title: skaffold dev操作java项目 date: 2023-03-07T12:36:08+08:00 lastmode: 2023-03-07T12:36:08+08:00 tags:
- k8s CATEGORIES:
- k8s
获取java源代码：
git clone git@github.com:GoogleContainerTools/skaffold.git
cd skaffold/examples/buildpacks-java
需要修改skaffold.yaml
apiVersion: skaffold/v4beta2
kind: Config
build:
local:
push: false
artifacts:
- image: skaffold-buildpacks
buildpacks:
builder: "10.7.20.12:5000/paketo-buildpacks/builder:base"
# env:
# - GOOGLE_RUNTIME_VERSION=8
# profiles:
# - name: gcb
# build:
# googleCloudBuild: {}
修改pom.xml
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>org.skaffold</groupId>
<artifactId>hello-spring-boot</artifactId>
<version>0.1.0</version>
<description>Spring Boot</description>
<properties>
<java.version>1.8</java.version>
</properties>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.7.4</version>
</parent>
<repositories>
<repository>
<id>nexus-163</id>
<name>Nexus 163</name>
<url>http://mirrors.163.com/maven/repository/maven-public/</url>
<layout>default</layout>
<snapshots>
<enabled>false</enabled>
</snapshots>
<releases>
<enabled>true</enabled>
</releases>
</repository>
</repositories>
<pluginRepositories>
<pluginRepository>
<id>nexus-163</id>
<name>Nexus 163</name>
<url>http://mirrors.163.com/maven/repository/maven-public/</url>
<snapshots>
<enabled>false</enabled>
</snapshots>
<releases>
<enabled>true</enabled>
</releases>
</pluginRepository>
</pluginRepositories>
<!--配置阿里云maven私有仓库（即配阿里私服）-->
<dependencyManagement>
<dependencies>
<!-- SnakeYAML 1.32 addresses CVE-2022-25857 and CVE-2022-38752 -->
<dependency>
<groupId>org.yaml</groupId>
<artifactId>snakeyaml</artifactId>
<version>1.32</version>
</dependency>
</dependencies>
</dependencyManagement>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
</dependencies>
<build>
<finalName>hello</finalName>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
</build>
</project>
首先本地需要有minikube部署好，准备部署了
⬢ [Systemd] ▮ HTTPS_PROXY=http://172.30.144.1:10809 skaffold dev
Generating tags...
- skaffold-buildpacks -> skaffold-buildpacks:v2.1.0-57-g05a239970-dirty
Checking cache...
- skaffold-buildpacks: Not found. Building
Starting build...
Building [skaffold-buildpacks]...
Target platforms: [linux/amd64]
base: Pulling from paketo-buildpacks/builder
Digest: sha256:d6586597015aa00003c69d4c2cdbb5d14f806ffa7eac8ef02961eb33c6d57b98
Status: Image is up to date for 10.7.20.12:5000/paketo-buildpacks/builder:base
base-cnb: Pulling from paketobuildpacks/run
Digest: sha256:dec5146cd16049064246308ee633ab451ccb8c8e7e0ec595727ea12d3719a006
Status: Image is up to date for paketobuildpacks/run:base-cnb
0.16.0: Pulling from buildpacksio/lifecycle
Digest: sha256:f75a04887fced3ae0504a37edb2c0d29d366511cd9ede34dbb90c5282b106e79
Status: Image is up to date for buildpacksio/lifecycle:0.16.0
===> ANALYZING
[analyzer] Restoring data for SBOM from previous image
===> DETECTING
[detector] 10 of 26 buildpacks participating
[detector] paketo-buildpacks/ca-certificates 3.6.0
[detector] paketo-buildpacks/bellsoft-liberica 9.11.0
[detector] paketo-buildpacks/syft 1.25.0
[detector] paketo-buildpacks/maven 6.13.0
[detector] paketo-buildpacks/executable-jar 6.6.1
[detector] paketo-buildpacks/apache-tomcat 7.12.0
[detector] paketo-buildpacks/apache-tomee 1.6.1
[detector] paketo-buildpacks/liberty 3.4.1
[detector] paketo-buildpacks/dist-zip 5.5.1
[detector] paketo-buildpacks/spring-boot 5.23.0
===> RESTORING
[restorer] Restoring metadata for "paketo-buildpacks/ca-certificates:helper" from app image
[restorer] Restoring metadata for "paketo-buildpacks/bellsoft-liberica:java-security-properties" from app image
[restorer] Restoring metadata for "paketo-buildpacks/bellsoft-liberica:jre" from app image
