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diff --git a/docs/rabbitmqctl.1.xml b/docs/rabbitmqctl.1.xml index ded3ab4831..7c74f20d47 100644 --- a/docs/rabbitmqctl.1.xml +++ b/docs/rabbitmqctl.1.xml @@ -745,6 +745,99 @@ </refsect2> <refsect2> + <title>Parameter Management</title> + <para> + Certain features of RabbitMQ (such as the federation plugin) + are controlled by dynamic, + cluster-wide <emphasis>parameters</emphasis>. Each parameter + consists of an application name, a key and a value. The + application name and key are strings, and the value is an + Erlang term. Parameters can be set, cleared and listed. In + general you should refer to the documentation for the feature + in question to see how to set parameters. + </para> + <variablelist> + <varlistentry> + <term><cmdsynopsis><command>set_parameter</command> <arg choice="req"><replaceable>app_name</replaceable></arg> <arg choice="req"><replaceable>key</replaceable></arg> <arg choice="req"><replaceable>value</replaceable></arg></cmdsynopsis></term> + <listitem> + <para> + Sets a parameter. + </para> + <variablelist> + <varlistentry> + <term>app_name</term> + <listitem><para> + The name of the application for which the + parameter is being set. + </para></listitem> + </varlistentry> + <varlistentry> + <term>key</term> + <listitem><para> + The key for which the parameter is being set. + </para></listitem> + </varlistentry> + <varlistentry> + <term>value</term> + <listitem><para> + The value for the parameter, as an + Erlang term. In most shells you are very likely to + need to quote this. + </para></listitem> + </varlistentry> + </variablelist> + <para role="example-prefix">For example:</para> + <screen role="example">rabbitmqctl set_parameter federation local_username '<<"guest">>'</screen> + <para role="example"> + This command sets the parameter <command>local_username</command> for the <command>federation</command> application to the Erlang term <command><<"guest">></command>. + </para> + </listitem> + </varlistentry> + <varlistentry> + <term><cmdsynopsis><command>clear_parameter</command> <arg choice="req"><replaceable>app_name</replaceable></arg> <arg choice="req"><replaceable>key</replaceable></arg></cmdsynopsis></term> + <listitem> + <para> + Clears a parameter. + </para> + <variablelist> + <varlistentry> + <term>app_name</term> + <listitem><para> + The name of the application for which the + parameter is being cleared. + </para></listitem> + </varlistentry> + <varlistentry> + <term>key</term> + <listitem><para> + The key for which the parameter is being cleared. + </para></listitem> + </varlistentry> + </variablelist> + <para role="example-prefix">For example:</para> + <screen role="example">rabbitmqctl clear_parameter federation local_username</screen> + <para role="example"> + This command clears the parameter <command>local_username</command> for the <command>federation</command> application. + </para> + </listitem> + </varlistentry> + <varlistentry> + <term><cmdsynopsis><command>list_parameters</command></cmdsynopsis></term> + <listitem> + <para> + Lists all parameters. + </para> + <para role="example-prefix">For example:</para> + <screen role="example">rabbitmqctl list_parameters</screen> + <para role="example"> + This command lists all parameters. + </para> + </listitem> + </varlistentry> + </variablelist> + </refsect2> + + <refsect2> <title>Server Status</title> <para> The server status queries interrogate the server and return a list of |