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Prerequisites

Please refer to https://getvisibility.atlassian.net/wiki/spaces/KBTESGS/pages/10816717488801305/K3s+Installation#Requirements for the node specs of the product you’ll be installing.

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K3s needs the following ports to be accessible by all other nodes running in the same cluster:

Protocol

Port

Description

TCP

6443

Kubernetes API Server

⚠️ UDP

8472

Required for Flannel VXLAN

TCP

2379-2380

embedded etcd

TCP

10250

metrics-server for HPA

TCP

9796

Prometheus node exporter

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The following port must be publicly exposed in order to allow users to access Synergy or Focus product:

Protocol

Port

Description

TCP

443

Focus/Synergy backend

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  • Timeout: 10 seconds

  • Healthy threshold: 3 consecutive health check successes

  • Unhealthy threshold: 3 consecutive health check failures

  • Interval: 30 seconds

  • Balance mode: round robin

Public

Please refer to https://getvisibility.atlassian.net/wiki/spaces/KBTESGS/pages/10816717488801305/K3s+Installation#Proxy-settings for the list of urls you need to enable in your corporate proxy in order to connect to our private registries.

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Code Block
curl -sfL https://assets.master.k3s.getvisibility.com/k3s/k3s.sh | INSTALL_K3S_VERSION="v1.2324.9+k3s1k3s2" K3S_KUBECONFIG_MODE="644" sh -s - server --node-name=master1 --cluster-init

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Code Block
curl -sfL https://assets.master.k3s.getvisibility.com/k3s/k3s.sh | K3S_TOKEN=SHARED_SECRET INSTALL_K3S_VERSION="v1.2324.9+k3s1k3s2" K3S_KUBECONFIG_MODE="644" sh -s - server --node-name=master2 --server https://<ip or hostname of master1>:6443

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Code Block
curl -sfL https://assets.master.k3s.getvisibility.com/k3s/k3s.sh | K3S_TOKEN=SHARED_SECRET INSTALL_K3S_VERSION="v1.2324.9+k3s1k3s2" K3S_KUBECONFIG_MODE="644" sh -s - server --node-name=master3 --server https://<ip or hostname of master1>:6443

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Code Block
curl -sfL https://assets.master.k3s.getvisibility.com/k3s/k3s.sh | K3S_TOKEN=SHARED_SECRET INSTALL_K3S_VERSION="v1.2324.9+k3s1k3s2" K3S_KUBECONFIG_MODE="644" sh -s - agent --node-name=worker1 --server https://<ip or hostname of any master node>:6443

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Code Block
curl -sfL https://assets.master.k3s.getvisibility.com/k3s/k3s.sh | K3S_TOKEN=SHARED_SECRET INSTALL_K3S_VERSION="v1.2324.9+k3s1k3s2" K3S_KUBECONFIG_MODE="644" sh -s - agent --node-name=workerX --server https://<ip or hostname of any master node>:6443

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  1. Go to Apps > Charts and install the GetVisibility Monitoring Helm chart:

    1. Install into Project: Default

  2. Click on High Available and set:

    1. Prometheus replicas to 2

    2. Loki replicas to 2

Configure Fleet labels

  1. Go to the global menu Continuous Delivery > Clusters and click on Edit config for the cluster:

  2. For Synergy: add 3 labels  product=synergyenvironment=prodhigh_available=trueand press Save.

  3. For Focus: add 3 labels  product=focusenvironment=prodhigh_available=trueand press Save.

  4. For Enterprise: add 3 labels  product=enterpriseenvironment=prodhigh_available=trueand press Save.