Tutorial Perintah Umum di Microk8s Kubernetes

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Pada tutorial lanjutan kali ini, kita akan mengenal tutorial perintah umum dari penggunaan microk8s. Bagi yang belum menginstall microk8s, silakan lihat tutorial sebelumnya.

perintah pertama, cek status dari microk8s:

[sourcecode]microk8s status[/sourcecode]

dengan hasil seperti ini:

microk8s is running
high-availability: no
  datastore master nodes: 127.0.0.1:19001
  datastore standby nodes: none
addons:
  enabled:
    ha-cluster           # Configure high availability on the current node
  disabled:
    ambassador           # Ambassador API Gateway and Ingress
    cilium               # SDN, fast with full network policy
    dashboard            # The Kubernetes dashboard
    dns                  # CoreDNS
    fluentd              # Elasticsearch-Fluentd-Kibana logging and monitoring
    gpu                  # Automatic enablement of Nvidia CUDA
    helm                 # Helm 2 - the package manager for Kubernetes
    helm3                # Helm 3 - Kubernetes package manager
    host-access          # Allow Pods connecting to Host services smoothly
    ingress              # Ingress controller for external access
    istio                # Core Istio service mesh services
    jaeger               # Kubernetes Jaeger operator with its simple config
    keda                 # Kubernetes-based Event Driven Autoscaling
    knative              # The Knative framework on Kubernetes.
    kubeflow             # Kubeflow for easy ML deployments
    linkerd              # Linkerd is a service mesh for Kubernetes and other frameworks
    metallb              # Loadbalancer for your Kubernetes cluster
    metrics-server       # K8s Metrics Server for API access to service metrics
    multus               # Multus CNI enables attaching multiple network interfaces to pods
    portainer            # Portainer UI for your Kubernetes cluster
    prometheus           # Prometheus operator for monitoring and logging
    rbac                 # Role-Based Access Control for authorisation
    registry             # Private image registry exposed on localhost:32000
    storage              # Storage class; allocates storage from host directory
    traefik              # traefik Ingress controller for external access

Start Cluster

[sourcecode]microk8s start[/sourcecode]

dengan hasil:

microk8s is running
high-availability: no
  datastore master nodes: 127.0.0.1:19001
  datastore standby nodes: none

Stop Cluster

[sourcecode]microk8s stop[/sourcecode]

List Node dari Cluster

[sourcecode]microk8s kubectl get nodes[/sourcecode]

contoh outputnya:

sudo microk8s kubectl get nodes
NAME        STATUS   ROLES    AGE   VERSION
srv101149   Ready       13m   v1.20.0-37+7ab055a22f5440

Disable Cluster

[sourcecode]sudo snap disable microk8s[/sourcecode]

Enable Cluster

[sourcecode]sudo snap enable microk8s[/sourcecode]

Deploy Pods

[sourcecode]microk8s kubectl create deployment my-redis –image=redis[/sourcecode]

List Pod dalam Cluster

[sourcecode]microk8s kubectl get pods –all-namespaces[/sourcecode]

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