releng.wtpbuilder/scripts/build/checkForFastFail.xml

<!--
    Copyright (c) 2011, 2019 IBM Corporation and others.
    This program and the accompanying materials
    are made available under the terms of the Eclipse Public License 2.0
    which accompanies this distribution, and is available at
    https://www.eclipse.org/legal/epl-2.0/

    SPDX-License-Identifier: EPL-2.0

    Contributors:
        IBM Corporation - initial API and implementation
 -->
<project
    default="checkForFastFail"
    basedir=".">

    <target name="checkForFastFail">


        <property
            name="resource"
            value="${env.LOG_DIR}/${projectname}/antBuilderOutput.log"/>
        <!--          
        <property
            name="resource"
            value="/opt/public/webtools/committers/wtp-R3.3.0-I/20110308135648/I-3.3.0-20110308135648/antBuilderOutput.log"/>
       -->

        <!-- remember to quote any grep special characters, such as bracket ([) -->
        <antcall target="checkForString">
            <param
                name="stringToCheck"
                value="cvs \[export aborted\]\:"/>
            <param
                name="shortDescription"
                value="Problem with CVS checkout. Check tag. Perhaps network. "/>
        </antcall>

        <antcall target="checkForString">
            <param
                name="stringToCheck"
                value="\[p2.repo2runnable\] \[Fatal Error\]"/>
            <param
                name="shortDescription"
                value="P2 fetch or install problem. Check tags? Network? Or ... just re-run."/>
        </antcall>
                    
        <!-- note use of wild card (.) since can not embbed apostophe (') in so many other quotes and apostrophes -->
        <antcall target="checkForString">
            <param
                name="stringToCheck"
                value="\[get\] Can.t get http"/>
            <param
                name="shortDescription"
                value="Problem getting prereq via http. Check name or spelling. "/>
        </antcall>

        <antcall target="checkForString">
            <param
                name="stringToCheck"
                value="BUILD FAILED"/>
            <param
                name="shortDescription"
                value="Generic failure for unknown reasons. See log context. "/>
        </antcall>


    </target>
    <target name="checkForString">
        <!-- can not echo string here ... or, next check will find it, instead of real one
        <echo message="   Checking for '${stringToCheck}'"/>
        
        Note that we "capture" errorProperty, in an effort to avoid "error result: 1" being logged
        to our standard output. Grep returns a "1" if there is no match ... which isn't really an 
        error, but makes output "look funny" seeing so many error codes, especially in CC logs. 
        TODO: we could check if error was greater than or equal to '2', which is somesort of "real" error. 
        -->
        <exec
            executable="grep"
            outputproperty="reasonFailed"
            resultproperty="returnCode"
            errorproperty="ignoredErrored"
            error="${env.LOG_DIR}/${projectname}/grepError.log"
            failonerror="false">
            <arg line="-s --max-count 1 --after-context 20 --before-context 10 --regexp='${stringToCheck}' ${resource}"/>
        </exec>

        <!-- it appears the exec, at least for grep, returns an empty string if no match 
             so we follow that check to see if return result has length. TODO: could maybe use return code? -->
        <condition
            property="reasonFailedText"
            value="${reasonFailed}">
            <length
                string="${reasonFailed}"
                trim="true"
                when="greater"
                length="0"/>
        </condition>

        <antcall target="copyAndFailIfReason"/>
    </target>

    <target
        name="copyAndFailIfReason"
        if="reasonFailedText">

        <property
            name="formatedReasonFailedText"
            value="FAST FAIL CHECK found matching string '${stringToCheck}'${line.separator}----------------${line.separator}Context of matching text leading to fast fail (-10 to +20 lines, see ${resource} if reason not obvious from context): ${line.separator}----------------${line.separator}${reasonFailedText}${line.separator}----------------${line.separator}"/>
            
        <!-- be sure to echo reason msg to log -->
        <!-- TODO: we could write this to a file, and make available from download page -->

        <echo message="FAST FAIL CHECK found reason to end build: ${shortDescription}"/>
        <echo message="Resource being used in fast fail check: ${resource}"/>
        <echo message="${formatedReasonFailedText}"/>
        
        <!-- copy early, if we can ... else site won't be created, when we fail -->
        <ant antfile="${wtp.builder.home}/scripts/build/copyArtifactsEarly.xml"/>

        <fail message="${shortDescription}"/>
    </target>

</project>