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PoC: initialization of datadir #261

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56 changes: 56 additions & 0 deletions examples/mysql-persistent-template.json
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Original file line number Diff line number Diff line change
Expand Up @@ -119,6 +119,62 @@
}
},
"spec": {
"initContainers": [
{
"name": "mysql-init",
"image": " ",
"command": [ "/usr/bin/run-mysqld", "init" ],
"env": [
{
"name": "MYSQL_USER",
"valueFrom": {
"secretKeyRef" : {
"name" : "${DATABASE_SERVICE_NAME}",
"key" : "database-user"
}
}
},
{
"name": "MYSQL_PASSWORD",
"valueFrom": {
"secretKeyRef" : {
"name" : "${DATABASE_SERVICE_NAME}",
"key" : "database-password"
}
}
},
{
"name": "MYSQL_ROOT_PASSWORD",
"valueFrom": {
"secretKeyRef" : {
"name" : "${DATABASE_SERVICE_NAME}",
"key" : "database-root-password"
}
}
},
{
"name": "MYSQL_DATABASE",
"valueFrom": {
"secretKeyRef" : {
"name" : "${DATABASE_SERVICE_NAME}",
"key" : "database-name"
}
}
}
],
"resources": {
"limits": {
"memory": "${MEMORY_LIMIT}"
}
},
"volumeMounts": [
{
"name": "${DATABASE_SERVICE_NAME}-data",
"mountPath": "/var/lib/mysql/data"
}
]
}
],
"containers": [
{
"name": "mysql",
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6 changes: 6 additions & 0 deletions root-common/usr/bin/run-mysqld
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Original file line number Diff line number Diff line change
@@ -1,5 +1,7 @@
#!/bin/bash

init_only=false && [ "$1" == "init" ] && init_only=true && shift

export_vars=$(cgroup-limits); export $export_vars
source ${CONTAINER_SCRIPTS_PATH}/common.sh
set -eu
Expand All @@ -20,6 +22,10 @@ else
start_local_mysql "$@"
fi

if $init_only; then
exit 0
fi

# set mysql_flags and admin_flagsadmin_flags properly
if [ -z "${MYSQL_ROOT_PASSWORD:-}" ] || is_allowing_connection_with_empty_password; then
mysql_flags="-u root --socket=$MYSQL_LOCAL_SOCKET"
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