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Terraform module for creating alarms for tracking important changes and occurrences from ECS Services.

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πŸ‘½ Use Atmos with Terraform

Cloud Posse uses atmos to easily orchestrate multiple environments using Terraform. <br/> Works with Github Actions, Atlantis, or Spacelift.

<details> <summary><strong>Watch demo of using Atmos with Terraform</strong></summary> <img src="https://github.com/cloudposse/atmos/blob/master/docs/demo.gif?raw=true"/><br/> <i>Example of running <a href="https://atmos.tools"><code>atmos</code></a> to manage infrastructure from our <a href="https://atmos.tools/quick-start/">Quick Start</a> tutorial.</i> </detalis>

Usage

For a complete example, see examples/complete.

For automated tests of the complete example using bats and Terratest, see test.

module "ecs_service_alarms" {
  source = "cloudposse/ecs-cloudwatch-sns-alarms/aws"
  # Cloud Posse recommends pinning every module to a specific version
  # version     = "x.x.x"
  namespace      = "eg"
  stage          = "staging"
  name           = "app"
  cluster_name   = "example"
  service_name   = "app"
}

[!IMPORTANT] In Cloud Posse's examples, we avoid pinning modules to specific versions to prevent discrepancies between the documentation and the latest released versions. However, for your own projects, we strongly advise pinning each module to the exact version you're using. This practice ensures the stability of your infrastructure. Additionally, we recommend implementing a systematic approach for updating versions to avoid unexpected changes.

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Requirements

NameVersion
<a name="requirement_terraform"></a> terraform>= 0.13.0
<a name="requirement_aws"></a> aws>= 2.0

Providers

NameVersion
<a name="provider_aws"></a> aws>= 2.0

Modules

NameSourceVersion
<a name="module_cpu_utilization_high_alarm_label"></a> cpu_utilization_high_alarm_labelcloudposse/label/null0.25.0
<a name="module_cpu_utilization_low_alarm_label"></a> cpu_utilization_low_alarm_labelcloudposse/label/null0.25.0
<a name="module_memory_utilization_high_alarm_label"></a> memory_utilization_high_alarm_labelcloudposse/label/null0.25.0
<a name="module_memory_utilization_low_alarm_label"></a> memory_utilization_low_alarm_labelcloudposse/label/null0.25.0
<a name="module_this"></a> thiscloudposse/label/null0.25.0

Resources

NameType
aws_cloudwatch_metric_alarm.cpu_utilization_highresource
aws_cloudwatch_metric_alarm.cpu_utilization_lowresource
aws_cloudwatch_metric_alarm.memory_utilization_highresource
aws_cloudwatch_metric_alarm.memory_utilization_lowresource

