Compose EKS monitoring modules (#115)

* Move modules around

* Update amp billing source

* Merge Java monitoring to EKS

* Update docs

* Merge nginx pattern

* Pre-commit

* Add save and test URL output

* Move EKS dependencies to EKS monitoring module

* update docs

* Update examples and docs

* Add java doc

* Add NGINX doc

* Update nginx doc

* Fix amp monitoring example path

* Fix pre-commit

* Todo: move to main after merge

* Update docs, fix tags

modules/eks-monitoring/patterns/java/main.tf

@@ -0,0 +1,36 @@
+resource "aws_prometheus_rule_group_namespace" "recording_rules" {
+  name         = "accelerator-java-rules"
+  workspace_id = var.managed_prometheus_workspace_id
+  data         = <<EOF
+groups:
+  - name: default-metric
+    rules:
+      - record: metric:recording_rule
+        expr: avg(rate(container_cpu_usage_seconds_total[5m]))
+EOF
+}
+
+resource "aws_prometheus_rule_group_namespace" "alerting_rules" {
+  count = var.enable_alerting_rules ? 1 : 0
+
+  name         = "accelerator-java-alerting"
+  workspace_id = var.managed_prometheus_workspace_id
+  data         = <<EOF
+groups:
+  - name: default-alert
+    rules:
+      - alert: metric:alerting_rule
+        expr: jvm_memory_bytes_used{job="java", area="heap"} / jvm_memory_bytes_max * 100 > 80
+        for: 1m
+        labels:
+            severity: warning
+        annotations:
+            summary: "JVM heap warning"
+            description: "JVM heap of instance `{{$labels.instance}}` from application `{{$labels.application}}` is above 80% for one minute. (current=`{{$value}}%`)"
+EOF
+}
+
+resource "grafana_dashboard" "this" {
+  folder      = var.dashboards_folder_id
+  config_json = file("${path.module}/dashboards/default.json")
+}