Merge pull request #3638 from soltanmm/pip-so-cash

Enable `pip` caching

3 files changed, 14 insertions, 2 deletions

diff --git a/tools/jenkins/build_docker_and_run_tests.sh b/tools/jenkins/build_docker_and_run_tests.sh
index 2c562e992a..8b7809f2e2 100755
--- a/tools/jenkins/build_docker_and_run_tests.sh
+++ b/tools/jenkins/build_docker_and_run_tests.sh
@@ -37,8 +37,13 @@ cd `dirname $0`/../..
 git_root=`pwd`
 cd -
 
+# Ensure existence of ccache directory
 mkdir -p /tmp/ccache
 
+# Ensure existence of the home directory for XDG caches (e.g. what pip uses for
+# its cache location now that --download-cache is deprecated).
+mkdir -p /tmp/xdg-cache-home
+
 # Create a local branch so the child Docker script won't complain
 git branch -f jenkins-docker
 
@@ -57,9 +62,11 @@ docker run \
   -e "config=$config" \
   -e "arch=$arch" \
   -e CCACHE_DIR=/tmp/ccache \
+  -e XDG_CACHE_HOME=/tmp/xdg-cache-home \
   -i $TTY_FLAG \
   -v "$git_root:/var/local/jenkins/grpc" \
   -v /tmp/ccache:/tmp/ccache \
+  -v /tmp/xdg-cache-home:/tmp/xdg-cache-home \
   -v /var/run/docker.sock:/var/run/docker.sock \
   -v $(which docker):/bin/docker \
   -w /var/local/git/grpc \
diff --git a/tools/jenkins/docker_run_tests.sh b/tools/jenkins/docker_run_tests.sh
index 2e39bc6f51..8bafeea620 100755
--- a/tools/jenkins/docker_run_tests.sh
+++ b/tools/jenkins/docker_run_tests.sh
@@ -36,6 +36,10 @@ set -e
 export CONFIG=$config
 export ASAN_SYMBOLIZER_PATH=/usr/bin/llvm-symbolizer-3.5
 
+# Ensure that programs depending on current-user-ownership of cache directories
+# are satisfied (it's being mounted from outside the image).
+chown `whoami` $XDG_CACHE_HOME
+
 mkdir -p /var/local/git
 git clone --recursive /var/local/jenkins/grpc /var/local/git/grpc
 
diff --git a/tools/jenkins/grpc_jenkins_slave/Dockerfile b/tools/jenkins/grpc_jenkins_slave/Dockerfile
index 4f5387eeb5..5f2b425c8c 100644
--- a/tools/jenkins/grpc_jenkins_slave/Dockerfile
+++ b/tools/jenkins/grpc_jenkins_slave/Dockerfile
@@ -126,10 +126,11 @@ RUN /bin/bash -l -c "gem install bundler --no-ri --no-rdoc"
 RUN apt-get update && apt-get install -y \
     python-all-dev \
     python3-all-dev \
-    python-pip \
-    python-virtualenv
+    python-pip
 
 # Install Python packages from PyPI
+RUN pip install pip --upgrade
+RUN pip install virtualenv
 RUN pip install futures==2.2.0 enum34==1.0.4 protobuf==3.0.0a2
 
 # For sanity test