit 1
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fi
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# 步骤5: 重启虚机
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echo "重启虚机: $VM_NAME..."
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lxc start "$VM_NAME"
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if [ $? -ne 0 ]; then
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echo "错误: 无法启动虚机 $VM_NAME"
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exit 1
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fi
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# 步骤6: 等待节点加入ES集群
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echo "等待节点 $NODE_NAME 加入ES集群..."
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MAX_WAIT=60 # 最大等待时间（秒）
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WAIT_INTERVAL=5 # 检查间隔（秒）
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ELAPSED=0
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while [ $ELAPSED -lt $MAX_WAIT ]; do
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NODE_COUNT=$(curl -s "http://${ES_HOST}/_cat/nodes" | grep -c "$NODE_NAME")
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if [ "$NODE_COUNT" -ge 1 ]; then
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echo "节点 $NODE_NAME 已加入集群"
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break
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fi
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sleep $WAIT_INTERVAL
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ELAPSED=$((ELAPSED + WAIT_INTERVAL))
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done
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if [ $ELAPSED -ge $MAX_WAIT ]; then
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echo "警告: 等待超时，节点 $NODE_NAME 未及时加入集群"
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fi
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# 步骤7: 重新启用ES集群分片分配
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echo "重新启用ES集群分片分配..."
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curl -X PUT "http://${ES_HOST}/_cluster/settings" -H 'Content-Type: application/json' -d'{
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# 定义函数：重新启用ES集群分片分配
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enable_shard_allocation() {
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echo "重新启用ES集群分片分配..."
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curl -X PUT "http://${ES_HOST}/_cluster/settings" -H 'Content-Type: application/json' -d'{
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"persistent": {
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"cluster.routing.allocation.enable": "all"
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}
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}'
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if [ $? -ne 0 ]; then
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echo "错误: 重新启用ES集群分片分配失败"
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}'
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if [ $? -ne 0 ]; then
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echo "警告: 重新启用ES集群分片分配失败"
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else
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echo "ES集群分片分配已成功重新启用"
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fi
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}
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# 定义函数：禁用ES集群分片分配
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disable_shard_allocation() {
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echo "禁用ES集群分片分配..."
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curl -u elastic:your_secure_password -X PUT "http://${ES_HOST}/_cluster/settings" -H 'Content-Type: application/json' -d'{
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"persistent": {
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"cluster.routing.allocation.enable": "none"
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}
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}'
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if [ $? -ne 0 ]; then
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echo "错误: 禁用ES集群分片分配失败"
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enable_shard_allocation
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exit 1
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fi
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echo ""
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fi
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echo ""
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}
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# 定义函数：停止虚机
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stop_vm() {
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echo "停止虚机: $VM_NAME..."
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lxc stop "$VM_NAME"
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if [ $? -ne 0 ]; then
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echo "错误: 无法停止虚机 $VM_NAME"
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enable_shard_allocation
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exit 1
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fi
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}
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# 定义函数：管理备份文件
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manage_backup_files() {
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echo "管理备份文件..."
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if [ -f "${BACKUP_FILE}_bak1" ]; then
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mv "${BACKUP_FILE}_bak1" "${BACKUP_FILE}_bak2"
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fi
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if [ -f "$BACKUP_FILE" ]; then
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mv "$BACKUP_FILE" "${BACKUP_FILE}_bak1"
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fi
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}
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# 定义函数：执行备份
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perform_backup() {
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echo "开始备份虚机 $VM_NAME 到 $BACKUP_FILE..."
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lxc export "$VM_NAME" "$BACKUP_FILE"
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if [ $? -ne 0 ]; then
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echo "错误: 备份失败"
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lxc start "$VM_NAME" # 备份失败时尝试重启虚机
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enable_shard_allocation
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exit 1
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fi
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}
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# 定义函数：重启虚机
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start_vm() {
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echo "重启虚机: $VM_NAME..."
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lxc start "$VM_NAME"
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if [ $? -ne 0 ]; then
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echo "错误: 无法启动虚机 $VM_NAME"
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enable_shard_allocation
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exit 1
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fi
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}
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# 定义函数：等待节点加入ES集群
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wait_for_node_join() {
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echo "等待节点 $NODE_NAME 加入ES集群..."
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MAX_WAIT=60 # 最大等待时间（秒）
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WAIT_INTERVAL=5 # 检查间隔（秒）
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ELAPSED=0
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while [ $ELAPSED -lt $MAX_WAIT ]; do
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NODE_COUNT=$(curl -s "http://${ES_HOST}/_cat/nodes" | grep -c "$NODE_NAME")
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if [ "$NODE_COUNT" -ge 1 ]; then
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echo "节点 $NODE_NAME 已加入集群"
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return 0
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fi
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sleep $WAIT_INTERVAL
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ELAPSED=$((ELAPSED + WAIT_INTERVAL))
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done
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echo "警告: 等待超时，节点 $NODE_NAME 未及时加入集群"
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enable_shard_allocation
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exit 1
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}
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# 主流程
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disable_shard_allocation
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stop_vm
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manage_backup_files
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perform_backup
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start_vm
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wait_for_node_join
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enable_shard_allocation
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echo "备份完成！最新备份文件: $BACKUP_FILE"
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