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[discovery-ec2] network.host must be set 

With 2.0, we now bind to `localhost` by default instead of binding to the network card and use its IP address.

 When the discovery plugin gets from AWS API the list of nodes that should form the cluster, this list is pinged then. But as each node is bound to `localhost`, ping does not get an answer and the node elects itself as the master node.

`network.host` must be set.

 Closes #13589.
This commit is contained in:
David Pilato 2015-09-16 08:38:34 +02:00
parent ea0c35046b
commit 685c1f4a54
2 changed files with 33 additions and 14 deletions
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31
docs/plugins/discovery-ec2.asciidoc
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@ -165,6 +165,37 @@ The following are a list of settings (prefixed with `discovery.ec2`) that can fu
Defaults to `3s`. If no unit like `ms`, `s` or `m` is specified,
milliseconds are used.
[IMPORTANT]
.Binding the network host
==============================================
It's important to define `network.host` as by default it's bound to `localhost`.
You can use {ref}/modules-network.html[core network host settings] or
<<discovery-ec2-network-host,ec2 specific host settings>>:
==============================================
[[discovery-ec2-network-host]]
==== EC2 Network Host
When the `discovery-ec2` plugin is installed, the following are also allowed
as valid network host settings:
[cols="<,<",options="header",]
|==================================================================
|EC2 Host Value |Description
|`_ec2:privateIpv4_` |The private IP address (ipv4) of the machine.
|`_ec2:privateDns_` |The private host of the machine.
|`_ec2:publicIpv4_` |The public IP address (ipv4) of the machine.
|`_ec2:publicDns_` |The public host of the machine.
|`_ec2:privateIp_` |equivalent to _ec2:privateIpv4_.
|`_ec2:publicIp_` |equivalent to _ec2:publicIpv4_.
|`_ec2_` |equivalent to _ec2:privateIpv4_.
|==================================================================
[[discovery-ec2-permissions]]
===== Recommended EC2 Permissions

16
docs/reference/modules/network.asciidoc
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@ -51,20 +51,8 @@ provided network interface. For example `_en0:ipv4_`.
provided network interface. For example `_en0:ipv6_`.
|=======================================================================
When the `discovery-ec2` plugin is installed, the following are also allowed
as valid network host settings:
[cols="<,<",options="header",]
|==================================================================
|EC2 Host Value |Description
|`_ec2:privateIpv4_` |The private IP address (ipv4) of the machine.
|`_ec2:privateDns_` |The private host of the machine.
|`_ec2:publicIpv4_` |The public IP address (ipv4) of the machine.
|`_ec2:publicDns_` |The public host of the machine.
|`_ec2_` |Less verbose option for the private ip address.
|`_ec2:privateIp_` |Less verbose option for the private ip address.
|`_ec2:publicIp_` |Less verbose option for the public ip address.
|==================================================================
When the `discovery-ec2` plugin is installed, you can use
{plugins}/discovery-ec2-discovery.html#discovery-ec2-network-host[ec2 specific host settings].
[float]
[[tcp-settings]]