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This component is used to install the KEDA operator.

See this overview of how Keda works with triggers with a ScaledObject, which is a light wrapper around HPAs.

Usage

Stack Level: Regional

Use this in the catalog or use these variables to overwrite the catalog values.

components:
  terraform:
    eks/keda:
      vars:
        enabled: true
        name: keda
        create_namespace: true
        kubernetes_namespace: "keda"
        chart_repository: "https://kedacore.github.io/charts"
        chart: "keda"
        chart_version: "2.13.2"
        chart_values: {}
        timeout: 180

Requirements

Name	Version
<a name="requirement_terraform"></a> terraform	>= 1.0.0
<a name="requirement_aws"></a> aws	>= 4.0
<a name="requirement_helm"></a> helm	>= 2.6.0
<a name="requirement_kubernetes"></a> kubernetes	>= 2.9.0, != 2.21.0

Providers

Name	Version
<a name="provider_aws"></a> aws	>= 4.0

Modules

Name	Source	Version
<a name="module_eks"></a> eks	cloudposse/stack-config/yaml//modules/remote-state	1.5.0
<a name="module_iam_roles"></a> iam_roles	../../account-map/modules/iam-roles	n/a
<a name="module_keda"></a> keda	cloudposse/helm-release/aws	0.10.0
<a name="module_this"></a> this	cloudposse/label/null	0.25.0

