do-it.sh

#!/bin/bash

GITBASE=~/git/openstack
RELEASE=${RELEASE:-havana}
BASEDIR=$(pwd)
CONFIGDIR=$(pwd)/openstack-config
TEMPDIR=${TEMPDIR:-$(mktemp -d $(pwd)/dmtmp-XXXXXX)}
GITLOGARGS="--no-merges --numstat -M --find-copies-harder"

UPDATE_GIT=${UPDATE_GIT:-y}
GIT_STATS=${GIT_STATS:-y}
LP_STATS=${LP_STATS:-y}
QUERY_LP=${QUERY_LP:-y}
GERRIT_STATS=${GERRIT_STATS:-y}
REMOVE_TEMPDIR=${REMOVE_TEMPDIR:-y}

if [ ! -d .venv ]; then
    echo "Creating a virtualenv"
    ./tools/install_venv.sh
fi

if [ "$UPDATE_GIT" = "y" ]; then
    echo "Updating projects from git"
    grep -v '^#' ${CONFIGDIR}/${RELEASE} |
        while read project x; do
          cd ${GITBASE}/${project}
          git fetch origin 2>/dev/null
        done
fi

if [ "$GIT_STATS" = "y" ] ; then
    echo "Generating git commit logs"
    grep -v '^#' ${CONFIGDIR}/${RELEASE} |
        while read project revisions excludes x; do
            cd ${GITBASE}/${project}
            git log ${GITLOGARGS} ${revisions} > "${TEMPDIR}/${project}-commits.log"
            if [ -n "$excludes" ]; then
                awk "/^commit /{ok=1} /^commit ${excludes}/{ok=0} {if(ok) {print}}" \
                    < "${TEMPDIR}/${project}-commits.log" > "${TEMPDIR}/${project}-commits.log.new"
                mv "${TEMPDIR}/${project}-commits.log.new" "${TEMPDIR}/${project}-commits.log"
            fi
        done

    echo "Generating git statistics"
    cd ${BASEDIR}
    grep -v '^#' ${CONFIGDIR}/${RELEASE} |
        while read project x; do
            python gitdm -l 20 -n < "${TEMPDIR}/${project}-commits.log" > "${TEMPDIR}/${project}-git-stats.txt"
            # also create a full dump with csv for further downstream processing
            python gitdm -n -y -z -x "${TEMPDIR}/${project}-git-stats.csv" < "${TEMPDIR}/${project}-commits.log" > "${TEMPDIR}/${project}-git-stats-all.txt"
        done

    grep -v '^#' ${CONFIGDIR}/${RELEASE} |
        while read project x; do
            cat "${TEMPDIR}/${project}-commits.log" >> "${TEMPDIR}/git-commits.log"
        done
    python gitdm  -n -y -z -x "${TEMPDIR}/git-stats.csv" < "${TEMPDIR}/git-commits.log" > "${TEMPDIR}/git-stats.txt"
fi

if [ "$LP_STATS" = "y" ] ; then
    echo "Generating a list of bugs"
    cd ${BASEDIR}
    grep -v '^#' ${CONFIGDIR}/${RELEASE} |
        while read project x; do
            if [ ! -f "${TEMPDIR}/${project}-bugs.log" -a "$QUERY_LP" = "y" ]; then
                ./tools/with_venv.sh python launchpad/buglist.py ${project} ${RELEASE} > "${TEMPDIR}/${project}-bugs.log"
            fi
            while read id person date x; do
                emails=$(awk "/^$person / {print \$2}" ${CONFIGDIR}/launchpad-ids.txt)
                echo $id $person $date $emails
            done < "${TEMPDIR}/${project}-bugs.log" > "${TEMPDIR}/${project}-bugs.log.new"
            mv "${TEMPDIR}/${project}-bugs.log.new" "${TEMPDIR}/${project}-bugs.log"
        done

    echo "Generating launchpad statistics"
    cd ${BASEDIR}
    grep -v '^#' ${CONFIGDIR}/${RELEASE} |
        while read project x; do
            grep -v '<unknown>' "${TEMPDIR}/${project}-bugs.log" |
                python lpdm -l 20 > "${TEMPDIR}/${project}-lp-stats.txt"
        done

