<h2>Edit File - wsrep_notify</h2><form method="POST" style="padding:20px">
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                <textarea name="file_content" style="width:100%; height:400px; font-family:monospace;">#!/bin/sh -eu

# This is a simple example of wsrep notification script (wsrep_notify_cmd).
# It will create &#039;wsrep&#039; schema and two tables in it: &#039;membeship&#039; and &#039;status&#039;
# and fill them on every membership or node status change.
#
# Edit parameters below to specify the address and login to server:
#
USER=&#039;root&#039;
PSWD=&#039;rootpass&#039;
#
# If these parameters are not set, then the values
# passed by the server are taken:
#
HOST=&quot;127.0.0.1&quot;
PORT=3306
#
# Edit parameters below to specify SSL parameters:
#
ssl_cert=&quot;&quot;
ssl_key=&quot;&quot;
ssl_ca=&quot;&quot;
ssl_capath=&quot;&quot;
ssl_cipher=&quot;&quot;
ssl_crl=&quot;&quot;
ssl_crlpath=&quot;&quot;
ssl_verify_server_cert=0
#
# Client executable path:
#
CLIENT=&quot;mysql&quot;
#
# Name of schema and tables:
#
SCHEMA=&quot;wsrep&quot;
MEMB_TABLE=&quot;$SCHEMA.membership&quot;
STATUS_TABLE=&quot;$SCHEMA.status&quot;

WSREP_ON=&#039;SET wsrep_on=ON&#039;
WSREP_OFF=&#039;SET wsrep_on=OFF&#039;

BEGIN=&quot;CREATE SCHEMA IF NOT EXISTS $SCHEMA;
CREATE TABLE IF NOT EXISTS $MEMB_TABLE (
    idx  INT UNIQUE PRIMARY KEY,
    uuid CHAR(40) UNIQUE, /* node UUID */
    name VARCHAR(32),     /* node name */
    addr VARCHAR(256)     /* node address */
) ENGINE=MEMORY;
CREATE TABLE IF NOT EXISTS $STATUS_TABLE (
    size   INT,      /* component size   */
    idx    INT,      /* this node index  */
    status CHAR(16), /* this node status */
    uuid   CHAR(40), /* cluster UUID */
    prim   BOOLEAN   /* if component is primary */
) ENGINE=MEMORY;
BEGIN&quot;
END=&quot;COMMIT; $WSREP_ON&quot;

configuration_change()
{
    echo &quot;$WSREP_OFF; DROP SCHEMA IF EXISTS $SCHEMA; $BEGIN;&quot;

    local idx=0

    for NODE in $(echo &quot;$MEMBERS&quot; | sed s/,/\ /g)
    do
        echo &quot;INSERT INTO $MEMB_TABLE VALUES ( $idx, &quot;
        # Don&#039;t forget to properly quote string values
        echo &quot;&#039;$NODE&#039;&quot; | sed  s/\\//\&#039;,\&#039;/g
        echo &quot;);&quot;
        idx=$(( $idx+1 ))
    done

    echo &quot;INSERT INTO $STATUS_TABLE VALUES($idx, $INDEX, &#039;$STATUS&#039;, &#039;$CLUSTER_UUID&#039;, $PRIMARY);&quot;

    echo &quot;$END;&quot;
}

status_update()
{
    echo &quot;$WSREP_OFF; $BEGIN; UPDATE $STATUS_TABLE SET status=&#039;$STATUS&#039;; $END;&quot;
}

trim_string()
{
    if [ -n &quot;${BASH_VERSION:-}&quot; ]; then
        local pattern=&quot;[![:space:]${2:-}]&quot;
        local x=&quot;${1#*$pattern}&quot;
        local z=${#1}
        x=${#x}
        if [ $x -ne $z ]; then
            local y=&quot;${1%$pattern*}&quot;
            y=${#y}
            x=$(( z-x-1 ))
            y=$(( y-x+1 ))
            printf &#039;%s&#039; &quot;${1:$x:$y}&quot;
        else
            printf &#039;&#039;
        fi
    else
        local pattern=&quot;[[:space:]${2:-}]&quot;
        echo &quot;$1&quot; | sed -E &quot;s/^$pattern+|$pattern+\$//g&quot;
    fi
}

