Description

zabbix-kubernetes-monitoring is zabbix-agent script and template for zabbix server. It is used for Kubernetes monitoring by Zabbix. Easy to deploy and configure. Auto discovery of pods, deployments, services, etc.

Installation

1. Copy k8s-stats.py to /usr/lib/zabbix/externalscripts and k8s-stats.json to /etc/zabbix/ and fix file permissions

cp k8s-stats.py /usr/lib/zabbix/externalscripts/
cp k8s-stats.json /etc/zabbix/
chmod +x /usr/lib/zabbix/externalscripts/k8s-stats.py
chown zabbix. /etc/zabbix/k8s-stats.json
chmod 640 /etc/zabbix/k8s-stats.json

2. Import Zabbix template k8s-zabbix-template.xml to Zabbix server
3. Create zabbix user in Kubernetes (can use zabbix-user-example.yml) and set it's token and API server url in k8s-stats.json. The root item key names in JSON config refer to
4. Apply template to host {$K8S_CLUSTER_NAME} macro value in zabbix configuration, see step 5.
5. Update {$K8S_CLUSTER_NAME} macro value appropriately in host configuration. Example:

{
    "my-cloud-123": {
        "api_url": "https://my_cloud_address:6443",
        "access_token": "my_cloud_token"
    }
}

You then need to use {$K8S_CLUSTER_NAME} => my-cloud-123 on zabbix host you have attached the template to

Multi-Cluster support

Simply add more dicts to k8s_stats.json. Sample config file provided in repo has two clusters added.

How to create zabbix user in Kubernetes

$ kubectl apply -n kube-system -f zabbix-user-example.yml 
serviceaccount/zabbix-user created
clusterrole.rbac.authorization.k8s.io/zabbix-user created
clusterrolebinding.rbac.authorization.k8s.io/zabbix-user created

How to retrieve TOKEN and API SERVER

1. TOKEN:

$ TOKENNAME=$(kubectl get sa/zabbix-user -n kube-system -o jsonpath='{.secrets[0].name}')
$ TOKEN=$(kubectl -n kube-system get secret $TOKENNAME -o jsonpath='{.data.token}'| base64 --decode)
$ echo $TOKEN

2. API SERVER:

$ APISERVER=https://$(kubectl -n default get endpoints kubernetes --no-headers | awk '{ print $2 }')
$ echo $APISERVER