From aacf57f94d31a5a9e1a372778c06ef9b0c2f7561 Mon Sep 17 00:00:00 2001
From: abhinavkumarsph <abhinavkumar@sph.com.sg>
Date: Wed, 21 Feb 2024 13:42:30 +0800
Subject: [PATCH 1/2] feat: index pattern submodule

---
 modules/dashboard/index-pattern/README.md    | 36 ++++++++++++++++++++
 modules/dashboard/index-pattern/main.tf      | 21 ++++++++++++
 modules/dashboard/index-pattern/outputs.tf   |  4 +++
 modules/dashboard/index-pattern/variables.tf | 15 ++++++++
 modules/dashboard/index-pattern/versions.tf  | 10 ++++++
 5 files changed, 86 insertions(+)
 create mode 100644 modules/dashboard/index-pattern/README.md
 create mode 100644 modules/dashboard/index-pattern/main.tf
 create mode 100644 modules/dashboard/index-pattern/outputs.tf
 create mode 100644 modules/dashboard/index-pattern/variables.tf
 create mode 100644 modules/dashboard/index-pattern/versions.tf

diff --git a/modules/dashboard/index-pattern/README.md b/modules/dashboard/index-pattern/README.md
new file mode 100644
index 0000000..43e3165
--- /dev/null
+++ b/modules/dashboard/index-pattern/README.md
@@ -0,0 +1,36 @@
+## Requirements
+
+| Name | Version |
+|------|---------|
+| <a name="requirement_terraform"></a> [terraform](#requirement\_terraform) | >= 1.4 |
+| <a name="requirement_opensearch"></a> [opensearch](#requirement\_opensearch) | >= 1.0 |
+
+## Providers
+
+| Name | Version |
+|------|---------|
+| <a name="provider_opensearch"></a> [opensearch](#provider\_opensearch) | >= 1.0 |
+
+## Modules
+
+No modules.
+
+## Resources
+
+| Name | Type |
+|------|------|
+| [opensearch_dashboard_object.index_pattern](https://registry.terraform.io/providers/opensearch-project/opensearch/latest/docs/resources/dashboard_object) | resource |
+
+## Inputs
+
+| Name | Description | Type | Default | Required |
+|------|-------------|------|---------|:--------:|
+| <a name="input_pattern"></a> [pattern](#input\_pattern) | The index pattern | `string` | n/a | yes |
+| <a name="input_pattern_id"></a> [pattern\_id](#input\_pattern\_id) | The ID of index pattern | `string` | `null` | no |
+| <a name="input_time_field_name"></a> [time\_field\_name](#input\_time\_field\_name) | Field name which has the timestamp | `string` | n/a | yes |
+
+## Outputs
+
+| Name | Description |
+|------|-------------|
+| <a name="output_id"></a> [id](#output\_id) | The ID of the index pattern |
diff --git a/modules/dashboard/index-pattern/main.tf b/modules/dashboard/index-pattern/main.tf
new file mode 100644
index 0000000..9596a23
--- /dev/null
+++ b/modules/dashboard/index-pattern/main.tf
@@ -0,0 +1,21 @@
+locals {
+  id = coalesce(var.pattern_id, split(var.pattern, "-*")[0])
+}
+
+resource "opensearch_dashboard_object" "index_pattern" {
+  body = <<EOF
+[
+  {
+    "_id": "index-pattern:${local.id}",
+    "_type": "doc",
+    "_source": {
+      "type": "index-pattern",
+      "index-pattern": {
+        "title": "${var.pattern}",
+        "timeFieldName": "${var.time_field_name}"
+      }
+    }
+  }
+]
+EOF
+}
diff --git a/modules/dashboard/index-pattern/outputs.tf b/modules/dashboard/index-pattern/outputs.tf
new file mode 100644
index 0000000..2fced49
--- /dev/null
+++ b/modules/dashboard/index-pattern/outputs.tf
@@ -0,0 +1,4 @@
+output "id" {
+  description = "The ID of the index pattern"
+  value       = opensearch_dashboard_object.index_pattern.id
+}
diff --git a/modules/dashboard/index-pattern/variables.tf b/modules/dashboard/index-pattern/variables.tf
new file mode 100644
index 0000000..282bcb8
--- /dev/null
+++ b/modules/dashboard/index-pattern/variables.tf
@@ -0,0 +1,15 @@
+variable "pattern" {
+  description = "The index pattern"
+  type        = string
+}
+
+variable "pattern_id" {
+  description = "The ID of index pattern"
+  type        = string
+  default     = null
+}
+
+variable "time_field_name" {
+  description = "Field name which has the timestamp"
+  type        = string
+}
diff --git a/modules/dashboard/index-pattern/versions.tf b/modules/dashboard/index-pattern/versions.tf
new file mode 100644
index 0000000..ec97dd0
--- /dev/null
+++ b/modules/dashboard/index-pattern/versions.tf
@@ -0,0 +1,10 @@
+terraform {
+  required_version = ">= 1.4"
+
+  required_providers {
+    opensearch = {
+      source  = "opensearch-project/opensearch"
+      version = ">= 1.0"
+    }
+  }
+}

From a287774c270ca31ed781de6304b1f6784206fa8a Mon Sep 17 00:00:00 2001
From: abhinavkumarsph <abhinavkumar@sph.com.sg>
Date: Wed, 21 Feb 2024 13:59:11 +0800
Subject: [PATCH 2/2] fix: pattern id

---
 modules/dashboard/index-pattern/main.tf | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/modules/dashboard/index-pattern/main.tf b/modules/dashboard/index-pattern/main.tf
index 9596a23..5fa235d 100644
--- a/modules/dashboard/index-pattern/main.tf
+++ b/modules/dashboard/index-pattern/main.tf
@@ -1,5 +1,5 @@
 locals {
-  id = coalesce(var.pattern_id, split(var.pattern, "-*")[0])
+  id = coalesce(var.pattern_id, split("-*", var.pattern)[0])
 }
 
 resource "opensearch_dashboard_object" "index_pattern" {