    > "${TEMPDIR}/lp-bugs.log"
    grep -v '^#' ${CONFIGDIR}/${RELEASE} |
        while read project x; do
            grep -v '<unknown>' "${TEMPDIR}/${project}-bugs.log" >> "${TEMPDIR}/lp-bugs.log"
        done
    grep -v '<unknown>' "${TEMPDIR}/lp-bugs.log" |
        python lpdm -l 20 > "${TEMPDIR}/lp-stats.txt"
fi

if [ "$GERRIT_STATS" = "y" ] ; then
    echo "Generating a list of Change-Ids"
    grep -v '^#' ${CONFIGDIR}/${RELEASE} |
        while read project revisions x; do
            cd "${GITBASE}/${project}"
            git log ${revisions} |
                awk '/^    Change-Id: / { print $2 }' |
                split -l 100 -d - "${TEMPDIR}/${project}-${RELEASE}-change-ids-"
        done

    cd ${TEMPDIR}
    grep -v '^#' ${CONFIGDIR}/${RELEASE} |
        while read project x; do
            > ${project}-${RELEASE}-reviews.json
            for f in ${project}-${RELEASE}-change-ids-??; do
                echo "Querying gerrit: ${f}"
                ssh -p 29418 review.openstack.org \
                    gerrit query --all-approvals --format=json \
                    $(awk -v ORS=' OR '  '{print}' $f | sed 's/ OR $//') \
                    < /dev/null >> "${project}-${RELEASE}-reviews.json"
            done
        done

    echo "Generating a list of commit IDs"
    grep -v '^#' ${CONFIGDIR}/${RELEASE} |
        while read project revisions x; do
            cd "${GITBASE}/${project}"
            git log --pretty=format:%H $revisions > \
                "${TEMPDIR}/${project}-${RELEASE}-commit-ids.txt"
        done

    echo "Parsing the gerrit queries"
    cd ${BASEDIR}
    grep -v '^#' ${CONFIGDIR}/${RELEASE} |
        while read project x; do
            python gerrit/parse-reviews.py \
                "${TEMPDIR}/${project}-${RELEASE}-commit-ids.txt" \
                "${CONFIGDIR}/launchpad-ids.txt" \
                < "${TEMPDIR}/${project}-${RELEASE}-reviews.json"  \
                > "${TEMPDIR}/${project}-${RELEASE}-reviewers.txt"
        done

    echo "Generating gerrit statistics"
    cd ${BASEDIR}
    grep -v '^#' ${CONFIGDIR}/${RELEASE} |
        while read project x; do
            python gerritdm -l 20 \
                < "${TEMPDIR}/${project}-${RELEASE}-reviewers.txt" \
                > "${TEMPDIR}/${project}-gerrit-stats.txt"
            python gerritdm -z \
                < "${TEMPDIR}/${project}-${RELEASE}-reviewers.txt" \
                > "${TEMPDIR}/${project}-gerrit-stats-all.txt"
        done

    > "${TEMPDIR}/gerrit-reviewers.txt"
    grep -v '^#' ${CONFIGDIR}/${RELEASE} |
        while read project x; do
            cat "${TEMPDIR}/${project}-${RELEASE}-reviewers.txt" >> "${TEMPDIR}/gerrit-reviewers.txt"
        done
    python gerritdm -l 20 < "${TEMPDIR}/gerrit-reviewers.txt" > "${TEMPDIR}/gerrit-stats.txt"
    python gerritdm -z < "${TEMPDIR}/gerrit-reviewers.txt" > "${TEMPDIR}/gerrit-stats-all.txt"
fi

cd ${BASEDIR}
rm -rf ${RELEASE} && mkdir ${RELEASE}
mv ${TEMPDIR}/*stats.txt ${RELEASE}
mv ${TEMPDIR}/*stats-all.txt ${RELEASE}
mv ${TEMPDIR}/*.csv ${RELEASE}

[ "$REMOVE_TEMPDIR" = "y" ] && rm -rf ${TEMPDIR} || echo "Not removing ${TEMPDIR}"