Update to standard context, go mods, and GitHub config

.github/CODEOWNERS

@@ -12,3 +12,6 @@
 
 # Cloud Posse must review any changes to GitHub actions
 .github/*     @cloudposse/engineering
+
+# Cloud Posse must review any changes to standard context definition
+**/context.tf   @cloudposse/engineering

.github/auto-release.yml

@@ -0,0 +1,40 @@
+name-template: 'v$RESOLVED_VERSION'
+tag-template: '$RESOLVED_VERSION'
+version-template: '$MAJOR.$MINOR.$PATCH'
+version-resolver:
+  major:
+    labels:
+      - 'major'
+  minor:
+    labels:
+      - 'minor'
+      - 'enhancement'
+  patch:
+    labels:
+      - 'patch'
+      - 'fix'
+      - 'bugfix'
+      - 'bug'
+      - 'hotfix'
+  default: 'minor'
+
+categories:
+  - title: '🚀 Enhancements'
+    labels:
+      - 'enhancement'
+  - title: '🐛 Bug Fixes'
+    labels:
+      - 'fix'
+      - 'bugfix'
+      - 'bug'
+      - 'hotfix'
+
+change-template: |
+  <details>
+    <summary>$TITLE @$AUTHOR (#$NUMBER)</summary>
+
+    $BODY
+  </details>
+
+template: |
+  $CHANGES

.github/workflows/auto-release.yml

@@ -0,0 +1,19 @@
+name: auto-release
+
+on:
+  push:
+    branches:
+      - master
+
+jobs:
+  semver:
+    runs-on: ubuntu-latest
+    steps:
+      # Drafts your next Release notes as Pull Requests are merged into "master"
+      - uses: release-drafter/release-drafter@v5
+        with:
+          publish: true
+          prerelease: false
+          config-name: auto-release.yml
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/chatops.yml

@@ -9,13 +9,13 @@ jobs:
     steps:
       - uses: actions/checkout@v2
       - name: "Handle common commands"
-        uses: cloudposse/actions/github/slash-command-dispatch@0.15.0
+        uses: cloudposse/actions/github/slash-command-dispatch@0.16.0
         with:
           token: ${{ secrets.PUBLIC_REPO_ACCESS_TOKEN }}
           reaction-token: ${{ secrets.GITHUB_TOKEN }}
           repository: cloudposse/actions
           commands: rebuild-readme, terraform-fmt
-          permission: none
+          permission: triage
           issue-type: pull-request
 
   test:
@@ -24,13 +24,13 @@ jobs:
       - name: "Checkout commit"
         uses: actions/checkout@v2
       - name: "Run tests"
-        uses: cloudposse/actions/github/slash-command-dispatch@0.15.0
+        uses: cloudposse/actions/github/slash-command-dispatch@0.16.0
         with:
           token: ${{ secrets.PUBLIC_REPO_ACCESS_TOKEN }}
           reaction-token: ${{ secrets.GITHUB_TOKEN }}
           repository: cloudposse/actions
           commands: test
-          permission: none
+          permission: triage
           issue-type: pull-request
           reactions: false
 

README.md

@@ -178,7 +178,7 @@ Available targets:
 | Name | Version |
 |------|---------|
 | terraform | >= 0.12.0, < 0.14.0 |
-| aws | ~> 2.0 |
+| aws | >= 2.0, <=4.0 |
 | local | ~> 1.2 |
 | null | ~> 2.0 |
 | template | ~> 2.0 |
@@ -187,41 +187,42 @@ Available targets:
 
 | Name | Version |
 |------|---------|
-| aws | ~> 2.0 |
+| aws | >= 2.0, <=4.0 |
 
