fix: exclude 'dot indices'

"In general, most of the indices that would be considered system indices have
names that start ...

fix: Handle '.geoip_database' index when creating alias

Newer versions of Elasticsearch natively include a GeoIP database.

The code to set up the conve...

Fix ec2 discovery config

Ensure Elasticsearch is restarted on reboot

I'm sure at least one person will copy/paste without updating it

This was introduced in
https://github.com/pelias/terraform-elasticsearch/pull/18

feat: Allow filtering subnets by any tag

This change allows filtering the list of subnets within which EC2
instances are launched.

Previ...

fix: support any index name when loading snapshot

These scripts have long required that the index name loaded from
Elasticsearch snapshots is call...

Elasticsearch7

In ES7, this setting does unexpected things like prohibit replicas from
saving correctly.

While...

See https://www.elastic.co/guide/en/elasticsearch/reference/current/modules-gateway.html#modules...

This setting is now ignored in ES7, so we might as well remove it.

See https://www.elastic.co/g...

This is required in ES7 as the list of potential masters must be hard
coded, and identical, on a...

Set min/max JVM heap size correctly

These settings have moved to `/etc/elasticsearch/jvm.options`.

See https://www.elastic.co/guide...

elasticsearch 6 support

See https://www.elastic.co/guide/en/elasticsearch/plugins/7.4/discovery-ec2-usage.html#_enabling...

This is now auto-detected by default.

See https://www.elastic.co/guide/en/elasticsearch/referen...

https://github.com/pelias/terraform-elasticsearch/issues/12

set json request header to avoid errors…

set "index_patterns" for PUT _template

Connects https://github.com/pelias/packer-elasticsearch/commit/bb42c0670190648fe6c57bf704c30bfa4...

Availability Zone allocation awareness

The `discovery-ec2` plugin can [automatically
set](https://www.elastic.co/guide/en/elasticsearch...

Closes https://github.com/pelias/terraform-elasticsearch/issues/3

feat: Allow custom additional security groups

This change allows the Elasticsearch nodes to be associated with extra
custom security groups.

It's gotten cheaper and easier to run a full planet cluster!

Add new configuration settings

https://www.elastic.co/guide/en/elasticsearch/reference/master/delayed-allocation.html

This allows Elasticsearch instances with local NVMe disks to use those
very fast, local disks. I...

By default, new Linux filesystems are created with 5% of space reserved
for the root user. This ...

These settings configure how much available disk Elasticsearch will
allow itself to use before t...

Sometimes, an ELB is unwanted when creating an ES cluster. It might be
just for testing, or ther...

Launch template allows better tag settings, and can be used without an
autoscaling group.

This helps prevent against any sort of accidental damage:
https://www.elastic.co/guide/en/elasti...

Technically not required, but it keeps the elasticsearch logs clean

The ARN is easy to calculate

Thanks to the udev rules now set up in the AMI, its easy to mount the
right block devices no mat...

Ideally these would be configurable, but for now, set some hopefully
reasonable defaults

It is now possible to filter AMIs used to launch the Elasticsearch
instances by a tag. Previousl...

This makes it easier to do rolling updates of the cluster

It was previously hardcoded

this allows for creating new AMIs and ensuring they are not immediately
used in production.

This allows for better metrics in CloudWatch and hopefully is neutral or
positive for performance

This requires conditionally disabling EBS optimized instances

This should be a variable soon

Without these, it is very likely that with, for example, a 4 EC2
instance autoscaling group of E...

See https://www.elastic.co/guide/en/elasticsearch/plugins/2.4/cloud-aws-discovery.html
for the s...

There is a fairly short total limit