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<div id="header">
<h1>Swarm deploy Yaml !</h1>
<div class="details">
<span id="author" class="author">Apostolos rootApostolos@swarmlab.io</span><br>
</div>
<div id="toc" class="toc2">
<div id="toctitle">Πίνακας περιεχομένων</div>
<ul class="sectlevel1">
<li><a href="#_create_swarm_service_yaml">1. Create Swarm Service YAML</a></li>
</ul>
</div>
</div>
<div id="content">
<div id="preamble">
<div class="sectionbody">
<div class="paragraph">
<p><br></p>
</div>
</div>
</div>
<div class="sect1">
<h2 id="_create_swarm_service_yaml">1. Create Swarm Service YAML</h2>
<div class="sectionbody">
<div class="listingblock">
<div class="title">YAML</div>
<div class="content">
<pre class="CodeRay highlight"><code data-lang="yaml"><span class="key">version</span>: <span class="string"><span class="delimiter">&quot;</span><span class="content">3.4</span><span class="delimiter">&quot;</span></span>
<span class="key">services</span>:
<span class="comment"># όνομα υπηρεσίας</span>
<span class="key">master</span>:
<span class="key">image</span>: <span class="string"><span class="content">registry.vlabs.uniwa.gr:5080/swarmlab-service-mpi2</span></span>
<span class="key">user</span>: <span class="string"><span class="content">root</span></span>
<span class="comment"># ENTRYPOINT instruction allows you to configure a container that will run as an executable.</span>
<span class="key">entrypoint</span>: <span class="string"><span class="content">[&quot;mpi_bootstrap&quot;, &quot;role=master&quot;, &quot;mpi_master_service_name=master&quot;, &quot;mpi_worker_service_name=worker&quot;]</span></span>
<span class="comment"># Environment variables (declared with the ENV statement) can also be used in certain instructions as variables to be interpreted by the Dockerfile.</span>
<span class="comment"># https://docs.docker.com/engine/reference/builder/#environment-replacement</span>
<span class="key">environment</span>:
- <span class="string"><span class="content">PASSWORD=padatest</span></span>
- <span class="string"><span class="content">PASSWORDVIEW=padatestview</span></span>
- <span class="string"><span class="content">SERVERROLE=master</span></span>
- <span class="string"><span class="content">SERVERWEB=no</span></span>
<span class="comment"># docker service inspect ondemand_mpi2_master</span>
- <span class="string"><span class="content">NODENAME={{.Node.Hostname}}</span></span>
- <span class="string"><span class="content">NODEID={{.Node.ID}}</span></span>
- <span class="string"><span class="content">SERVICEID={{.Service.ID}}</span></span>
- <span class="string"><span class="content">SERVICENAME={{.Service.Name}}</span></span>
- <span class="string"><span class="content">TASKID={{.Task.ID}}</span></span>
- <span class="string"><span class="content">TASKNAME={{.Task.Name}}</span></span>
- <span class="string"><span class="content">TASKREPID={{.Task.Slot}}</span></span>
<span class="comment"># Specify configuration related to the deployment and running of services.</span>
<span class="key">deploy</span>:
<span class="comment"># If the service is replicated (which is the default), specify the number of containers that should be running at any given time.</span>
<span class="comment"># In global mode, running one replica of service per swarm node. The number of global replicas is equal to the number of swarm nodes. In replica mode, you can run any number of service instances.</span>
<span class="key">replicas</span>: <span class="string"><span class="content">9</span></span>
<span class="key">placement</span>:
<span class="comment"># max_replicas_per_node: 1</span>
<span class="key">constraints</span>:
- <span class="string"><span class="content">node.role == worker</span></span>
<span class="comment"># Configures resource constraints.</span>
<span class="comment"># resources:</span>
<span class="comment"># limits:</span>
<span class="comment"># cpus: '0.50'</span>
<span class="comment"># memory: 500M</span>
<span class="comment"># reservations:</span>
<span class="comment"># cpus: '0.25'</span>
<span class="comment"># memory: 200M</span>
<span class="comment"># Configures how the service should be rollbacked in case of a failing update.</span>
<span class="comment">#</span>
<span class="comment"># parallelism: The number of containers to rollback at a time. If set to 0, all containers rollback simultaneously.</span>
<span class="comment"># delay: The time to wait between each container group’s rollback (default 0s).</span>
<span class="comment"># failure_action: What to do if a rollback fails. One of continue or pause (default pause)</span>
<span class="comment"># monitor: Duration after each task update to monitor for failure (ns|us|ms|s|m|h) (default 0s).</span>
<span class="comment"># max_failure_ratio: Failure rate to tolerate during a rollback (default 0).</span>