 ## Inputs
 
 | Name | Description | Type | Default | Required |
 |------|-------------|------|---------|:--------:|
-| additional\_tag\_map | Additional tags for appending to each tag map | `map(string)` | `{}` | no |
-| attributes | Any extra attributes for naming these resources | `list(string)` | `[]` | 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 |
 | availability\_zones | List of Availability Zones where subnets will be created | `list(string)` | n/a | yes |
 | aws\_route\_create\_timeout | Time to wait for AWS route creation specifed as a Go Duration, e.g. `2m` | `string` | `"2m"` | no |
 | aws\_route\_delete\_timeout | Time to wait for AWS route deletion specifed as a Go Duration, e.g. `5m` | `string` | `"5m"` | no |
 | cidr\_block | Base CIDR block which will be divided into subnet CIDR blocks (e.g. `10.0.0.0/16`) | `string` | n/a | yes |
-| context | Default context to use for passing state between label invocations | <pre>object({<br>    namespace           = string<br>    environment         = string<br>    stage               = string<br>    name                = string<br>    enabled             = bool<br>    delimiter           = string<br>    attributes          = list(string)<br>    label_order         = list(string)<br>    tags                = map(string)<br>    additional_tag_map  = map(string)<br>    regex_replace_chars = string<br>  })</pre> | <pre>{<br>  "additional_tag_map": {},<br>  "attributes": [],<br>  "delimiter": "",<br>  "enabled": true,<br>  "environment": "",<br>  "label_order": [],<br>  "name": "",<br>  "namespace": "",<br>  "regex_replace_chars": "",<br>  "stage": "",<br>  "tags": {}<br>}</pre> | no |
-| delimiter | Delimiter to be used between `namespace`, `stage`, `name` and `attributes` | `string` | `"-"` | no |
-| enabled | Set to false to prevent the module from creating any resources | `bool` | `true` | no |
-| environment | The environment name if not using stage | `string` | `""` | no |
+| 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. | <pre>object({<br>    enabled             = bool<br>    namespace           = string<br>    environment         = string<br>    stage               = string<br>    name                = string<br>    delimiter           = string<br>    attributes          = list(string)<br>    tags                = map(string)<br>    additional_tag_map  = map(string)<br>    regex_replace_chars = string<br>    label_order         = list(string)<br>    id_length_limit     = number<br>  })</pre> | <pre>{<br>  "additional_tag_map": {},<br>  "attributes": [],<br>  "delimiter": null,<br>  "enabled": true,<br>  "environment": null,<br>  "id_length_limit": null,<br>  "label_order": [],<br>  "name": null,<br>  "namespace": null,<br>  "regex_replace_chars": null,<br>  "stage": null,<br>  "tags": {}<br>}</pre> | no |
+| 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 |
+| 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 |
 | existing\_nat\_ips | Existing Elastic IPs to attach to the NAT Gateway or Instance instead of creating a new one. | `list(string)` | `[]` | no |
+| id\_length\_limit | Limit `id` to this many characters.<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 |
 | igw\_id | Internet Gateway ID the public route table will point to (e.g. `igw-9c26a123`) | `string` | n/a | yes |
-| label\_order | The naming order of the ID output and Name tag | `list(string)` | `[]` | no |
+| 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 |
 | map\_public\_ip\_on\_launch | Instances launched into a public subnet should be assigned a public IP address | `bool` | `true` | no |
 | max\_subnet\_count | Sets the maximum amount of subnets to deploy. 0 will deploy a subnet for every provided availablility zone (in `availability_zones` variable) within the region | `number` | `0` | no |
-| name | Solution name, e.g. 'app' or 'cluster' | `string` | `""` | no |
-| namespace | Namespace, which could be your organization name or abbreviation, e.g. 'eg' or 'cp' | `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 |
 | nat\_gateway\_enabled | Flag to enable/disable NAT Gateways to allow servers in the private subnets to access the Internet | `bool` | `true` | no |
 | nat\_instance\_enabled | Flag to enable/disable NAT Instances to allow servers in the private subnets to access the Internet | `bool` | `false` | no |
 | nat\_instance\_type | NAT Instance type | `string` | `"t3.micro"` | no |
 | private\_network\_acl\_id | Network ACL ID that will be added to private subnets. If empty, a new ACL will be created | `string` | `""` | no |
 | private\_subnets\_additional\_tags | Additional tags to be added to private subnets | `map(string)` | `{}` | no |
 | public\_network\_acl\_id | Network ACL ID that will be added to public subnets. If empty, a new ACL will be created | `string` | `""` | no |
 | public\_subnets\_additional\_tags | Additional tags to be added to public subnets | `map(string)` | `{}` | no |
-| regex\_replace\_chars | Regex to replace chars with empty string in `namespace`, `environment`, `stage` and `name`. By default only hyphens, letters and digits are allowed, all other chars are removed | `string` | `"/[^a-zA-Z0-9-]/"` | no |
-| stage | Stage, e.g. 'prod', 'staging', 'dev', or 'test' | `string` | `""` | no |
+| 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 |
+| stage | Stage, e.g. 'prod', 'staging', 'dev', OR 'source', 'build', 'test', 'deploy', 'release' | `string` | `null` | no |
 | subnet\_type\_tag\_key | Key for subnet type tag to provide information about the type of subnets, e.g. `cpco.io/subnet/type=private` or `cpco.io/subnet/type=public` | `string` | `"cpco.io/subnet/type"` | no |
 | subnet\_type\_tag\_value\_format | This is using the format interpolation symbols to allow the value of the subnet\_type\_tag\_key to be modified. | `string` | `"%s"` | no |
-| tags | Additional tags to apply to all resources that use this label module | `map(string)` | `{}` | no |
+| tags | Additional tags (e.g. `map('BusinessUnit','XYZ')` | `map(string)` | `{}` | no |
 | vpc\_default\_route\_table\_id | Default route table for public subnets. If not set, will be created. (e.g. `rtb-f4f0ce12`) | `string` | `""` | no |
 | vpc\_id | VPC ID where subnets will be created (e.g. `vpc-aceb2723`) | `string` | n/a | yes |
 

