test(mc): Create helm-release module (#1303)

# Description

* create helm-release module
* delete retina and prometheus modules
* refactor integration tests as needed

## Related Issue

#1267 

## Checklist

- [x] I have read the [contributing
documentation](https://retina.sh/docs/contributing).
- [x] I signed and signed-off the commits (`git commit -S -s ...`). See
[this
documentation](https://docs.github.com/en/authentication/managing-commit-signature-verification/about-commit-signature-verification)
on signing commits.
- [x] I have correctly attributed the author(s) of the code.
- [x] I have tested the changes locally.
- [x] I have followed the project's style guidelines.
- [x] I have updated the documentation, if necessary.
- [x] I have added tests, if applicable.

## Screenshots (if applicable) or Testing Completed

![Screenshot 2025-02-04
093852](https://github.com/user-attachments/assets/d8c806cc-307a-4956-bdea-c12caf33315c)
![Screenshot 2025-02-04
114057](https://github.com/user-attachments/assets/fb46b254-0623-4fa8-9a96-f5abf67c56c0)

## Additional Notes

Add any additional notes or context about the pull request here.

---

Please refer to the [CONTRIBUTING.md](../CONTRIBUTING.md) file for more
information on how to contribute to this project.

test/multicloud/examples/integration/prometheus-kind/main.tf

@@ -4,6 +4,11 @@ module "kind" {
 }
 
 module "prometheus" {
-  depends_on = [module.kind]
-  source     = "../../../modules/prometheus"
+  depends_on     = [module.kind]
+  source         = "../../../modules/helm-release"
+  release_name   = var.prometheus_release_name
+  repository_url = var.prometheus_repository_url
+  chart_version  = var.prometheus_chart_version
+  chart_name     = var.prometheus_chart_name
+  values         = var.prometheus_values
 }

test/multicloud/examples/integration/prometheus-kind/variables.tf

@@ -3,3 +3,45 @@ variable "prefix" {
   type        = string
   default     = "mc"
 }
+
+variable "prometheus_release_name" {
+  description = "The name of the Helm release."
+  type        = string
+  default     = "prometheus"
+}
+
+variable "prometheus_repository_url" {
+  description = "The URL of the Helm repository."
+  type        = string
+  default     = "https://prometheus-community.github.io/helm-charts"
+}
+
+variable "prometheus_chart_version" {
+  description = "The version of the Helm chart to install."
+  type        = string
+  default     = "68.4.3"
+}
+
+variable "prometheus_chart_name" {
+  description = "The name of the Helm chart to install."
+  type        = string
+  default     = "kube-prometheus-stack"
+}
+
+variable "prometheus_values" {
+  description = "Configuration for set blocks, this corresponds to Helm values.yaml"
+  type = list(object({
+    name  = string
+    value = string
+  }))
+  default = [
+    {
+      name  = "global.prometheus.enabled"
+      value = "true"
+    },
+    {
+      name  = "global.grafana.enabled"
+      value = "true"
+    }
+  ]
+}

test/multicloud/examples/integration/retina-gke/main.tf

@@ -7,8 +7,11 @@ module "gke" {
 }
 
 module "retina" {
-  depends_on = [module.gke]
-  source     = "../../../modules/retina"
-  retina_version = var.retina_version
-  values = var.values
+  depends_on     = [module.gke]
+  source         = "../../../modules/helm-release"
+  release_name   = var.retina_release_name
+  repository_url = var.retina_repository_url
+  chart_version  = var.retina_chart_version
+  chart_name     = var.retina_chart_name
+  values         = var.retina_values
 }

test/multicloud/examples/integration/retina-gke/variables.tf

@@ -22,15 +22,48 @@ variable "machine_type" {
   default     = "e2-standard-4"
 }
 
-variable "retina_version" {
-  description = "The tag to apply to all resources."
+variable "retina_release_name" {
+  description = "The name of the Helm release."
   type        = string
+  default     = "retina"
 }
 