<span class="comment"># order: Order of operations during rollbacks. One of stop-first (old task is stopped before starting new one), or start-first (new task is started first, and the running tasks briefly overlap) (default stop-first).</span>
<span class="comment">#</span>
<span class="key">restart_policy</span>:
<span class="key">condition</span>: <span class="string"><span class="content">on-failure</span></span>
<span class="key">delay</span>: <span class="string"><span class="content">5s</span></span>
<span class="key">max_attempts</span>: <span class="string"><span class="content">5</span></span>
<span class="key">window</span>: <span class="string"><span class="content">120s</span></span>
<span class="comment">#Configures how the service should be updated. Useful for configuring rolling updates.</span>
<span class="comment">#</span>
<span class="comment"># parallelism: The number of containers to update at a time.</span>
<span class="comment"># delay: The time to wait between updating a group of containers.</span>
<span class="comment"># failure_action: What to do if an update fails. One of continue, rollback, or pause (default: pause).</span>
<span class="comment"># monitor: Duration after each task update to monitor for failure (ns|us|ms|s|m|h) (default 0s).</span>
<span class="comment"># max_failure_ratio: Failure rate to tolerate during an update.</span>
<span class="comment"># order: Order of operations during updates. One of stop-first (old task is stopped before starting new one), or start-first (new task is started first, and the running tasks briefly overlap) (default stop-first) Note: Only supported for v3.4 and higher.</span>
<span class="comment">#</span>
<span class="comment">#</span>
<span class="key">update_config</span>:
<span class="key">parallelism</span>: <span class="string"><span class="content">2</span></span>
<span class="key">delay</span>: <span class="string"><span class="content">10s</span></span>
<span class="key">order</span>: <span class="string"><span class="content">stop-first</span></span>
<span class="key">networks</span>:
<span class="key">mpi2-net</span>:
<span class="key">volumes</span>:
- <span class="string"><span class="content">mpi3_vol:/var/share</span></span>
<span class="key">ports</span>:
- <span class="string"><span class="delimiter">&quot;</span><span class="content">55520:80</span><span class="delimiter">&quot;</span></span>
- <span class="string"><span class="delimiter">&quot;</span><span class="content">55521:8088</span><span class="delimiter">&quot;</span></span>
- <span class="string"><span class="delimiter">&quot;</span><span class="content">55522:6088</span><span class="delimiter">&quot;</span></span>
- <span class="string"><span class="delimiter">&quot;</span><span class="content">55523:6080</span><span class="delimiter">&quot;</span></span>
<span class="key">worker</span>:
<span class="key">image</span>: <span class="string"><span class="content">registry.vlabs.uniwa.gr:5080/swarmlab-service-mpi2</span></span>
<span class="key">user</span>: <span class="string"><span class="content">root</span></span>
<span class="key">entrypoint</span>: <span class="string"><span class="content">[&quot;mpi_bootstrap&quot;, &quot;role=worker&quot;, &quot;mpi_master_service_name=master&quot;, &quot;mpi_worker_service_name=worker&quot;]</span></span>
<span class="key">environment</span>:
- <span class="string"><span class="content">SERVERROLE=worker</span></span>
- <span class="string"><span class="content">SERVERWEB=no</span></span>
- <span class="string"><span class="content">NODENAME={{.Node.Hostname}}</span></span>
- <span class="string"><span class="content">NODEID={{.Node.ID}}</span></span>
- <span class="string"><span class="content">SERVICEID={{.Service.ID}}</span></span>
- <span class="string"><span class="content">SERVICENAME={{.Service.Name}}</span></span>
- <span class="string"><span class="content">TASKID={{.Task.ID}}</span></span>
- <span class="string"><span class="content">TASKNAME={{.Task.Name}}</span></span>
- <span class="string"><span class="content">TASKREPID={{.Task.Slot}}</span></span>
<span class="key">deploy</span>:
<span class="key">replicas</span>: <span class="string"><span class="content">5</span></span>
<span class="key">placement</span>:
<span class="comment"># max_replicas_per_node: 1</span>
<span class="key">constraints</span>:
- <span class="string"><span class="content">node.role == worker</span></span>
<span class="comment">#- node.id == ${worker}</span>
<span class="comment"># resources:</span>
<span class="comment"># limits:</span>
<span class="comment"># cpus: '0.50'</span>
<span class="comment"># memory: 500M</span>
<span class="comment"># reservations:</span>
<span class="comment"># cpus: '0.25'</span>
<span class="comment"># memory: 200M</span>
<span class="key">restart_policy</span>:
<span class="key">condition</span>: <span class="string"><span class="content">on-failure</span></span>
<span class="key">delay</span>: <span class="string"><span class="content">5s</span></span>
<span class="key">max_attempts</span>: <span class="string"><span class="content">5</span></span>
<span class="key">window</span>: <span class="string"><span class="content">120s</span></span>
<span class="key">update_config</span>:
<span class="key">parallelism</span>: <span class="string"><span class="content">2</span></span>
<span class="key">delay</span>: <span class="string"><span class="content">10s</span></span>
<span class="key">order</span>: <span class="string"><span class="content">stop-first</span></span>
<span class="key">networks</span>:
<span class="key">mpi2-net</span>:
<span class="key">volumes</span>:
- <span class="string"><span class="content">mpi3_vol:/var/share</span></span>
<span class="key">web</span>:
<span class="key">image</span>: <span class="string"><span class="content">registry.vlabs.uniwa.gr:5080/swarmlab-service-sshfs</span></span>
<span class="key">user</span>: <span class="string"><span class="content">root</span></span>
<span class="key">entrypoint</span>: <span class="string"><span class="content">[&quot;mpi_bootstrap&quot;, &quot;role=worker&quot;, &quot;mpi_master_service_name=master&quot;, &quot;mpi_worker_service_name=worker&quot;]</span></span>
<span class="key">environment</span>:
- <span class="string"><span class="content">SERVERROLE=worker</span></span>
- <span class="string"><span class="content">SERVERWEB=yes</span></span>
- <span class="string"><span class="content">NODENAME={{.Node.Hostname}}</span></span>
- <span class="string"><span class="content">NODEID={{.Node.ID}}</span></span>
- <span class="string"><span class="content">SERVICEID={{.Service.ID}}</span></span>
- <span class="string"><span class="content">SERVICENAME={{.Service.Name}}</span></span>
- <span class="string"><span class="content">TASKID={{.Task.ID}}</span></span>
- <span class="string"><span class="content">TASKNAME={{.Task.Name}}</span></span>
- <span class="string"><span class="content">TASKREPID={{.Task.Slot}}</span></span>
<span class="key">deploy</span>:
<span class="key">replicas</span>: <span class="string"><span class="content">1</span></span>
<span class="key">placement</span>:
<span class="key">constraints</span>:
- <span class="string"><span class="content">node.role == worker</span></span>
<span class="key">resources</span>:
<span class="key">limits</span>:
<span class="key">cpus</span>: <span class="string"><span class="content">'0.50'</span></span>
<span class="key">memory</span>: <span class="string"><span class="content">500M</span></span>
<span class="key">reservations</span>:
<span class="key">cpus</span>: <span class="string"><span class="content">'0.25'</span></span>
<span class="key">memory</span>: <span class="string"><span class="content">200M</span></span>
<span class="key">restart_policy</span>:
<span class="key">condition</span>: <span class="string"><span class="content">on-failure</span></span>
<span class="key">delay</span>: <span class="string"><span class="content">5s</span></span>
<span class="key">max_attempts</span>: <span class="string"><span class="content">5</span></span>
<span class="key">window</span>: <span class="string"><span class="content">120s</span></span>
<span class="key">update_config</span>:
<span class="key">parallelism</span>: <span class="string"><span class="content">2</span></span>
<span class="key">delay</span>: <span class="string"><span class="content">10s</span></span>
<span class="key">order</span>: <span class="string"><span class="content">stop-first</span></span>
<span class="key">networks</span>:
<span class="key">mpi2-net</span>:
<span class="key">ports</span>:
- <span class="string"><span class="delimiter">&quot;</span><span class="content">55519:80</span><span class="delimiter">&quot;</span></span>
<span class="comment">#Creates a new network. The DRIVER accepts bridge or overlay which are the built-in network drivers.</span>
<span class="comment">#Bridge networks are isolated networks on a single Engine installation. If you want to create a network that spans multiple Docker hosts each running an Engine, you must create an overlay network. Unlike bridge networks, overlay networks require some pre-existing conditions before you can create one.</span>
<span class="comment">#</span>
<span class="key">networks</span>:
<span class="key">mpi2-net</span>:
<span class="comment">#Mount host paths or named volumes</span>
<span class="comment">#Creates a new volume that containers can consume and store data in.</span>
<span class="key">volumes</span>:
<span class="key">mpi3_vol</span>:
<span class="key">external</span>: <span class="string"><span class="content">false</span></span></code></pre>
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