[restorer] Restoring metadata for "paketo-buildpacks/bellsoft-liberica:helper" from app image
[restorer] Restoring metadata for "paketo-buildpacks/bellsoft-liberica:jdk" from cache
[restorer] Restoring metadata for "paketo-buildpacks/syft:syft" from cache
[restorer] Restoring metadata for "paketo-buildpacks/maven:application" from cache
[restorer] Restoring metadata for "paketo-buildpacks/maven:cache" from cache
[restorer] Restoring metadata for "paketo-buildpacks/maven:maven" from cache
[restorer] Restoring metadata for "paketo-buildpacks/spring-boot:spring-cloud-bindings" from app image
[restorer] Restoring metadata for "paketo-buildpacks/spring-boot:web-application-type" from app image
[restorer] Restoring metadata for "paketo-buildpacks/spring-boot:helper" from app image
[restorer] Restoring data for "paketo-buildpacks/bellsoft-liberica:jdk" from cache
[restorer] Restoring data for "paketo-buildpacks/syft:syft" from cache
[restorer] Restoring data for "paketo-buildpacks/maven:application" from cache
[restorer] Restoring data for "paketo-buildpacks/maven:cache" from cache
[restorer] Restoring data for "paketo-buildpacks/maven:maven" from cache
[restorer] Restoring data for SBOM from cache
===> BUILDING
[builder]
[builder] Paketo Buildpack for CA Certificates 3.6.0
[builder] https://github.com/paketo-buildpacks/ca-certificates
[builder] Launch Helper: Reusing cached layer
[builder]
[builder] Paketo Buildpack for BellSoft Liberica 9.11.0
[builder] https://github.com/paketo-buildpacks/bellsoft-liberica
[builder] Build Configuration:
[builder] $BP_JVM_JLINK_ARGS --no-man-pages --no-header-files --strip-debug --compress=1 configure custom link arguments (--output must be omitted)
[builder] $BP_JVM_JLINK_ENABLED false enables running jlink tool to generate custom JRE
[builder] $BP_JVM_TYPE JRE the JVM type - JDK or JRE
[builder] $BP_JVM_VERSION 11 the Java version
[builder] Launch Configuration:
[builder] $BPL_DEBUG_ENABLED false enables Java remote debugging support
[builder] $BPL_DEBUG_PORT 8000 configure the remote debugging port
[builder] $BPL_DEBUG_SUSPEND false configure whether to suspend execution until a debugger has attached
[builder] $BPL_HEAP_DUMP_PATH write heap dumps on error to this path
[builder] $BPL_JAVA_NMT_ENABLED true enables Java Native Memory Tracking (NMT)
[builder] $BPL_JAVA_NMT_LEVEL summary configure level of NMT, summary or detail
[builder] $BPL_JFR_ARGS configure custom Java Flight Recording (JFR) arguments
[builder] $BPL_JFR_ENABLED false enables Java Flight Recording (JFR)
[builder] $BPL_JMX_ENABLED false enables Java Management Extensions (JMX)
[builder] $BPL_JMX_PORT 5000 configure the JMX port
[builder] $BPL_JVM_HEAD_ROOM 0 the headroom in memory calculation
[builder] $BPL_JVM_LOADED_CLASS_COUNT 35% of classes the number of loaded classes in memory calculation
[builder] $BPL_JVM_THREAD_COUNT 250 the number of threads in memory calculation
[builder] $JAVA_TOOL_OPTIONS the JVM launch flags
[builder] Using buildpack default Java version 11
[builder] BellSoft Liberica JDK 11.0.18: Reusing cached layer
[builder] BellSoft Liberica JRE 11.0.18: Reusing cached layer
[builder] Launch Helper: Reusing cached layer
[builder] Java Security Properties: Reusing cached layer
[builder]
[builder] Paketo Buildpack for Syft 1.25.0
[builder] https://github.com/paketo-buildpacks/syft
[builder]
[builder] Paketo Buildpack for Maven 6.13.0
[builder] https://github.com/paketo-buildpacks/maven
[builder] Build Configuration:
[builder] $BP_EXCLUDE_FILES colon separated list of glob patterns, matched source files are removed
[builder] $BP_INCLUDE_FILES colon separated list of glob patterns, matched source files are included
