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karaf配置自定义featrues

2015-11-16 11:51 411 查看
系统环境

JDK :1.8.0_66 x64

Karaf:apache-karaf-4.0.2

maven:Apache Maven 3.3.3

karaf中的feature通常是几个bundle的集合,安装这个feature的时候,相应的bundle也都会被安装上去,用来管理bundle很方便

下面来介绍如何自己开发一个feature

这里来制作一个名字为:apache-commons-utils的feature,里面包含如下bundle

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<bundle>mvn:commons-io/commons-io/2.4</bundle>  

<bundle>mvn:commons-lang/commons-lang/2.6</bundle>  

<bundle>mvn:commons-discovery/commons-discovery/0.5</bundle>  

<bundle>mvn:commons-math/commons-math/1.2</bundle>  

<bundle>mvn:commons-net/commons-net/3.3</bundle>  

再加上2个配置文件 http.cfg、jdbc.cfg (配置文件只是为了演示如何在安装feature的时候,也同时把配置文件安装上)

新建一个maven项目,groupId:com.lala,artifactId:demo-features,version:1.0.0

1:resources目录下,新建http.cfg、jdbc.cfg两个配置文件,内容随便

2:resources目录下,新建features.xml文件,内容如下:

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<?xml version="1.0" encoding="UTF-8"?>  

<features name="karaf-cellar-4.0.0" xmlns="http://karaf.apache.org/xmlns/features/v1.3.0"   

          xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"   

          xsi:schemaLocation="http://karaf.apache.org/xmlns/features/v1.3.0 http://karaf.apache.org/xmlns/features/v1.3.0">  

  

    <feature name="apache-commons-utils" description="apache commons utils" version="1.0.0">  

        <!-- 这个配置文件将会安装到etc/目录下 -->  

        <configfile finalname="/etc/demo-features.jdbc.cfg">mvn:com.lala/demo-features/1.0.0/cfg/jdbc</configfile>  

        <!-- 这个配置文件将会安装到deploy/目录下 -->  

        <configfile finalname="/deploy/demo-features.http.cfg" override="true">mvn:com.lala/demo-features/1.0.0/cfg/http</configfile>  

        <bundle>mvn:commons-io/commons-io/2.4</bundle>  

        <bundle>mvn:commons-lang/commons-lang/2.6</bundle>  

        <bundle>mvn:commons-discovery/commons-discovery/0.5</bundle>  

        <bundle>mvn:commons-math/commons-math/1.2</bundle>  

        <bundle>mvn:commons-net/commons-net/3.3</bundle>  

    <!--
安装buleprint -->

       <bundle>blueprint:mvn:WHTR.Common/DataImport/1.2.0/xml/blueprint</bundle>

    </feature>  

</features>  

3:在pom.xml加上如下插件配置

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<plugin>  

    <groupId>org.apache.maven.plugins</groupId>  

    <artifactId>maven-resources-plugin</artifactId>  

    <configuration>  

        <useDefaultDelimiters>false</useDefaultDelimiters>  

        <delimiters>  

            <delimiter>${*}</delimiter>  

        </delimiters>  

    </configuration>  

    <executions>  

        <execution>  

            <id>filter</id>  

            <phase>generate-resources</phase>  

            <goals>  

                <goal>resources</goal>  

            </goals>  

        </execution>  

    </executions>  

</plugin>  

<plugin>  

    <groupId>org.codehaus.mojo</groupId>  

    <artifactId>build-helper-maven-plugin</artifactId>  

    <version>1.9.1</version>  

    <executions>  

        <execution>  

            <id>attach-artifact</id>  

            <phase>package</phase>  

            <goals>  

                <goal>attach-artifact</goal>  

            </goals>  

            <configuration>  

                <artifacts>  

                    <artifact>  

                        <file>target/classes/features.xml</file>  

                        <type>xml</type>  

                        <classifier>features</classifier>  

                    </artifact>  

                    <artifact>  

                        <file>target/classes/jdbc.cfg</file>  

                        <type>cfg</type>  

                        <classifier>jdbc</classifier>  

                    </artifact>  

                    <artifact>  

                        <file>target/classes/http.cfg</file>  

                        <type>cfg</type>  

                        <classifier>http</classifier>  

                    </artifact>  

                  <!--安装buleprint-->

                   <artifact>

                        <file>target/webServiceblueprint.xml</file>

                        <type>xml</type>

                        <classifier>blueprint</classifier>

                </artifact>

                </artifacts>  

            </configuration>  

        </execution>  

    </executions>  

</plugin>  

注意:这里的artifact、file、type、classifier的配置方法为:

type为file的扩展名,classifier为file的文件名

配置好之后,执行mvn clean install ,mvn clean deploy

4:修改${karaf.home}/etc/org.apache.karaf.features.cfg文件

在featuresRepositories配置项后面加上:mvn:com.lala/demo-features/1.0.0/xml/features

5:修改${karaf.home}/etc/org.ops4j.pax.url.mvn.cfg文件,

在org.ops4j.pax.url.mvn.repositories配置项后面加上:http://192.168.1.100:8080/nexus/content/groups/public  (maven私服的地址)

org.ops4j.pax.url.mvn.settings

org.ops4j.pax.url.mvn.localRepository

这2个配置项,如果你maven本地的仓库地址变了,就需要修改,否则,就不需要修改

5:修改好了之后,重启karaf,执行安装,即可看到效果

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karaf@root()> feature:install apache-commons-utils  

karaf@root()> list  

START LEVEL 100 , List Threshold: 50  

ID | State  | Lvl | Version | Name  

--------------------------------------------------------  

52 | Active |  80 | 0.5     | Commons Discovery  

53 | Active |  80 | 2.4.0   | Commons IO  

54 | Active |  80 | 2.6     | Commons Lang  

55 | Active |  80 | 1.2     | Apache Commons Math Bundle  

56 | Active |  80 | 3.3.0   | Commons Net  

karaf@root()>  
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