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This component is responsible for provisioning ZScaler Private Access Connector instances on Amazon Linux 2 AMIs.

Prior to provisioning this component, it is required that a SecureString SSM Parameter containing the ZScaler App Connector Provisioning Key is populated in each account corresponding to the regional stack the component is deployed to, with the name of the SSM Parameter matching the value of var.zscaler_key.

This parameter should be populated using chamber, which is included in the geodesic image:

chamber write zscaler key <value>

Where <value> is the ZScaler App Connector Provisioning Key. For more information on how to generate this key, see: ZScaler documentation on Configuring App Connectors.

Usage

Stack Level: Regional

The typical stack configuration for this component is as follows:

components:
  terraform:
    zscaler:
      vars:
        zscaler_count: 2

Preferably, regional stack configurations can be kept DRY by importing catalog/zscaler via the imports list at the top of the configuration.

import:
  ...
  - catalog/zscaler

Requirements

Name	Version
<a name="requirement_terraform"></a> terraform	>= 0.13.0
<a name="requirement_aws"></a> aws	>= 3.0
<a name="requirement_null"></a> null	>= 3.0
<a name="requirement_random"></a> random	>= 3.0
<a name="requirement_template"></a> template	>= 2.2
<a name="requirement_utils"></a> utils	>= 1.10.0

Providers

Name	Version
<a name="provider_aws"></a> aws	>= 3.0
<a name="provider_template"></a> template	>= 2.2

Modules

Name	Source	Version
<a name="module_ec2_zscaler"></a> ec2_zscaler	cloudposse/ec2-instance/aws	0.32.2
<a name="module_iam_roles"></a> iam_roles	../account-map/modules/iam-roles	n/a
<a name="module_this"></a> this	cloudposse/label/null	0.24.1

Resources

Name	Type
aws_iam_role_policy_attachment.ssm_core	resource
aws_ami.amazon_linux_2	data source
aws_ssm_parameter.zscaler_key	data source
template_file.userdata	data source

Inputs

Name	Description	Type	Default	Required
<a name="input_additional_tag_map"></a> additional_tag_map	Additional tags for appending to tags_as_list_of_maps. Not added to `tags`.	`map(string)`	`{}`	no
<a name="input_ami_owner"></a> ami_owner	The owner of the AMI used for the ZScaler EC2 instances.	`string`	`"amazon"`	no
<a name="input_ami_regex"></a> ami_regex	The regex used to match the latest AMI to be used for the ZScaler EC2 instances.	`string`	`"^amzn2-ami-hvm.*"`	no
<a name="input_attributes"></a> attributes	Additional attributes (e.g. `1`)	`list(string)`	`[]`	no
<a name="input_aws_ssm_enabled"></a> aws_ssm_enabled	Set true to install the AWS SSM agent on each EC2 instances.	`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> "enabled": true,<br> "environment": null,<br> "id_length_limit": null,<br> "label_key_case": null,<br> "label_order": [],<br> "label_value_case": null,<br> "name": null,<br> "namespace": null,<br> "regex_replace_chars": null,<br> "stage": null,<br> "tags": {}<br>}</pre>	no
<a name="input_delimiter"></a> delimiter	Delimiter to be used between `namespace`, `environment`, `stage`, `name` and `attributes`.<br>Defaults to `-` (hyphen). Set to `""` to use no delimiter at all.	`string`	`null`	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	Environment, e.g. 'uw2', 'us-west-2', OR 'prod', 'staging', 'dev', 'UAT'	`string`	`null`	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 default, which is `0`.<br>Does not affect `id_full`.	`number`	`null`	no
<a name="input_instance_type"></a> instance_type	The instance family to use for the ZScaler EC2 instances.	`string`	`"m5n.large"`	no
<a name="input_label_key_case"></a> label_key_case	The letter case of label keys (`tag` names) (i.e. `name`, `namespace`, `environment`, `stage`, `attributes`) to use in `tags`.<br>Possible values: `lower`, `title`, `upper`.<br>Default value: `title`.	`string`	`null`	no
<a name="input_label_order"></a> label_order	The naming order of the id output and Name tag.<br>Defaults to ["namespace", "environment", "stage", "name", "attributes"].<br>You can omit any of the 5 elements, but at least one must be present.	`list(string)`	`null`	no
<a name="input_label_value_case"></a> label_value_case	The letter case of output label values (also used in `tags` and `id`).<br>Possible values: `lower`, `title`, `upper` and `none` (no transformation).<br>Default value: `lower`.	`string`	`null`	no
<a name="input_name"></a> name	Solution name, e.g. 'app' or 'jenkins'	`string`	`null`	no
<a name="input_namespace"></a> namespace	Namespace, which could be your organization name or abbreviation, e.g. 'eg' or 'cp'	`string`	`null`	no
<a name="input_regex_replace_chars"></a> regex_replace_chars	Regex to replace chars with empty string in `namespace`, `environment`, `stage` and `name`.<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_secrets_store_type"></a> secrets_store_type	Secret store type for Zscaler provisioning keys. Valid values: `SSM`, `ASM` (but `ASM` not currently supported)	`string`	`"SSM"`	no
<a name="input_security_group_rules"></a> security_group_rules	A list of maps of Security Group rules.<br>The values of map is fully completed with `aws_security_group_rule` resource.<br>To get more info see security_group_rule.	`list(any)`	<pre>[<br> {<br> "cidr_blocks": [<br> "0.0.0.0/0"<br> ],<br> "from_port": 0,<br> "protocol": "-1",<br> "to_port": 65535,<br> "type": "egress"<br> }<br>]</pre>	no
<a name="input_stage"></a> stage	Stage, e.g. 'prod', 'staging', 'dev', OR 'source', 'build', 'test', 'deploy', 'release'	`string`	`null`	no
<a name="input_tags"></a> tags	Additional tags (e.g. `map('BusinessUnit','XYZ')`	`map(string)`	`{}`	no
<a name="input_zscaler_count"></a> zscaler_count	The number of Zscaler instances.	`number`	`1`	no
<a name="input_zscaler_key"></a> zscaler_key	SSM key (without leading `/`) for the Zscaler provisioning key secret.	`string`	`"zscaler/key"`	no

Outputs

Name	Description
<a name="output_instance_id"></a> instance_id	Instance ID
<a name="output_private_ip"></a> private_ip	Private IP of the instance

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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