mirror of https://github.com/easzlab/kubeasz.git
update manifests:es-cluster/mysql-cluster
parent
72012371c3
commit
36af7dd7ed
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@ -10,6 +10,10 @@ metadata:
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name: {{ template "elasticsearch.client.fullname" . }}
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spec:
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replicas: {{ .Values.client.replicas }}
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selector:
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matchLabels:
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app: {{ template "elasticsearch.name" . }}
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component: "{{ .Values.client.name }}"
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template:
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metadata:
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labels:
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@ -61,7 +65,7 @@ spec:
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# see https://www.elastic.co/guide/en/elasticsearch/reference/current/vm-max-map-count.html
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# and https://www.elastic.co/guide/en/elasticsearch/reference/current/setup-configuration-memory.html#mlockall
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- name: "sysctl"
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image: "busybox"
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image: "{{ .Values.image.repository }}:{{ .Values.image.tag }}"
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imagePullPolicy: "Always"
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command: ["sysctl", "-w", "vm.max_map_count=262144"]
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securityContext:
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@ -18,11 +18,9 @@ spec:
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- name: http
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port: 9200
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targetPort: 9200
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nodePort: 29200
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- name: tcp
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port: 9300
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targetPort: 9300
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nodePort: 29300
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selector:
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app: {{ template "elasticsearch.name" . }}
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component: "{{ .Values.client.name }}"
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@ -11,6 +11,10 @@ metadata:
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spec:
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serviceName: {{ template "elasticsearch.data.fullname" . }}
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replicas: {{ .Values.data.replicas }}
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selector:
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matchLabels:
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app: {{ template "elasticsearch.name" . }}
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component: "{{ .Values.data.name }}"
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template:
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metadata:
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labels:
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@ -62,7 +66,7 @@ spec:
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# see https://www.elastic.co/guide/en/elasticsearch/reference/current/vm-max-map-count.html
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# and https://www.elastic.co/guide/en/elasticsearch/reference/current/setup-configuration-memory.html#mlockall
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- name: "sysctl"
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image: "busybox"
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image: "{{ .Values.image.repository }}:{{ .Values.image.tag }}"
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imagePullPolicy: "Always"
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command: ["sysctl", "-w", "vm.max_map_count=262144"]
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securityContext:
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@ -11,6 +11,10 @@ metadata:
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spec:
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serviceName: {{ template "elasticsearch.master.fullname" . }}
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replicas: {{ .Values.master.replicas }}
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selector:
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matchLabels:
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app: {{ template "elasticsearch.name" . }}
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component: "{{ .Values.master.name }}"
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template:
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metadata:
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labels:
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@ -62,7 +66,7 @@ spec:
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# see https://www.elastic.co/guide/en/elasticsearch/reference/current/vm-max-map-count.html
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# and https://www.elastic.co/guide/en/elasticsearch/reference/current/setup-configuration-memory.html#mlockall
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- name: "sysctl"
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image: "busybox"
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image: "{{ .Values.image.repository }}:{{ .Values.image.tag }}"
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imagePullPolicy: "Always"
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command: ["sysctl", "-w", "vm.max_map_count=262144"]
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securityContext:
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@ -1,16 +1,17 @@
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# https://kubernetes.io/docs/tasks/run-application/run-replicated-stateful-application/
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apiVersion: v1
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kind: ConfigMap
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metadata:
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name: mysql
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labels:
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app: mysql
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app.kubernetes.io/name: mysql
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data:
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master.cnf: |
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# Apply this config only on the master.
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primary.cnf: |
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# Apply this config only on the primary.
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[mysqld]
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log-bin
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slave.cnf: |
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# Apply this config only on slaves.
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replica.cnf: |
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# Apply this config only on replicas.
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[mysqld]
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super-read-only
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@ -1,3 +1,4 @@
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# https://kubernetes.io/docs/tasks/run-application/run-replicated-stateful-application/
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# Headless service for stable DNS entries of StatefulSet members.
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apiVersion: v1
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kind: Service
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@ -5,6 +6,7 @@ metadata:
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name: mysql
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labels:
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app: mysql
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app.kubernetes.io/name: mysql
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spec:
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ports:
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- name: mysql
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@ -14,17 +16,18 @@ spec:
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app: mysql
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---
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# Client service for connecting to any MySQL instance for reads.
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# For writes, you must instead connect to the master: mysql-0.mysql.
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# For writes, you must instead connect to the primary: mysql-0.mysql.
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apiVersion: v1
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kind: Service
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metadata:
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name: mysql-read
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labels:
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app: mysql
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app.kubernetes.io/name: mysql
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readonly: "true"
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spec:
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ports:
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- name: mysql
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port: 3306
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selector:
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app: mysql
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@ -1,3 +1,4 @@
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# https://kubernetes.io/docs/tasks/run-application/run-replicated-stateful-application/
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apiVersion: apps/v1
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kind: StatefulSet
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metadata:
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@ -6,12 +7,14 @@ spec:
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selector:
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matchLabels:
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app: mysql
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app.kubernetes.io/name: mysql
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serviceName: mysql
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replicas: 2
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replicas: 2
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template:
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metadata:
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labels:
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app: mysql
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app.kubernetes.io/name: mysql
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spec:
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initContainers:
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- name: init-mysql
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@ -22,16 +25,16 @@ spec:
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- |
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set -ex
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# Generate mysql server-id from pod ordinal index.
