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TVK Integration with Observability Stack

The Observability Stack is a pre-packaged distribution for monitoring, logging and dashboard interfaces which can be installed into any existing Kubernetes cluster.

Introduction

The Observability Stack is a pre-packaged distribution for monitoring, logging, and dashboarding and can be installed into any existing Kubernetes cluster. It includes many of the most popular open-source observability tools with Prometheus, Grafana, Promtail, and Loki. The observability stack provides a straightforward, maintainable solution for analyzing server traffic and identifying potential deployment problems.

TVK Installation with Observability using Trilio Operator

To install the operator with observability enabled, run the latest helm chart with the following parameter set.
helm repo add triliovault-operator https://charts.k8strilio.net/trilio-stable/k8s-triliovault-operator
helm install tvm triliovault-operator/k8s-triliovault-operator --set observability.enabled=true

Observability Stack Configurable Parameters

The following table lists the configuration parameters of the observability stack
Parameter
Description
Default
observability.enabled
observability stack is enabled
false
observability.name
observability name for TVK integration
tvk-integration
observability.logging.loki.enabled
logging stack, loki is enabled
true
observability.logging.loki.fullnameOverride
name of the loki service
"loki"
observability.logging.loki.persistence.enabled
loki persistence storage enabled
true
observability.logging.loki.persistence.accessModes
loki persistence storage accessModes
ReadWriteOnce
observability.logging.loki.persistence.size
loki persistence storage size
10Gi
observability.logging.loki.config.limits_config.reject_old_samples_max_age
loki config, maximum accepted sample age before rejecting
168h
observability.logging.loki.config.table_manager.retention_period
loki config, how far back tables will be kept before they are deleted. 0s disables deletion.
168h
observability.logging.promtail.enabled
logging stack, promtail is enabled
true
observability.logging.promtail.fullnameOverride
name of the promtail service
"promtail"
observability.logging.promtail.config.clients.url
loki url for promtail integration
observability.monitoring.prometheus.enabled
monitoring stack, prometheus is enabled
true
observability.monitoring.prometheus.fullnameOverride
name of the prometheus service
"prom"
observability.monitoring.prometheus.server.enabled
prometheus server is enabled
true
observability.monitoring.prometheus.server.fullnameOverride
name of prometheus server service
"prom-server"
observability.monitoring.prometheus.server.persistentVolume.enabled
prometheus server with persistent volume is enabled
false
observability.monitoring.prometheus.kubeStateMetrics.enabled
prometheus kube state metrics is enabled
false
observability.monitoring.prometheus.nodeExporter.enabled
prometheus node exporter is enabled
false
observability.monitoring.prometheus.pushgateway.enabled
prometheus push gateway is enabled
false
observability.monitoring.prometheus.alertmanager.enabled
prometheus alert manager is enabled
false
observability.visualization.grafana.enabled
visualization stack, grafana is enabled
true
observability.visualization.grafana.adminPassword
grafana password for admin user
"admin123"
observability.visualization.grafana.fullnameOverride
name of grafana service
"grafana"
observability.visualization.grafana.service.type
grafana service type
"ClusterIP"
Check the observability stack configuration by running the following command:
kubectl get pods -n <install_ns>
promtail-2zpcv 1/1 Running 0 2m16s
grafana-554cb4f55-q4q59 3/3 Running 0 2m15s
prom-server-786b8cf897-nglhh 2/2 Running 0 2m15s
k8s-triliovault-operator-85dfc877b8-5xqx9 1/1 Running 0 2m15s
loki-0 1/1 Running 0 2m15s
k8s-triliovault-admission-webhook-96db687bb-wnfh7 1/1 Running 0 62s
k8s-triliovault-control-plane-6b986c8fb9-zjbnj 2/2 Running 0 62s
k8s-triliovault-exporter-7b98cb7678-wxwvx 1/1 Running 0 62s
k8s-triliovault-ingress-nginx-controller-57b777f45b-dnjkv 1/1 Running 0 62s
k8s-triliovault-web-85c79c9c4f-djqqz 1/1 Running 0 62s
k8s-triliovault-web-backend-5c8c67c548-pcgvl 1/1 Running 0 62s

View Logs From TVK UI

  1. 1.
    Login to TVK UI with preferred authentication
  2. 2.
    Select View logs on any required service or application

Accessing Grafana Dashboards

Grafana Endpoint : http://<TVK_IP>/grafana
Login with default grafana credentials.
username: admin
password: admin123