pre-consul

Consul service discovery in Kubernet Cluster.

About this project

This is a preconditional Storage configuration required to install consul in a Kubernet Cluster.

Some Observation about this project

1. Implement Storage class required to install Consul in Kubernet Cluster
2. It is necessary to have at least 3 workers nodes in a kubernet cluster
3. Helm is installed
4. It is using Local Volume in to make easy the configuration, but it is possible to use any other type of Storage (NFS, iSCSI, Ceth etc)
5. Consul Cluster will have 3 servers, so this project will creat3 3 storages classes where each one will have volume in each worker node of the kubernet cluster
6. StorageClass, PV, PVC and Consull will installed in a name space called Consul

Step by Step to build

Create the directories in each kubernet worker node as:

/mnt/disk/consul-pv-server-0  ; this in 1st node
/mnt/disk/consul-pv-server-1  ; this in 2nd node
/mnt/disk/consul-pv-server-2  ; this in 3rd node

Clone the project and run the commands bellow:

git clone https://github.com/helioaymoto/pre-consul.git
cd pre-consul

In the persitentVolume.yaml change the IP address for you Kubernet workers and then run the commands:

kubectl create -f namespace.yaml
kubectl create -n consul -f storageClass.yaml
kubectl create -n consul -f persistentVolume.yaml
kubectl create -n consul -f persistentVolumeClaim.yaml

kubectl get storageclass -n=consul
kubectl get pv -n=consul
kubectl get pvc -n=consul

Next you can follow the instruction in HashiCorp https://www.consul.io/docs/platform/k8s/run.html

Consul Cluster on Kubernet Cluster

git clone https://github.com/hashicorp/consul-helm.git
cd consul-helm
helm install --name consul --namespace consul ./