[builder] $BP_JAVA_INSTALL_NODE false whether to install Yarn/Node binaries based on the presence of a package.json or yarn.lock file
[builder] $BP_MAVEN_BUILD_ARGUMENTS -Dmaven.test.skip=true --no-transfer-progress package the arguments to pass to Maven
[builder] $BP_MAVEN_BUILT_ARTIFACT target/*.[ejw]ar the built application artifact explicitly. Supersedes $BP_MAVEN_BUILT_MODULE
[builder] $BP_MAVEN_BUILT_MODULE the module to find application artifact in
[builder] $BP_MAVEN_DAEMON_ENABLED false use maven daemon
[builder] $BP_MAVEN_POM_FILE pom.xml the location of the main pom.xml file, relative to the application root
[builder] $BP_MAVEN_SETTINGS_PATH the path to a Maven settings file
[builder] $BP_MAVEN_VERSION 3 the Maven version
[builder] $BP_NODE_PROJECT_PATH configure a project subdirectory to look for `package.json` and `yarn.lock` files
[builder] Apache Maven 3.9.0: Reusing cached layer
[builder] Creating cache directory /home/cnb/.m2
[builder] Compiled Application: Contributing to layer
[builder] Executing mvn --batch-mode -Dmaven.test.skip=true --no-transfer-progress package
[builder] [INFO] Scanning for projects...
[builder] [INFO]
[builder] [INFO] -------------------< org.skaffold:hello-spring-boot >-------------------
[builder] [INFO] Building hello-spring-boot 0.1.0
[builder] [INFO] from pom.xml
[builder] [INFO] --------------------------------[ jar ]---------------------------------
[builder] [INFO]
[builder] [INFO] --- resources:3.2.0:resources (default-resources) @ hello-spring-boot ---
[builder] [INFO] Using 'UTF-8' encoding to copy filtered resources.
[builder] [INFO] Using 'UTF-8' encoding to copy filtered properties files.
[builder] [INFO] skip non existing resourceDirectory /workspace/src/main/resources
[builder] [INFO] skip non existing resourceDirectory /workspace/src/main/resources
[builder] [INFO]
[builder] [INFO] --- compiler:3.10.1:compile (default-compile) @ hello-spring-boot ---
[builder] [INFO] Changes detected - recompiling the module!
[builder] [INFO] Compiling 2 source files to /workspace/target/classes
[builder] [INFO]
[builder] [INFO] --- resources:3.2.0:testResources (default-testResources) @ hello-spring-boot ---
[builder] [INFO] Not copying test resources
[builder] [INFO]
[builder] [INFO] --- compiler:3.10.1:testCompile (default-testCompile) @ hello-spring-boot ---
[builder] [INFO] Not compiling test sources
[builder] [INFO]
[builder] [INFO] --- surefire:2.22.2:test (default-test) @ hello-spring-boot ---
[builder] [INFO] Tests are skipped.
[builder] [INFO]
[builder] [INFO] --- jar:3.2.2:jar (default-jar) @ hello-spring-boot ---
[builder] [INFO] Building jar: /workspace/target/hello.jar
[builder] [INFO]
[builder] [INFO] --- spring-boot:2.7.4:repackage (repackage) @ hello-spring-boot ---
[builder] [INFO] Replacing main artifact with repackaged archive
[builder] [INFO] ------------------------------------------------------------------------
[builder] [INFO] BUILD SUCCESS
[builder] [INFO] ------------------------------------------------------------------------
[builder] [INFO] Total time: 3.681 s
[builder] [INFO] Finished at: 2023-03-07T04:18:14Z
[builder] [INFO] ------------------------------------------------------------------------
[builder]
[builder] Removing source code
[builder] Restoring application artifact
[builder]
[builder] Paketo Buildpack for Executable JAR 6.6.1
[builder] https://github.com/paketo-buildpacks/executable-jar
[builder] Class Path: Contributing to layer
[builder] Writing env/CLASSPATH.delim
[builder] Writing env/CLASSPATH.prepend
[builder] Process types:
[builder] executable-jar: java org.springframework.boot.loader.JarLauncher (direct)
