Data is obtained from VMware Tanzu API & VMware Tanzu Metrics server API

Check if you have metrics-server installed

kubectl get pods -n kube-system

Create a xormon serviceaccount

$ kubectl create serviceaccount xormon

Create a clusterrole

Create file ClusterRole.yml with this content:

apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
  name: xormon
rules:
- apiGroups: ["","metrics.k8s.io"]
  resources: ["pods","nodes","services","nodes/proxy", "endpoints", "namespaces"]
  verbs: ["get", "watch", "list"]
- nonResourceURLs: ["/metrics"]
  verbs: ["get"]

Apply it by:

$ kubectl apply -f ClusterRole.yml

Create a clusterrolebinding

Create file ClusterRoleBinding.yml with this content:

apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
  name: xormon
subjects:
- kind: ServiceAccount
  name: xormon
  namespace: default
roleRef:
  apiGroup: rbac.authorization.k8s.io
  kind: ClusterRole
  name: xormon

Make sure it is the same namespace as the serviceaccount like default above.

Apply it by:

$ kubectl apply -f ClusterRoleBinding.yml

Get xormon token

Create file XormonSecret.yml with this content:

apiVersion: v1
kind: Secret
metadata:
  name: xormon-token
  annotations:
    kubernetes.io/service-account.name: xormon
type: kubernetes.io/service-account-token

Apply it by:

$ kubectl apply -f XormonSecret.yml 

Get xormon token:

$ kubectl describe secret xormon-token 

Get cluster endpoint

$ kubectl config view

Configure VMware Tanzu in XorMon

• XorMon UI ➡ Device ➡ Container ➡ VMware Tanzu ➡ New
  
  
• Run "Test" for configured VMware Tanzu host, it must show "OK"
  
  
• Wait about 1 hour, then refresh the web browser cache by Ctrl-F5
  
  

OpenShift console install

The instructions below are for installation via OpenShift console, as an option you can use Kubectl command line installation.

Create a xormon service account

You can choice whatever else account name than xormon.

Insert content below:

    apiVersion: v1
    kind: ServiceAccount
    metadata:
      name: xormon
      namespace: default
  

Click on "xormon-token-xxxxx" under to "Secrets"
Copy xormon token

Create a xormon role

Insert content below:

    apiVersion: rbac.authorization.k8s.io/v1
    kind: ClusterRole
    metadata:
      name: xormon
    rules:
    - apiGroups: ["","metrics.k8s.io","apps","config.openshift.io","machine.openshift.io","machineconfiguration.openshift.io","monitoring.coreos.com","project.openshift.io","route.openshift.io","storage.k8s.io"]
      resources: ["*"]
      verbs: ["get", "watch", "list"]
    - nonResourceURLs: ["/metrics"]
      verbs: ["get"]
  

Create a xormon role binding

Select Binding type "Cluster-wide Role Binding", type the role binding name to "xormon" and select Role Name "xormon" Select Subject "Service Account" and type "xormon" as Subject Name

Configure RedHat OpenShift in XorMon

• Open network connection to the RedHat OpenShift from XorMon server.
  If it is in Google Cloud then port 443, if it is in Kubernetes then port 6443.
  
  
• XorMon UI ➡ Device ➡ Conteiner ➡RedHat OpenShift ➡ New
  
  
• Run "Test" for configured OpenShift host, it must show "OK"
  
  
• Wait about 1 hour, then refresh the web browser cache by Ctrl-F5
  
  

Kubectl install

The instructions below are for installation via the kubectl command line as an option to OpenShift console installation

Create a xormon service account

You can choice whatever else account name than xormon.

