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Micro service remote debug, nocalhost + rainbow micro service development second bullet

2022-07-07 19:05:00 【InfoQ】

In the previous article, we introduced how to pass

Nocalhost Rapid development of Rainbond Microservices on

, Introduced the basic development process .

This article will continue to introduce , Use

Nocalhost Development profile

Achieve the following ：

Onekey Run and long-range Debug

Persistent configuration

Development container resource limitations

Port forwarding

「 What is development configuration ？」

Development configuration is around

Development mode

To carry out , For example, what image is used to enter

Development mode

, Whether you need to turn on persistence to save the contents of the development container , Which files are synchronized into the development container , How to debug with one click 、 Run the services in the container with one click . After configuring the correct and appropriate development configuration , Can be used in Nocalhost

Development mode

It's more handy when it comes to .

Deploy Rainbond + SpringCloud

Next, continue to the above article SpringCloud Pig For example , debugging Java Maven Service Pig-auth modular .

project Gitee Address ：https://gitee.com/zhangbigqi/pig

Deploy Rainbond

I won't go into details here Rainbond Installation , see also

be based on Linux install Rainbond

Deploy SpringCloud

We are Rainbond After docking with the open source app store , Search in the open source app store

Spring Cloud Pig

install

3.5.0

edition .

The English name of the application component installed from the app store is an automatically generated string , We need to set the English name of the component （Deployment Name）, adopt Nocalhost When connecting to the cluster, you can distinguish clearly Deployment Corresponding components .

Nocalhost docking Rainbond

install Nocalhost JetBrains Plugin plug-in unit , See documentation
install Nocalhost JetBrains Plugin plug-in unit
.

obtain K8s Kubeconfig, See documentation
obtain Kubeconfig file
.

stay
pig
Under the namespace , Find the workload
pig-auth
Right click and choose
Dev Config
（ Development configuration ）

Copy the following configuration file to
Dev Config
in .

#&nbsp;Deployment&nbsp;Name
name:&nbsp;pig-auth
serviceType:&nbsp;deployment
containers:
&nbsp;#&nbsp;Deployment&nbsp; Main container name 
&nbsp;&nbsp;-&nbsp;name:&nbsp;auth
&nbsp;&nbsp;&nbsp;&nbsp;dev:
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;#&nbsp; Developing mirroring , The image contains &nbsp;Java&nbsp;Maven&nbsp; Environmental Science 
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;image:&nbsp;registry.cn-hangzhou.aliyuncs.com/zqqq/maven:3.8.6-openjdk-8
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;#&nbsp; The default terminal is &nbsp;bash
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;shell:&nbsp;bash
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;#&nbsp;Rainbond&nbsp; Provided &nbsp;StorageClass&nbsp;Name
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;storageClass:&nbsp;rainbondvolumerwx
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;#&nbsp; Configure development container resources 
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;resources:
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;limits:
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;memory:&nbsp;4096Mi
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;cpu:&nbsp;&quot;2&quot;
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;requests:
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;memory:&nbsp;2048Mi
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;cpu:&nbsp;&quot;1&quot;
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;persistentVolumeDirs:
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;#&nbsp;Maven&nbsp; Depend on the package cache path , coordination &nbsp;storageClass&nbsp; Eat together 
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;-&nbsp;path:&nbsp;/root/.m2/repository
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;capacity:&nbsp;10Gi
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;command:
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;#&nbsp; One click start command , Install dependent packages and start &nbsp;pig-auth&nbsp; Sub module 
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;run:
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;-&nbsp;mvn
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;-&nbsp;install
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;-&nbsp;'&&'
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;-&nbsp;mvn
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;-&nbsp;spring-boot:run
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;-&nbsp;-pl
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;#&nbsp; Specify sub module startup 
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;-&nbsp;pig-auth
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;#&nbsp; Onekey &nbsp;Debug&nbsp; command , Install dependent packages and &nbsp;Debug&nbsp;pig-auth&nbsp; Sub module 
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;debug:
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;-&nbsp;mvn
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;-&nbsp;install
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;-&nbsp;'&&'
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;-&nbsp;mvn
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;-&nbsp;spring-boot:run
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;-&nbsp;-pl
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;#&nbsp; Specify sub module startup 
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;-&nbsp;pig-auth
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;#&nbsp;Java&nbsp;Debug&nbsp; command 
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;-&nbsp;-Dspring-boot.run.jvmArguments=-agentlib:jdwp=transport=dt_socket,server=y,suspend=y,address=5005
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;debug:
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;#&nbsp; Remote port , Corresponding Debug In the command &nbsp;address=5005
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;remoteDebugPort:&nbsp;5005
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;#&nbsp; choice &nbsp;Java&nbsp; Language 
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;language:&nbsp;java
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;#&nbsp; Thermal loading 
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;hotReload:&nbsp;true
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;#&nbsp; File synchronization 
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;sync:
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;type:&nbsp;send
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;mode:&nbsp;gitIgnore
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;deleteProtection:&nbsp;true
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;#&nbsp; Port forwarding , Forward... In the container 3000 Port to local 3999
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;portForward:
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;-&nbsp;3999:3000