[builder] task: java org.springframework.boot.loader.JarLauncher (direct)
[builder] web: java org.springframework.boot.loader.JarLauncher (direct)
[builder]
[builder] Paketo Buildpack for Spring Boot 5.23.0
[builder] https://github.com/paketo-buildpacks/spring-boot
[builder] Build Configuration:
[builder] $BP_SPRING_CLOUD_BINDINGS_DISABLED false whether to contribute Spring Boot cloud bindings support
[builder] Launch Configuration:
[builder] $BPL_SPRING_CLOUD_BINDINGS_DISABLED false whether to auto-configure Spring Boot environment properties from bindings
[builder] $BPL_SPRING_CLOUD_BINDINGS_ENABLED true Deprecated - whether to auto-configure Spring Boot environment properties from bindings
[builder] Creating slices from layers index
[builder] dependencies (16.7 MB)
[builder] spring-boot-loader (281.8 KB)
[builder] snapshot-dependencies (0.0 B)
[builder] application (29.3 KB)
[builder] Launch Helper: Reusing cached layer
[builder] Spring Cloud Bindings 1.11.0: Reusing cached layer
[builder] Web Application Type: Reusing cached layer
[builder] 4 application slices
[builder] Image labels:
[builder] org.opencontainers.image.title
[builder] org.opencontainers.image.version
[builder] org.springframework.boot.version
===> EXPORTING
[exporter] Reusing layer 'paketo-buildpacks/ca-certificates:helper'
[exporter] Reusing layer 'paketo-buildpacks/bellsoft-liberica:helper'
[exporter] Reusing layer 'paketo-buildpacks/bellsoft-liberica:java-security-properties'
[exporter] Reusing layer 'paketo-buildpacks/bellsoft-liberica:jre'
[exporter] Reusing layer 'paketo-buildpacks/executable-jar:classpath'
[exporter] Reusing layer 'paketo-buildpacks/spring-boot:helper'
[exporter] Reusing layer 'paketo-buildpacks/spring-boot:spring-cloud-bindings'
[exporter] Reusing layer 'paketo-buildpacks/spring-boot:web-application-type'
[exporter] Reusing layer 'buildpacksio/lifecycle:launch.sbom'
[exporter] Reusing 5/5 app layer(s)
[exporter] Reusing layer 'buildpacksio/lifecycle:launcher'
[exporter] Reusing layer 'buildpacksio/lifecycle:config'
[exporter] Reusing layer 'buildpacksio/lifecycle:process-types'
[exporter] Adding label 'io.buildpacks.lifecycle.metadata'
[exporter] Adding label 'io.buildpacks.build.metadata'
[exporter] Adding label 'io.buildpacks.project.metadata'
[exporter] Adding label 'org.opencontainers.image.title'
[exporter] Adding label 'org.opencontainers.image.version'
[exporter] Adding label 'org.springframework.boot.version'
[exporter] Setting default process type 'web'
[exporter] Saving skaffold-buildpacks:latest...
[exporter] *** Images (3da633f394b3):
[exporter] skaffold-buildpacks:latest
[exporter] Adding cache layer 'paketo-buildpacks/bellsoft-liberica:jdk'
[exporter] Adding cache layer 'paketo-buildpacks/syft:syft'
[exporter] Adding cache layer 'paketo-buildpacks/maven:application'
[exporter] Adding cache layer 'paketo-buildpacks/maven:cache'
[exporter] Adding cache layer 'paketo-buildpacks/maven:maven'
[exporter] Reusing cache layer 'buildpacksio/lifecycle:cache.sbom'
Build [skaffold-buildpacks] succeeded
Tags used in deployment:
- skaffold-buildpacks -> skaffold-buildpacks:3da633f394b3d8bf756e5fae0d7ce89186843ed1eff57ca572f2544c47f3ff5f
Starting deploy...
- service/web created
- deployment.apps/web created
Waiting for deployments to stabilize...
- kubernetes-dashboard:deployment/web: unable to determine current service state of pod "web-7c6dcfdf46-m7x5q"
- kubernetes-dashboard:pod/web-7c6dcfdf46-m7x5q: unable to determine current service state of pod "web-7c6dcfdf46-m7x5q"
- kubernetes-dashboard:deployment/web is ready.
Deployments stabilized in 20.855 seconds
Listing files to watch...
- skaffold-buildpacks
Press Ctrl+C to exit
Watching for changes...
