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This component is responsible for provisioning S3 buckets.

Usage

Stack Level: Regional

Here are some example snippets for how to use this component:

stacks/s3/defaults.yaml file (base component for all S3 buckets with default settings):

components:
  terraform:
    s3-bucket-defaults:
      metadata:
        type: abstract
      settings:
        spacelift:
          workspace_enabled: true
      vars:
        enabled: true
        account_map_tenant_name: core
        # Suggested configuration for all buckets
        user_enabled: false
        acl: "private"
        grants: null
        force_destroy: false
        versioning_enabled: false
        allow_encrypted_uploads_only: true
        block_public_acls: true
        block_public_policy: true
        ignore_public_acls: true
        restrict_public_buckets: true
        allow_ssl_requests_only: true
        lifecycle_configuration_rules:
          - id: default
            enabled: true
            abort_incomplete_multipart_upload_days: 90
            filter_and:
              prefix: ""
              tags: {}
            transition:
              - storage_class: GLACIER
                days: 60
            noncurrent_version_transition:
              - storage_class: GLACIER
                days: 60
            noncurrent_version_expiration:
              days: 90
            expiration:
              days: 120
import:
  - catalog/s3/defaults

components:
  terraform:
    template-bucket:
      metadata:
        component: s3-bucket
        inherits:
          - s3-bucket-defaults
      vars:
        enabled: true
        name: template
        logging_bucket_name_rendering_enabled: true
        logging:
          bucket_name: s3-access-logs
          prefix: logs/

Requirements

Name Version
terraform >= 1.0.0
aws >= 4.0
template >= 2.2.0

Providers

Name Version
aws >= 4.0
template >= 2.2.0

Modules

Name Source Version
account_map cloudposse/stack-config/yaml//modules/remote-state 1.5.0
bucket_policy cloudposse/iam-policy/aws 0.4.0
iam_roles ../account-map/modules/iam-roles n/a
s3_bucket cloudposse/s3-bucket/aws 3.1.1
this cloudposse/label/null 0.25.0

Resources

Name Type
aws_iam_policy_document.custom_policy data source
aws_partition.current data source
template_file.bucket_policy data source

Inputs

Name Description Type Default Required
account_map_environment_name The name of the environment where account_map is provisioned string "gbl" no
account_map_stage_name The name of the stage where account_map is provisioned string "root" no
account_map_tenant_name The name of the tenant where account_map is provisioned.