Inputs

NameDescriptionTypeDefaultRequired
<a name="input_additional_tag_map"></a> additional_tag_mapAdditional key-value pairs to add to each map in tags_as_list_of_maps. Not added to tags or id.<br/>This is for some rare cases where resources want additional configuration of tags<br/>and therefore take a list of maps with tag key, value, and additional configuration.map(string){}no
<a name="input_alarm_description"></a> alarm_descriptionThe string to format and use as the alarm description.string"Average service %v utilization %v last %d minute(s) over %v period(s)"no
<a name="input_attributes"></a> attributesID element. Additional attributes (e.g. workers or cluster) to add to id,<br/>in the order they appear in the list. New attributes are appended to the<br/>end of the list. The elements of the list are joined by the delimiter<br/>and treated as a single ID element.list(string)[]no
<a name="input_cluster_name"></a> cluster_nameThe name of the ECS cluster to monitorstringn/ayes
<a name="input_context"></a> contextSingle object for setting entire context at once.<br/>See description of individual variables for details.<br/>Leave string and numeric variables as null to use default value.<br/>Individual variable settings (non-null) override settings in context object,<br/>except for attributes, tags, and additional_tag_map, which are merged.any<pre>{<br/> "additional_tag_map": {},<br/> "attributes": [],<br/> "delimiter": null,<br/> "descriptor_formats": {},<br/> "enabled": true,<br/> "environment": null,<br/> "id_length_limit": null,<br/> "label_key_case": null,<br/> "label_order": [],<br/> "label_value_case": null,<br/> "labels_as_tags": [<br/> "unset"<br/> ],<br/> "name": null,<br/> "namespace": null,<br/> "regex_replace_chars": null,<br/> "stage": null,<br/> "tags": {},<br/> "tenant": null<br/>}</pre>no
<a name="input_cpu_utilization_high_alarm_actions"></a> cpu_utilization_high_alarm_actionsA list of ARNs (i.e. SNS Topic ARN) to notify on CPU Utilization High Alarm actionlist(string)[]no
<a name="input_cpu_utilization_high_evaluation_periods"></a> cpu_utilization_high_evaluation_periodsNumber of periods to evaluate for the alarmnumber1no
<a name="input_cpu_utilization_high_ok_actions"></a> cpu_utilization_high_ok_actionsA list of ARNs (i.e. SNS Topic ARN) to notify on CPU Utilization High OK actionlist(string)[]no
<a name="input_cpu_utilization_high_period"></a> cpu_utilization_high_periodDuration in seconds to evaluate for the alarmnumber300no
<a name="input_cpu_utilization_high_threshold"></a> cpu_utilization_high_thresholdThe maximum percentage of CPU utilization averagenumber80no
<a name="input_cpu_utilization_low_alarm_actions"></a> cpu_utilization_low_alarm_actionsA list of ARNs (i.e. SNS Topic ARN) to notify on CPU Utilization Low Alarm actionlist(string)[]no
<a name="input_cpu_utilization_low_evaluation_periods"></a> cpu_utilization_low_evaluation_periodsNumber of periods to evaluate for the alarmnumber1no
<a name="input_cpu_utilization_low_ok_actions"></a> cpu_utilization_low_ok_actionsA list of ARNs (i.e. SNS Topic ARN) to notify on CPU Utilization Low OK actionlist(string)[]no
<a name="input_cpu_utilization_low_period"></a> cpu_utilization_low_periodDuration in seconds to evaluate for the alarmnumber300no
<a name="input_cpu_utilization_low_threshold"></a> cpu_utilization_low_thresholdThe minimum percentage of CPU utilization averagenumber20no
<a name="input_delimiter"></a> delimiterDelimiter to be used between ID elements.<br/>Defaults to - (hyphen). Set to "" to use no delimiter at all.stringnullno
<a name="input_descriptor_formats"></a> descriptor_formatsDescribe additional descriptors to be output in the descriptors output map.<br/>Map of maps. Keys are names of descriptors. Values are maps of the form<br/>{<br/> format = string<br/> labels = list(string)<br/>}<br/>(Type is any so the map values can later be enhanced to provide additional options.)<br/>format is a Terraform format string to be passed to the format() function.<br/>labels is a list of labels, in order, to pass to format() function.<br/>Label values will be normalized before being passed to format() so they will be<br/>identical to how they appear in id.<br/>Default is {} (descriptors output will be empty).any{}no
<a name="input_enabled"></a> enabledSet to false to prevent the module from creating any resourcesboolnullno
<a name="input_environment"></a> environmentID element. Usually used for region e.g. 'uw2', 'us-west-2', OR role 'prod', 'staging', 'dev', 'UAT'stringnullno
<a name="input_id_length_limit"></a> id_length_limitLimit id to this many characters (minimum 6).<br/>Set to 0 for unlimited length.<br/>Set to null for keep the existing setting, which defaults to 0.<br/>Does not affect id_full.numbernullno
<a name="input_label_key_case"></a> label_key_caseControls the letter case of the tags keys (label names) for tags generated by this module.<br/>Does not affect keys of tags passed in via the tags input.<br/>Possible values: lower, title, upper.<br/>Default value: title.stringnullno
<a name="input_label_order"></a> label_orderThe order in which the labels (ID elements) appear in the id.<br/>Defaults to ["namespace", "environment", "stage", "name", "attributes"].<br/>You can omit any of the 6 labels ("tenant" is the 6th), but at least one must be present.list(string)nullno
<a name="input_label_value_case"></a> label_value_caseControls the letter case of ID elements (labels) as included in id,<br/>set as tag values, and output by this module individually.<br/>Does not affect values of tags passed in via the tags input.<br/>Possible values: lower, title, upper and none (no transformation).<br/>Set this to title and set delimiter to "" to yield Pascal Case IDs.<br/>Default value: lower.stringnullno
<a name="input_labels_as_tags"></a> labels_as_tagsSet of labels (ID elements) to include as tags in the tags output.<br/>Default is to include all labels.<br/>Tags with empty values will not be included in the tags output.<br/>Set to [] to suppress all generated tags.<br/>Notes:<br/> The value of the name tag, if included, will be the id, not the name.<br/> Unlike other null-label inputs, the initial setting of labels_as_tags cannot be<br/> changed in later chained modules. Attempts to change it will be silently ignored.set(string)<pre>[<br/> "default"<br/>]</pre>no
<a name="input_memory_utilization_high_alarm_actions"></a> memory_utilization_high_alarm_actionsA list of ARNs (i.e. SNS Topic ARN) to notify on Memory Utilization High Alarm actionlist(string)[]no
<a name="input_memory_utilization_high_evaluation_periods"></a> memory_utilization_high_evaluation_periodsNumber of periods to evaluate for the alarmnumber1no
<a name="input_memory_utilization_high_ok_actions"></a> memory_utilization_high_ok_actionsA list of ARNs (i.e. SNS Topic ARN) to notify on Memory Utilization High OK actionlist(string)[]no
<a name="input_memory_utilization_high_period"></a> memory_utilization_high_periodDuration in seconds to evaluate for the alarmnumber300no
<a name="input_memory_utilization_high_threshold"></a> memory_utilization_high_thresholdThe maximum percentage of Memory utilization averagenumber80no
<a name="input_memory_utilization_low_alarm_actions"></a> memory_utilization_low_alarm_actionsA list of ARNs (i.e. SNS Topic ARN) to notify on Memory Utilization Low Alarm actionlist(string)[]no
<a name="input_memory_utilization_low_evaluation_periods"></a> memory_utilization_low_evaluation_periodsNumber of periods to evaluate for the alarmnumber1no
<a name="input_memory_utilization_low_ok_actions"></a> memory_utilization_low_ok_actionsA list of ARNs (i.e. SNS Topic ARN) to notify on Memory Utilization Low OK actionlist(string)[]no
<a name="input_memory_utilization_low_period"></a> memory_utilization_low_periodDuration in seconds to evaluate for the alarmnumber300no
<a name="input_memory_utilization_low_threshold"></a> memory_utilization_low_thresholdThe minimum percentage of Memory utilization averagenumber20no
<a name="input_name"></a> nameID element. Usually the component or solution name, e.g. 'app' or 'jenkins'.<br/>This is the only ID element not also included as a tag.<br/>The "name" tag is set to the full id string. There is no tag with the value of the name input.stringnullno
<a name="input_namespace"></a> namespaceID element. Usually an abbreviation of your organization name, e.g. 'eg' or 'cp', to help ensure generated IDs are globally uniquestringnullno
<a name="input_regex_replace_chars"></a> regex_replace_charsTerraform regular expression (regex) string.<br/>Characters matching the regex will be removed from the ID elements.<br/>If not set, "/[^a-zA-Z0-9-]/" is used to remove all characters other than hyphens, letters and digits.stringnullno
<a name="input_service_name"></a> service_nameThe name of the ECS Service in the ECS cluster to monitorstring""no
<a name="input_stage"></a> stageID element. Usually used to indicate role, e.g. 'prod', 'staging', 'source', 'build', 'test', 'deploy', 'release'stringnullno
<a name="input_tags"></a> tagsAdditional tags (e.g. {'BusinessUnit': 'XYZ'}).<br/>Neither the tag keys nor the tag values will be modified by this module.map(string){}no
<a name="input_tenant"></a> tenantID element _(Rarely used, not included by default)_. A customer identifier, indicating who this instance of a resource is forstringnullno

