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installing helm
curl https://baltocdn.com/helm/signing.asc | sudo apt-key add –
sudo apt-get install apt-transport-https –yes
echo “deb https://baltocdn.com/helm/stable/debian/ all main” | sudo tee /etc/apt/sources.list.d/helm-stable-debian.list
sudo apt-get update
sudo apt-get install helm
# we need to add our k8s certificate
helm repo add –ca-file /path/to/certificate.crt repoName https://example/repository
Installing Prometheus
2023-09-20
phomlish@a6:~/kubernetes/prometheus/homlish-monitoring
k apply -f k apply -f homlish-monitor-ns.yaml
kubectl create -f clusterRole.yaml
using helm?
helm repo add prometheus-community https://prometheus-community.github.io/helm-charts
helm search repo prometheus-community/prometheus –versions
prometheus-community/prometheus 19.3.1 v2.41.0 Prometheus is a monitoring system and time seri…
helm install 19.3.1 prometheus-community/prometheus
helm -n homlish-monitor delete prometheus
phomlish@a6:~/kubernetes/prometheus$ helm upgrade –install -n homlish-monitor –version 19.3.1 -f values.yaml prometheus prometheus-community/prometheus
NAME: prometheus
LAST DEPLOYED: Wed Oct 11 07:53:06 2023
NAMESPACE: default
STATUS: deployed
REVISION: 1
NOTES:
The Prometheus server can be accessed via port 80 on the following DNS name from within your cluster:
prometheus-server.default.svc.cluster.local
Get the Prometheus server URL by running these commands in the same shell:
export POD_NAME=$(kubectl get pods –namespace default -l “app=prometheus,component=server” -o jsonpath=”{.items[0].metadata.name}”)
kubectl –namespace default port-forward $POD_NAME 9090
The Prometheus alertmanager can be accessed via port on the following DNS name from within your cluster:
prometheus-%!s(
Get the Alertmanager URL by running these commands in the same shell:
export POD_NAME=$(kubectl get pods –namespace default -l “app=prometheus,component=” -o jsonpath=”{.items[0].metadata.name}”)
kubectl –namespace default port-forward $POD_NAME 9093
#################################################################################
###### WARNING: Pod Security Policy has been disabled by default since #####
###### it deprecated after k8s 1.25+. use #####
###### (index .Values “prometheus-node-exporter” “rbac” #####
###### . “pspEnabled”) with (index .Values #####
###### “prometheus-node-exporter” “rbac” “pspAnnotations”) #####
###### in case you still need it. #####
#################################################################################
The Prometheus PushGateway can be accessed via port 9091 on the following DNS name from within your cluster:
prometheus-prometheus-pushgateway.default.svc.cluster.local
Get the PushGateway URL by running these commands in the same shell:
export POD_NAME=$(kubectl get pods –namespace default -l “app=prometheus-pushgateway,component=pushgateway” -o jsonpath=”{.items[0].metadata.name}”)
kubectl –namespace default port-forward $POD_NAME 9091
For more information on running Prometheus, visit:
https://prometheus.io/