If the tenant label is not used, leave this as null.
string null no
acl The canned ACL to apply.
We recommend private to avoid exposing sensitive information. Conflicts with grants.
string "private" no
additional_tag_map Additional key-value pairs to add to each map in tags_as_list_of_maps. Not added to tags or id.
This is for some rare cases where resources want additional configuration of tags
and therefore take a list of maps with tag key, value, and additional configuration.
map(string) {} no
allow_encrypted_uploads_only Set to true to prevent uploads of unencrypted objects to S3 bucket bool false no
allow_ssl_requests_only Set to true to require requests to use Secure Socket Layer (HTTPS/SSL). This will explicitly deny access to HTTP requests bool false no
allowed_bucket_actions List of actions the user is permitted to perform on the S3 bucket list(string)
[
"s3:PutObject",
"s3:PutObjectAcl",
"s3:GetObject",
"s3:DeleteObject",
"s3:ListBucket",
"s3:ListBucketMultipartUploads",
"s3:GetBucketLocation",
"s3:AbortMultipartUpload"
]
no
attributes ID element. Additional attributes (e.g. workers or cluster) to add to id,
in the order they appear in the list. New attributes are appended to the
end of the list. The elements of the list are joined by the delimiter
and treated as a single ID element.
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
bucket_key_enabled Set this to true to use Amazon S3 Bucket Keys for SSE-KMS, which reduce the cost of AWS KMS requests.
For more information, see: https://docs.aws.amazon.com/AmazonS3/latest/userguide/bucket-key.html
bool false no
bucket_name Bucket name. If provided, the bucket will be created with this name instead of generating the name from the context string "" 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,
"descriptor_formats": {},
"enabled": true,
"environment": null,
"id_length_limit": null,
"label_key_case": null,
"label_order": [],
"label_value_case": null,
"labels_as_tags": [
"unset"
],
"name": null,
"namespace": null,
"regex_replace_chars": null,
"stage": null,
"tags": {},
"tenant": null
}
no
cors_configuration Specifies the allowed headers, methods, origins and exposed headers when using CORS on this bucket
list(object({
allowed_headers = list(string)
allowed_methods = list(string)
allowed_origins = list(string)
expose_headers = list(string)
max_age_seconds = number
}))
null no
custom_policy_account_names List of accounts names to assign as principals for the s3 bucket custom policy list(string) [] no
custom_policy_actions List of S3 Actions for the custom policy list(string) [] no
custom_policy_enabled Whether to enable or disable the custom policy. If enabled, the default policy will be ignored bool false no
delimiter Delimiter to be used between ID elements.
Defaults to - (hyphen). Set to "" to use no delimiter at all.
string null no
descriptor_formats Describe additional descriptors to be output in the descriptors output map.
Map of maps. Keys are names of descriptors. Values are maps of the form
{<br/> format = string<br/> labels = list(string)<br/>}
(Type is any so the map values can later be enhanced to provide additional options.)
format is a Terraform format string to be passed to the format() function.
labels is a list of labels, in order, to pass to format() function.
Label values will be normalized before being passed to format() so they will be
identical to how they appear in id.
Default is {} (descriptors output will be empty).
any {} no
enabled Set to false to prevent the module from creating any resources bool null no
environment ID element. Usually used for region e.g. 'uw2', 'us-west-2', OR role 'prod', 'staging', 'dev', 'UAT' string null no
force_destroy When true, permits a non-empty S3 bucket to be deleted by first deleting all objects in the bucket.
THESE OBJECTS ARE NOT RECOVERABLE even if they were versioned and stored in Glacier.
bool false no
grants A list of policy grants for the bucket, taking a list of permissions.
Conflicts with acl. Set acl to null to use this.
list(object({
id = string
type = string
permissions = list(string)
uri = string
}))
[] no
iam_policy_statements Map of IAM policy statements to use in the bucket policy. any {} no
id_length_limit Limit id to this many characters (minimum 6).
Set to 0 for unlimited length.
Set to null for keep the existing setting, which defaults to 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_key_case Controls the letter case of the tags keys (label names) for tags generated by this module.
Does not affect keys of tags passed in via the tags input.
Possible values: lower, title, upper.
Default value: title.
string null no
label_order The order in which the labels (ID elements) appear in the id.
Defaults to ["namespace", "environment", "stage", "name", "attributes"].
You can omit any of the 6 labels ("tenant" is the 6th), but at least one must be present.
list(string) null no
label_value_case Controls the letter case of ID elements (labels) as included in id,
set as tag values, and output by this module individually.
Does not affect values of tags passed in via the tags input.
Possible values: lower, title, upper and none (no transformation).
Set this to title and set delimiter to "" to yield Pascal Case IDs.
Default value: lower.
string null no
labels_as_tags Set of labels (ID elements) to include as tags in the tags output.
Default is to include all labels.
Tags with empty values will not be included in the tags output.
Set to [] to suppress all generated tags.
Notes:
The value of the name tag, if included, will be the id, not the name.
Unlike other null-label inputs, the initial setting of labels_as_tags cannot be
changed in later chained modules. Attempts to change it will be silently ignored.
set(string)
[
"default"
]
no
lifecycle_configuration_rules A list of lifecycle V2 rules
list(object({
enabled = bool
id = string

abort_incomplete_multipart_upload_days = number

# filter_and is the and configuration block inside the filter configuration.
# This is the only place you should specify a prefix.
filter_and = any
expiration = any
transition = list(any)

