Oozie Email Action Extension
Email为同步执行，将执行完后再执行其他活动， to addresses cc addresses (optional) subject body
语法：
<workflow-app name="[WF-DEF-NAME]" xmlns="uri:oozie:workflow:0.1">
...
<action name="[NODE-NAME]">
<email xmlns="uri:oozie:email-action:0.2">
<to>[COMMA-SEPARATED-TO-ADDRESSES]</to>
<cc>[COMMA-SEPARATED-CC-ADDRESSES]</cc> <!-- cc is optional -->
<subject>[SUBJECT]</subject>
<body>[BODY]</body>
<content_type>[CONTENT-TYPE]</content_type> <!-- content_type is optional -->
</email>
<ok to="[NODE-NAME]"/>
<error to="[NODE-NAME]"/>
</action>
...
</workflow-app>
配置：
oozie-site.xml
oozie.email.smtp.host - SMTP 服务器主机名(localhost by default).
oozie.email.smtp.port - SMTP server 连接端口(25 by default).
oozie.email.from.address - 邮件给所有的地址The from address to be used for mailing all emails (oozie@localhost by default).
oozie.email.smtp.auth - 是否启用验证. (false by default).
oozie.email.smtp.username - the username to login as (empty by default).
oozie.email.smtp.password - the username's password (empty by default).
示例：
<workflow-app name="sample-wf" xmlns="uri:oozie:workflow:0.1">
...
<action name="an-email">
<email xmlns="uri:oozie:email-action:0.1">
<to>bob@initech.com,the.other.bob@initech.com</to>
<cc>will@initech.com</cc>
<subject>Email notifications for ${wf:id()}</subject>
<body>The wf ${wf:id()} successfully completed.</body>
</email>
<ok to="myotherjob"/>
<error to="errorcleanup"/>
</action>
...
</workflow-app>
Email XML-Schema
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema"
xmlns:email="uri:oozie:email-action:0.2" elementFormDefault="qualified"
targetNamespace="uri:oozie:email-action:0.2">
.
<xs:element name="email" type="email:ACTION"/>
.
<xs:complexType name="ACTION">
<xs:sequence>
<xs:element name="to" type="xs:string" minOccurs="1" maxOccurs="1"/>
<xs:element name="cc" type="xs:string" minOccurs="0" maxOccurs="1"/>
<xs:element name="subject" type="xs:string" minOccurs="1" maxOccurs="1"/>
<xs:element name="body" type="xs:string" minOccurs="1" maxOccurs="1"/>
<xs:element name="content_type" type="xs:string" minOccurs="0" maxOccurs="1"/>
</xs:sequence>
</xs:complexType>
</xs:schema>