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terraform-aws-s3-log-storage Latest Release Slack Community

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Cloud Posse

This module creates an S3 bucket suitable for receiving logs from other AWS services such as S3, CloudFront, and CloudTrails.

It implements a configurable log retention policy, which allows you to efficiently manage logs across different storage classes (e.g. Glacier) and ultimately expire the data altogether.

It enables server-side default encryption.

https://docs.aws.amazon.com/AmazonS3/latest/dev/bucket-encryption.html

It blocks public access to the bucket by default.

https://docs.aws.amazon.com/AmazonS3/latest/dev/access-control-block-public-access.html

This project is part of our comprehensive "SweetOps" approach towards DevOps.

Terraform Open Source Modules

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

We literally have hundreds of terraform modules that are Open Source and well-maintained. Check them out!

Usage

IMPORTANT: The master branch is used in source just as an example. In your code, do not pin to master because there may be breaking changes between releases. Instead pin to the release tag (e.g. ?ref=tags/x.y.z) of one of our latest releases.

module "log_storage" {
  source                   = "git::https://github.com/cloudposse/terraform-aws-s3-log-storage.git?ref=master"
  name                     = "logs"
  stage                    = "test"
  namespace                = "eg"
  acl                      = "log-delivery-write"
  standard_transition_days = 30
  glacier_transition_days  = 60
  expiration_days          = 90
}

Makefile Targets

Available targets:

  help                                Help screen
  help/all                            Display help for all targets
  help/short                          This help short screen
  lint                                Lint terraform code

Requirements

Name Version
terraform >= 0.12.0
aws >= 2.0
local >= 1.2
null >= 2.0

Providers

Name Version
aws >= 2.0

Inputs

Name Description Type Default Required
abort_incomplete_multipart_upload_days Maximum time (in days) that you want to allow multipart uploads to remain in progress number 5 no
access_log_bucket_name Name of the S3 bucket where s3 access log will be sent to string "" no
acl The canned ACL to apply. We recommend log-delivery-write for compatibility with AWS services string "log-delivery-write" no
additional_tag_map Additional tags for appending to tags_as_list_of_maps. Not added to tags. map(string) {} no
attributes Additional attributes (e.g. 1) list(string) [] no
block_public_acls Set to false to disable the blocking of new public access lists on the bucket bool true no
block_public_policy Set to false to disable the blocking of new public policies on the bucket 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.		 
object({
    enabled             = bool
    namespace           = string
    environment         = string
    stage               = string
    name                = string
    delimiter           = string
    attributes          = list(string)
    tags                = map(string)
    additional_tag_map  = map(string)
    regex_replace_chars = string
    label_order         = list(string)
    id_length_limit     = number
  })
 
{
  "additional_tag_map": {},
  "attributes": [],
  "delimiter": null,
  "enabled": true,
  "environment": null,
  "id_length_limit": null,
  "label_order": [],
  "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
enable_glacier_transition Enables the transition to AWS Glacier which can cause unnecessary costs for huge amount of small files bool true 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
expiration_days Number of days after which to expunge the objects number 90 no
force_destroy (Optional, Default:false ) A boolean that indicates all objects should be deleted from the bucket so that the bucket can be destroyed without error. These objects are not recoverable bool false no
glacier_transition_days Number of days after which to move the data to the glacier storage tier number 60 no
id_length_limit Limit id to this many characters.
Set to 0 for unlimited length.
Set to null for default, which is 0.
Does not affect id_full.		 number null no
ignore_public_acls Set to false to disable the ignoring of public access lists on the bucket bool true no
kms_master_key_arn The AWS KMS master key ARN used for the SSE-KMS encryption. This can only be used when you set the value of sse_algorithm as aws:kms. The default aws/s3 AWS KMS master key is used if this element is absent while the sse_algorithm is aws:kms string "" 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
lifecycle_prefix Prefix filter. Used to manage object lifecycle events string "" no
lifecycle_rule_enabled Enable lifecycle events on this bucket bool true no
lifecycle_tags Tags filter. Used to manage object lifecycle events map(string) {} 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
noncurrent_version_expiration_days Specifies when noncurrent object versions expire number 90 no
noncurrent_version_transition_days Specifies when noncurrent object versions transitions number 30 no
policy A valid bucket policy JSON document. Note that if the policy document is not specific enough (but still valid), Terraform may view the policy as constantly changing in a terraform plan. In this case, please make sure you use the verbose/specific version of the policy string "" 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
restrict_public_buckets Set to false to disable the restricting of making the bucket public bool true no
sse_algorithm The server-side encryption algorithm to use. Valid values are AES256 and aws:kms string "AES256" no
stage Stage, e.g. 'prod', 'staging', 'dev', OR 'source', 'build', 'test', 'deploy', 'release' string null no
standard_transition_days Number of days to persist in the standard storage tier before moving to the infrequent access tier number 30 no
tags Additional tags (e.g. map('BusinessUnit','XYZ') map(string) {} no
versioning_enabled A state of versioning. Versioning is a means of keeping multiple variants of an object in the same bucket bool false no

Outputs

Name Description
bucket_arn Bucket ARN
bucket_domain_name FQDN of bucket
bucket_id Bucket Name (aka ID)
enabled Is module enabled
prefix Prefix configured for lifecycle rules

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Contributing

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 our other projects, we would love to hear from you! Shoot us an email.

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

  1. Fork the repo on GitHub
  2. Clone the project to your own machine
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  4. Push your work back up to your fork
  5. 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!

Copyright

Copyright © 2017-2020 Cloud Posse, LLC

License

License

See LICENSE for full details.

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.

About

This project is maintained and funded by Cloud Posse, LLC. Like it? Please let us know by leaving a testimonial!

Cloud Posse

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Contributors

Erik Osterman
Erik Osterman		 Andriy Knysh
Andriy Knysh		 Vladimir
Vladimir		 Gonzalo Peci
Gonzalo Peci

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