Onekey Run

Right click workload
pig-auth
.

choice Remote Run.

Nocalhost Will automatically enter DevMode And implement Remote Run.

Onekey Debug

Right click workload
pig-auth
.

choice Remote Debug.

Nocalhost Will automatically enter DevMode And implement Remote Debug.

Put a breakpoint in the code , Initiate request , Get into IDE Debug Pattern .

Persistent configuration

At development time , Most of the files we want to persist are

Dependency package

journal

, This article also caches Java The dependency package of .

rainbondvolumerwx

yes Rainbond The storage class provided by default , After filling in the following configuration, it will be automatically created under the current namespace PVC, as follows ：

storageClass:&nbsp;rainbondvolumerwx&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
persistentVolumeDirs:
&nbsp;&nbsp;-&nbsp;path:&nbsp;/root/.m2/repository
&nbsp;&nbsp;&nbsp;&nbsp;capacity:&nbsp;10Gi

Container resource limit

Limit the resources of the development container , Quota can maximize the resource utilization of the server , You can modify it through the following development configuration ：

resources:
&nbsp;&nbsp;limits:
&nbsp;&nbsp;&nbsp;&nbsp;memory:&nbsp;4096Mi
&nbsp;&nbsp;&nbsp;&nbsp;cpu:&nbsp;&quot;2&quot;
&nbsp;&nbsp;requests:
&nbsp;&nbsp;&nbsp;&nbsp;memory:&nbsp;2048Mi
&nbsp;&nbsp;&nbsp;&nbsp;cpu:&nbsp;&quot;1&quot;

Port forwarding

Forward container port to local , You can modify it through the following development configuration ：

portForward:
&nbsp;&nbsp;-&nbsp;3999:3000&nbsp;&nbsp;&nbsp;#&nbsp; Forwarding container &nbsp;3000&nbsp; Port to local &nbsp;3999&nbsp; port

Last

Of course Nocalhost You can debug multiple microservices at the same time , In the same way, you only need to modify Deployment Name and Containers Name And the sub module of microservice .

Nocalhost There are also some things that are not mentioned in the development configuration article , such as ： Development environment variables 、 Two modes of file synchronization

pattern

gitignore

wait , also Nocalhost Support for multiple languages ,Java It's just one of them , Guys can explore on their own .

Nocalhost + Rainbond Let's develop 、 More efficient deployment 、 convenient .

About Rainbond

*
Rainbond The core 100% Open source , Easy to use , You don't need to understand containers and Kubernetes, Support management of various Kubernetes colony , Provide full lifecycle management for enterprise applications .
Github：https://github.com/goodrain/rainbond
Official website ：https://www.rainbond.com
Wechat group ： Focus on Rainbond The official account is joined by the technical exchange group.
Nail group ： Please search for nail group number 31096419
*

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