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changes with respect to current docker syntax for IP detection #2

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022a48f
--fixed all issues
kklepper Mar 25, 2016
723f99b
--cleaned up
kklepper Mar 25, 2016
977c428
--added comments
kklepper Mar 25, 2016
e4c01a8
--more cleaning
kklepper Mar 25, 2016
560a670
--get rid of MySQL warnings
kklepper Mar 25, 2016
3413cfd
--open port 80
kklepper Mar 25, 2016
2b4f3d4
--added note public IP
kklepper Mar 25, 2016
80df31b
--added comment for missing css file
kklepper Mar 25, 2016
82be2f0
--typo
kklepper Mar 26, 2016
a1ddce8
--show success for haproxy web by container ID
kklepper Mar 29, 2016
140a3fc
--beautyfied
kklepper Mar 29, 2016
a9968b9
--once more
kklepper Mar 29, 2016
60d79c7
--still better
kklepper Mar 29, 2016
8b4c480
--clarified
kklepper Mar 29, 2016
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95 changes: 59 additions & 36 deletions docker
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Original file line number Diff line number Diff line change
@@ -1,115 +1,138 @@
#!/bin/bash
#~/kklepper/docker-wordpress$ nano docker

# to get rid of MySQL warnings "Warning: Using a password on the command line interface can be insecure."

echo
echo "Create credentials"

credentialsFile=~/.docker-wordpress-credentials.cnf
echo "[client]" > $credentialsFile
echo "user=root" >> $credentialsFile
echo "password=root" >> $credentialsFile


echo
echo "Create MySQL Tier"
echo "-----------------"
echo "* Create MySQL01"

MYSQL01=$(docker run -d paulczar/mysql mysqld_safe --server-id=1 --log-bin=mysql-bin --log-slave-updates=1 --auto_increment_increment=2 --auto_increment_offset=1)
MYSQL01_IP=$(docker inspect $MYSQL01 | grep IPAd | awk -F'"' '{print $4}')
MYSQL01=$(docker run -d --name m1 paulczar/mysql mysqld_safe --server-id=1 --log-bin=mysql-bin --log-slave-updates=1 --auto_increment_increment=2 --auto_increment_offset=1)
MYSQL01_IP=$(docker inspect -f '{{ .NetworkSettings.Networks.bridge.IPAddress }}' $MYSQL01)
# new docker syntax

echo "* Create MySQL02"

MYSQL02=$(docker run -d paulczar/mysql mysqld_safe --server-id=2 --log-bin=mysql-bin --log-slave-updates=1 --auto_increment_increment=2 --auto_increment_offset=2)
MYSQL02_IP=$(docker inspect $MYSQL02 | grep IPAd | awk -F'"' '{print $4}')
MYSQL02=$(docker run -d --name m2 paulczar/mysql mysqld_safe --server-id=2 --log-bin=mysql-bin --log-slave-updates=1 --auto_increment_increment=2 --auto_increment_offset=2)
MYSQL02_IP=$(docker inspect -f '{{ .NetworkSettings.Networks.bridge.IPAddress }}' $MYSQL02)
# new docker syntax

echo "* Sleep for two seconds for servers to come online..."
sleep 2

echo "* Creat replication user"

mysql -uroot -proot -h $MYSQL01_IP -AN -e 'GRANT REPLICATION SLAVE ON *.* TO "replication"@"%" IDENTIFIED BY "password";'
mysql -uroot -proot -h $MYSQL01_IP -AN -e 'flush privileges;'
echo "* Create replication user"

mysql --defaults-extra-file=$credentialsFile -h $MYSQL01_IP -AN -e 'GRANT REPLICATION SLAVE ON *.* TO "replication"@"%" IDENTIFIED BY "password";'
mysql --defaults-extra-file=$credentialsFile -h $MYSQL01_IP -AN -e 'flush privileges;'

echo "* Export Data from MySQL01 to MySQL02"

mysqldump -uroot -proot -h $MYSQL01_IP --single-transaction --all-databases \
--flush-privileges | mysql -uroot -proot -h $MYSQL02_IP
mysqldump --defaults-extra-file=$credentialsFile -h $MYSQL01_IP --single-transaction --all-databases \
--flush-privileges | mysql --defaults-extra-file=$credentialsFile -h $MYSQL02_IP

echo "* Set MySQL01 as master on MySQL02"