  $ kubectl create serviceaccount xormon
  

Create a clusterrole

Create file ClusterRole with this content:

  apiVersion: rbac.authorization.k8s.io/v1
  kind: ClusterRole
  metadata:
    name: xormon
  rules:
  - apiGroups: ["","metrics.k8s.io","apps","config.openshift.io","machine.openshift.io","machineconfiguration.openshift.io","monitoring.coreos.com","project.openshift.io","route.openshift.io","storage.k8s.io"]
    resources: ["*"]
    verbs: ["get", "watch", "list"]
  - nonResourceURLs: ["/metrics"]
    verbs: ["get"]
  

Apply it by:

  $ kubectl apply -f ClusterRole.yml
  

Create a clusterrolebinding

Create file ClusterRoleBinding.yml with this content:

  apiVersion: rbac.authorization.k8s.io/v1
  kind: ClusterRoleBinding
  metadata:
    name: xormon
  subjects:
  - kind: ServiceAccount
    name: xormon
    namespace: default
  roleRef:
    apiGroup: rbac.authorization.k8s.io
    kind: ClusterRole
    name: xormon
  

Apply it by:

  $ kubectl apply -f ClusterRoleBinding.yml
  

Get xormon token

  $ kubectl get serviceaccounts xormon -o yaml
  

  $ kubectl describe secret xormon-token-fkkxp   
  

Get cluster endpoint

  $ kubectl config view
  

Configure RedHat OpenShift in XorMon

• XorMon UI ➡ Device ➡ Conteiner ➡RedHat OpenShift ➡ New
  
  
• Run "Test" for configured OpenShift host, it must show "OK"
  
  
• Wait about 1 hour, then refresh the web browser cache by Ctrl-F5
  
  

Docker monitoring is performed via the OS agent in a container. Deploy the agent on each monitored Docker host.

Prerequisites

• Opened TCP communication between each Docker server and XorMon server on port 8162.
  Connections are initiated from Docker server side.
  
  

Docker agent installation

• Pull the image

  docker pull xorux/lpar2rrd-docker-agent
                  

• Run the docker agent

  docker run --init -d --hostname $(hostname) --name lpar2rrd-docker-agent -v /var/run/docker.sock:/var/run/docker.sock:ro --env XORMON=<XorMon-NG_hostname/IP> xorux/lpar2rrd-docker-agent
                  

XorMon

• Wait about 1 hour, then refresh the web browser cache by Ctrl-F5
  
  

Data is obtained from Kubernetes API & Kubernetes Metrics server API

Check if you have metrics-server installed

kubectl get pods -n kube-system

Create a xormon serviceaccount

$ kubectl create serviceaccount xormon

Create a clusterrole

Create file ClusterRole.yml with this content:

apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
  name: xormon
rules:
- apiGroups: ["","metrics.k8s.io"]
  resources: ["pods","nodes","services","nodes/proxy", "endpoints", "namespaces"]
  verbs: ["get", "watch", "list"]
- nonResourceURLs: ["/metrics"]
  verbs: ["get"]

Apply it by:

$ kubectl apply -f ClusterRole.yml

Create a clusterrolebinding

Create file ClusterRoleBinding.yml with this content:

apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
  name: xormon
subjects:
- kind: ServiceAccount
  name: xormon
  namespace: default
roleRef:
  apiGroup: rbac.authorization.k8s.io
  kind: ClusterRole
  name: xormon

Make sure it is the same namespace as the serviceaccount like default above.

Apply it by:

$ kubectl apply -f ClusterRoleBinding.yml

Get xormon token

Create file XormonSecret.yml with this content:

apiVersion: v1
kind: Secret
metadata:
  name: xormon-token
  annotations:
    kubernetes.io/service-account.name: xormon
type: kubernetes.io/service-account-token

Apply it by:

$ kubectl apply -f XormonSecret.yml 

Get xormon token:

$ kubectl describe secret xormon-token 

Get cluster endpoint

$ kubectl config view

Configure Kubernetes in XorMon

• XorMon UI ➡ Device ➡ Container ➡ Kubernetes ➡ New
  
  
• Run "Test" for configured Kubernetes host, it must show "OK"
  
  
• Wait about 1 hour, then refresh the web browser cache by Ctrl-F5