update manifests:es-cluster/mysql-cluster

pull/1292/head
gjmzj 2023-06-01 21:35:50 +08:00
parent 72012371c3
commit 36af7dd7ed
8 changed files with 81 additions and 33 deletions

View File

@ -10,6 +10,10 @@ metadata:
name: {{ template "elasticsearch.client.fullname" . }}
spec:
replicas: {{ .Values.client.replicas }}
selector:
matchLabels:
app: {{ template "elasticsearch.name" . }}
component: "{{ .Values.client.name }}"
template:
metadata:
labels:
@ -61,7 +65,7 @@ spec:
# see https://www.elastic.co/guide/en/elasticsearch/reference/current/vm-max-map-count.html
# and https://www.elastic.co/guide/en/elasticsearch/reference/current/setup-configuration-memory.html#mlockall
- name: "sysctl"
image: "busybox"
image: "{{ .Values.image.repository }}:{{ .Values.image.tag }}"
imagePullPolicy: "Always"
command: ["sysctl", "-w", "vm.max_map_count=262144"]
securityContext:

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@ -18,11 +18,9 @@ spec:
- name: http
port: 9200
targetPort: 9200
nodePort: 29200
- name: tcp
port: 9300
targetPort: 9300
nodePort: 29300
selector:
app: {{ template "elasticsearch.name" . }}
component: "{{ .Values.client.name }}"

View File

@ -11,6 +11,10 @@ metadata:
spec:
serviceName: {{ template "elasticsearch.data.fullname" . }}
replicas: {{ .Values.data.replicas }}
selector:
matchLabels:
app: {{ template "elasticsearch.name" . }}
component: "{{ .Values.data.name }}"
template:
metadata:
labels:
@ -62,7 +66,7 @@ spec:
# see https://www.elastic.co/guide/en/elasticsearch/reference/current/vm-max-map-count.html
# and https://www.elastic.co/guide/en/elasticsearch/reference/current/setup-configuration-memory.html#mlockall
- name: "sysctl"
image: "busybox"
image: "{{ .Values.image.repository }}:{{ .Values.image.tag }}"
imagePullPolicy: "Always"
command: ["sysctl", "-w", "vm.max_map_count=262144"]
securityContext:

View File

@ -11,6 +11,10 @@ metadata:
spec:
serviceName: {{ template "elasticsearch.master.fullname" . }}
replicas: {{ .Values.master.replicas }}
selector:
matchLabels:
app: {{ template "elasticsearch.name" . }}
component: "{{ .Values.master.name }}"
template:
metadata:
labels:
@ -62,7 +66,7 @@ spec:
# see https://www.elastic.co/guide/en/elasticsearch/reference/current/vm-max-map-count.html
# and https://www.elastic.co/guide/en/elasticsearch/reference/current/setup-configuration-memory.html#mlockall
- name: "sysctl"
image: "busybox"
image: "{{ .Values.image.repository }}:{{ .Values.image.tag }}"
imagePullPolicy: "Always"
command: ["sysctl", "-w", "vm.max_map_count=262144"]
securityContext:

View File

@ -1,16 +1,17 @@
# https://kubernetes.io/docs/tasks/run-application/run-replicated-stateful-application/
apiVersion: v1
kind: ConfigMap
metadata:
name: mysql
labels:
app: mysql
app.kubernetes.io/name: mysql
data:
master.cnf: |
# Apply this config only on the master.
primary.cnf: |
# Apply this config only on the primary.
[mysqld]
log-bin
slave.cnf: |
# Apply this config only on slaves.
replica.cnf: |
# Apply this config only on replicas.
[mysqld]
super-read-only

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@ -1,3 +1,4 @@
# https://kubernetes.io/docs/tasks/run-application/run-replicated-stateful-application/
# Headless service for stable DNS entries of StatefulSet members.
apiVersion: v1
kind: Service
@ -5,6 +6,7 @@ metadata:
name: mysql
labels:
app: mysql
app.kubernetes.io/name: mysql
spec:
ports:
- name: mysql
@ -14,17 +16,18 @@ spec:
app: mysql
---
# Client service for connecting to any MySQL instance for reads.
# For writes, you must instead connect to the master: mysql-0.mysql.
# For writes, you must instead connect to the primary: mysql-0.mysql.
apiVersion: v1
kind: Service
metadata:
name: mysql-read
labels:
app: mysql
app.kubernetes.io/name: mysql
readonly: "true"
spec:
ports:
- name: mysql
port: 3306
selector:
app: mysql

