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[Kubeshark] Monitoring and Viewing traffics on Kubernetes easily by Kubeshark

Posted on November 27, 2022January 3, 2024 By nim No Comments on [Kubeshark] Monitoring and Viewing traffics on Kubernetes easily by Kubeshark

Một phần mền nội tiếng là wireshark thì trên k8s chúng ta có Kubeshark

Kubeshark is an observability and monitoring tool for Kubernetes, enabling dynamic analysis of the microservices, detecting anomalies and triggering functions when certain patterns appear in runtime.

Contents

Toggle
  • 1) Install Kubeshark via helm chart
  • 2) Install Kubeshark via CLI

1) Install Kubeshark via helm chart

Đâu tiên các bạn cần đăng nhập và lấy token:
https://console.kubeshark.co/

Sau khi đã có token thì bạn tiến hành define valuefile:

###valuefile:

license: xxxxxx
tap:
  ingress:
    enabled: true
    classname: nginx
    host: kubeshark.xxsvideo.com

Kubeshark’s Helm repository:

https://helm.kubeshark.co

2) Install Kubeshark via CLI

Bạn cần có 1 máy tình cài tool của kubeshark

sh <(curl -Ls https://kubeshark.co/install)

Tiếp đến là chúng ta run command để filter theo pods

kubeshark tap "(eng-mdfsembd*)"

Bạn có thể thấy là tool nó sẽ helm install để cài kubeshark vào trong cluster.

Lúc này bạn chỉ cần forward port service ra localhost và truy cập.

Đây là web:

Mình có lấy được file value:

config: {}
dumpLogs: false
headless: false
kube:
  configPath: ""
  context: ""
license: ""
logs:
  file: ""
manifests:
  dump: false
scripting:
  env: {}
  source: ""
  watchScripts: true
tap:
  annotations: {}
  auth:
    approvedDomains: []
    approvedEmails: []
    approvedTenants: []
    enabled: false
  debug: false
  defaultFilter: ""
  docker:
    imagePullPolicy: Always
    registry: docker.io/kubeshark
    tag: ""
  dryRun: false
  efsFileSytemIdAndPath: ""
  ignoreTainted: false
  ingress:
    annotations: {}
    className: ""
    enabled: false
    host: ks.svc.cluster.local
    tls: []
  ipv6: true
  labels: {}
  namespaces: []
  noKernelModule: false
  nodeSelectorTerms:
  - matchExpressions:
    - key: kubernetes.io/os
      operator: In
      values:
      - linux
  persistentStorage: false
  persistentStorageStatic: false
  proxy:
    front:
      port: 8899
    host: 127.0.0.1
    hub:
      srvPort: 8898
    worker:
      srvPort: 30001
  regex: (eng-mdfsembd*)
  release:
    name: kubeshark
    namespace: default
    repo: https://helm.kubeshark.co
  resources:
    hub:
      limits:
        cpu: 750m
        memory: 1Gi
      requests:
        cpu: 50m
        memory: 50Mi
    worker:
      limits:
        cpu: 750m
        memory: 1Gi
      requests:
        cpu: 50m
        memory: 50Mi
  serviceMesh: true
  storageClass: standard
  storageLimit: 500Mi
  telemetry:
    enabled: true
  tls: true

View toàn bộ traffic on all namespaces:

kubeshark tap -A

Để xóa kubeshark.

kubeshark clean

tham khảo thêm các command ở đây:
https://docs.kubeshark.co/en/install

Mình có 1 issue:
“Kubeshark” Metrics not available at the moment

Kubernetes & Container

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