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Merge pull request #1 from iits-consulting/feature/module
Initial Module creation
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‎.github/workflows/workflow.yaml

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name: Automation
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on:
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pull_request:
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jobs:
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automation-workflow:
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uses: iits-consulting/terraform-opentelekomcloud-common-workflows/.github/workflows/workflow-reusable.yaml@main
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‎README.md

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## otc-prometheus-exporter
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This module deploys our [otc-prometheus-exporter](https://github.com/iits-consulting/otc-prometheus-exporter) with wich metrics on the open telekom cloud can be monitored
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Example:
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```HCL
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module "otc_prometheus_exporter" {
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source = "iits-consulting/prometheus-exporter/opentelekomcloud"
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version = "SET_ME"
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name_prefix = "myCluster-PROD"
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domain_name = "EU-DE-XXXXX"
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chart_values = [
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yamlencode({
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deployment = {
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env = {
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NAMESPACES = "OBS,RDS"
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}
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}
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})
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]
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}
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```
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<!-- BEGIN_TF_DOCS -->
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## Requirements
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| Name | Version |
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|------|---------|
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| <a name="requirement_terraform"></a> [terraform](#requirement\_terraform) | >= 1.5.7 |
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| <a name="requirement_helm"></a> [helm](#requirement\_helm) | ~> 2.17 |
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| <a name="requirement_opentelekomcloud"></a> [opentelekomcloud](#requirement\_opentelekomcloud) | ~> 1.32 |
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## Providers
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| Name | Version |
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|------|---------|
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| <a name="provider_helm"></a> [helm](#provider\_helm) | ~> 2.17 |
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| <a name="provider_opentelekomcloud"></a> [opentelekomcloud](#provider\_opentelekomcloud) | ~> 1.32 |
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## Modules
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No modules.
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## Resources
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| Name | Type |
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|------|------|
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| [helm_release.otc-prometheus-exporter](https://registry.terraform.io/providers/hashicorp/helm/latest/docs/resources/release) | resource |
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| [opentelekomcloud_identity_credential_v3.user_aksk](https://registry.terraform.io/providers/opentelekomcloud/opentelekomcloud/latest/docs/resources/identity_credential_v3) | resource |
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| [opentelekomcloud_identity_group_membership_v3.user_to_ces_group](https://registry.terraform.io/providers/opentelekomcloud/opentelekomcloud/latest/docs/resources/identity_group_membership_v3) | resource |
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| [opentelekomcloud_identity_group_v3.ces_group](https://registry.terraform.io/providers/opentelekomcloud/opentelekomcloud/latest/docs/resources/identity_group_v3) | resource |
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| [opentelekomcloud_identity_role_assignment_v3.ces_role_to_ces_group](https://registry.terraform.io/providers/opentelekomcloud/opentelekomcloud/latest/docs/resources/identity_role_assignment_v3) | resource |
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| [opentelekomcloud_identity_user_v3.user](https://registry.terraform.io/providers/opentelekomcloud/opentelekomcloud/latest/docs/resources/identity_user_v3) | resource |
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| [opentelekomcloud_identity_project_v3.current](https://registry.terraform.io/providers/opentelekomcloud/opentelekomcloud/latest/docs/data-sources/identity_project_v3) | data source |
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| [opentelekomcloud_identity_role_v3.ces_role](https://registry.terraform.io/providers/opentelekomcloud/opentelekomcloud/latest/docs/data-sources/identity_role_v3) | data source |
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## Inputs
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| Name | Description | Type | Default | Required |
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|------|-------------|------|---------|:--------:|
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| <a name="input_domain_name"></a> [domain\_name](#input\_domain\_name) | Domain name of the OTC | `string` | n/a | yes |
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| <a name="input_name_prefix"></a> [name\_prefix](#input\_name\_prefix) | Prefix of the OTC ressources created. | `string` | n/a | yes |
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| <a name="input_chart_name"></a> [chart\_name](#input\_chart\_name) | Name of the IITS otc-prometheus-exporter chart. | `string` | `"otc-prometheus-exporter"` | no |
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| <a name="input_chart_repository"></a> [chart\_repository](#input\_chart\_repository) | Chart repository of the IITS otc-prometheus-exporter chart. | `string` | `"https://iits-consulting.github.io/otc-prometheus-exporter/"` | no |
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| <a name="input_chart_set_list_parameter"></a> [chart\_set\_list\_parameter](#input\_chart\_set\_list\_parameter) | Override the values of the IITS otc-prometheus-exporter chart using set\_list. | <pre>list(object({<br/> name = string<br/> value = list(string)<br/> }))</pre> | `[]` | no |
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| <a name="input_chart_set_parameter"></a> [chart\_set\_parameter](#input\_chart\_set\_parameter) | Override the values of the IITS otc-prometheus-exporter chart using set. | <pre>list(object({<br/> name = string<br/> value = optional(string)<br/> type = optional(string)<br/> }))</pre> | `[]` | no |
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| <a name="input_chart_set_sensitive_parameter"></a> [chart\_set\_sensitive\_parameter](#input\_chart\_set\_sensitive\_parameter) | Override the values of the IITS otc-prometheus-exporter chart using set\_sensitive. | <pre>list(object({<br/> name = string<br/> value = string<br/> type = optional(string)<br/> }))</pre> | `[]` | no |
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| <a name="input_chart_values"></a> [chart\_values](#input\_chart\_values) | Override the values of the IITS otc-prometheus-exporter chart using value files. | `list(string)` | `[]` | no |
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| <a name="input_chart_version"></a> [chart\_version](#input\_chart\_version) | Chart version of the IITS otc-prometheus-exporter chart. | `string` | `"1.2.9"` | no |
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| <a name="input_release_name"></a> [release\_name](#input\_release\_name) | Name ot the release namespace. | `string` | `"otc-prometheus-exporter"` | no |
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| <a name="input_release_namespace"></a> [release\_namespace](#input\_release\_namespace) | Kubernetes namespace to install the chart to. | `string` | `"monitoring"` | no |
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## Outputs
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No outputs.
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<!-- END_TF_DOCS -->