View File

@ -1,3 +1,4 @@
# https://kubernetes.io/docs/tasks/run-application/run-replicated-stateful-application/
apiVersion: apps/v1
kind: StatefulSet
metadata:
@ -6,12 +7,14 @@ spec:
selector:
matchLabels:
app: mysql
app.kubernetes.io/name: mysql
serviceName: mysql
replicas: 2
template:
metadata:
labels:
app: mysql
app.kubernetes.io/name: mysql
spec:
initContainers:
- name: init-mysql
@ -22,16 +25,16 @@ spec:
- |
set -ex
# Generate mysql server-id from pod ordinal index.
[[ `hostname` =~ -([0-9]+)$ ]] || exit 1
[[ $HOSTNAME =~ -([0-9]+)$ ]] || exit 1
ordinal=${BASH_REMATCH[1]}
echo [mysqld] > /mnt/conf.d/server-id.cnf
# Add an offset to avoid reserved server-id=0 value.
echo server-id=$((100 + $ordinal)) >> /mnt/conf.d/server-id.cnf
# Copy appropriate conf.d files from config-map to emptyDir.
if [[ $ordinal -eq 0 ]]; then
cp /mnt/config-map/master.cnf /mnt/conf.d/
cp /mnt/config-map/primary.cnf /mnt/conf.d/
else
cp /mnt/config-map/slave.cnf /mnt/conf.d/
cp /mnt/config-map/replica.cnf /mnt/conf.d/
fi
volumeMounts:
- name: conf
@ -48,7 +51,7 @@ spec:
set -ex
# Skip the clone if data already exists.
[[ -d /var/lib/mysql/mysql ]] && exit 0
# Skip the clone on master (ordinal index 0).
# Skip the clone on primary (ordinal index 0).
[[ `hostname` =~ -([0-9]+)$ ]] || exit 1
ordinal=${BASH_REMATCH[1]}
[[ $ordinal -eq 0 ]] && exit 0
@ -106,36 +109,39 @@ spec:
- |
set -ex
cd /var/lib/mysql
# Determine binlog position of cloned data, if any.
if [[ -f xtrabackup_slave_info ]]; then
if [[ -f xtrabackup_slave_info && "x$(<xtrabackup_slave_info)" != "x" ]]; then
# XtraBackup already generated a partial "CHANGE MASTER TO" query
# because we're cloning from an existing slave.
mv xtrabackup_slave_info change_master_to.sql.in
# because we're cloning from an existing replica. (Need to remove the tailing semicolon!)
cat xtrabackup_slave_info | sed -E 's/;$//g' > change_master_to.sql.in
# Ignore xtrabackup_binlog_info in this case (it's useless).
rm -f xtrabackup_binlog_info
rm -f xtrabackup_slave_info xtrabackup_binlog_info
elif [[ -f xtrabackup_binlog_info ]]; then
# We're cloning directly from master. Parse binlog position.
# We're cloning directly from primary. Parse binlog position.
[[ `cat xtrabackup_binlog_info` =~ ^(.*?)[[:space:]]+(.*?)$ ]] || exit 1
rm xtrabackup_binlog_info
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.
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
echo "Initializing replication from clone position"
mysql -h 127.0.0.1 \
-e "$(<change_master_to.sql.in), \
MASTER_HOST='mysql-0.mysql', \
MASTER_USER='root', \
MASTER_PASSWORD='', \
MASTER_CONNECT_RETRY=10; \
START SLAVE;" || exit 1
# In case of container restart, attempt this at-most-once.
mv change_master_to.sql.in change_master_to.sql.orig
mysql -h 127.0.0.1 <<EOF
$(<change_master_to.sql.orig),
MASTER_HOST='mysql-0.mysql',
MASTER_USER='root',
MASTER_PASSWORD='',
MASTER_CONNECT_RETRY=10;
START SLAVE;
EOF
fi
# Start a server to send backups when requested by peers.
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"
@ -160,7 +166,7 @@ spec:
name: data
spec:
accessModes: ["ReadWriteOnce"]
storageClassName: "nfs-db"
storageClassName: "local-path"
resources:
requests:
storage: 5Gi
storage: 10Gi

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@ -0,0 +1,28 @@
apiVersion: apps/v1
kind: Deployment
metadata:
labels:
app: mycli
name: mysql-test-client
spec:
replicas: 1
selector:
matchLabels:
app: mycli
template:
metadata:
labels:
app: mycli
spec:
containers:
- name: mycli
image: mysql:5.7
command:
- tail
- "-f"
- "/dev/null"
env:
- name: TZ
value: "Asia/Shanghai"
- name: LANG
value: "C.UTF-8"