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<p><a href="elma365-on-premises.html">BRIX On-Premises</a> > <a href="infrastructure-preparation.html">Prepare infrastructure</a> > Load balancer / Install HAProxy </p>
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<div class="topic__title"><h1 class="p_Heading1"><span class="f_Heading1">Install HAProxy </span></h1>
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<p class="p_Normal">HAProxy is a tool for ensuring high availability and load balancing. In the BRIX system, HAProxy is employed to build a resilient architecture for organizing a highly available BRIX cluster. The necessary HAProxy configuration is chosen based on the architecture being established. This article divides the HAProxy configuration into a basic setup (the HAProxy service config) and configurations for balancing BRIX components, which can be added to the HAProxy config alongside the basic section.</p>
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<p class="p_Normal">The installation consists of 3 steps:</p>
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<ol style="list-style-type:decimal">
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<li value="1" class="p_Normal"><a href="haproxy-load-balance.html#install-haproxy" class="topiclink">Install HAProxy</a>.</li><li value="2" class="p_Normal"><a href="haproxy-load-balance.html#set-up-haproxy-configuration" class="topiclink">Configure basic HAProxy settings</a>.</li><li value="3" class="p_Normal"><a href="haproxy-load-balance.html#add-configurations" class="topiclink">Add configurations for balancing BRIX components</a>.</li></ol>
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<h2 class="p_Heading2"><a id="install-haproxy" class="hmanchor"></a><span class="f_Heading2">Step 1: Install HAProxy</span></h2>
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<ol style="list-style-type:upper-roman">
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<li value="1" class="p_Normal">Install HAProxy using the following command:</li></ol>
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<p class="p_CodeExample" style="page-break-inside: avoid;"><span class="f_CodeExample">sudo apt install haproxy -y</span></p>
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<ol style="list-style-type:upper-roman" start="2">
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<li value="2" class="p_Normal">Start the HAProxy service and enable it at boot:</li></ol>
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<p class="p_CodeExample" style="page-break-inside: avoid;"><span class="f_CodeExample">sudo systemctl enable --now haproxy</span></p>
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<h2 class="p_Heading2"><a id="set-up-haproxy-configuration" class="hmanchor"></a><span class="f_Heading2">Step 2: Configure basic HAProxy settings</span></h2>
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<ol style="list-style-type:upper-roman">
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<li value="1" class="p_Normal">Move the default configuration file:</li></ol>
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<p class="p_CodeExample" style="page-break-inside: avoid;"><span class="f_CodeExample">sudo mv /etc/haproxy/haproxy.cfg{,.original}</span></p>
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<ol style="list-style-type:upper-roman" start="2">
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<li value="2" class="p_Normal">Create and open a new configuration file for editing:</li></ol>
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<p class="p_CodeExample" style="page-break-inside: avoid;"><span class="f_CodeExample">sudo nano /etc/haproxy/haproxy.cfg</span></p>
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<p class="p_Normal">The basic section of the configuration file describes the parameters of the HAProxy server, such as the operating mode, timeouts, connection counts, enabling the web interface, and more. The provided example includes the necessary configuration for the HAProxy server to function. For more details about the parameters used, refer to the <a href="http://docs.haproxy.org/" class="weblink">official HAProxy documentation</a>.</p>
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<p class="p_Normal"><a class="dropdown-toggle" style="font-style: normal; font-weight: normal; color: #000000; background-color: transparent; text-decoration: none;" href="javascript:HMToggle('toggle','TOGGLE0186A1')">Example basic HAProxy configuration for the haproxy.cfg file</a></p>
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<div id="TOGGLE0186A1" class="dropdown-toggle-body" style="text-align: left; text-indent: 0; line-height: 1.80; padding: 0 0 0 0; margin: 0 0 0 0;"><table style="border:none; border-spacing:0;">
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<tr>
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<td style="vertical-align:top; padding:0; border:none"><p class="p_CodeExample" style="page-break-inside: avoid;"><span class="f_CodeExample">global</span><br />
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<span class="f_CodeExample" style="color: #ffffff;"> </span><span class="f_CodeExample">maxconn 100000</span><br />
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<span class="f_CodeExample" style="color: #ffffff;"> </span><span class="f_CodeExample">log /dev/log local0</span><br />
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<span class="f_CodeExample" style="color: #ffffff;"> </span><span class="f_CodeExample">log /dev/log local1</span><span class="f_CodeExample" style="color: #ffffff;"> </span><span class="f_CodeExample">notice</span><br />
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<span class="f_CodeExample" style="color: #ffffff;"> </span><span class="f_CodeExample">chroot /var/lib/haproxy</span><br />
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<span class="f_CodeExample" style="color: #ffffff;"> </span><span class="f_CodeExample">stats socket /run/haproxy/admin.sock</span><span class="f_CodeExample" style="color: #ffffff;"> </span><span class="f_CodeExample">mode 660 level admin expose-fd listeners</span><br />
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<span class="f_CodeExample" style="color: #ffffff;"> </span><span class="f_CodeExample">stats timeout 30s</span><br />
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<span class="f_CodeExample" style="color: #ffffff;"> </span><span class="f_CodeExample">user haproxy</span><br />
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<span class="f_CodeExample" style="color: #ffffff;"> </span><span class="f_CodeExample">group haproxy</span><br />