Outputs

NameDescription
<a name="output_cpu_utilization_high_cloudwatch_metric_alarm_arn"></a> cpu_utilization_high_cloudwatch_metric_alarm_arnCPU utilization high CloudWatch metric alarm ARN
<a name="output_cpu_utilization_high_cloudwatch_metric_alarm_id"></a> cpu_utilization_high_cloudwatch_metric_alarm_idCPU utilization high CloudWatch metric alarm ID
<a name="output_cpu_utilization_low_cloudwatch_metric_alarm_arn"></a> cpu_utilization_low_cloudwatch_metric_alarm_arnCPU utilization low CloudWatch metric alarm ARN
<a name="output_cpu_utilization_low_cloudwatch_metric_alarm_id"></a> cpu_utilization_low_cloudwatch_metric_alarm_idCPU utilization low CloudWatch metric alarm ID
<a name="output_memory_utilization_high_cloudwatch_metric_alarm_arn"></a> memory_utilization_high_cloudwatch_metric_alarm_arnMemory utilization high CloudWatch metric alarm ARN
<a name="output_memory_utilization_high_cloudwatch_metric_alarm_id"></a> memory_utilization_high_cloudwatch_metric_alarm_idMemory utilization high CloudWatch metric alarm ID
<a name="output_memory_utilization_low_cloudwatch_metric_alarm_arn"></a> memory_utilization_low_cloudwatch_metric_alarm_arnMemory utilization low CloudWatch metric alarm ARN
<a name="output_memory_utilization_low_cloudwatch_metric_alarm_id"></a> memory_utilization_low_cloudwatch_metric_alarm_idMemory utilization low CloudWatch metric alarm ID
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