Installing Graph plugin for Kibana

To install the Graph plugin for Kibana, you need to run bin/kibana plugin --install from the /opt/kibana directory with superuser permissions:

cd /opt/kibana
sudo bin/kibana plugin --install elasticsearch/graph/latest

Installing Graph on Offline Machines

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The Elasticsearch bin/plugin script and bin/kibana plugin require Internet access to download and install the License and Graph plugins. If your server doesn’t have Internet access, you can manually download and install the plugins.

To install Graph on a machine that doesn’t have Internet access:

Manually download the License and Graph binaries:
Transfer the archive files to a temporary directory on the offline machine. (Do NOT put the archive files in the Elasticsearch plugins directory.)

Specify the archive files when you run bin/plugin and bin/kibana. For example:

[elasticsearch base directory]/bin/plugin install file:///path/to/file/license-2.4.6.zip
[elasticsearch base directory]/bin/plugin install file:///path/to/file/graph-2.4.6.zip

[kibana base directory]/bin/kibana plugin --install graph --url file:///path/to/file/graph-2.4.6.tar.gz

You must specify an absolute path to the zip file after the file:// protocol.

Using Graph with Shield

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If you are using Shield to secure your Elasticsearch cluster, you need to follow the instructions in Using Kibana 4 with Shield to set up user authentication and secure communications.

Upgrading Graph

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When upgrading Graph, you must upgrade the Graph plugin on every node. You do not need to fully shut down your production cluster to perform the upgrade, you can perform a rolling upgrade.

You must run the version of Graph that matches the version of Elasticsearch you are running. For example, Graph 2.4.6 requires Elasticsearch 2.4.6.

To upgrade Graph:

Disable shard reallocation on the nodes you are monitoring. While this is optional, it enables a faster startup after cluster shutdown. If you don’t disable shard reallocation, the nodes immediately start trying to replicate shards to each other on startup and spend a lot of time on wasted I/O. With shard reallocation disabled, the nodes join the cluster with their indices intact and do not attempt to rebalance. After startup is complete, you can turn reallocation back on.
```
curl -XPUT localhost:9200/_cluster/settings -d '{
  "transient" : {
    "cluster.routing.allocation.enable" : "none"
  }
}'
```
Upgrade each node, one at a time:
1. Stop Elasticsearch.
2. Remove the old version of the Graph plugin from Elasticsearch:
```
bin/plugin remove graph
```
3. Install the latest version of the Graph plugin:
```
bin/plugin install graph
```
4. Start Elasticsearch and confirm that the node rejoins the cluster and that there are no errors in the logs.

When you’ve upgraded all of the nodes in the cluster, reenable shard allocation:

curl -XPUT localhost:9200/_cluster/settings -d '{
  "transient" : {
      "cluster.routing.allocation.enable" : "all"
  }
}'

Upgrade the Graph Kibana app:
1. Stop Kibana.
2. Remove the old version of the Graph app:
```
bin/kibana plugin --remove graph
```
3. Install the new version of the Graph app:
```
bin/kibana plugin --install elasticsearch/graph/latest
```
4. Restart Kibana by running bin/kibana.

Uninstalling Graph

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To uninstall Graph:

Shut down Elasticsearch and Kibana.
Remove the Graph plugin from Elasticsearch:
```
bin/plugin remove graph
```
Remove the Graph Kibana app:
```
bin/kibana plugin --remove graph
```
Restart Elasticsearch and Kibana.

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