context.tf

@@ -0,0 +1,172 @@
+#
+# Copy this file from https://github.com/cloudposse/terraform-null-label/blob/master/exports/context.tf
+# and then place it in your Terraform module to automatically get
+# Cloud Posse's standard configuration inputs suitable for passing
+# to Cloud Posse modules.
+#
+# Modules should access the whole context as `module.this.context`
+# to get the input variables with nulls for defaults,
+# for example `context = module.this.context`,
+# and access individual variables as `module.this.<var>`,
+# with final values filled in.
+#
+# For example, when using defaults, `module.this.context.delimiter`
+# will be null, and `module.this.delimiter` will be `-` (hyphen).
+#
+# ONLY EDIT THIS FILE IN github.com/cloudposse/terraform-null-label
+# All other instances of this file should be a copy of that one
+#
+
+# Copy contents of cloudposse/terraform-null-label/variables.tf here
+variable "context" {
+  type = 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
+  })
+  default = {
+    enabled             = true
+    namespace           = null
+    environment         = null
+    stage               = null
+    name                = null
+    delimiter           = null
+    attributes          = []
+    tags                = {}
+    additional_tag_map  = {}
+    regex_replace_chars = null
+    label_order         = []
+    id_length_limit     = null
+  }
+  description = <<-EOT
+    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.
+EOT
+}
+
+variable "enabled" {
+  type        = bool
+  default     = null
+  description = "Set to false to prevent the module from creating any resources"
+}
+
+variable "namespace" {
+  type        = string
+  default     = null
+  description = "Namespace, which could be your organization name or abbreviation, e.g. 'eg' or 'cp'"
+}
+
+variable "environment" {
+  type        = string
+  default     = null
+  description = "Environment, e.g. 'uw2', 'us-west-2', OR 'prod', 'staging', 'dev', 'UAT'"
+}
+
+variable "stage" {
+  type        = string
+  default     = null
+  description = "Stage, e.g. 'prod', 'staging', 'dev', OR 'source', 'build', 'test', 'deploy', 'release'"
+}
+
+variable "name" {
+  type        = string
+  default     = null
+  description = "Solution name, e.g. 'app' or 'jenkins'"
+}
+
+variable "delimiter" {
+  type        = string
+  default     = null
+  description = <<-EOT
+    Delimiter to be used between `namespace`, `environment`, `stage`, `name` and `attributes`.
+    Defaults to `-` (hyphen). Set to `""` to use no delimiter at all.
+EOT
+}
+
+variable "attributes" {
+  type        = list(string)
+  default     = []
+  description = "Additional attributes (e.g. `1`)"
+}
+
+variable "tags" {
+  type        = map(string)
+  default     = {}
+  description = "Additional tags (e.g. `map('BusinessUnit','XYZ')`"
+}
+
+variable "additional_tag_map" {
+  type        = map(string)
+  default     = {}
+  description = "Additional tags for appending to tags_as_list_of_maps. Not added to `tags`."
+}
+
+variable "label_order" {
+  type        = list(string)
+  default     = null
+  description = <<-EOT
+    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.
+EOT
+}
+
+variable "regex_replace_chars" {
+  type        = string
+  default     = null
+  description = <<-EOT
+    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.
+EOT
+}
+
+variable "id_length_limit" {
+  type        = number
+  default     = null
+  description = <<-EOT
+    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`.
+EOT
+}
+
+#### End of copy of cloudposse/terraform-null-label/variables.tf
+
+#
+# Ensure all variables above are includes in input to module "this" below
+#
+# Modules should access the whole context as `module.this.context`
+# and access individual variables as `module.this.context.<var>`,
+# for example, `module.this.context.enabled`
+#
+module "this" {
+  source = "git::https://github.com/cloudposse/terraform-null-label.git?ref=tags/0.19.1"
+
+  enabled             = var.enabled
+  namespace           = var.namespace
+  environment         = var.environment
+  stage               = var.stage
+  name                = var.name
+  delimiter           = var.delimiter
+  attributes          = var.attributes
+  tags                = var.tags
+  additional_tag_map  = var.additional_tag_map
+  label_order         = var.label_order
+  regex_replace_chars = var.regex_replace_chars
+  id_length_limit     = var.id_length_limit
+
+  context = var.context
+}