-variable "values" {
+variable "retina_repository_url" {
+  description = "The URL of the Helm repository."
+  type        = string
+  default     = "oci://ghcr.io/microsoft/retina/charts"
+}
+
+variable "retina_chart_version" {
+  description = "The version of the Helm chart to install."
+  type        = string
+  default     = "v0.0.24"
+}
+
+variable "retina_chart_name" {
+  description = "The name of the Helm chart to install."
+  type        = string
+  default     = "retina"
+}
+
+variable "retina_values" {
   description = "Configuration for set blocks, this corresponds to Helm values.yaml"
   type = list(object({
     name  = string
     value = string
   }))
+  default = [
+    {
+      name  = "image.tag"
+      value = "v0.0.24"
+    },
+    {
+      name  = "operator.tag"
+      value = "v0.0.24"
+    },
+    {
+      name  = "logLevel"
+      value = "info"
+    }
+  ]
 }

test/multicloud/examples/integration/retina-kind/main.tf

@@ -5,6 +5,10 @@ module "kind" {
 
 module "retina" {
   depends_on     = [module.kind]
-  source         = "../../../modules/retina"
-  retina_version = var.retina_version
+  source         = "../../../modules/helm-release"
+  release_name   = var.retina_release_name
+  repository_url = var.retina_repository_url
+  chart_version  = var.retina_chart_version
+  chart_name     = var.retina_chart_name
+  values         = var.retina_values
 }

test/multicloud/examples/integration/retina-kind/variables.tf

@@ -4,8 +4,48 @@ variable "prefix" {
   default     = "mc"
 }
 
-variable "retina_version" {
-  description = "The tag to apply to all resources."
+variable "retina_release_name" {
+  description = "The name of the Helm release."
   type        = string
-  default     = "v0.0.23"
+  default     = "retina"
+}
+
+variable "retina_repository_url" {
+  description = "The URL of the Helm repository."
+  type        = string
+  default     = "oci://ghcr.io/microsoft/retina/charts"
+}
+
+variable "retina_chart_version" {
+  description = "The version of the Helm chart to install."
+  type        = string
+  default     = "v0.0.24"
+}
+
+variable "retina_chart_name" {
+  description = "The name of the Helm chart to install."
+  type        = string
+  default     = "retina"
+}
+
+variable "retina_values" {
+  description = "Configuration for set blocks, this corresponds to Helm values.yaml"
+  type = list(object({
+    name  = string
+    value = string
+  }))
+  default = [
+    {
+      name  = "image.tag"
+      value = "v0.0.24"
+    },
+    {
+      name  = "operator.tag"
+      value = "v0.0.24"
+    },
+    {
+      name  = "logLevel"
+      value = "info"
+    }
+  ]
 }

test/multicloud/live/retina-aks/main.tf

@@ -7,8 +7,13 @@ module "aks" {
 }
 
 module "retina" {
-  depends_on = [module.aks]
-  source     = "../../modules/retina"
+  depends_on     = [module.aks]
+  source         = "../../modules/helm-release"
+  release_name   = var.retina_release_name
+  repository_url = var.retina_repository_url
+  chart_version  = var.retina_chart_version
+  chart_name     = var.retina_chart_name
+  values         = var.retina_values
 }
 
 output "kubeconfig_command" {

test/multicloud/live/retina-aks/variables.tf

@@ -29,7 +29,51 @@ variable "prefix" {
 variable "labels" {
   description = "A map of labels to add to all resources."
   type        = map(string)
-  default = {
-    "env" = "test"
-  }
+  default     = {}
+}
+
+variable "retina_release_name" {
+  description = "The name of the Helm release."
+  type        = string
+  default     = "retina"
+}
+
+variable "retina_repository_url" {
+  description = "The URL of the Helm repository."
+  type        = string
+  default     = "oci://ghcr.io/microsoft/retina/charts"
+}
+
+variable "retina_chart_version" {
+  description = "The version of the Helm chart to install."
+  type        = string
+  default     = "v0.0.24"
+}
+
+variable "retina_chart_name" {
+  description = "The name of the Helm chart to install."
+  type        = string
+  default     = "retina"
+}
+
+variable "retina_values" {
+  description = "Configuration for set blocks, this corresponds to Helm values.yaml"
+  type = list(object({
+    name  = string
+    value = string
+  }))
+  default = [
+    {
+      name  = "image.tag"
+      value = "v0.0.24"
+    },
+    {
+      name  = "operator.tag"
+      value = "v0.0.24"
+    },
+    {
+      name  = "logLevel"
+      value = "info"
+    }
+  ]
 }

