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Micro service remote debug, nocalhost + rainbow micro service development second bullet
2022-07-07 20:16:00 【Rainbow open source】
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 workloadpig-auth
Right click and chooseDev Config
( Development configuration )
- Copy the following configuration file to
Dev Config
in .
# Deployment Name
name: pig-auth
serviceType: deployment
containers:
# Deployment Main container name
- name: auth
dev:
# Developing mirroring , The image contains Java Maven Environmental Science
image: registry.cn-hangzhou.aliyuncs.com/zqqq/maven:3.8.6-openjdk-8
# The default terminal is bash
shell: bash
# Rainbond Provided StorageClass Name
storageClass: rainbondvolumerwx
# Configure development container resources
resources:
limits:
memory: 4096Mi
cpu: "2"
requests:
memory: 2048Mi
cpu: "1"
persistentVolumeDirs:
# Maven Depend on the package cache path , coordination storageClass Eat together
- path: /root/.m2/repository
capacity: 10Gi
command:
# One click start command , Install dependent packages and start pig-auth Sub module
run:
- mvn
- install
- '&&'
- mvn
- spring-boot:run
- -pl
# Specify sub module startup
- pig-auth
# Onekey Debug command , Install dependent packages and Debug pig-auth Sub module
debug:
- mvn
- install
- '&&'
- mvn
- spring-boot:run
- -pl
# Specify sub module startup
- pig-auth
# Java Debug command
- -Dspring-boot.run.jvmArguments=-agentlib:jdwp=transport=dt_socket,server=y,suspend=y,address=5005
debug:
# Remote port , Corresponding Debug In the command address=5005
remoteDebugPort: 5005
# choice Java Language
language: java
# Thermal loading
hotReload: true
# File synchronization
sync:
type: send
mode: gitIgnore
deleteProtection: true
# Port forwarding , Forward... In the container 3000 Port to local 3999
portForward:
- 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: rainbondvolumerwx
persistentVolumeDirs:
- path: /root/.m2/repository
capacity: 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:
limits:
memory: 4096Mi
cpu: "2"
requests:
memory: 2048Mi
cpu: "1"
Port forwarding
Forward container port to local , You can modify it through the following development configuration :
portForward:
- 3999:3000 # Forwarding container 3000 Port to local 3999 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 .
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