Creates warning and critical alarms for RDS instances on Amazon CloudWatch. For more details, check out the blog post.
💥 Battle-tested at Grofers
{
"Version": "2012-10-17",
"Statement": [
{
"Sid": "Stmt19471460522000",
"Effect": "Allow",
"Action": [
"cloudwatch:DeleteAlarms",
"cloudwatch:DescribeAlarms",
"cloudwatch:PutMetricAlarm"
],
"Resource": [
"*"
]
},
{
"Sid": "Stmt1947940274000",
"Effect": "Allow",
"Action": [
"rds:DescribeDBInstances"
],
"Resource": [
"*"
]
}
]
}To install, just run
$ ansible-galaxy install grofers.rds-alarmsrds_alarms_region- AWS region (Required)rds_alarms_common_action_list- List of ARN of topics in AWS SNSrds_alarms_period- Time (in seconds) between metric evaluationsrds_alarms_evaluation_periods- The number of times in which the metric is evaluated before final calculationrds_alarms_common_action_list- Always include this alarm actionsrds_alarms_warning_threshold- Threshold for warning (default - 75%)rds_alarms_critical_threshold- Threshold for warning (default - 90%)rds_alarms_warning_cpu_credits_threshold- Threshold for CPU Credits (default - 30)rds_alarms_critical_cpu_credits_threshold- Threshold for CPU Credits (default - 15)rds_alarms_db_instances- Dict with the following format:
rds_alarms_db_instances:
<rds-instance-identifier>:
warning_db_connections_threshold: 100
critical_db_connections_threshold: 200
warning_burst_balance_threshold: 100
critical_burst_balance_threshold: 200
alarm_action_list: ["arn:aws:sns:us-east-1:9783248248:MYALARM"]
critical_threshold: 90 # Optional
warning_threshold: 75 # Optional
storage_critical_threshold: 90 # Optional
storage_warning_threshold: 75 # Optional
memory_critical_threshold: 90 # Optional
memory_warning_threshold: 75 # Optional
credit_warning_threshold: 30 # Optional
credit_critical_threshold: 15 # Optional
replica_lag_threshold: 1800 # Required Only for replicas. Units secondsThe format of name of alarms created in Amazon CloudWatch is:
rds-<instance_name>-<metric_name>-<alert_type>.
For example, warning alarm for CPU for an instance with identifier
my-rds-instance will be created as rds-my-rds-instance-cpu-warning.
This playbook will create alarms for my-rds-instance-identifier with the
default thresholds. Where as for alarms created for
my-replica-rds-instance-identifier will be created with warning threshold of
80% and critical threshold will be the default value(90%). If the instance is a
replica then an alarm will also be created for the replica lag. For every t2
instance, alarms are also created for remaining CPU credits.
- hosts: localhost
connection: local
vars:
rds_alarms_common_action_list:
- "arn:aws:sns:us-east-1:9783248248:ALARMS"
rds_alarms_period: 60
rds_alarms_evaluation_periods: 2
rds_alarms_region: us-east-1
rds_alarms_warning_threshold: 70
rds_alarms_critical_threshold: 90
rds_alarms_warning_cpu_credits_threshold: 60
rds_alarms_critical_cpu_credits_threshold: 30
rds_alarms_db_instances:
my-rds-instance-identifier: # this will use the defaults
warning_db_connections_threshold: 100
critical_db_connections_threshold: 200
alarm_action_list: ["arn:aws:sns:us-east-1:9783248248:MYALARM"]
my-replica-rds-instance-identifier:
warning_threshold: 80
warning_db_connections_threshold: 100
critical_db_connections_threshold: 200
alarm_action_list: ["arn:aws:sns:us-east-1:9783248248:MYALARM"]
credit_warning_threshold: 20
credit_critical_threshold: 10
replica_lag_threshold: 1800
roles:
- rds-alarms
You need to create multiple playbooks for different regions.
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