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<span class="f_CodeExample" style="color: #ffffff;"> </span><span class="f_CodeExample">daemon</span><br />
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<span class="f_CodeExample"> </span><br />
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<span class="f_CodeExample">defaults</span><br />
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<span class="f_CodeExample" style="color: #ffffff;"> </span><span class="f_CodeExample">mode tcp</span><br />
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<span class="f_CodeExample" style="color: #ffffff;"> </span><span class="f_CodeExample">log global</span><br />
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<span class="f_CodeExample" style="color: #ffffff;"> </span><span class="f_CodeExample">retries 2</span><br />
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<span class="f_CodeExample" style="color: #ffffff;"> </span><span class="f_CodeExample">timeout queue 5s</span><br />
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<span class="f_CodeExample" style="color: #ffffff;"> </span><span class="f_CodeExample">timeout connect 5s</span><br />
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<span class="f_CodeExample" style="color: #ffffff;"> </span><span class="f_CodeExample">timeout</span><span class="f_CodeExample" style="color: #ffffff;"> </span><span class="f_CodeExample">client 60m</span><br />
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<span class="f_CodeExample" style="color: #ffffff;"> </span><span class="f_CodeExample">timeout server 60m</span><br />
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<span class="f_CodeExample" style="color: #ffffff;"> </span><span class="f_CodeExample">timeout check 15s</span><br />
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<span class="f_CodeExample"> </span><br />
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<span class="f_CodeExample">listen stats</span><br />
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<span class="f_CodeExample" style="color: #ffffff;"> </span><span class="f_CodeExample">mode http</span><br />
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<span class="f_CodeExample" style="color: #ffffff;"> </span><span class="f_CodeExample">bind haproxy-server.your_domain:7000</span><br />
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<span class="f_CodeExample" style="color: #ffffff;"> </span><span class="f_CodeExample">stats enable</span><br />
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<span class="f_CodeExample" style="color: #ffffff;"> </span><span class="f_CodeExample">stats uri /</span><br />
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<span class="f_CodeExample"> </span><br />
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<span class="f_CodeExample">### Web BRIX ###</span><br />
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<span class="f_CodeExample">### Web BRIX ###</span><br />
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<span class="f_CodeExample"> </span><br />
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<span class="f_CodeExample">### PostgreSQL ###</span><br />
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<span class="f_CodeExample">### PostgreSQL ###</span><br />
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<span class="f_CodeExample"> </span><br />
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<span class="f_CodeExample">### Redis ###</span><br />
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<span class="f_CodeExample">### Redis ###</span><br />
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<span class="f_CodeExample"> </span><br />
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<span class="f_CodeExample">### RabbitMQ ###</span><br />
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<span class="f_CodeExample">### RabbitMQ ###</span><br />
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<span class="f_CodeExample"> </span><br />
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<span class="f_CodeExample">### S3 MinIO ###</span><br />
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<span class="f_CodeExample">### S3 MinIO ###</span><br />
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<span class="f_CodeExample"> </span><br />
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<span class="f_CodeExample">### Docs Server ###</span><br />
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<span class="f_CodeExample">### Docs Server ###</span></p>
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</td>
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</tr>
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</table>
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<ol style="list-style-type:upper-roman" start="3">
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<li value="3" class="p_Normal">Restart HAProxy:</li></ol>
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<p class="p_CodeExample" style="page-break-inside: avoid;"><span class="f_CodeExample">sudo systemctl restart haproxy</span></p>
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<h2 class="p_Heading2"><a id="add-configurations" class="hmanchor"></a><span class="f_Heading2">Step 3: Add configurations for balancing BRIX components</span></h2>
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<p class="p_Normal">Configurations for BRIX components are added to the <code><b>haproxy.cfg</b></code> file as needed. </p>
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<p class="p_Normal">Depending on the architecture being built, you can add the following configurations:</p>
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<ul style="list-style-type:disc">
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<li class="p_Normal"><a href="haproxy-postgresql.html" class="topiclink">HAProxy for PostgreSQL</a>.</li><li class="p_Normal"><a href="haproxy-rabbitmq.html" class="topiclink">HAProxy for RabbitMQ</a></li><li class="p_Normal"><a href="haproxy-s3-minio.html" class="topiclink">HAProxy for S3 Minio</a>.</li><li class="p_Normal"><a href="haproxy-web-elma365.html" class="topiclink">HAProxy for BRIX web</a>.</li><li class="p_Normal"><a href="haproxy-docs-server.html" class="topiclink">HAProxy for document server</a>.</li></ul>
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<script src="./TypoReporter.min.js"></script>
|
||
<script src="./google-search.js"></script>
|
||
<script src="./main.js"></script>
|
||
<script type="text/javascript">
|
||
HMInitToggle('TOGGLE0186A1','hm.type','dropdown','hm.state','0');
|
||
</script>
|
||
</body>
|
||
|
||
</html>
|