[KYUUBI #2150 ] [DOCS] Fix Getting Started With Kyuubi on Kubernetes

### _Why are the changes needed?_

helm安装kyuubi服务完成后会提示：
```script
NAME: kyuubi-helm
LAST DEPLOYED: Wed Mar 16 13:14:32 2022
NAMESPACE: kyuubi
STATUS: deployed
REVISION: 1
TEST SUITE: None
NOTES:
#
# Licensed to the Apache Software Foundation (ASF) under one or more
......

Get kyuubi expose URL by running these commands:
  **export NODE_PORT=$(kubectl get --namespace kyuubi -o jsonpath="{.spec.ports[0].nodePort}" services kyuubi-helm-nodeport)**
  export NODE_IP=$(kubectl get nodes --namespace kyuubi -o jsonpath="{.items[0].status.addresses[0].address}")
  echo $NODE_IP:$NODE_PORT
```

使用命令
```
export NODE_PORT=$(kubectl get --namespace kyuubi -o jsonpath="{.spec.ports[0].nodePort}" services kyuubi-helm-nodeport)
```
会得到一个报错：
```
Error from server (NotFound): services "kyuubi-helm-nodeport" not found
```
使用`kubectl get svc -A`，查询到namespace：kyuubi下只有一个service："kyuubi-svc"，运行
```
export NODE_PORT=$(kubectl get --namespace kyuubi -o jsonpath="{.spec.ports[0].nodePort}" services kyuubi-svc)
```
成功。so这里给的serviceName是否是错的？

### _How was this patch tested?_
- [ ] Add some test cases that check the changes thoroughly including negative and positive cases if possible

- [ ] Add screenshots for manual tests if appropriate

- [ ] [Run test](https://kyuubi.apache.org/docs/latest/develop_tools/testing.html#running-tests) locally before make a pull request

Closes #2150 from HYBG-1126/HYBG-1126.

Closes #2150

ea152f33 [liuzy04] helm安装kyuubi服务完成后会提示： NAME: kyuubi-helm LAST DEPLOYED: Wed Mar 16 13:14:32 2022 NAMESPACE: kyuubi STATUS: deployed REVISION: 1 TEST SUITE: None NOTES: # # Licensed to the Apache Software Foundation (ASF) under one or more ......

Authored-by: liuzy04 <liuzy04@mail.jj.com>
Signed-off-by: Cheng Pan <chengpan@apache.org>

2022-03-16 15:37:13 +08:00

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Getting Started With Kyuubi on kubernetes

Running kyuubi with helm

Helm is the package manager for Kubernetes，it can be used to find, share, and use software built for Kubernetes.

Get helm and Install

Please go to Install Helm page to get and install an appropriate release version for yourself.

Get Kyuubi Started

[Optional] Create namespace on kubernetes

create ns kyuubi

Get kyuubi started

helm install kyuubi-helm ${KYUUBI_HOME}/docker/helm -n ${namespace_name}

It will print variables and the way to get kyuubi expose ip and port.

NAME: kyuubi-helm
LAST DEPLOYED: Wed Oct 20 15:22:47 2021
NAMESPACE: kyuubi
STATUS: deployed
REVISION: 1
TEST SUITE: None
NOTES:
Get kyuubi expose URL by running these commands:
  export NODE_PORT=$(kubectl get --namespace kyuubi -o jsonpath="{.spec.ports[0].nodePort}" services kyuubi-svc)
  export NODE_IP=$(kubectl get nodes --namespace kyuubi -o jsonpath="{.items[0].status.addresses[0].address}")
  echo $NODE_IP:$NODE_PORT

Using hive beeline

Using Hive Beeline to opening a connection.

Remove kyuubi

helm uninstall kyuubi-helm -n ${namespace_name}

Edit server config

Modify values.yaml under ${KYUUBI_HOME}/docker/helm:

# Kyuubi server numbers
replicaCount: 2

image:
  repository: apache/kyuubi
  pullPolicy: Always
  # Overrides the image tag whose default is the chart appVersion.
  tag: "master-snapshot"

server:
  bind:
    host: 0.0.0.0
    port: 10009
  conf:
    mountPath: /opt/kyuubi/conf

service:
  type: NodePort
  # The default port limit of kubernetes is 30000-32767
  # to change:
  #   vim kube-apiserver.yaml (usually under path: /etc/kubernetes/manifests/)
  #   add or change line 'service-node-port-range=1-32767' under kube-apiserver
  port: 30009

Get server log

List all server pods:

kubectl get po -n ${namespace_name}

The server pods will print:

NAME                             READY   STATUS    RESTARTS   AGE
kyuubi-server-585d8944c5-m7j5s   1/1     Running   0          30m
kyuubi-server-32sdsa1245-2d2sj   1/1     Running   0          30m

then, use pod name to get logs:

kubectl -n ${namespace_name} logs kyuubi-server-585d8944c5-m7j5s

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