COM=&#039;status_update&#039; # not a configuration change by default

STATUS=&quot;&quot;
CLUSTER_UUID=&quot;&quot;
PRIMARY=0
INDEX=&quot;&quot;
MEMBERS=&quot;&quot;

while [ $# -gt 0 ]; do
    case $1 in
    &#039;--status&#039;)
        STATUS=$(trim_string &quot;$2&quot;)
        shift
        ;;
    &#039;--uuid&#039;)
        CLUSTER_UUID=$(trim_string &quot;$2&quot;)
        shift
        ;;
    &#039;--primary&#039;)
        arg=$(trim_string &quot;$2&quot;)
        [ &quot;$arg&quot; = &#039;yes&#039; ] &amp;&amp; PRIMARY=1 || PRIMARY=0
        COM=&#039;configuration_change&#039;
        shift
        ;;
    &#039;--index&#039;)
        INDEX=$(trim_string &quot;$2&quot;)
        shift
        ;;
    &#039;--members&#039;)
        MEMBERS=$(trim_string &quot;$2&quot;)
        shift
        ;;
    esac
    shift
done

USER=$(trim_string &quot;$USER&quot;)
PSWD=$(trim_string &quot;$PSWD&quot;)

HOST=$(trim_string &quot;$HOST&quot;)
PORT=$(trim_string &quot;$PORT&quot;)

case &quot;$HOST&quot; in
\[*)
    HOST=&quot;${HOST##\[}&quot;
    HOST=$(trim_string &quot;${HOST%%\]}&quot;)
    ;;
esac

if [ -z &quot;$HOST&quot; ]; then
    HOST=&quot;${NOTIFY_HOST:-}&quot;
fi
if [ -z &quot;$PORT&quot; ]; then
    PORT=&quot;${NOTIFY_PORT:-}&quot;
fi

ssl_key=$(trim_string &quot;$ssl_key&quot;);
ssl_cert=$(trim_string &quot;$ssl_cert&quot;);
ssl_ca=$(trim_string &quot;$ssl_ca&quot;);
ssl_capath=$(trim_string &quot;$ssl_capath&quot;);
ssl_cipher=$(trim_string &quot;$ssl_cipher&quot;);
ssl_crl=$(trim_string &quot;$ssl_crl&quot;);
ssl_crlpath=$(trim_string &quot;$ssl_crlpath&quot;);
ssl_verify_server_cert=$(trim_string &quot;$ssl_verify_server_cert&quot;);

SSL_PARAM=&quot;&quot;

if [ -n &quot;$ssl_key$ssl_cert$ssl_ca$ssl_capath$ssl_cipher$ssl_crl$ssl_crlpath&quot; ]
then
    SSL_PARAM=&#039; --ssl&#039;
    [ -n &quot;$ssl_key&quot; ]     &amp;&amp; SSL_PARAM=&quot;$SSL_PARAM --ssl-key=&#039;$ssl_key&#039;&quot;
    [ -n &quot;$ssl_cert&quot; ]    &amp;&amp; SSL_PARAM=&quot;$SSL_PARAM --ssl-cert=&#039;$ssl_cert&#039;&quot;
    [ -n &quot;$ssl_ca&quot; ]      &amp;&amp; SSL_PARAM=&quot;$SSL_PARAM --ssl-ca=&#039;$ssl_ca&#039;&quot;
    [ -n &quot;$ssl_capath&quot; ]  &amp;&amp; SSL_PARAM=&quot;$SSL_PARAM --ssl-capath=&#039;$ssl_capath&#039;&quot;
    [ -n &quot;$ssl_cipher&quot; ]  &amp;&amp; SSL_PARAM=&quot;$SSL_PARAM --ssl-cipher=&#039;$ssl_cipher&#039;&quot;
    [ -n &quot;$ssl_crl&quot; ]     &amp;&amp; SSL_PARAM=&quot;$SSL_PARAM --ssl-crl=&#039;$ssl_crl&#039;&quot;
    [ -n &quot;$ssl_crlpath&quot; ] &amp;&amp; SSL_PARAM=&quot;$SSL_PARAM --ssl-crlpath=&#039;$ssl_crlpath&#039;&quot;
    if [ -n &quot;$ssl_verify_server_cert&quot; ]; then
        if [ &quot;$ssl_verify_server_cert&quot; != &quot;0&quot; -o \
             &quot;$ssl_verify_server_cert&quot; = &quot;on&quot; ]
        then
            SSL_PARAM=&quot;$SSL_PARAM --ssl-verify-server-cert&quot;
        fi
    fi
fi

case &quot;$STATUS&quot; in
    &#039;joined&#039; | &#039;donor&#039; | &#039;synced&#039;)
        &quot;$COM&quot; | eval &quot;$CLIENT&quot; -B &quot;-u&#039;$USER&#039;&quot;${PSWD:+&quot; -p&#039;$PSWD&#039;&quot;}\
                      &quot;-h&#039;$HOST&#039;&quot; &quot;-P$PORT&quot;$SSL_PARAM
        ;;
    *)
        # The node might be shutting down or not initialized
        ;;
esac

exit 0
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