Resources

Name	Type
aws_eks_cluster_auth.eks	data source

Inputs

Name	Description	Type	Default	Required
<a name="input_additional_tag_map"></a> additional_tag_map	Additional 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_atomic"></a> atomic	If set, installation process purges chart on fail. The wait flag will be set automatically if atomic is used.	`bool`	`true`	no
<a name="input_attributes"></a> attributes	ID 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_chart"></a> chart	Chart name to be installed. The chart name can be local path, a URL to a chart, or the name of the chart if `repository` is specified. It is also possible to use the `<repository>/<chart>` format here if you are running Terraform on a system that the repository has been added to with `helm repo add` but this is not recommended.	`string`	`"keda"`	no
<a name="input_chart_version"></a> chart_version	Specify the exact chart version to install. If this is not specified, the latest version is installed.	`string`	`"2.8"`	no
<a name="input_cleanup_on_fail"></a> cleanup_on_fail	Allow deletion of new resources created in this upgrade when upgrade fails.	`bool`	`true`	no
<a name="input_context"></a> context	Single 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_create_namespace"></a> create_namespace	Create the Kubernetes namespace if it does not yet exist	`bool`	`true`	no
<a name="input_delimiter"></a> delimiter	Delimiter to be used between ID elements.<br>Defaults to `-` (hyphen). Set to `""` to use no delimiter at all.	`string`	`null`	no
<a name="input_description"></a> description	Set release description attribute (visible in the history).	`string`	`"Used for autoscaling from external metrics configured as triggers."`	no
<a name="input_descriptor_formats"></a> descriptor_formats	Describe 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_eks_component_name"></a> eks_component_name	The name of the eks component	`string`	`"eks/cluster"`	no
<a name="input_enabled"></a> enabled	Set to false to prevent the module from creating any resources	`bool`	`null`	no
<a name="input_environment"></a> environment	ID element. Usually used for region e.g. 'uw2', 'us-west-2', OR role 'prod', 'staging', 'dev', 'UAT'	`string`	`null`	no
<a name="input_helm_manifest_experiment_enabled"></a> helm_manifest_experiment_enabled	Enable storing of the rendered manifest for helm_release so the full diff of what is changing can been seen in the plan	`bool`	`false`	no
<a name="input_id_length_limit"></a> id_length_limit	Limit `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`.	`number`	`null`	no
<a name="input_kube_data_auth_enabled"></a> kube_data_auth_enabled	If `true`, use an `aws_eks_cluster_auth` data source to authenticate to the EKS cluster.<br>Disabled by `kubeconfig_file_enabled` or `kube_exec_auth_enabled`.	`bool`	`false`	no
<a name="input_kube_exec_auth_aws_profile"></a> kube_exec_auth_aws_profile	The AWS config profile for `aws eks get-token` to use	`string`	`""`	no
<a name="input_kube_exec_auth_aws_profile_enabled"></a> kube_exec_auth_aws_profile_enabled	If `true`, pass `kube_exec_auth_aws_profile` as the `profile` to `aws eks get-token`	`bool`	`false`	no
<a name="input_kube_exec_auth_enabled"></a> kube_exec_auth_enabled	If `true`, use the Kubernetes provider `exec` feature to execute `aws eks get-token` to authenticate to the EKS cluster.<br>Disabled by `kubeconfig_file_enabled`, overrides `kube_data_auth_enabled`.	`bool`	`true`	no
<a name="input_kube_exec_auth_role_arn"></a> kube_exec_auth_role_arn	The role ARN for `aws eks get-token` to use	`string`	`""`	no
<a name="input_kube_exec_auth_role_arn_enabled"></a> kube_exec_auth_role_arn_enabled	If `true`, pass `kube_exec_auth_role_arn` as the role ARN to `aws eks get-token`	`bool`	`true`	no
<a name="input_kubeconfig_context"></a> kubeconfig_context	Context to choose from the Kubernetes config file.<br>If supplied, `kubeconfig_context_format` will be ignored.	`string`	`""`	no
<a name="input_kubeconfig_context_format"></a> kubeconfig_context_format	A format string to use for creating the `kubectl` context name when<br>`kubeconfig_file_enabled` is `true` and `kubeconfig_context` is not supplied.<br>Must include a single `%s` which will be replaced with the cluster name.	`string`	`""`	no
<a name="input_kubeconfig_exec_auth_api_version"></a> kubeconfig_exec_auth_api_version	The Kubernetes API version of the credentials returned by the `exec` auth plugin	`string`	`"client.authentication.k8s.io/v1beta1"`	no
<a name="input_kubeconfig_file"></a> kubeconfig_file	The Kubernetes provider `config_path` setting to use when `kubeconfig_file_enabled` is `true`	`string`	`""`	no
<a name="input_kubeconfig_file_enabled"></a> kubeconfig_file_enabled	If `true`, configure the Kubernetes provider with `kubeconfig_file` and use that kubeconfig file for authenticating to the EKS cluster	`bool`	`false`	no
<a name="input_kubernetes_namespace"></a> kubernetes_namespace	The namespace to install the release into.	`string`	n/a	yes
<a name="input_label_key_case"></a> label_key_case	Controls 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`.	`string`	`null`	no
<a name="input_label_order"></a> label_order	The 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)`	`null`	no
<a name="input_label_value_case"></a> label_value_case	Controls 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`.	`string`	`null`	no
<a name="input_labels_as_tags"></a> labels_as_tags	Set 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_name"></a> name	ID 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.	`string`	`null`	no
<a name="input_namespace"></a> namespace	ID element. Usually an abbreviation of your organization name, e.g. 'eg' or 'cp', to help ensure generated IDs are globally unique	`string`	`null`	no
<a name="input_rbac_enabled"></a> rbac_enabled	Service Account for pods.	`bool`	`true`	no
<a name="input_regex_replace_chars"></a> regex_replace_chars	Terraform 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.	`string`	`null`	no
<a name="input_region"></a> region	AWS Region	`string`	n/a	yes
<a name="input_repository"></a> repository	Repository URL where to locate the requested chart.	`string`	`"https://kedacore.github.io/charts"`	no
<a name="input_resources"></a> resources	A sub-nested map of deployment to resources. e.g. { operator = { requests = { cpu = 100m, memory = 100Mi }, limits = { cpu = 200m, memory = 200Mi } } }	`any`	`null`	no
<a name="input_stage"></a> stage	ID element. Usually used to indicate role, e.g. 'prod', 'staging', 'source', 'build', 'test', 'deploy', 'release'	`string`	`null`	no
<a name="input_tags"></a> tags	Additional 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> tenant	ID element _(Rarely used, not included by default)_. A customer identifier, indicating who this instance of a resource is for	`string`	`null`	no
<a name="input_timeout"></a> timeout	Time in seconds to wait for any individual kubernetes operation (like Jobs for hooks). Defaults to `300` seconds	`number`	`null`	no
<a name="input_wait"></a> wait	Will wait until all resources are in a ready state before marking the release as successful. It will wait for as long as `timeout`. Defaults to `true`.	`bool`	`true`	no

Outputs

Name	Description
<a name="output_metadata"></a> metadata	Block status of the deployed release.
<a name="output_service_account_name"></a> service_account_name	Kubernetes Service Account name
<a name="output_service_account_namespace"></a> service_account_namespace	Kubernetes Service Account namespace
<a name="output_service_account_policy_arn"></a> service_account_policy_arn	IAM policy ARN
<a name="output_service_account_policy_id"></a> service_account_policy_id	IAM policy ID
<a name="output_service_account_policy_name"></a> service_account_policy_name	IAM policy name
<a name="output_service_account_role_arn"></a> service_account_role_arn	IAM role ARN
<a name="output_service_account_role_name"></a> service_account_role_name	IAM role name
<a name="output_service_account_role_unique_id"></a> service_account_role_unique_id	IAM role unique ID

References

cloudposse/terraform-aws-components - Cloud Posse's upstream component

[!NOTE] This project is part of Cloud Posse's comprehensive "SweetOps" approach towards DevOps.
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Related Projects

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Cloud Posse Terraform Modules - Our collection of reusable Terraform modules used by our reference architectures.
Atmos - Atmos is like docker-compose but for your infrastructure

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