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<div class="section" id="mongodb-kanister-blueprint">
<h1>MongoDB Kanister Blueprint<a class="headerlink" href="#mongodb-kanister-blueprint" title="Permalink to this headline">¶</a></h1>
<p>The below blueprint is the actual blueprint used to backup and restore
MongoDB at the time this documentation was generated.</p>
<div class="highlight-yaml"><table class="highlighttable"><tr><td class="linenos"><div class="linenodiv"><pre> 1
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130</pre></div></td><td class="code"><div class="highlight"><pre><span></span><span class="l l-Scalar l-Scalar-Plain">actions</span><span class="p p-Indicator">:</span>
<span class="l l-Scalar l-Scalar-Plain">backup</span><span class="p p-Indicator">:</span> <span class="nl">&BACKUP</span>
<span class="l l-Scalar l-Scalar-Plain">type</span><span class="p p-Indicator">:</span> <span class="l l-Scalar l-Scalar-Plain">StatefulSet</span>
<span class="l l-Scalar l-Scalar-Plain">phases</span><span class="p p-Indicator">:</span>
<span class="p p-Indicator">-</span> <span class="l l-Scalar l-Scalar-Plain">func</span><span class="p p-Indicator">:</span> <span class="l l-Scalar l-Scalar-Plain">KubeExec</span>
<span class="l l-Scalar l-Scalar-Plain">name</span><span class="p p-Indicator">:</span> <span class="l l-Scalar l-Scalar-Plain">takeConsistentBackup</span>
<span class="l l-Scalar l-Scalar-Plain">args</span><span class="p p-Indicator">:</span>
<span class="p p-Indicator">-</span> <span class="s">"{{</span><span class="nv"> </span><span class="s">.StatefulSet.Namespace</span><span class="nv"> </span><span class="s">}}"</span>
<span class="p p-Indicator">-</span> <span class="s">"{{</span><span class="nv"> </span><span class="s">index</span><span class="nv"> </span><span class="s">.StatefulSet.Pods</span><span class="nv"> </span><span class="s">0</span><span class="nv"> </span><span class="s">}}"</span>
<span class="p p-Indicator">-</span> <span class="l l-Scalar l-Scalar-Plain">kanister-sidecar</span>
<span class="p p-Indicator">-</span> <span class="l l-Scalar l-Scalar-Plain">bash</span>
<span class="p p-Indicator">-</span> <span class="l l-Scalar l-Scalar-Plain">-o</span>
<span class="p p-Indicator">-</span> <span class="l l-Scalar l-Scalar-Plain">errexit</span>
<span class="p p-Indicator">-</span> <span class="l l-Scalar l-Scalar-Plain">-c</span>
<span class="p p-Indicator">-</span> <span class="p p-Indicator">|</span>
<span class="no">host="{{ index .StatefulSet.Pods 0 }}.{{ .StatefulSet.Name }}.{{ .StatefulSet.Namespace }}.svc.cluster.local"</span>
<span class="no">primary=$(mongo --host ${host} --eval "db.isMaster()['primary']" | tail -n1 | cut -d ':' -f1)</span>
<span class="no">mongodb-consistent-backup -H ${primary} -P 27017 -n mongo-backup \</span>
<span class="no">-l /var/lib/mongodb-consistent-backup 2> /var/log/kanister.log</span>
<span class="no">readlink -f /var/lib/mongodb-consistent-backup/mongo-backup/latest</span>
<span class="p p-Indicator">-</span> <span class="l l-Scalar l-Scalar-Plain">func</span><span class="p p-Indicator">:</span> <span class="l l-Scalar l-Scalar-Plain">KubeExec</span>
<span class="l l-Scalar l-Scalar-Plain">name</span><span class="p p-Indicator">:</span> <span class="l l-Scalar l-Scalar-Plain">pushToBlobStore</span>
<span class="l l-Scalar l-Scalar-Plain">args</span><span class="p p-Indicator">:</span>
<span class="p p-Indicator">-</span> <span class="s">"{{</span><span class="nv"> </span><span class="s">.StatefulSet.Namespace</span><span class="nv"> </span><span class="s">}}"</span>
