feat: added container filtering for cloud monitoring agents using new…

… variable `cloud_monitoring_container_filter` (#204)

solutions/agents/main.tf

@@ -11,7 +11,7 @@ data "ibm_container_cluster_config" "cluster_config" {
 
 module "observability_agents" {
   source                       = "terraform-ibm-modules/observability-agents/ibm"
-  version                      = "2.0.1"
+  version                      = "2.1.0"
   cluster_id                   = var.cluster_id
   cluster_resource_group_id    = var.cluster_resource_group_id
   cluster_config_endpoint_type = var.cluster_config_endpoint_type
@@ -23,6 +23,7 @@ module "observability_agents" {
   cloud_monitoring_access_key        = var.cloud_monitoring_access_key
   cloud_monitoring_secret_name       = var.prefix != null ? "${var.prefix}-${var.cloud_monitoring_secret_name}" : var.cloud_monitoring_secret_name
   cloud_monitoring_metrics_filter    = var.cloud_monitoring_metrics_filter
+  cloud_monitoring_container_filter  = var.cloud_monitoring_container_filter
   cloud_monitoring_agent_tags        = var.cloud_monitoring_agent_tags
   cloud_monitoring_instance_region   = var.cloud_monitoring_instance_region
   cloud_monitoring_agent_tolerations = var.cloud_monitoring_agent_tolerations

solutions/agents/variables.tf

@@ -110,10 +110,16 @@ variable "cloud_monitoring_metrics_filter" {
   }))
   description = "To filter on custom metrics, specify the IBM Cloud Monitoring metrics to include or exclude. [Learn more](https://cloud.ibm.com/docs/monitoring?topic=monitoring-change_kube_agent#change_kube_agent_inc_exc_metrics)"
   default     = [] # [{ type = "exclude", name = "metricA.*" }, { type = "include", name = "metricB.*" }]
-  validation {
-    condition     = length(var.cloud_monitoring_metrics_filter) == 0 || can(regex("^(include|exclude)$", var.cloud_monitoring_metrics_filter[0].type))
-    error_message = "The specified `type` for the `cloud_monitoring_metrics_filter` is not valid. Specify either `include` or `exclude`. If the value for `type` is not specified, no metrics are included or excluded."
-  }
+}
+
+variable "cloud_monitoring_container_filter" {
+  type = list(object({
+    type      = string
+    parameter = string
+    name      = string
+  }))
+  description = "To filter custom containers, specify which containers to include or exclude from metrics collection for the cloud monitoring agent. See https://cloud.ibm.com/docs/monitoring?topic=monitoring-change_kube_agent#change_kube_agent_filter_data."
+  default     = [] # [{ type = "exclude", parameter = "kubernetes.namespace.name", name = "kube-system" }]
 }
 
 variable "cloud_monitoring_agent_tags" {