[web] Setting Active Processor Count to 6
[web] Calculating JVM memory based on 6769968K available memory
[web] For more information on this calculation, see https://paketo.io/docs/reference/java-reference/#memory-calculator
[web] Calculated JVM Memory Configuration: -XX:MaxDirectMemorySize=10M -Xmx6175211K -XX:MaxMetaspaceSize=82756K -XX:ReservedCodeCacheSize=240M -Xss1M (Total Memory: 6769968K, Thread Count: 250, Loaded Class Count: 12197, Headroom: 0%)
[web] Enabling Java Native Memory Tracking
[web] Adding 124 container CA certificates to JVM truststore
[web] Spring Cloud Bindings Enabled
[web] Picked up JAVA_TOOL_OPTIONS: -Djava.security.properties=/layers/paketo-buildpacks_bellsoft-liberica/java-security-properties/java-security.properties -XX:+ExitOnOutOfMemoryError -XX:ActiveProcessorCount=6 -XX:MaxDirectMemorySize=10M -Xmx6175211K -XX:MaxMetaspaceSize=82756K -XX:ReservedCodeCacheSize=240M -Xss1M -XX:+UnlockDiagnosticVMOptions -XX:NativeMemoryTracking=summary -XX:+PrintNMTStatistics -Dorg.springframework.cloud.bindings.boot.enable=true
[web]
[web] . ____ _ __ _ _
[web] /\ / ___'_ __ _ _(_)_ __ __ _ \ \ \ \
[web] ( ( )___ | '_ | '_| | '_ / _` | \ \ \ \
[web] \/ ___)| |_)| | | | | || (_| | ) ) ) )
[web] ' |____| .__|_| |_|_| |___, | / / / /
[web] =========|_|==============|___/=/_/_/_/
[web] :: Spring Boot :: (v2.7.4)
[web]
[web] 2023-03-07 04:19:31.119 INFO 1 --- [ main] hello.Application : Starting Application v0.1.0 using Java 11.0.18 on web-7c6dcfdf46-m7x5q with PID 1 (/workspace/BOOT-INF/classes started by cnb in /workspace)
[web] 2023-03-07 04:19:31.133 INFO 1 --- [ main] hello.Application : No active profile set, falling back to 1 default profile: "default"
[web] 2023-03-07 04:19:33.755 INFO 1 --- [ main] o.s.b.w.embedded.tomcat.TomcatWebServer : Tomcat initialized with port(s): 8080 (http)
[web] 2023-03-07 04:19:33.785 INFO 1 --- [ main] o.apache.catalina.core.StandardService : Starting service [Tomcat]
[web] 2023-03-07 04:19:33.786 INFO 1 --- [ main] org.apache.catalina.core.StandardEngine : Starting Servlet engine: [Apache Tomcat/9.0.65]
[web] 2023-03-07 04:19:34.060 INFO 1 --- [ main] o.a.c.c.C.[Tomcat].[localhost].[/] : Initializing Spring embedded WebApplicationContext
[web] 2023-03-07 04:19:34.060 INFO 1 --- [ main] w.s.c.ServletWebServerApplicationContext : Root WebApplicationContext: initialization completed in 2741 ms
[web] 2023-03-07 04:19:34.928 INFO 1 --- [ main] o.s.b.w.embedded.tomcat.TomcatWebServer : Tomcat started on port(s): 8080 (http) with context path ''
[web] 2023-03-07 04:19:34.942 INFO 1 --- [ main] hello.Application : Started Application in 5.026 seconds (JVM running for 10.487)
[web] 2023-03-07 04:20:42.742 INFO 1 --- [nio-8080-exec-1] o.a.c.c.C.[Tomcat].[localhost].[/] : Initializing Spring DispatcherServlet 'dispatcherServlet'
[web] 2023-03-07 04:20:42.742 INFO 1 --- [nio-8080-exec-1] o.s.web.servlet.DispatcherServlet : Initializing Servlet 'dispatcherServlet'
[web] 2023-03-07 04:20:42.743 INFO 1 --- [nio-8080-exec-1] o.s.web.servlet.DispatcherServlet : Completed initialization in 1 ms
访问8080，试试
xfhuangskaffold 🍣 main 📝 ×2🛤️ ×2🐢 ×5via 🏎💨 v1.19.3 as 👩•💻
⬢ [Systemd] 🌈 curl -L http://localhost:8080
curl: (7) Failed to connect to localhost port 8080 after 0 ms: Couldn't connect to server
(⎈|minikube:kubernetes-dashboard)
xfhuangskaffold 🍣 main 📝 ×2🛤️ ×2🐢 ×5v
查看编译的镜像多大：
docker image ls|grep skaffold-buildpacks
run一个poeye
参考文档：