<span class="p p-Indicator">-</span> <span class="s">"{{</span><span class="nv"> </span><span class="s">index</span><span class="nv"> </span><span class="s">.StatefulSet.Pods</span><span class="nv"> </span><span class="s">0</span><span class="nv"> </span><span class="s">}}"</span>
<span class="p p-Indicator">-</span> <span class="l l-Scalar l-Scalar-Plain">kanister-sidecar</span>
<span class="p p-Indicator">-</span> <span class="l l-Scalar l-Scalar-Plain">bash</span>
<span class="p p-Indicator">-</span> <span class="l l-Scalar l-Scalar-Plain">-o</span>
<span class="p p-Indicator">-</span> <span class="l l-Scalar l-Scalar-Plain">errexit</span>
<span class="p p-Indicator">-</span> <span class="l l-Scalar l-Scalar-Plain">-c</span>
<span class="p p-Indicator">-</span> <span class="p p-Indicator">|</span>
<span class="no">base=$(basename "{{ .Artifact.stdout }}")-$(date +"%s")</span>
<span class="no">bucket_name=${KANISTER_BUCKET:-"mongo.kasten.io"}</span>
<span class="no">file="{{ .Artifact.stdout }}/rs0.tar"</span>
<span class="no">cloud_path="s3://${bucket_name}/backups/{{ .StatefulSet.Name }}/${base}/rs0.tar"</span>
<span class="no">cmd=(aws s3 cp)</span>
<span class="no">if [[ ${AWS_ACCESS_KEY_ID} =~ GOOG* ]]</span>
<span class="no">then</span>
<span class="no">cmd=(aws --endpoint https://storage.googleapis.com s3 cp)</span>
<span class="no">fi</span>
<span class="no">${cmd[@]} ${file} ${cloud_path} > /dev/null 2>> /var/log/kanister.log</span>
<span class="no">echo ${cloud_path}</span>
<span class="l l-Scalar l-Scalar-Plain">manualSnapshot</span><span class="p p-Indicator">:</span>
<span class="l l-Scalar l-Scalar-Plain"><<</span><span class="p p-Indicator">:</span> <span class="nv">*BACKUP</span>
<span class="l l-Scalar l-Scalar-Plain">snapshot</span><span class="p p-Indicator">:</span>
<span class="l l-Scalar l-Scalar-Plain"><<</span><span class="p p-Indicator">:</span> <span class="nv">*BACKUP</span>
<span class="l l-Scalar l-Scalar-Plain">delete</span><span class="p p-Indicator">:</span>
<span class="l l-Scalar l-Scalar-Plain">type</span><span class="p p-Indicator">:</span> <span class="l l-Scalar l-Scalar-Plain">StatefulSet</span>
<span class="l l-Scalar l-Scalar-Plain">phases</span><span class="p p-Indicator">:</span>
<span class="p p-Indicator">-</span> <span class="l l-Scalar l-Scalar-Plain">func</span><span class="p p-Indicator">:</span> <span class="l l-Scalar l-Scalar-Plain">KubeExec</span>
<span class="l l-Scalar l-Scalar-Plain">name</span><span class="p p-Indicator">:</span> <span class="l l-Scalar l-Scalar-Plain">removeFromObjectStore</span>
<span class="l l-Scalar l-Scalar-Plain">args</span><span class="p p-Indicator">:</span>
<span class="p p-Indicator">-</span> <span class="s">"{{</span><span class="nv"> </span><span class="s">.StatefulSet.Namespace</span><span class="nv"> </span><span class="s">}}"</span>
<span class="p p-Indicator">-</span> <span class="s">"{{</span><span class="nv"> </span><span class="s">index</span><span class="nv"> </span><span class="s">.StatefulSet.Pods</span><span class="nv"> </span><span class="s">0</span><span class="nv"> </span><span class="s">}}"</span>
<span class="p p-Indicator">-</span> <span class="l l-Scalar l-Scalar-Plain">kanister-sidecar</span>
<span class="p p-Indicator">-</span> <span class="l l-Scalar l-Scalar-Plain">bash</span>
<span class="p p-Indicator">-</span> <span class="l l-Scalar l-Scalar-Plain">-o</span>
<span class="p p-Indicator">-</span> <span class="l l-Scalar l-Scalar-Plain">errexit</span>
<span class="p p-Indicator">-</span> <span class="l l-Scalar l-Scalar-Plain">-c</span>
<span class="p p-Indicator">-</span> <span class="p p-Indicator">|</span>
<span class="no">cloud_path="{{ .Artifact.stdout }}"</span>
<span class="no">cmd=(aws s3 rm)</span>
<span class="no">if [[ ${AWS_ACCESS_KEY_ID} =~ GOOG* ]]</span>
<span class="no">then</span>
