Add support for dynamic tags (#3897)
* Allow creation of dynamic tags * Extend project factory and related modules to support dynamic values * Extend folder and organization modules * project and organization readme * Simplify dynamic tag support and remove unnecessary restrictions • Schemas & Validations: Removed the restriction that forbade combining IAM fields with allowed_values_regex on tags. Updated validations in project and organization modules, and simplified all relevant JSON schemas. • Module Tag Bindings: Simplified the tag_value assignment in folder , project , gcs , bigquery-dataset , and kms modules by removing the defensive can(regex(...)) check and calling templatestring directly. • Outputs: Removed the tags_dynamic output from project and organization modules, as the same information is now available in tag_keys . • Project Factory: Updated tag_vars_projects in projects.tf to use the native namespaced_name attribute and filtered manually for dynamic tags. * fix(organization, project): fix linting and tests for dynamic tag support - Align allowed_values_regex and description extraction in _tags_merged locals to use lookup() for consistency with other fields. - Fix spacing in project context variable (alphabetical ordering). - Update organization tags test to include the new cost_center tag key with allowed_values_regex. - Update project tags test to include the new cost_center tag key and reflect the resolved allowed_values_regex on environment. * refactor(gcs): refine tag bindings and fix context test - Add _tag_bindings local to pre-resolve context references, enabling templatestring to receive a direct map reference (required by Terraform). - Use var.context.tag_vars instead of the non-existent local.ctx.tag_vars. - Fix HCL syntax in context.tfvars (escaped inner quotes). - Update context test inventory to reflect 3 tag bindings including a dynamic value resolved via templatestring. * refactor: align modules with tag binding context pattern - Add _tag_bindings local + templatestring dance to cloud-run-v2, compute-vm, folder, kms modules (bigquery-dataset already had it) - Exclude tag_vars from local.ctx in cloud-run-v2, compute-vm, folder, kms, project modules (bigquery-dataset already had it) - Add tag_vars to context variable in cloud-run-v2, compute-vm modules (others already had it) - Update all context tests with dynamic tag binding values using var.context.tag_vars * docs: add module-level tftest.yaml test instructions to GEMINI.md * docs: regenerate READMEs after tag-regex alignment - Regenerate variable tables in 7 module READMEs to reflect line number shifts from prior tag-regex changes - Add tag_vars exclusion to gcs ctx local - Fix whitespace alignment in iam-service-account and project-factory tag_vars blocks - Update tftest resource counts for organization and project - Remove tags_dynamic from organization/project output tables * fix(project-factory): update test inventory for tag_bindings module split - Move tag binding address from folder-2 to folder-2-iam in test inventory (tag_bindings moved from creation to IAM modules) - Update module instance count from 34 to 35 - Regenerate README tables after terraform fmt line shifts - Apply terraform fmt to variables.tf * refactor(project-factory): remove unnecessary depends_on from folder-iam modules Folder IAM modules depend on their own folder creation modules, not on module.projects. The explicit depends_on was leftover from an earlier design. * FAST stages * Address review comments. - FAST Stages: - Added tag_keys to output-files.tf in 0-org-setup to pass org tags via tfvars. - Sorted tag_keys and tag_values in output-files.tf. - Updated project-factory, networking, and security stages to use tag_keys. - Filtered tag_keys for dynamic tags only. - Modules: - Excluded tag_vars from local.ctx in iam-service-account and organization. - Simplified tag_value in iam-service-account. - Tests: - Updated test inventories for 0-org-setup and project-factory. * Fix tf format * Fix tfdoc * docs: add ADR for templatestring vars convention and update status of base path ADR * More tfdoc * Update schemas * Use endswith in context loop * Address review * Update FAST readmes * Update last modules * Terraform fmt * Revert alloydb * Fix whitespace --------- Co-authored-by: Ludovico Magnocavallo <ludo@qix.it>
This commit is contained in:
Julio Castillo
@@ -214,10 +214,10 @@ module "secret-manager" {
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| name | description | type | required | default |
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|---|---|:---:|:---:|:---:|
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| [project_id](variables.tf#L40) | Project id where the keyring will be created. | <code>string</code> | ✓ | |
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| [project_id](variables.tf#L44) | Project id where the keyring will be created. | <code>string</code> | ✓ | |
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| [context](variables.tf#L17) | Context-specific interpolations. | <code>object({…})</code> | | <code>{}</code> |
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| [project_number](variables.tf#L45) | Project number of var.project_id. Set this to avoid permadiffs when creating tag bindings. | <code>string</code> | | <code>null</code> |
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| [secrets](variables.tf#L51) | Map of secrets to manage. Defaults to global secrets unless region is set. | <code>map(object({…}))</code> | | <code>{}</code> |
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| [project_number](variables.tf#L49) | Project number of var.project_id. Set this to avoid permadiffs when creating tag bindings. | <code>string</code> | | <code>null</code> |
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| [secrets](variables.tf#L55) | Map of secrets to manage. Defaults to global secrets unless region is set. | <code>map(object({…}))</code> | | <code>{}</code> |
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## Outputs
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@@ -127,5 +127,5 @@ resource "google_tags_tag_binding" "binding" {
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local.tag_project,
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google_secret_manager_secret.default[each.value.secret].secret_id
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)
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tag_value = lookup(local.ctx.tag_values, each.value.tag, each.value.tag)
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tag_value = templatestring(local._tag_bindings[each.key], var.context.tag_vars)
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}
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@@ -18,7 +18,7 @@ locals {
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ctx = {
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for k, v in var.context : k => {
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for kk, vv in v : "${local.ctx_p}${k}:${kk}" => vv
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} if k != "condition_vars"
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} if !endswith(k, "_vars")
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}
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ctx_p = "$"
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project_id = lookup(local.ctx.project_ids, var.project_id, var.project_id)
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@@ -33,6 +33,9 @@ locals {
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}
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if v.tag_bindings != null
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]...)
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_tag_bindings = {
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for k, v in local.tag_bindings : k => lookup(local.ctx.tag_values, v.tag, v.tag)
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}
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versions = flatten([
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for k, v in var.secrets : [
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for sk, sv in v.versions : merge(sv, {
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@@ -86,5 +86,5 @@ resource "google_tags_location_tag_binding" "binding" {
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google_secret_manager_regional_secret.default[each.value.secret].secret_id
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)
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location = lookup(local.ctx.locations, each.value.location, each.value.location)
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tag_value = lookup(local.ctx.tag_values, each.value.tag, each.value.tag)
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tag_value = templatestring(local._tag_bindings[each.key], var.context.tag_vars)
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}
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@@ -25,6 +25,10 @@ variable "context" {
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project_ids = optional(map(string), {})
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tag_keys = optional(map(string), {})
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tag_values = optional(map(string), {})
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tag_vars = optional(object({
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projects = optional(map(map(string)), {})
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organization = optional(map(string), {})
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}), {})
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})
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default = {}
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nullable = false
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