使用Xml模块删除ansible中xml文件中的某些节点

问题描述 投票：0回答：1

我尝试从 

activemq.xml
配置文件中删除一些节点。在这个文件中，我想删除除 tcp 之外的所有连接

    <beans
      xmlns="http://www.springframework.org/schema/beans"
      xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
      xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
      http://activemq.apache.org/schema/core http://activemq.apache.org/schema/core/activemq-core.xsd">
    ...
       <broker xmlns="http://activemq.apache.org/schema/core" brokerName="localhost" dataDirectory="${activemq.data}">
       ...
            <transportConnectors>
                <!-- DOS protection, limit concurrent connections to 1000 and frame size to 100MB -->
                <transportConnector name="openwire" uri="tcp://0.0.0.0:61616?maximumConnections=1000&amp;wireFormat.maxFrameSize=104857600"/>
                <transportConnector name="amqp" uri="amqp://0.0.0.0:5672?maximumConnections=1000&amp;wireFormat.maxFrameSize=104857600"/>
                <transportConnector name="stomp" uri="stomp://0.0.0.0:61613?maximumConnections=1000&amp;wireFormat.maxFrameSize=104857600"/>
                <transportConnector name="mqtt" uri="mqtt://0.0.0.0:1883?maximumConnections=1000&amp;wireFormat.maxFrameSize=104857600"/>
                <transportConnector name="ws" uri="ws://0.0.0.0:61614?maximumConnections=1000&amp;wireFormat.maxFrameSize=104857600"/>
            </transportConnectors>
    ...
        </broker>
    </beans>

我使用ansible xml社区通用模块

- name: Désactiver les autres protocoles de publication de message
  xml:
    path: /mypath/activemq-modif.xml
    xpath: "/ns:beans/broker:broker/broker:transportConnectors/broker:transportConnector[@name!='openwire']/*"
    state: absent
    namespaces:
      ns: http://www.springframework.org/schema/beans
      broker: http://activemq.apache.org/schema/core

当我运行剧本时，没有错误，但文件没有改变。

如果我按照模块文档示例中的说明删除“/*”，则会出现错误

fatal: [localhost]: FAILED! => {"changed": false, "msg": "Couldn't delete xpath target: /ns:beans/broker:broker/broker:transportConnectors/broker:transportConnector[@name!='openwire'] (module 'lxml.etree' has no attribute '_ElementStringResult')"}

如何删除（或注释）除“openwire”之外的所有 TransportConnector 节点？

ansible-playbook [core 2.15.13]
  config file = None
  configured module search path = ['/root/.ansible/plugins/modules', '/usr/share/ansible/plugins/modules']
  ansible python module location = /usr/local/lib/python3.9/site-packages/ansible
  ansible collection location = /root/.ansible/collections:/usr/share/ansible/collections
  executable location = /usr/local/bin/ansible-playbook
  python version = 3.9.18 (main, Oct  4 2024, 00:00:00) [GCC 11.4.1 20231218 (Red Hat 11.4.1-3)] (/usr/bin/python3)
  jinja version = 3.1.4
  libyaml = True

Package             Version
------------------- --------
ansible             8.7.0
lxml                5.3.0
xml ansible lxml
1个回答
0
投票

这是基于 XSLT 的解决方案，它利用所谓的“身份转换”模式。

输入XML

<beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://activemq.apache.org/schema/core http://activemq.apache.org/schema/core/activemq-core.xsd">... <broker xmlns="http://activemq.apache.org/schema/core" brokerName="localhost" dataDirectory="${activemq.data}"> <transportConnectors> <!-- DOS protection, limit concurrent connections to 1000 and frame size to 100MB --> <transportConnector name="openwire" uri="tcp://0.0.0.0:61616?maximumConnections=1000&amp;wireFormat.maxFrameSize=104857600"/> <transportConnector name="amqp" uri="amqp://0.0.0.0:5672?maximumConnections=1000&amp;wireFormat.maxFrameSize=104857600"/> <transportConnector name="stomp" uri="stomp://0.0.0.0:61613?maximumConnections=1000&amp;wireFormat.maxFrameSize=104857600"/> <transportConnector name="mqtt" uri="mqtt://0.0.0.0:1883?maximumConnections=1000&amp;wireFormat.maxFrameSize=104857600"/> <transportConnector name="ws" uri="ws://0.0.0.0:61614?maximumConnections=1000&amp;wireFormat.maxFrameSize=104857600"/> </transportConnectors> </broker> </beans> 

XSLT

<?xml version="1.0"?>
<xsl:stylesheet version="1.0"
                xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
                xmlns:ns2="http://activemq.apache.org/schema/core">
    <xsl:output omit-xml-declaration="yes" indent="yes"/>
    <xsl:strip-space elements="*"/>

    <!--Identity transform-->
    <xsl:template match="node()|@*">
        <xsl:copy>
            <xsl:apply-templates select="node()|@*"/>
        </xsl:copy>
    </xsl:template>

    <xsl:template match="ns2:transportConnector[not(starts-with(@uri,'tcp:'))]"/>
</xsl:stylesheet>



输出XML

<beans xmlns="http://www.springframework.org/schema/beans" default-lazy-init="default" default-merge="default" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd       http://activemq.apache.org/schema/core http://activemq.apache.org/schema/core/activemq-core.xsd" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" default-autowire="default">
  <broker xmlns="http://activemq.apache.org/schema/core" dataDirectory="${activemq.data}" brokerName="localhost">
    <transportConnectors>
      <!-- DOS protection, limit concurrent connections to 1000 and frame size to 100MB -->
      <transportConnector name="openwire" uri="tcp://0.0.0.0:61616?maximumConnections=1000&amp;wireFormat.maxFrameSize=104857600"/>
    </transportConnectors>
  </broker>
</beans>


    
	

    

    


  

  

    
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