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[[ `hostname` =~ -([0-9]+)$ ]] || exit 1
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[[ $HOSTNAME =~ -([0-9]+)$ ]] || exit 1
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ordinal=${BASH_REMATCH[1]}
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echo [mysqld] > /mnt/conf.d/server-id.cnf
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# Add an offset to avoid reserved server-id=0 value.
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echo server-id=$((100 + $ordinal)) >> /mnt/conf.d/server-id.cnf
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# Copy appropriate conf.d files from config-map to emptyDir.
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if [[ $ordinal -eq 0 ]]; then
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cp /mnt/config-map/master.cnf /mnt/conf.d/
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cp /mnt/config-map/primary.cnf /mnt/conf.d/
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else
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cp /mnt/config-map/slave.cnf /mnt/conf.d/
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cp /mnt/config-map/replica.cnf /mnt/conf.d/
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fi
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volumeMounts:
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- name: conf
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@ -48,7 +51,7 @@ spec:
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set -ex
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# Skip the clone if data already exists.
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[[ -d /var/lib/mysql/mysql ]] && exit 0
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# Skip the clone on master (ordinal index 0).
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# Skip the clone on primary (ordinal index 0).
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[[ `hostname` =~ -([0-9]+)$ ]] || exit 1
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ordinal=${BASH_REMATCH[1]}
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[[ $ordinal -eq 0 ]] && exit 0
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@ -106,36 +109,39 @@ spec:
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- |
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set -ex
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cd /var/lib/mysql
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# Determine binlog position of cloned data, if any.
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if [[ -f xtrabackup_slave_info ]]; then
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if [[ -f xtrabackup_slave_info && "x$(<xtrabackup_slave_info)" != "x" ]]; then
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# XtraBackup already generated a partial "CHANGE MASTER TO" query
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# because we're cloning from an existing slave.
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mv xtrabackup_slave_info change_master_to.sql.in
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# because we're cloning from an existing replica. (Need to remove the tailing semicolon!)
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cat xtrabackup_slave_info | sed -E 's/;$//g' > change_master_to.sql.in
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# Ignore xtrabackup_binlog_info in this case (it's useless).
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rm -f xtrabackup_binlog_info
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rm -f xtrabackup_slave_info xtrabackup_binlog_info
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elif [[ -f xtrabackup_binlog_info ]]; then
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# We're cloning directly from master. Parse binlog position.
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# We're cloning directly from primary. Parse binlog position.
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[[ `cat xtrabackup_binlog_info` =~ ^(.*?)[[:space:]]+(.*?)$ ]] || exit 1
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rm xtrabackup_binlog_info
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rm -f xtrabackup_binlog_info xtrabackup_slave_info
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echo "CHANGE MASTER TO MASTER_LOG_FILE='${BASH_REMATCH[1]}',\
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MASTER_LOG_POS=${BASH_REMATCH[2]}" > change_master_to.sql.in
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fi
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# Check if we need to complete a clone by starting replication.
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if [[ -f change_master_to.sql.in ]]; then
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echo "Waiting for mysqld to be ready (accepting connections)"
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until mysql -h 127.0.0.1 -e "SELECT 1"; do sleep 1; done
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echo "Initializing replication from clone position"
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mysql -h 127.0.0.1 \
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-e "$(<change_master_to.sql.in), \
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MASTER_HOST='mysql-0.mysql', \
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MASTER_USER='root', \
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MASTER_PASSWORD='', \
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MASTER_CONNECT_RETRY=10; \
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START SLAVE;" || exit 1
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# In case of container restart, attempt this at-most-once.
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mv change_master_to.sql.in change_master_to.sql.orig
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mysql -h 127.0.0.1 <<EOF
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$(<change_master_to.sql.orig),
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MASTER_HOST='mysql-0.mysql',
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MASTER_USER='root',
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MASTER_PASSWORD='',
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MASTER_CONNECT_RETRY=10;
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START SLAVE;
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EOF
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fi
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# Start a server to send backups when requested by peers.
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exec ncat --listen --keep-open --send-only --max-conns=1 3307 -c \
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"xtrabackup --backup --slave-info --stream=xbstream --host=127.0.0.1 --user=root"
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@ -160,7 +166,7 @@ spec:
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name: data
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spec:
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accessModes: ["ReadWriteOnce"]
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storageClassName: "nfs-db"
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storageClassName: "local-path"
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resources:
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requests:
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storage: 5Gi
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storage: 10Gi
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@ -0,0 +1,28 @@
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apiVersion: apps/v1
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kind: Deployment
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metadata:
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labels:
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app: mycli
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name: mysql-test-client
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spec:
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replicas: 1
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selector:
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matchLabels:
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app: mycli
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template:
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metadata:
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labels:
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app: mycli
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spec:
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containers:
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- name: mycli
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image: mysql:5.7
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command:
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- tail
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- "-f"
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- "/dev/null"
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env:
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- name: TZ
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value: "Asia/Shanghai"
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- name: LANG
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value: "C.UTF-8"
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Loading…
Reference in New Issue