Grafana tempo (#279)

terraform-environments/aws/dev/helm/opentelemetry/README.md

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+# OpenTelemetry
+
+Doc: https://opentelemetry.io/docs/
+
+## Install sequence
+
+1. opentelemetry-operator
+2. opentelemetry-collector
+3. grafana-tempo-server
+
+## Data Path
+
+1. App with OpenTelemetry SDK
+2. App sends to an OpenTelemetry Collector
+3. The OpenTelemetry Collector exporter sends to a Tempo server
+4. Grafana adds the Tempo server as the datasource
+5. User can query the Grafana frontend the traces

terraform-environments/aws/dev/helm/opentelemetry/grafana-tempo-server-single/terragrunt.hcl

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+terraform {
+  source = "github.com/ManagedKube/kubernetes-ops.git//terraform-modules/aws/helm/helm_generic?ref=v1.0.9"
+}
+
+# Include all settings from the root terragrunt.hcl file
+include {
+  path = find_in_parent_folders()
+}
+
+dependency "eks" {
+  config_path = "${get_terragrunt_dir()}/../../../0200-eks"
+
+  mock_outputs = {
+    vpc_id            = "vpc-abcd1234"
+    vpc_cidr_block    = "10.0.0.0/16"
+    public_subnet_ids = ["subnet-abcd1234", "subnet-bcd1234a", ]
+  }
+  mock_outputs_allowed_terraform_commands = ["validate", ]
+}
+
+# Generate a Kubernetes provider configuration for authenticating against the EKS cluster.
+generate "k8s_helm" {
+  path      = "k8s_helm_provider.tf"
+  if_exists = "overwrite_terragrunt"
+  contents = templatefile(
+    find_in_parent_folders("provider_k8s_helm_for_eks.template.hcl"),
+    {
+      eks_cluster_name = dependency.eks.outputs.cluster_id,
+      kubergrunt_exec = get_env("KUBERGRUNT_EXEC", "kubergrunt")
+    },
+  )
+}
+
+# ---------------------------------------------------------------------------------------------------------------------
+# Locals are named constants that are reusable within the configuration.
+# ---------------------------------------------------------------------------------------------------------------------
+locals {
+  # Automatically load common variables shared across all accounts
+  common_vars = read_terragrunt_config(find_in_parent_folders("common.hcl"))
+
+  # Extract the name prefix for easy access
+  name_prefix = local.common_vars.locals.name_prefix
+
+  # Automatically load account-level variables
+  account_vars = read_terragrunt_config(find_in_parent_folders("account.hcl"))
+
+  # Extract the account_name for easy access
+  account_name = local.account_vars.locals.account_name
+
+  # Automatically load region-level variables
+  region_vars = read_terragrunt_config(find_in_parent_folders("region.hcl"))
+
+  # Extract the region for easy access
+  aws_region = local.region_vars.locals.aws_region
+}
+
+# ---------------------------------------------------------------------------------------------------------------------
+# MODULE PARAMETERS
+# These are the variables we have to pass in to use the module specified in the terragrunt configuration above
+# ---------------------------------------------------------------------------------------------------------------------
+inputs = {
+  repository          = "https://grafana.github.io/helm-charts"
+  official_chart_name = "tempo"
+  user_chart_name     = "tempo"
+  helm_version        = "0.14.2"
+  namespace           = "monitoring"
+  helm_values         = file("values.yaml")
+}

terraform-environments/aws/dev/helm/opentelemetry/grafana-tempo-server-single/values.yaml

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+# source: https://github.com/grafana/helm-charts/tree/main/charts/tempo
+---
+persistence:
+  enabled: true
+  # storageClassName: local-path
+  accessModes:
+    - ReadWriteOnce
+  size: 25Gi

terraform-environments/aws/dev/helm/opentelemetry/opentelemetry-collector/terragrunt.hcl

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+terraform {
+  source = "github.com/ManagedKube/kubernetes-ops.git//terraform-modules/aws/kubernetes/manifest_set?ref=v2.0.12"
+}
+
+# Include all settings from the root terragrunt.hcl file
+include {
+  path = find_in_parent_folders()
+}
+
+dependency "eks" {
+  config_path = "${get_terragrunt_dir()}/../../../0200-eks"
+
+  mock_outputs = {
+    vpc_id            = "vpc-abcd1234"
+    vpc_cidr_block    = "10.0.0.0/16"
+    public_subnet_ids = ["subnet-abcd1234", "subnet-bcd1234a", ]
+  }
+  mock_outputs_allowed_terraform_commands = ["validate", ]
+}
+
+# Generate a Kubernetes provider configuration for authenticating against the EKS cluster.
+generate "k8s_helm" {
+  path      = "k8s_helm_provider.tf"
+  if_exists = "overwrite_terragrunt"
+  contents = templatefile(
+    find_in_parent_folders("provider_k8s_helm_for_eks.template.hcl"),
+    {
+      eks_cluster_name = dependency.eks.outputs.cluster_id,
+      kubergrunt_exec = get_env("KUBERGRUNT_EXEC", "kubergrunt")
+    },
+  )
+}
+
+# ---------------------------------------------------------------------------------------------------------------------
+# Locals are named constants that are reusable within the configuration.
+# ---------------------------------------------------------------------------------------------------------------------
+locals {
+  # Automatically load common variables shared across all accounts
+  common_vars = read_terragrunt_config(find_in_parent_folders("common.hcl"))
+
+  # Extract the name prefix for easy access
+  name_prefix = local.common_vars.locals.name_prefix
+
+  # Automatically load account-level variables
+  account_vars = read_terragrunt_config(find_in_parent_folders("account.hcl"))
+
+  # Extract the account_name for easy access
+  account_name = local.account_vars.locals.account_name
+
+  # Automatically load region-level variables
+  region_vars = read_terragrunt_config(find_in_parent_folders("region.hcl"))
+
+  # Extract the region for easy access
+  aws_region = local.region_vars.locals.aws_region
+
+}
+
+# ---------------------------------------------------------------------------------------------------------------------
+# MODULE PARAMETERS
+# These are the variables we have to pass in to use the module specified in the terragrunt configuration above
+# ---------------------------------------------------------------------------------------------------------------------
+inputs = {
+  upload_source_path = "${get_terragrunt_dir()}"
+  upload_directory   = "yaml"
+  fileset_pattern    = "**/*.yaml"
+  template_vars      = {}
+}