Description
This module creates a Cassandra cluster. The module is based upon the following white paper:
https://d0.awsstatic.com/whitepapers/Cassandra_on_AWS.pdf
Variables
Name | Description | Default |
---|---|---|
app_name |
application name | |
availability_zones |
comma separated list of AZs | |
az_count |
number of AZs to span | |
backup_hour |
crontab hour for backup | |
backup_minute |
crontab minute for backup | |
backup_retention |
backup retention period in days | 7 |
bastion_ip |
bastion IP address for ssh access | |
bastion_private_key |
local path to ssh private key for bastion access | |
cassandra_version |
version of Cassandra | 3.9 |
cloudwatch_alarm_arn |
cloudwatch alarm ARN | |
commit_log_device_name |
attach device for commit log volume | /dev/xvdg |
commit_log_mount_point |
mount point for commit log volume | commitlog |
data_device_name |
attach device for data volume | /dev/xvdf |
data_dir |
data directory for Docker mount | /var/lib/cassandra |
data_mount_point |
mount point for data volume | data |
environment |
environment to configure | |
iam_instance_profile |
IAM instance profile name to allow nodes to create EBS snapshots | |
key_name |
key pair for SSH access | |
nodes_per_az |
number of non-seed nodes per AZ | |
nonseed_commitlog_volume_ids |
list of non-seed commitlog volume IDs | |
nonseed_data_volume_ids |
list of non-seed data volume IDs | |
private_key |
local path to ssh private key | |
region |
region to configure | |
security_group_ids |
list of security groups | |
seed_addr |
network number for seed IP | |
seed_commitlog_volume_ids |
list of seed commitlog volume IDs | |
seed_data_volume_ids |
list of seed data volume IDs | |
seed_subnet_ids |
list of subnet IDs for seed nodes (/24 CIDR) | |
stdenv |
environment lookup to use | |
subnet_ids |
list of subnet IDs for non-seed nodes |
Outputs
Name | Description |
---|---|
node_ips |
comma separated list of node IP addresses |
Tests
The test documentation can be found in test/main.tf.