add pypy dockerfile

pypy/master/Dockerfile

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+from pypy:2-onbuild
+CMD /usr/src/app/start_buildbot.sh

pypy/master/buildbot.tac

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+import sys
+
+from buildbot.master import BuildMaster
+from twisted.application import service
+from twisted.python.log import FileLogObserver, ILogObserver
+
+basedir = '/usr/src/app'
+configfile = 'master.cfg'
+
+# note: this line is matched against to check that this is a buildmaster
+# directory; do not edit it.
+application = service.Application('buildmaster')
+application.setComponent(ILogObserver, FileLogObserver(sys.stdout).emit)
+
+m = BuildMaster(basedir, configfile, umask=None)
+m.setServiceParent(application)

pypy/master/requirements.txt

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+buildbot[bundle]
+psycopg2cffi-compat

pypy/master/start_buildbot.sh

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+#!/bin/sh
+
+# startup script for purely stateless master
+
+# we download the config from an arbitrary curl accessible tar.gz file (which github can generate for us)
+
+B=`pwd`
+
+if [ -z "$BUILDBOT_CONFIG_URL" ]
+then
+    if [ ! -f "$B/master.cfg" ]
+    then
+        echo No master.cfg found nor $$BUILDBOT_CONFIG_URL !
+        echo Please provide a master.cfg file in $B or provide a $$BUILDBOT_CONFIG_URL variable via -e
+        exit 1
+    fi
+
+else
+    BUILDBOT_CONFIG_DIR=${BUILDBOT_CONFIG_DIR:-config}
+    mkdir -p $B/$BUILDBOT_CONFIG_DIR
+    # if it ends with .tar.gz then its a tarball, else its directly the file
+    if echo "$BUILDBOT_CONFIG_URL" | grep '.tar.gz$' >/dev/null
+    then
+        until curl -sL $BUILDBOT_CONFIG_URL | tar -xz --strip-components=1 --directory=$B/$BUILDBOT_CONFIG_DIR
+        do
+            echo "Can't download from \$BUILDBOT_CONFIG_URL: $BUILDBOT_CONFIG_URL"
+            sleep 1
+        done
+
+        ln -sf $B/$BUILDBOT_CONFIG_DIR/master.cfg $B/master.cfg
+
+        if [ -f $B/$BUILDBOT_CONFIG_DIR/buildbot.tac ]
+        then
+            ln -sf $B/$BUILDBOT_CONFIG_DIR/buildbot.tac $B/buildbot.tac
+        fi
+    else
+        until curl -sL $BUILDBOT_CONFIG_URL > $B/master.cfg
+        do
+            echo "Can't download from $$BUILDBOT_CONFIG_URL: $BUILDBOT_CONFIG_URL"
+        done
+    fi
+fi
+# copy the default buildbot.tac if not provided by the config
+if [ ! -f $B/buildbot.tac ]
+then
+    cp /usr/src/buildbot/contrib/docker/master/buildbot.tac $B
+fi
+# wait for db to start by trying to upgrade the master
+until buildbot upgrade-master $B
+do
+    echo "Can't upgrade master yet. Waiting for database ready?"
+    sleep 1
+done
+
+# we use exec so that twistd use the pid 1 of the container, and so that signals are properly forwarded
+exec twistd -ny $B/buildbot.tac