mirror of https://github.com/docker/docs.git
Review DTR load balancer to add tabs
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Joao Fernandes
Joao Fernandes
parent
cbeace15b8
commit
d6704bb0e3
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@ -72,7 +72,6 @@ queried, and it takes the form:
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},
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// other fields
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}
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}
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```
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Health statuses for the replicas is available in the `"replica_health"` object.
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@ -85,15 +84,20 @@ requires admin credentials, means it is not particularly appropriate for load
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balance checks. Use `/health` instead for those kinds of checks.
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## Load-Balancing Configuration Examples
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## Configuration examples
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Below are sample **nginx**, **haproxy**, and **AWS Elastic Loadbalancer** configuration files that you can use to set up your DTR external load-balancer.
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Use the following examples to configure your load balancer for DTR.
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1. NGINX
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<ul class="nav nav-tabs">
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<li class="active"><a data-toggle="tab" href="#nginx" data-group="nginx">NGINX</a></li>
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<li><a data-toggle="tab" href="#haproxy" data-group="haproxy">HAProxy</a></li>
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<li><a data-toggle="tab" href="#aws">AWS LB</a></li>
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</ul>
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<div class="tab-content">
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<div id="nginx" class="tab-pane fade in active">
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{% highlight nginx %}
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Here is a sample NGINX config. You need to replace the DTR_REPLICA_IPs with your DTR replica IPs. Also if you use non-standard HTTP/HTTPS ports, you need to use those instead.
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```
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user nginx;
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worker_processes 1;
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@ -125,21 +129,14 @@ Below are sample **nginx**, **haproxy**, and **AWS Elastic Loadbalancer** config
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proxy_pass dtr_80;
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}
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}
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```
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You can easily launch NGINX as a container on your designated LB machine using the following command. This assumes that you have `nginx.conf` in current directory.
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```
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docker run -d -p 80:80 -p 443:443 --restart=unless-stopped --name dtr-lb -v ${PWD}/nginx.conf:/etc/nginx/nginx.conf:ro nginx:stable-alpine
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```
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2. HAPROXY
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Here is a sample HAProxy config. You need to change the DTR_REPLICA_IPs and the DTR_FQDN. Also if you use non-standard HTTP/HTTPS ports, you need to use those instead.
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{% endhighlight %}
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</div>
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<div id="haproxy" class="tab-pane fade">
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{% highlight none %}
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```
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global
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log /dev/log local0
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log /dev/log local1 notice
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@ -183,20 +180,14 @@ Below are sample **nginx**, **haproxy**, and **AWS Elastic Loadbalancer** config
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server node01 <DTR_REPLICA_1_IP>:443 weight 100 check check-ssl verify none
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server node02 <DTR_REPLICA_2_IP>:443 weight 100 check check-ssl verify none
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server node03 <DTR_REPLICA_N_IP>:443 weight 100 check check-ssl verify none
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```
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You can easily launch HAProxy as a container on your designated LB machine using the following command. This assumes that you have `haproxy.cfg` in current directory.
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```
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docker run -d -p 443:443 -p 80:80 -p 8181:8181 --restart=unless-stopped --name dtr-lb -v ${PWD}/haproxy.cfg:/usr/local/etc/haproxy/haproxy.cfg:ro haproxy:1.7-alpine haproxy -d -f /usr/local/etc/haproxy/haproxy.cfg
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```
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{% endhighlight %}
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</div>
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<div id="aws" class="tab-pane fade">
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{% highlight json %}
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3. AWS ELB
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Here is a sample configuration for DTR's ELB. You can use aws cli or Console when configuring the ELB.
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```
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{
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"Subnets": [
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"subnet-XXXXXXXX",
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@ -257,11 +248,71 @@ Below are sample **nginx**, **haproxy**, and **AWS Elastic Loadbalancer** config
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"OwnerAlias": "XXXXXXXXXXXX",
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"GroupName": "XXXXXXXXXXXX"
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}
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},
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}
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```
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{% endhighlight %}
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</div>
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</div>
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You can deploy your load balancer using:
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<ul class="nav nav-tabs">
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<li class="active"><a data-toggle="tab" href="#nginx-2" data-group="nginx">NGINX</a></li>
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<li><a data-toggle="tab" href="#haproxy-2" data-group="haproxy">HAProxy</a></li>
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</ul>
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<div class="tab-content">
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<div id="nginx-2" class="tab-pane fade in active">
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{% highlight none %}
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# Create the nginx.conf file, then
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# deploy the load balancer
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docker run --detach \
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--name dtr-lb \
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--restart=unless-stopped \
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--publish 80:80 \
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--publish 443:443 \
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--volume ${PWD}/nginx.conf:/etc/nginx/nginx.conf:ro \
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nginx:stable-alpine
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{% endhighlight %}
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</div>
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<div id="haproxy-2" class="tab-pane fade">
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{% highlight none %}
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# Create the haproxy.cfg file, then
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# deploy the load balancer
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docker run --detach \
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--name dtr-lb \
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--publish 443:443 \
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--publish 80:80 \
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--publish 8181:8181 \
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--restart=unless-stopped \
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--volume ${PWD}/haproxy.cfg:/usr/local/etc/haproxy/haproxy.cfg:ro \
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haproxy:1.7-alpine haproxy -d -f /usr/local/etc/haproxy/haproxy.cfg
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{% endhighlight %}
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</div>
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</div>
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## Where to go next
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* [Backups and disaster recovery](../backups-and-disaster-recovery.md)
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* [DTR architecture](../../architecture.md)
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<script>
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// sync tabs for the same language, so you only have to click once.
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// jquery is only loaded at the footer, so we can't rely on it for the
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// page load event
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window.onload = function() {
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$('.nav-tabs > li > a').click(function(e) {
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var group = $(this).attr('data-group');
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$('.nav-tabs > li > a[data-group="'+ group +'"]').tab('show');
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})
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};
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</script>
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