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Assumptions

  • If using an existing dd-agent version (and just pointing it to KloudFuse instead of DD HQ)

    • dd agent version needs to be 7.41 or higher.

    • validate using following steps:

      • check the chart version with helm list - should be 3.1.10 or higher 

        helm list -n <namespace-where-agent-is-installed>

      • check the image version of the agent with describe pod on dd-agent pod. 

        k describe pod -n <namespace-where-agent-is-installed> | grep Image
    Image:         gcr.io/datadoghq/agent:7.36.0

Install DataDog Agent

Agent Scenario \ Cluster Scenario

Kloudfuse stack & target both in same VPC and in same K8S cluster

Kloudfuse stack & target both in same VPC, but in different K8S cluster

Kloudfuse stack hosted in a different VPC (hosted at “customer.kloudfuse.io”)

Existing or new agent

  • Get ingress internal IP 

    kubectl get svc -n kfuse | grep kfuse-ingress-nginx-controller-internal
kfuse-ingress-nginx-controller-internal   LoadBalancer   10.53.250.80    10.53.232.3   80:32716/TCP,443:30767/TCP   125m

  • update the provided dd-values-kfuse-diff-cluster-on-prem.yaml with above ip address and following fields: 

    dd_url: http://10.53.250.80/ingester
logs_dd_url: "10.53.250.80:80"

  • use updated dd-values-kfuse-diff-cluster-on-prem.yaml with the install command.

Required Datadog configurations

The yaml files described above already contains the required Datadog configurations for Kloudfuse to ingest the data properly. These required changes are listed below:

datadog:
  logsEnabled: true
  logs:
    enabled: true
    containerCollectAll: true
    containerCollectUsingFiles: true
    autoMultiLineDetection: true
  kubeStateMetricsEnabled: false
  kubeStateMetricsCore:
    enabled: true
    ignoreLegacyKSMCheck: true
  orchestratorExplorer:
    enabled: true
  processAgent:
    enabled: true
  prometheusScrape:
    enabled: true
    version: 1
    additionalConfigs:
      - configurations:
        - send_monotonic_counter: false
          send_distribution_counts_as_monotonic: false
          send_distribution_sums_as_monotonic: false
          send_histograms_buckets: true
          max_returned_metrics: 999999
          min_collection_interval: 15          
clusterAgent:
  enabled: true
  datadog_cluster_yaml:
    process_config:
      container_collection:
        enabled: false
    orchestrator_explorer:
      manifest_collection:
        enabled: false
    use_v2_api:
      events: true
      series: true
      service_checks: true
  admissionController:
    enabled: false
agents:
  image:
    tagSuffix: jmx
  useConfigMap: true
  customAgentConfig:
    skip_ssl_validation: false
    enable_stream_payload_serialization: false
    process_config:
      container_collection:
        enabled: false
    orchestrator_explorer:
      manifest_collection:
        enabled: false
    use_v2_api:
      events: true
      series: true
      service_checks: true
    logs_config:
      use_http: true
      logs_no_ssl: true
      auto_multi_line_detection: true
      use_v2_api: false
    apm_config:
      enabled: true
      apm_non_local_traffic: true
    metadata_providers:
      - name: host
        interval: 300

Collect high cardinality tags

The Datadog Agent is installed with cardinality set to ‘orchestrator’ level - allowing granular (pod and container level) tagging of metrics.. The default setting in the Datadog Agent is set to ‘low’ - allowing tagging only at host level.

Install command

If you haven’t before, add datadog helm repo:

helm repo add datadog https://helm.datadoghq.com
helm repo update

Install the datadog agent with updated values (cmd below assumes the file is called dd-values-kfuse.yaml. Replace that argument with the filename that’s relevant to your scenario).

# Create separate namespace for the agent to be installed (if required)
kubectl create namespace kfuse-agent
helm upgrade --install kfuse-agent -f dd-values-kfuse.yaml datadog/datadog -n kfuse-agent --version 3.6.7

Advance monitoring: Enable kubernetes_state_metrics

/wiki/spaces/EX/pages/756056089 (Kfuse 1.3 or higher) currently has dependency on kubernetes_state_metrics (KSM) check which is not enabled in the newer version of the agent (2.0) by default. Please ensure that the agent continues to capture these metrics through KSM. To do that, please add/update the dd-agent values file as follows: 

datadog:
  kubeStateMetricsEnabled: true
  kubeStateMetricsCore:
    enabled: true
    ignoreLegacyKSMCheck: false

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