<span class="no">cmd=(aws --endpoint https://storage.googleapis.com s3 rm)</span>
<span class="no">fi</span>
<span class="no">${cmd[@]} ${cloud_path} >> /var/log/kanister.log 2>> /var/log/kanister.log</span>
<span class="l l-Scalar l-Scalar-Plain">restore</span><span class="p p-Indicator">:</span>
<span class="l l-Scalar l-Scalar-Plain">type</span><span class="p p-Indicator">:</span> <span class="l l-Scalar l-Scalar-Plain">StatefulSet</span>
<span class="l l-Scalar l-Scalar-Plain">phases</span><span class="p p-Indicator">:</span>
<span class="p p-Indicator">-</span> <span class="l l-Scalar l-Scalar-Plain">func</span><span class="p p-Indicator">:</span> <span class="l l-Scalar l-Scalar-Plain">ScaleStatefulSet</span>
<span class="l l-Scalar l-Scalar-Plain">name</span><span class="p p-Indicator">:</span> <span class="l l-Scalar l-Scalar-Plain">scaleDown</span>
<span class="l l-Scalar l-Scalar-Plain">args</span><span class="p p-Indicator">:</span>
<span class="p p-Indicator">-</span> <span class="s">"{{</span><span class="nv"> </span><span class="s">.StatefulSet.Namespace</span><span class="nv"> </span><span class="s">}}"</span>
<span class="p p-Indicator">-</span> <span class="s">"{{</span><span class="nv"> </span><span class="s">.StatefulSet.Name</span><span class="nv"> </span><span class="s">}}"</span>
<span class="p p-Indicator">-</span> <span class="l l-Scalar l-Scalar-Plain">0</span>
<span class="p p-Indicator">-</span> <span class="l l-Scalar l-Scalar-Plain">func</span><span class="p p-Indicator">:</span> <span class="l l-Scalar l-Scalar-Plain">DeleteGeneratedResources</span>
<span class="l l-Scalar l-Scalar-Plain">name</span><span class="p p-Indicator">:</span> <span class="l l-Scalar l-Scalar-Plain">deleteVolumes</span>
<span class="l l-Scalar l-Scalar-Plain">args</span><span class="p p-Indicator">:</span>
<span class="p p-Indicator">-</span> <span class="l l-Scalar l-Scalar-Plain">pvc</span>
<span class="p p-Indicator">-</span> <span class="s">"{{</span><span class="nv"> </span><span class="s">.StatefulSet.Namespace</span><span class="nv"> </span><span class="s">}}"</span>
<span class="p p-Indicator">-</span> <span class="s">"{{</span><span class="nv"> </span><span class="s">range</span><span class="nv"> </span><span class="s">.StatefulSet.PVCS</span><span class="nv"> </span><span class="s">}}{{range</span><span class="nv"> </span><span class="s">.</span><span class="nv"> </span><span class="s">}}{{.ClaimName}}</span><span class="nv"> </span><span class="s">{{end}}{{end}}"</span>
<span class="p p-Indicator">-</span> <span class="l l-Scalar l-Scalar-Plain">func</span><span class="p p-Indicator">:</span> <span class="l l-Scalar l-Scalar-Plain">ScaleStatefulSet</span>
<span class="l l-Scalar l-Scalar-Plain">name</span><span class="p p-Indicator">:</span> <span class="l l-Scalar l-Scalar-Plain">scaleUp</span>
<span class="l l-Scalar l-Scalar-Plain">args</span><span class="p p-Indicator">:</span>
<span class="p p-Indicator">-</span> <span class="s">"{{</span><span class="nv"> </span><span class="s">.StatefulSet.Namespace</span><span class="nv"> </span><span class="s">}}"</span>
<span class="p p-Indicator">-</span> <span class="s">"{{</span><span class="nv"> </span><span class="s">.StatefulSet.Name</span><span class="nv"> </span><span class="s">}}"</span>
<span class="p p-Indicator">-</span> <span class="l l-Scalar l-Scalar-Plain">3</span>
<span class="p p-Indicator">-</span> <span class="l l-Scalar l-Scalar-Plain">func</span><span class="p p-Indicator">:</span> <span class="l l-Scalar l-Scalar-Plain">KubeExec</span>
<span class="l l-Scalar l-Scalar-Plain">name</span><span class="p p-Indicator">:</span> <span class="l l-Scalar l-Scalar-Plain">pullFromBlobStore</span>
<span class="l l-Scalar l-Scalar-Plain">args</span><span class="p p-Indicator">:</span>
<span class="p p-Indicator">-</span> <span class="s">"{{</span><span class="nv"> </span><span class="s">.StatefulSet.Namespace</span><span class="nv"> </span><span class="s">}}"</span>
<span class="p p-Indicator">-</span> <span class="s">"{{</span><span class="nv"> </span><span class="s">index</span><span class="nv"> </span><span class="s">.StatefulSet.Pods</span><span class="nv"> </span><span class="s">0</span><span class="nv"> </span><span class="s">}}"</span>
<span class="p p-Indicator">-</span> <span class="l l-Scalar l-Scalar-Plain">kanister-sidecar</span>
<span class="p p-Indicator">-</span> <span class="l l-Scalar l-Scalar-Plain">bash</span>
<span class="p p-Indicator">-</span> <span class="l l-Scalar l-Scalar-Plain">-o</span>
<span class="p p-Indicator">-</span> <span class="l l-Scalar l-Scalar-Plain">errexit</span>
<span class="p p-Indicator">-</span> <span class="l l-Scalar l-Scalar-Plain">-c</span>
<span class="p p-Indicator">-</span> <span class="p p-Indicator">|</span>
<span class="no">pushd $(mktemp -d) > /dev/null</span>
<span class="no">cmd=(aws s3 cp)</span>
<span class="no">if [[ ${AWS_ACCESS_KEY_ID} =~ GOOG* ]]</span>
<span class="no">then</span>
<span class="no">cmd=(aws --endpoint https://storage.googleapis.com s3 cp)</span>
<span class="no">fi</span>
<span class="no">${cmd[@]} {{ .Artifact.stdout }} . > /dev/null 2> /var/log/kanister.log</span>
<span class="no">find $(pwd) -name rs0.tar</span>
<span class="p p-Indicator">-</span> <span class="l l-Scalar l-Scalar-Plain">func</span><span class="p p-Indicator">:</span> <span class="l l-Scalar l-Scalar-Plain">KubeExec</span>
<span class="l l-Scalar l-Scalar-Plain">name</span><span class="p p-Indicator">:</span> <span class="l l-Scalar l-Scalar-Plain">recoverDB</span>
<span class="l l-Scalar l-Scalar-Plain">args</span><span class="p p-Indicator">:</span>
<span class="p p-Indicator">-</span> <span class="s">"{{</span><span class="nv"> </span><span class="s">.StatefulSet.Namespace</span><span class="nv"> </span><span class="s">}}"</span>
<span class="p p-Indicator">-</span> <span class="s">"{{</span><span class="nv"> </span><span class="s">index</span><span class="nv"> </span><span class="s">.StatefulSet.Pods</span><span class="nv"> </span><span class="s">0</span><span class="nv"> </span><span class="s">}}"</span>
<span class="p p-Indicator">-</span> <span class="l l-Scalar l-Scalar-Plain">kanister-sidecar</span>
<span class="p p-Indicator">-</span> <span class="l l-Scalar l-Scalar-Plain">bash</span>
<span class="p p-Indicator">-</span> <span class="l l-Scalar l-Scalar-Plain">-o</span>
<span class="p p-Indicator">-</span> <span class="l l-Scalar l-Scalar-Plain">errexit</span>
<span class="p p-Indicator">-</span> <span class="l l-Scalar l-Scalar-Plain">-c</span>
<span class="p p-Indicator">-</span> <span class="p p-Indicator">|</span>
<span class="no">pushd $(mktemp -d)</span>
<span class="no">tar xvf {{ .Artifact.stdout }} 2>> /var/log/kanister.log</span>
<span class="no">find . -name "*.gz" -exec gunzip {} \+ 2>> /var/log/kanister.log</span>
<span class="no">host="{{ index .StatefulSet.Pods 0 }}.{{ .StatefulSet.Name }}.{{ .StatefulSet.Namespace }}.svc.cluster.local"</span>
<span class="no">primary=$(mongo --host ${host} --eval "db.isMaster()['primary']" | tail -n1 | cut -f 1 -d ':')</span>
<span class="no">echo $host</span>
<span class="no">echo $primary</span>
<span class="no">mongorestore \</span>
<span class="no">--host ${primary} \</span>
<span class="no">--port 27017 \</span>
<span class="no">--drop --oplogReplay \</span>
<span class="no">--dir ./rs0/dump 2>> /var/log/kanister.log</span>
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