MYSQL01_Position=$(mysql -uroot -proot -h $MYSQL01_IP -e "show master status \G" | grep Position | awk '{print $2}')
MYSQL01_File=$(mysql -uroot -proot -h $MYSQL01_IP -e "show master status \G" | grep File | awk '{print $2}')
MYSQL01_Position=$(mysql --defaults-extra-file=$credentialsFile -h $MYSQL01_IP -e "show master status \G" | grep Position | awk '{print $2}')
MYSQL01_File=$(mysql --defaults-extra-file=$credentialsFile -h $MYSQL01_IP -e "show master status \G" | grep File | awk '{print $2}')

mysql -uroot -proot -h $MYSQL02_IP -AN -e "CHANGE MASTER TO master_host='$MYSQL01_IP', master_port=3306, \
mysql --defaults-extra-file=$credentialsFile -h $MYSQL02_IP -AN -e "CHANGE MASTER TO master_host='$MYSQL01_IP', master_port=3306, \
master_user='replication', master_password='password', master_log_file='$MYSQL01_File', \
master_log_pos=$MYSQL01_Position;"

echo "* Set MySQL02 as master on MySQL01"

MYSQL02_Position=$(mysql -uroot -proot -h $MYSQL02_IP -e "show master status \G" | grep Position | awk '{print $2}')
MYSQL02_File=$(mysql -uroot -proot -h $MYSQL02_IP -e "show master status \G" | grep File | awk '{print $2}')
MYSQL02_Position=$(mysql --defaults-extra-file=$credentialsFile -h $MYSQL02_IP -e "show master status \G" | grep Position | awk '{print $2}')
MYSQL02_File=$(mysql --defaults-extra-file=$credentialsFile -h $MYSQL02_IP -e "show master status \G" | grep File | awk '{print $2}')

mysql -uroot -proot -h $MYSQL01_IP -AN -e "CHANGE MASTER TO master_host='$MYSQL02_IP', master_port=3306, \
mysql --defaults-extra-file=$credentialsFile -h $MYSQL01_IP -AN -e "CHANGE MASTER TO master_host='$MYSQL02_IP', master_port=3306, \
master_user='replication', master_password='password', master_log_file='$MYSQL02_File', \
master_log_pos=$MYSQL02_Position;"

echo "* Start Slave on both Servers"
mysql -uroot -proot -h $MYSQL01_IP -AN -e "start slave;"
mysql -uroot -proot -h $MYSQL02_IP -AN -e "start slave;"
mysql --defaults-extra-file=$credentialsFile -h $MYSQL01_IP -AN -e "start slave;"
mysql --defaults-extra-file=$credentialsFile -h $MYSQL02_IP -AN -e "start slave;"

echo "* Create database 'wordpress' on MySQL01"

mysql -uroot -proot -h $MYSQL01_IP -e "create database wordpress;"
mysql --defaults-extra-file=$credentialsFile -h $MYSQL01_IP -e "create database wordpress;"

echo "* Load up Site SQL data"

mysql -uroot -proot -h $MYSQL01_IP wordpress < wordpress.sql
mysql --defaults-extra-file=$credentialsFile -h $MYSQL01_IP wordpress < wordpress.sql

echo "* Sleep 2 seconds, then check that database 'wordpress' exists on MySQL02"

sleep 2
mysql -uroot -proot -h $MYSQL02_IP -e "show databases; \G" | grep wordpress
mysql --defaults-extra-file=$credentialsFile -h $MYSQL02_IP -e "show databases; \G" | grep wordpress

echo
echo "Create MySQL Load Balancer"
echo "--------------------------"

echo "* Create HAProxy-MySQL"

mysql -uroot -proot -h $MYSQL01_IP -AN -e "GRANT USAGE ON *.* TO 'haproxy'@'%';"
mysql --defaults-extra-file=$credentialsFile -h $MYSQL01_IP -AN -e "GRANT USAGE ON *.* TO 'haproxy'@'%';"