‎main.tf

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resource "helm_release" "otc-prometheus-exporter" {
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name = var.release_name
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chart = var.chart_name
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repository = var.chart_repository
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version = var.chart_version
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namespace = var.release_namespace
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create_namespace = true
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wait = true
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atomic = true
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timeout = 900 // 15 Minutes
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render_subchart_notes = true
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dependency_update = true
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wait_for_jobs = true
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values = concat([
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yamlencode({
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serviceMonitor = {
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labels = {
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release = "kube-prom-stack"
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}
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}
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})], var.chart_values)
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dynamic "set" {
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for_each = { for param in var.chart_set_parameter : param.name => {
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value = param.value
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type = param.type
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} }
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content {
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name = set.key
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value = set.value.value
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type = set.value.type
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}
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}
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dynamic "set_list" {
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for_each = { for param in var.chart_set_list_parameter : param.name => param.value }
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content {
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name = set_list.key
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value = set_list.value
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}
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}
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dynamic "set_sensitive" {
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for_each = {
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"deployment.env.OS_ACCESS_KEY" = opentelekomcloud_identity_credential_v3.user_aksk.access
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"deployment.env.OS_SECRET_KEY" = opentelekomcloud_identity_credential_v3.user_aksk.secret
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"deployment.env.OS_PROJECT_ID" = data.opentelekomcloud_identity_project_v3.current.id
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"deployment.env.OS_DOMAIN_NAME" = var.domain_name
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}
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content {
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name = set_sensitive.key
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value = set_sensitive.value
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}
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}
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dynamic "set_sensitive" {
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for_each = { for param in var.chart_set_sensitive_parameter : param.name => {
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value = param.value
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type = param.type
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} }
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content {
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name = set_sensitive.key
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value = set_sensitive.value.value
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type = set_sensitive.value.type
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}
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}
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}

‎otc_user.tf

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data "opentelekomcloud_identity_project_v3" "current" {}
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resource "opentelekomcloud_identity_user_v3" "user" {
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name = "${var.name_prefix}-prom"
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description = "CES read only access programmatic user for ${var.release_name}."
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enabled = true
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}
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data "opentelekomcloud_identity_role_v3" "ces_role" {
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name = "system_all_60" #CES ReadOnly Role
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}
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resource "opentelekomcloud_identity_group_v3" "ces_group" {
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name = "${var.name_prefix}-prom"
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description = "CES read only access group for ${var.release_name}."
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}
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resource "opentelekomcloud_identity_role_assignment_v3" "ces_role_to_ces_group" {
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group_id = opentelekomcloud_identity_group_v3.ces_group.id
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role_id = data.opentelekomcloud_identity_role_v3.ces_role.id
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project_id = data.opentelekomcloud_identity_project_v3.current.id
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lifecycle {
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ignore_changes = [project_id]
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}
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}
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resource "opentelekomcloud_identity_group_membership_v3" "user_to_ces_group" {
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group = opentelekomcloud_identity_group_v3.ces_group.id
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users = [opentelekomcloud_identity_user_v3.user.id]
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}
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resource "opentelekomcloud_identity_credential_v3" "user_aksk" {
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user_id = opentelekomcloud_identity_user_v3.user.id
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description = "CES read only user for ${var.release_name}."
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depends_on = [opentelekomcloud_identity_group_membership_v3.user_to_ces_group]
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}

‎variables.tf

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variable "name_prefix" {
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type = string
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description = "Prefix of the OTC ressources created."
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}
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variable "release_name" {
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default = "otc-prometheus-exporter"
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type = string
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description = "Name ot the release namespace."
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}
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variable "release_namespace" {
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type = string
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default = "monitoring"
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description = "Kubernetes namespace to install the chart to."
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}
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variable "domain_name" {
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type = string
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description = "Domain name of the OTC"
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}
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variable "chart_repository" {
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type = string
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default = "https://iits-consulting.github.io/otc-prometheus-exporter/"
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description = "Chart repository of the IITS otc-prometheus-exporter chart."
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}
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variable "chart_name" {
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type = string
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default = "otc-prometheus-exporter"
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description = "Name of the IITS otc-prometheus-exporter chart."
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}
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variable "chart_version" {
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type = string
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default = "1.2.9"
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description = "Chart version of the IITS otc-prometheus-exporter chart."
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}
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variable "chart_values" {
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type = list(string)
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default = []
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description = "Override the values of the IITS otc-prometheus-exporter chart using value files."
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}
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variable "chart_set_parameter" {
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type = list(object({
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name = string
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value = optional(string)
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type = optional(string)
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}))
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default = []
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description = "Override the values of the IITS otc-prometheus-exporter chart using set."
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}
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variable "chart_set_list_parameter" {
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type = list(object({
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name = string
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value = list(string)
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}))
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default = []
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description = "Override the values of the IITS otc-prometheus-exporter chart using set_list."
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}
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variable "chart_set_sensitive_parameter" {
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type = list(object({
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name = string
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value = string
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type = optional(string)
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}))
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default = []
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description = "Override the values of the IITS otc-prometheus-exporter chart using set_sensitive."
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}

‎versions.tf

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terraform {
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required_version = ">= 1.5.7"
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required_providers {
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helm = {
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source = "hashicorp/helm"
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version = "~> 2.17"
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}
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opentelekomcloud = {
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source = "opentelekomcloud/opentelekomcloud"
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version = "~> 1.32"
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}
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}
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}

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