test/multicloud/live/retina-gke/main.tf

@@ -7,6 +7,11 @@ module "gke" {
 }
 
 module "retina" {
-  depends_on = [module.gke]
-  source     = "../../modules/retina"
+  depends_on     = [module.gke]
+  source         = "../../modules/helm-release"
+  release_name   = var.retina_release_name
+  repository_url = var.retina_repository_url
+  chart_version  = var.retina_chart_version
+  chart_name     = var.retina_chart_name
+  values         = var.retina_values
 }

test/multicloud/live/retina-gke/variables.tf

@@ -21,3 +21,49 @@ variable "machine_type" {
   type        = string
   default     = "e2-standard-4"
 }
+
+variable "retina_release_name" {
+  description = "The name of the Helm release."
+  type        = string
+  default     = "retina"
+}
+
+variable "retina_repository_url" {
+  description = "The URL of the Helm repository."
+  type        = string
+  default     = "oci://ghcr.io/microsoft/retina/charts"
+}
+
+variable "retina_chart_version" {
+  description = "The version of the Helm chart to install."
+  type        = string
+  default     = "v0.0.24"
+}
+
+variable "retina_chart_name" {
+  description = "The name of the Helm chart to install."
+  type        = string
+  default     = "retina"
+}
+
+variable "retina_values" {
+  description = "Configuration for set blocks, this corresponds to Helm values.yaml"
+  type = list(object({
+    name  = string
+    value = string
+  }))
+  default = [
+    {
+      name  = "image.tag"
+      value = "v0.0.24"
+    },
+    {
+      name  = "operator.tag"
+      value = "v0.0.24"
+    },
+    {
+      name  = "logLevel"
+      value = "info"
+    }
+  ]
+}

test/multicloud/live/retina-kind/main.tf

@@ -4,6 +4,11 @@ module "kind" {
 }
 
 module "retina" {
-  depends_on = [module.kind]
-  source     = "../../modules/retina"
+  depends_on     = [module.kind]
+  source         = "../../modules/helm-release"
+  release_name   = var.retina_release_name
+  repository_url = var.retina_repository_url
+  chart_version  = var.retina_chart_version
+  chart_name     = var.retina_chart_name
+  values         = var.retina_values
 }

test/multicloud/live/retina-kind/variables.tf

@@ -2,4 +2,50 @@ variable "prefix" {
   description = "A prefix to add to all resources."
   type        = string
   default     = "mc"
-}
+}
+
+variable "retina_release_name" {
+  description = "The name of the Helm release."
+  type        = string
+  default     = "retina"
+}
+
+variable "retina_repository_url" {
+  description = "The URL of the Helm repository."
+  type        = string
+  default     = "oci://ghcr.io/microsoft/retina/charts"
+}
+
+variable "retina_chart_version" {
+  description = "The version of the Helm chart to install."
+  type        = string
+  default     = "v0.0.24"
+}
+
+variable "retina_chart_name" {
+  description = "The name of the Helm chart to install."
+  type        = string
+  default     = "retina"
+}
+
+variable "retina_values" {
+  description = "Configuration for set blocks, this corresponds to Helm values.yaml"
+  type = list(object({
+    name  = string
+    value = string
+  }))
+  default = [
+    {
+      name  = "image.tag"
+      value = "v0.0.24"
+    },
+    {
+      name  = "operator.tag"
+      value = "v0.0.24"
+    },
+    {
+      name  = "logLevel"
+      value = "info"
+    }
+  ]
+}