noncurrent_version_expiration = any
noncurrent_version_transition = list(any)
}))
[] no
logging Bucket access logging configuration.
object({
bucket_name = string
prefix = string
})
null no
logging_bucket_name_rendering_enabled Whether to render the logging bucket name, prepending context bool false no
logging_bucket_name_rendering_template The template for the template used to render Bucket Name for the Logging bucket.
Default is appropriate when using tenant and default label order with null-label.
Use "%s-%s-%s-%%s" when not using tenant.
string "%s-%s-%s-%s-%s" no
logging_bucket_prefix_rendering_template The template for the template used to render Bucket Prefix for the Logging bucket, uses the format var.logging.prefix/var.name string "%s/%s/" no
name ID element. Usually the component or solution name, e.g. 'app' or 'jenkins'.
This is the only ID element not also included as a tag.
The "name" tag is set to the full id string. There is no tag with the value of the name input.
string null no
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
object_lock_configuration A configuration for S3 object locking. With S3 Object Lock, you can store objects using a write once, read many (WORM) model. Object Lock can help prevent objects from being deleted or overwritten for a fixed amount of time or indefinitely.
object({
mode = string # Valid values are GOVERNANCE and COMPLIANCE.
days = number
years = number
})
null no
privileged_principal_actions List of actions to permit privileged_principal_arns to perform on bucket and bucket prefixes (see privileged_principal_arns) list(string) [] no
privileged_principal_arns List of maps. Each map has one key, an IAM Principal ARN, whose associated value is
a list of S3 path prefixes to grant privileged_principal_actions permissions for that principal,
in addition to the bucket itself, which is automatically included. Prefixes should not begin with '/'.
list(map(list(string))) [] no
regex_replace_chars Terraform regular expression (regex) string.
Characters matching the regex will be removed from the ID elements.
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
restrict_public_buckets Set to false to disable the restricting of making the bucket public bool true no
s3_object_ownership Specifies the S3 object ownership control. Valid values are ObjectWriter, BucketOwnerPreferred, and 'BucketOwnerEnforced'. string "ObjectWriter" no
s3_replica_bucket_arn A single S3 bucket ARN to use for all replication rules.
Note: The destination bucket can be specified in the replication rule itself
(which allows for multiple destinations), in which case it will take precedence over this variable.
string "" no
s3_replication_enabled Set this to true and specify s3_replication_rules to enable replication. versioning_enabled must also be true. bool false no
s3_replication_rules Specifies the replication rules for S3 bucket replication if enabled. You must also set s3_replication_enabled to true. list(any) null no
s3_replication_source_roles Cross-account IAM Role ARNs that will be allowed to perform S3 replication to this bucket (for replication within the same AWS account, it's not necessary to adjust the bucket policy). list(string) [] no
source_policy_documents List of IAM policy documents that are merged together into the exported document.
Statements defined in source_policy_documents or source_json must have unique SIDs.
Statement having SIDs that match policy SIDs generated by this module will override them.
list(string) [] no
sse_algorithm The server-side encryption algorithm to use. Valid values are AES256 and aws:kms string "AES256" no
stage ID element. Usually used to indicate role, e.g. 'prod', 'staging', 'source', 'build', 'test', 'deploy', 'release' string null no
tags Additional tags (e.g. {'BusinessUnit': 'XYZ'}).
Neither the tag keys nor the tag values will be modified by this module.
map(string) {} no
tenant ID element _(Rarely used, not included by default)_. A customer identifier, indicating who this instance of a resource is for string null no
transfer_acceleration_enabled Set this to true to enable S3 Transfer Acceleration for the bucket. bool false no
user_enabled Set to true to create an IAM user with permission to access the bucket bool false no
versioning_enabled A state of versioning. Versioning is a means of keeping multiple variants of an object in the same bucket bool true no
website_inputs Specifies the static website hosting configuration object.
list(object({
index_document = string
error_document = string
redirect_all_requests_to = string
routing_rules = string
}))
null no

Outputs

Name Description
bucket_arn Bucket ARN
bucket_domain_name Bucket domain name
bucket_id Bucket ID
bucket_region Bucket region
bucket_regional_domain_name Bucket region-specific domain name

References


Note

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

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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

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License

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