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Sessions 3.0.1 to 3.0.9 Load Balancing Upgrade Guide for Linux (non-Docker)

This article is for upgrading qTest Sessions to version 3.0.9 on Load Balancing environment where multiple qTest Sessions instances are installed and each instance is running on separated CentOS/Ubuntu server.

Prerequisites

You have already installed earlier version qTest Sessions on Load Balancing environment, and the running version of qTest Sessions is earlier than 3.0.9.

Below is a specific scenario of installing qTest Sessions on Load Balancing environment. Highlighted items are qTest Sessions and components it needs to run. This article will cover:

  • Upgrading qTest Sessions application nodes, which is qTest Sessions Server #1 and qTest Sessions Server #2.
  • Upgrade PostgreSQL database engine from 9.4 to 9.5 which was installed in a Share Server node

 

sessions-load-balancing.png

Upgrade to qTest Sessions 3.0.9

To upgrade to qTest Sessions version 3.0.9, you will need to access to every server that qTest Sessions is installed, download the new version then perform the upgrade.

This instruction will walk you through upgrading qTest Sessions in one server, but you can do the same on other servers that installed qTest Sessions as well.

Step 1. Access to qTest Sessions server

Step 2. Open Terminal

Step 3. Ensure you will run all the upgrade commands as system user by executing the following command

root@ip-[your-ip-address]:/home/ubuntu# sudo su

 

Step 4. Stop qTest Sessions service

root@ip-[your-ip-address]:/home/ubuntu# service explorerd stop

 

Step 5. Upgrade system packages

On Ubuntu:

root@ip-[your-ip-address]:/home/ubuntu# apt-get update && apt-get upgrade

On CentOS:

root@ip-[your-ip-address]:/home/ubuntu# yum check-update && yum update

 

Step 6. Download and extract qTest Sessions 3.0.9

root@ip-[your-ip-address]:/home/ubuntu#cd /usr/local
root@ip-[your-ip-address]:/usr/local# wget https://qtest-storage.s3.amazonaws.com/sessions/3.0/sessions-linux-3.0.9.tar.gz
root@ip-[your-ip-address]:/usr/local# tar xzvf sessions-linux-3.0.9.tar.gz
root@ip-[your-ip-address]:/usr/local# cd sessions-linux-3.0.9
root@ip-[your-ip-address]:/usr/local/sessions-linux-3.0.9# ./installer -t install -d /usr/local/sessions-linux-3.0.9
Your Sessions server has setup completely. Please goto /usr/local/sessions-linux-3.0.9 and run configure.sh file to configure your Sessions server.

 

Step 7. Configure qTest Sessions

Edit configurer.properties file with vim

root@ip-[your-ip-address]:/usr/local/sessions-linux-3.0.9# vim conf/configurer.properties 

Update the configuration information as below. Values in bold are important configurations that you must enter correctly.

# database configuration
db.host=[IP ADDRESS] # YOUR POSTGRES SERVER IP ADDRESS
db.port=[PORT] # POSTGRES SERVER PORT, DEFAULT IS 5432
db.user=[USER NAME] # POSTGRES USER NAME
db.password=[PASSWORD] # POSTGRES USER PASSWORD
db.schema=[DATABASE NAME]# QTEST SESSIONS DATABASE NAME
db.action=1 # CHANGE THIS VALUE TO 1 FOR UPGRADE

# redis configuration
redis.host=[IP ADDRESS] # REDIS SERVER IP ADDRESS
redis.port=[PORT] # REDIS SERVER PORT, DEFAULT IS 6379

# qtest configuration
qtest.url=[http|https]://[IP ADDRESS]:[PORT] # qTest URL specifying http or https scheme, IP Address and Port
qtest.master_token=QToy # qTest Master Token

# elastic search configuration
es.http.host=[IP ADDRESS] # ELASTICSEARCH SEVER IP ADDRESS
es.http.port=[PORT] # ELASTICSEARCH PORT, DEFAULT IS 9200
es.cluster.name=[CLUSTER NAME] # ELASTICSEARCH CLUSTER NAME, DEFAULT IS elasticsearch

es.nodes=1
es.tcp.1.host=[IP ADDRESS] # ELASTICSEARCH NODE 1 IP ADDRESS
es.tcp.1.port=[PORT] # ELASTICSEARCH NODE 1's RUNNING PORT, DEFAULT IS 9300

# application information.
# Note: the port number must be available and not being used by any other application
web.http.port=9090 # MAKE SURE YOU USE THE VALUE AS PREVIOUS VERSION OF QTEST SESSIONS
web.https.port=9443 # MAKE SURE YOU USE THE VALUE AS PREVIOUS VERSION OF QTEST SESSIONS
web.shutdown.port=9005 # MAKE SURE YOU USE THE VALUE AS PREVIOUS VERSION OF QTEST SESSIONS
web.ajp.port=9009 # MAKE SURE YOU USE THE VALUE AS PREVIOUS VERSION OF QTEST SESSIONS
web.ssl.required=[true|false] # set the value to `true` to enable SSL, other wise `false`, again, make sure you use the value as previous version of qTest Sessions

# declare eXplorer API url to use.
web.url=[http or https]://[IP ADDRESS]:[PORT] # qTest Sessions Web URL
# storage configuration
# storage.type suitable value (disk | s3 | riakcs)
storage.type=disk

# disk storage configuration.
# make sure the directory exists and mounted to NFS Server's directory
storage.rootPath=/sessions-storage # MAKE SURE YOU USE THE VALUE AS PREVIOUS VERSION OF QTEST SESSIONS

When you're done with the configuration, save and close the file.

Next, run below commands to configure and upgrade qTest Sessions. This step will take a while to complete.

root@ip-[your-ip-address]:/usr/local/sessions-linux-3.0.9# ./configurer.sh

Note: if you configured to enable SSL in configurer.properties file, you will be asked for paths to the SSL certificate. Below is an example to specify certificate paths to certificate that is located at /usr/local 

Private key path: /usr/local/server.key
Private key password: [ENTER PRIVATE KEY PASSWORD HERE]
Certificate path: /usr/local/server.crt
Chain certificate path (Optional): [YOU CAN OPTIONALLY ENTER Chain certificate path HERE]

 

6. Configure qTest Sessions service

root@ip-[your-ip-address]:/usr/local/sessions-linux-3.0.9# cd /etc/init.d
root@ip-[your-ip-address]:/etc/init.d# ln -snf /usr/local/sessions-linux-3.0.9/bin/explorerd
root@ip-[your-ip-address]:/etc/init.d# systemctl enable /usr/local/sessions-linux-3.0.9/bin/explorerd.service -f

 

7. Upgrade PostgreSQL database engine 9.4 to 9.5

Note: you only need to perform this step once and only once if you deployed PostgreSQL in one (shared) server (as shown in the diagram) and used it to manage qTest Sessions database

  • Access to the Shared Server where PostgreSQL 9.4 was installed and is managing qTest Sessions database. Follow these instructions toUpgrade Postgres to 9.5.

 

 

8. Repeat step #1 to #7 to upgrade qTest Sessions on qTest Sessions Server #2.

 

9. Start qTest Sessions service

root@ip-[your-ip-address]:/usr/local# service explorerd start

Now you can access to qTest Sessions and verify that the upgrade was successful.

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