HAPROXY_MYSQL=$(docker run -d paulczar/haproxy-mysql /haproxy/start "$MYSQL01_IP:3306,$MYSQL02_IP:3306")
HAPROXY_MYSQL_IP=$(docker inspect $HAPROXY_MYSQL | grep IPAd | awk -F'"' '{print $4}')
HAPROXY_MYSQL_IP=$(docker inspect -f '{{ .NetworkSettings.Networks.bridge.IPAddress }}' $HAPROXY_MYSQL)
# new docker syntax

echo "* Check our haproxy works"
echo " (should show alternating server_id)"

mysql -uroot -proot -h $HAPROXY_MYSQL_IP -e 'show variables like "server_id"' | grep server_id
mysql -uroot -proot -h $HAPROXY_MYSQL_IP -e 'show variables like "server_id"' | grep server_id
mysql -uroot -proot -h $HAPROXY_MYSQL_IP -e 'show variables like "server_id"' | grep server_id
mysql -uroot -proot -h $HAPROXY_MYSQL_IP -e 'show variables like "server_id"' | grep server_id
mysql --defaults-extra-file=$credentialsFile -h $HAPROXY_MYSQL_IP -e 'show variables like "server_id"' | grep server_id
mysql --defaults-extra-file=$credentialsFile -h $HAPROXY_MYSQL_IP -e 'show variables like "server_id"' | grep server_id
mysql --defaults-extra-file=$credentialsFile -h $HAPROXY_MYSQL_IP -e 'show variables like "server_id"' | grep server_id
mysql --defaults-extra-file=$credentialsFile -h $HAPROXY_MYSQL_IP -e 'show variables like "server_id"' | grep server_id

echo
echo "Create Wordpress Web Servers"
echo "------------------------"

echo "* Create WordPress01"
WORDPRESS1=$(docker run -d paulczar/apache2-wordpress /wordpress/start $HAPROXY_MYSQL_IP)
WORDPRESS1_IP=$(docker inspect $WORDPRESS1 | grep IPAd | awk -F'"' '{print $4}')
WORDPRESS1_IP=$(docker inspect -f '{{ .NetworkSettings.Networks.bridge.IPAddress }}' $WORDPRESS1)
# new docker syntax

echo "* Create WordPress02"
WORDPRESS2=$(docker run -d paulczar/apache2-wordpress /wordpress/start $HAPROXY_MYSQL_IP)
WORDPRESS2_IP=$(docker inspect $WORDPRESS2 | grep IPAd | awk -F'"' '{print $4}')
WORDPRESS2_IP=$(docker inspect -f '{{ .NetworkSettings.Networks.bridge.IPAddress }}' $WORDPRESS2)
# new docker syntax

echo
echo "Create Web Load Balancer"
echo "--------------------------"

echo "* Create HAProxy-Web"
HAPROXY_WEB=$(docker run -d paulczar/haproxy-web /haproxy/start "$WORDPRESS1_IP:80,$WORDPRESS2_IP:80")
HAPROXY_WEB_IP=$(docker inspect $HAPROXY_WEB | grep IPAd | awk -F'"' '{print $4}')

echo "* Check it works"

curl -s http://$HAPROXY_WEB_IP/phpinfo.php | grep "PHP API"
HAPROXY_WEB=$(docker run -p 80:80 -d paulczar/haproxy-web /haproxy/start "$WORDPRESS1_IP:80,$WORDPRESS2_IP:80")
HAPROXY_WEB_IP=$(docker inspect -f '{{ .NetworkSettings.Networks.bridge.IPAddress }}' $HAPROXY_WEB)
# new docker syntax

echo "* Check it works ------------ (should show alternating container id) ----------"
curl -s http://$HAPROXY_WEB_IP/phpinfo.php | grep "HOSTNAME" | awk '{print $4}' | awk -F\> '{printf "container ID (HOSTNAME): %s\n", $2}'
curl -s http://$HAPROXY_WEB_IP/phpinfo.php | grep "HOSTNAME" | awk '{print $4}' | awk -F\> '{printf "container ID (HOSTNAME): %s\n", $2}'
curl -s http://$HAPROXY_WEB_IP/phpinfo.php | grep "HOSTNAME" | awk '{print $4}' | awk -F\> '{printf "container ID (HOSTNAME): %s\n", $2}'
curl -s http://$HAPROXY_WEB_IP/phpinfo.php | grep "HOSTNAME" | awk '{print $4}' | awk -F\> '{printf "container ID (HOSTNAME): %s\n", $2}'
#curl -s http://$HAPROXY_WEB_IP/phpinfo.php | grep "PHP API"

echo "--------------------"
echo "Environment Created!"
echo "--------------------"
echo
echo "Browse to http://$HAPROXY_WEB_IP to access your wordpress site"
echo "Browse to http://$HAPROXY_WEB_IP"
echo "--- or to your public IP to access your wordpress site"
echo "--- may look bad due to incorrect link to wordpress css file: "
echo "--- http://wordpress/wp-content/themes/twentythirteen/style.css?ver=2013-07-18"
echo
echo Variables available fo you :-
echo
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