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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
terraform >= 0.13.0
aws >= 3.0
null >= 3.0
random >= 3.0
template >= 2.2
utils >= 1.10.0

Providers

Name Version
aws >= 3.0
template >= 2.2

Modules

Name Source Version
ec2_zscaler cloudposse/ec2-instance/aws 0.32.2
iam_roles ../account-map/modules/iam-roles n/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
additional_tag_map Additional tags for appending to tags_as_list_of_maps. Not added to tags. map(string) {} no
ami_owner The owner of the AMI used for the ZScaler EC2 instances. string "amazon" no
ami_regex The regex used to match the latest AMI to be used for the ZScaler EC2 instances. string "^amzn2-ami-hvm.*" no
attributes Additional attributes (e.g. 1) list(string) [] no
aws_ssm_enabled Set true to install the AWS SSM agent on each EC2 instances. bool true no
context Single object for setting entire context at once.
See description of individual variables for details.
Leave string and numeric variables as null to use default value.
Individual variable settings (non-null) override settings in context object,
except for attributes, tags, and additional_tag_map, which are merged.		 any 
{
  "additional_tag_map": {},
  "attributes": [],
  "delimiter": null,
  "enabled": true,
  "environment": null,
  "id_length_limit": null,
  "label_key_case": null,
  "label_order": [],
  "label_value_case": null,
  "name": null,
  "namespace": null,
  "regex_replace_chars": null,
  "stage": null,
  "tags": {}
}
 no
delimiter Delimiter to be used between namespace, environment, stage, name and attributes.
Defaults to - (hyphen). Set to "" to use no delimiter at all.		 string null no
enabled Set to false to prevent the module from creating any resources bool null no
environment Environment, e.g. 'uw2', 'us-west-2', OR 'prod', 'staging', 'dev', 'UAT' string null no
id_length_limit Limit id to this many characters (minimum 6).
Set to 0 for unlimited length.
Set to null for default, which is 0.
Does not affect id_full.		 number null no
instance_type The instance family to use for the ZScaler EC2 instances. string "m5n.large" no
label_key_case The letter case of label keys (tag names) (i.e. name, namespace, environment, stage, attributes) to use in tags.
Possible values: lower, title, upper.
Default value: title.		 string null no
label_order The naming order of the id output and Name tag.
Defaults to ["namespace", "environment", "stage", "name", "attributes"].
You can omit any of the 5 elements, but at least one must be present.		 list(string) null no
label_value_case The letter case of output label values (also used in tags and id).
Possible values: lower, title, upper and none (no transformation).
Default value: lower.		 string null no
name Solution name, e.g. 'app' or 'jenkins' string null no
namespace Namespace, which could be your organization name or abbreviation, e.g. 'eg' or 'cp' string null no
regex_replace_chars Regex to replace chars with empty string in namespace, environment, stage and name.
If not set, "/[^a-zA-Z0-9-]/" is used to remove all characters other than hyphens, letters and digits.		 string null no
region AWS region string n/a yes
secrets_store_type Secret store type for Zscaler provisioning keys. Valid values: SSM, ASM (but ASM not currently supported) string "SSM" no
security_group_rules A list of maps of Security Group rules.
The values of map is fully completed with aws_security_group_rule resource.
To get more info see security_group_rule.		 list(any) 
[
  {
    "cidr_blocks": [
      "0.0.0.0/0"
    ],
    "from_port": 0,
    "protocol": "-1",
    "to_port": 65535,
    "type": "egress"
  }
]
 no
stage Stage, e.g. 'prod', 'staging', 'dev', OR 'source', 'build', 'test', 'deploy', 'release' string null no
tags Additional tags (e.g. map('BusinessUnit','XYZ') map(string) {} no
zscaler_count The number of Zscaler instances. number 1 no
zscaler_key SSM key (without leading /) for the Zscaler provisioning key secret. string "zscaler/key" no

Outputs

Name Description
instance_id Instance ID
private_ip Private IP of the instance

References

Note

This project is part of Cloud Posse's comprehensive "SweetOps" approach towards DevOps.

Learn More

It's 100% Open Source and licensed under the APACHE2.

Related Projects

Check out these related projects.

  • 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

✨ Contributing

This project is under active development, and we encourage contributions from our community. Many thanks to our outstanding contributors:

🐛 Bug Reports & Feature Requests

Please use the issue tracker to report any bugs or file feature requests.

💻 Developing

If you are interested in being a contributor and want to get involved in developing this project or help out with Cloud Posse's other projects, we would love to hear from you! Hit us up in Slack, in the #cloudposse channel.

In general, PRs are welcome. We follow the typical "fork-and-pull" Git workflow.

  1. Review our Code of Conduct and Contributor Guidelines.
  2. Fork the repo on GitHub
  3. Clone the project to your own machine
  4. Commit changes to your own branch
  5. Push your work back up to your fork
  6. Submit a Pull Request so that we can review your changes

NOTE: Be sure to merge the latest changes from "upstream" before making a pull request!

🌎 Slack Community

Join our Open Source Community on Slack. It's FREE for everyone! Our "SweetOps" community is where you get to talk with others who share a similar vision for how to rollout and manage infrastructure. This is the best place to talk shop, ask questions, solicit feedback, and work together as a community to build totally sweet infrastructure.

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About

This project is maintained by Cloud Posse, LLC.

We are a DevOps Accelerator for funded startups and enterprises. Use our ready-to-go terraform architecture blueprints for AWS to get up and running quickly. We build it with you. You own everything. Your team wins. Plus, we stick around until you succeed.

Learn More

Your team can operate like a pro today.

Ensure that your team succeeds by using our proven process and turnkey blueprints. Plus, we stick around until you succeed.

📚 See What's Included
  • Reference Architecture. You'll get everything you need from the ground up built using 100% infrastructure as code.
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License

License

Preamble to the Apache License, Version 2.0 

Licensed to the Apache Software Foundation (ASF) under one
or more contributor license agreements.  See the NOTICE file
distributed with this work for additional information
regarding copyright ownership.  The ASF licenses this file
to you under the Apache License, Version 2.0 (the
"License"); you may not use this file except in compliance
with the License.  You may obtain a copy of the License at

  https://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing,
software distributed under the License is distributed on an
"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
KIND, either express or implied.  See the License for the
specific language governing permissions and limitations
under the License.

Trademarks

All other trademarks referenced herein are the property of their respective owners.

Copyright © 2017-2024 Cloud Posse, LLC

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