From c88343d6b5a9ac5c826a085c247aa1e6c91c6e24 Mon Sep 17 00:00:00 2001 From: "wei.wang" Date: Wed, 27 Apr 2022 06:10:35 +0800 Subject: [PATCH] [zh]Update content/zh/examples/application/mysql/mysql-statefulset.yaml [zh]Update content/zh/examples/application/mysql/mysql-statefulset.yaml Update content/zh/examples/application/mysql/mysql-statefulset.yaml Co-authored-by: Qiming Teng Update content/zh/examples/application/mysql/mysql-statefulset.yaml Co-authored-by: Qiming Teng Update content/zh/examples/application/mysql/mysql-statefulset.yaml Co-authored-by: Qiming Teng Update content/zh/examples/application/mysql/mysql-statefulset.yaml Co-authored-by: Qiming Teng Update content/zh/examples/application/mysql/mysql-statefulset.yaml Co-authored-by: Qiming Teng Update content/zh/examples/application/mysql/mysql-statefulset.yaml Co-authored-by: Qiming Teng Update content/zh/examples/application/mysql/mysql-statefulset.yaml Co-authored-by: Qiming Teng Update content/zh/examples/application/mysql/mysql-statefulset.yaml Co-authored-by: Qiming Teng Update content/zh/examples/application/mysql/mysql-statefulset.yaml Co-authored-by: Qiming Teng Update content/zh/examples/application/mysql/mysql-statefulset.yaml Co-authored-by: Qiming Teng Update content/zh/examples/application/mysql/mysql-statefulset.yaml Co-authored-by: Qiming Teng --- .../application/mysql/mysql-statefulset.yaml | 35 ++++++++++--------- 1 file changed, 18 insertions(+), 17 deletions(-) diff --git a/content/zh/examples/application/mysql/mysql-statefulset.yaml b/content/zh/examples/application/mysql/mysql-statefulset.yaml index b69af02c59..22aa944748 100644 --- a/content/zh/examples/application/mysql/mysql-statefulset.yaml +++ b/content/zh/examples/application/mysql/mysql-statefulset.yaml @@ -21,17 +21,18 @@ spec: - "-c" - | set -ex - # Generate mysql server-id from pod ordinal index. + # 基于 Pod 序号生成 MySQL 服务器的 ID。 [[ `hostname` =~ -([0-9]+)$ ]] || exit 1 ordinal=${BASH_REMATCH[1]} echo [mysqld] > /mnt/conf.d/server-id.cnf - # Add an offset to avoid reserved server-id=0 value. + # 添加偏移量以避免使用 server-id=0 这一保留值。 echo server-id=$((100 + $ordinal)) >> /mnt/conf.d/server-id.cnf # Copy appropriate conf.d files from config-map to emptyDir. + # 将合适的 conf.d 文件从 config-map 复制到 emptyDir。 if [[ $ordinal -eq 0 ]]; then - cp /mnt/config-map/master.cnf /mnt/conf.d/ + cp /mnt/config-map/primary.cnf /mnt/conf.d/ else - cp /mnt/config-map/slave.cnf /mnt/conf.d/ + cp /mnt/config-map/replica.cnf /mnt/conf.d/ fi volumeMounts: - name: conf @@ -45,15 +46,15 @@ spec: - "-c" - | set -ex - # Skip the clone if data already exists. + # 如果已有数据，则跳过克隆。 [[ -d /var/lib/mysql/mysql ]] && exit 0 - # Skip the clone on master (ordinal index 0). + # 跳过主实例（序号索引 0）的克隆。 [[ `hostname` =~ -([0-9]+)$ ]] || exit 1 ordinal=${BASH_REMATCH[1]} [[ $ordinal -eq 0 ]] && exit 0 - # Clone data from previous peer. + # 从原来的对等节点克隆数据。 ncat --recv-only mysql-$(($ordinal-1)).mysql 3307 | xbstream -x -C /var/lib/mysql - # Prepare the backup. + # 准备备份。 xtrabackup --prepare --target-dir=/var/lib/mysql volumeMounts: - name: data @@ -88,7 +89,7 @@ spec: timeoutSeconds: 5 readinessProbe: exec: - # Check we can execute queries over TCP (skip-networking is off). + # 检查我们是否可以通过 TCP 执行查询（skip-networking 是关闭的）。 command: ["mysql", "-h", "127.0.0.1", "-e", "SELECT 1"] initialDelaySeconds: 5 periodSeconds: 2 @@ -105,22 +106,22 @@ spec: set -ex cd /var/lib/mysql - # Determine binlog position of cloned data, if any. + # 确定克隆数据的 binlog 位置（如果有的话）。 if [[ -f xtrabackup_slave_info && "x$( change_master_to.sql.in - # Ignore xtrabackup_binlog_info in this case (it's useless). + # 在这里要忽略 xtrabackup_binlog_info （它是没用的）。 rm -f xtrabackup_slave_info xtrabackup_binlog_info elif [[ -f xtrabackup_binlog_info ]]; then - # We're cloning directly from master. Parse binlog position. + # 我们直接从主实例进行克隆。解析 binlog 位置。 [[ `cat xtrabackup_binlog_info` =~ ^(.*?)[[:space:]]+(.*?)$ ]] || exit 1 rm -f xtrabackup_binlog_info xtrabackup_slave_info echo "CHANGE MASTER TO MASTER_LOG_FILE='${BASH_REMATCH[1]}',\ MASTER_LOG_POS=${BASH_REMATCH[2]}" > change_master_to.sql.in fi - # Check if we need to complete a clone by starting replication. + # 检查我们是否需要通过启动复制来完成克隆。 if [[ -f change_master_to.sql.in ]]; then echo "Waiting for mysqld to be ready (accepting connections)" until mysql -h 127.0.0.1 -e "SELECT 1"; do sleep 1; done @@ -133,11 +134,11 @@ spec: MASTER_PASSWORD='', \ MASTER_CONNECT_RETRY=10; \ START SLAVE;" || exit 1 - # In case of container restart, attempt this at-most-once. + # 如果容器重新启动，最多尝试一次。 mv change_master_to.sql.in change_master_to.sql.orig fi - # Start a server to send backups when requested by peers. + # 当对等点请求时，启动服务器发送备份。 exec ncat --listen --keep-open --send-only --max-conns=1 3307 -c \ "xtrabackup --backup --slave-info --stream=xbstream --host=127.0.0.1 --user=root" volumeMounts: