204 lines
6.4 KiB
Plaintext
204 lines
6.4 KiB
Plaintext
[[plugin-management]]
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== Plugin Management
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The `plugin` script is used to install, list, and remove plugins. It is
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located in the `$ES_HOME/bin` directory by default but it may be in a
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different location depending on which Elasticsearch package you installed:
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* {ref}/zip-targz.html#zip-targz-layout[Directory layout of `.zip` and `.tar.gz` archives]
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* {ref}/deb.html#deb-layout[Directory layout of Debian package]
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* {ref}/rpm.html#rpm-layout[Directory layout of RPM]
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Run the following command to get usage instructions:
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[source,shell]
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-----------------------------------
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sudo bin/elasticsearch-plugin -h
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-----------------------------------
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[IMPORTANT]
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.Running as root
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=====================
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If Elasticsearch was installed using the deb or rpm package then run
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`/usr/share/elasticsearch-plugin` as `root` so it can write to the appropriate files on disk.
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Otherwise run `bin/elasticsearch-plugin` as the user that owns all of the Elasticsearch
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files.
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=====================
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[[installation]]
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=== Installing Plugins
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The documentation for each plugin usually includes specific installation
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instructions for that plugin, but below we document the various available
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options:
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[float]
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=== Core Elasticsearch plugins
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Core Elasticsearch plugins can be installed as follows:
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[source,shell]
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-----------------------------------
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sudo bin/elasticsearch-plugin install [plugin_name]
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-----------------------------------
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For instance, to install the core <<analysis-icu,ICU plugin>>, just run the
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following command:
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[source,shell]
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-----------------------------------
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sudo bin/elasticsearch-plugin install analysis-icu
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-----------------------------------
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This command will install the version of the plugin that matches your
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Elasticsearch version.
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[float]
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=== Custom URL or file system
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A plugin can also be downloaded directly from a custom location by specifying the URL:
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[source,shell]
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-----------------------------------
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sudo bin/elasticsearch-plugin install [url] <1>
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-----------------------------------
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<1> must be a valid URL, the plugin name is determined from its descriptor.
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For instance, to install a plugin from your local file system, you could run:
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[source,shell]
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-----------------------------------
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sudo bin/elasticsearch-plugin install file:///path/to/plugin.zip
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-----------------------------------
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The plugin script will refuse to talk to an HTTPS URL with an untrusted
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certificate. To use a self-signed HTTPS cert, you will need to add the CA cert
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to a local Java truststore and pass the location to the script as follows:
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[source,shell]
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-----------------------------------
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sudo ES_JAVA_OPTS="-Djavax.net.ssl.trustStore=/path/to/trustStore.jks" bin/elasticsearch-plugin install https://....
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-----------------------------------
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[[listing-removing]]
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=== Listing and Removing Installed Plugins
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[float]
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=== Listing plugins
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A list of the currently loaded plugins can be retrieved with the `list` option:
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[source,shell]
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-----------------------------------
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sudo bin/elasticsearch-plugin list
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-----------------------------------
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Alternatively, use the {ref}/cluster-nodes-info.html[node-info API] to find
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out which plugins are installed on each node in the cluster
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[float]
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=== Removing plugins
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Plugins can be removed manually, by deleting the appropriate directory under
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`plugins/`, or using the public script:
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[source,shell]
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-----------------------------------
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sudo bin/elasticsearch-plugin remove [pluginname]
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-----------------------------------
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After a Java plugin has been removed, you will need to restart the node to complete the removal process.
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=== Other command line parameters
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The `plugin` scripts supports a number of other command line parameters:
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[float]
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=== Silent/Verbose mode
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The `--verbose` parameter outputs more debug information, while the `--silent`
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parameter turns off all output. The script may return the following exit
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codes:
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[horizontal]
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`0`:: everything was OK
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`64`:: unknown command or incorrect option parameter
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`74`:: IO error
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`70`:: any other error
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[float]
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=== Custom config directory
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If your `elasticsearch.yml` config file is in a custom location, you will need
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to specify the path to the config file when using the `plugin` script. You
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can do this as follows:
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[source,sh]
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---------------------
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sudo bin/elasticsearch-plugin -Epath.conf=/path/to/custom/config/dir install <plugin name>
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---------------------
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You can also set the `CONF_DIR` environment variable to the custom config
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directory path.
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[float]
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=== Timeout settings
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By default, the `plugin` script will wait indefinitely when downloading before
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failing. The timeout parameter can be used to explicitly specify how long it
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waits. Here is some examples of setting it to different values:
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[source,shell]
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-----------------------------------
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# Wait for 30 seconds before failing
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sudo bin/elasticsearch-plugin install analysis-icu --timeout 30s
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# Wait for 1 minute before failing
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sudo bin/elasticsearch-plugin install analysis-icu --timeout 1m
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# Wait forever (default)
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sudo bin/elasticsearch-plugin install analysis-icu --timeout 0
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-----------------------------------
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[float]
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=== Proxy settings
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To install a plugin via a proxy, you can pass the proxy details in with the
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Java settings `proxyHost` and `proxyPort`. On Unix based systems, these
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options can be set on the command line:
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[source,shell]
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-----------------------------------
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sudo ES_JAVA_OPTS="-DproxyHost=host_name -DproxyPort=port_number" bin/elasticsearch-plugin install mobz/elasticsearch-head
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-----------------------------------
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On Windows, they need to be added to the `ES_JAVA_OPTS` environment variable:
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[source,shell]
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-----------------------------------
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set ES_JAVA_OPTS="-DproxyHost=host_name -DproxyPort=port_number"
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bin/elasticsearch-plugin install analysis-icu
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-----------------------------------
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=== Plugins directory
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The default location of the `plugins` directory depends on which package you install:
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* {ref}/zip-targz.html#zip-targz-layout[Directory layout of `.zip` and `.tar.gz` archives]
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* {ref}/deb.html#deb-layout[Directory layout of Debian package]
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* {ref}/rpm.html#rpm-layout[Directory layout of RPM]
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[float]
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=== Mandatory Plugins
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If you rely on some plugins, you can define mandatory plugins by adding
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`plugin.mandatory` setting to the `config/elasticsearch.yml` file, for
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example:
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[source,yaml]
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--------------------------------------------------
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plugin.mandatory: analysis-icu,lang-js
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--------------------------------------------------
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For safety reasons, a node will not start if it is missing a mandatory plugin.
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