IWF Pre-requisites
This section includes information about the required environment for IWF deployment.
IWF Software
The IWF software includes:
- IWF Helm chart
- IWF docker images
The following software must be installed:
Software | Version |
---|---|
Kubernetes | v 1.15.3 |
HELM | v 2.14.3 |
Additional software that needs to be deployed as per the requirement of the services:
Software | Chart Version | Notes |
---|---|---|
elasticsearch | 1.21.1 | Needed for Logging Area |
elastic-curator | 1.2.1 | Needed for Logging Area |
elastic-exporter | 1.1.2 | Needed for Logging Area |
logs | 2.0.7 | Needed for Logging Area |
kibana | 1.5.2 | Needed for Logging Area |
grafana | 2.2.0 | Needed for Metrics Area |
prometheus | 8.8.0 | Needed for Metrics Area |
prometheus-node-exporter | 1.3.0 | Needed for Metrics Area |
metallb | 0.8.4 | Needed for External IP |
metrics-server | 2.4.0 | Needed for Metric Server |
tracer | 0.8.3 | Needed for Tracing Area |
Note:
Install the specified software items before proceeding if any of the above services are needed and the respective software is not already installed in CNE.Network access
The Kubernetes cluster hosts must have network access to:
- Local docker image repository where the IWF images are available.
- Local helm repository where the IWF helm charts are available.
Note:
All the kubectl and helm related commands that are used in this document must be executed on a system depending on the infrastructure of the deployment. It could be a client machine, VM, server, local desktop and so on.Client machine requirement
There are some requirements for the client machine where the deployment
commands need to be executed:
- It should have network access to the helm repository and docker image repository.
- Helm repository must be configured on the client.
- It should have network access to the Kubernetes cluster.
- It should have necessary
environment settings to run the
kubectl
commands. The environment should have privileges to create namespace in the Kubernetes cluster. - It should have helm client
installed. The environment should be configured so that the
helm install
command deploys the software in the Kubernetes cluster. - Master/Management node must
have the
jq
tool installed to be used by configuration map content parsing tools. - Operator must create MySQL NDB database cluster to store the configuration and run time data.