remove remnants of ccache with --use_docker

using ccache when building under a docker image isn't useful when
building on kokoro as each build runs on a fresh VM.
Originally ccache builds were used to speed up jenkins builds,
now removing to guarantee build isolation and simplify stuff.

3 files changed, 1 insertions, 16 deletions

diff --git a/tools/dockerfile/test/python_alpine_x64/Dockerfile b/tools/dockerfile/test/python_alpine_x64/Dockerfile
index 6e06e2d52c..3001bf43ff 100644
--- a/tools/dockerfile/test/python_alpine_x64/Dockerfile
+++ b/tools/dockerfile/test/python_alpine_x64/Dockerfile
@@ -42,13 +42,7 @@ RUN pip install virtualenv
 RUN pip install futures==2.2.0 enum34==1.0.4 protobuf==3.5.0.post1 six==1.10.0
 
 # Google Cloud platform API libraries
-RUN pip install --upgrade google-api-python-client
-
-# Prepare ccache
-RUN ln -s /usr/bin/ccache /usr/local/bin/gcc
-RUN ln -s /usr/bin/ccache /usr/local/bin/g++
-RUN ln -s /usr/bin/ccache /usr/local/bin/cc
-RUN ln -s /usr/bin/ccache /usr/local/bin/c++
+RUN pip install --upgrade google-api-python-client oauth2client
 
 RUN mkdir -p /var/local/jenkins
 
diff --git a/tools/run_tests/dockerize/build_docker_and_run_tests.sh b/tools/run_tests/dockerize/build_docker_and_run_tests.sh
index 614049cae5..1741b3268b 100755
--- a/tools/run_tests/dockerize/build_docker_and_run_tests.sh
+++ b/tools/run_tests/dockerize/build_docker_and_run_tests.sh
@@ -22,9 +22,6 @@ cd "$(dirname "$0")/../../.."
 git_root=$(pwd)
 cd -
 
-# Ensure existence of ccache directory
-mkdir -p /tmp/ccache
-
 # Inputs
 # DOCKERFILE_DIR - Directory in which Dockerfile file is located.
 # DOCKER_RUN_SCRIPT - Script to run under docker (relative to grpc repo root)
@@ -57,7 +54,6 @@ docker run \
   -e "RUN_TESTS_COMMAND=$RUN_TESTS_COMMAND" \
   -e "config=$config" \
   -e "arch=$arch" \
-  -e CCACHE_DIR=/tmp/ccache \
   -e THIS_IS_REALLY_NEEDED='see https://github.com/docker/docker/issues/14203 for why docker is awful' \
   -e HOST_GIT_ROOT="$git_root" \
   -e LOCAL_GIT_ROOT=$docker_instance_git_root \
@@ -73,7 +69,6 @@ docker run \
   --sysctl net.ipv6.conf.all.disable_ipv6=0 \
   -v ~/.config/gcloud:/root/.config/gcloud \
   -v "$git_root:$docker_instance_git_root" \
-  -v /tmp/ccache:/tmp/ccache \
   -v /tmp/npm-cache:/tmp/npm-cache \
   -w /var/local/git/grpc \
   --name="$CONTAINER_NAME" \
diff --git a/tools/run_tests/dockerize/build_interop_image.sh b/tools/run_tests/dockerize/build_interop_image.sh
index fcfcdeb4e4..126dd4065e 100755
--- a/tools/run_tests/dockerize/build_interop_image.sh
+++ b/tools/run_tests/dockerize/build_interop_image.sh
@@ -64,8 +64,6 @@ else
   echo "WARNING: grpc-node not found, it won't be mounted to the docker container."
 fi
 
-mkdir -p /tmp/ccache
-
 # Mount service account dir if available.
 # If service_directory does not contain the service account JSON file,
 # some of the tests will fail.
@@ -105,14 +103,12 @@ CONTAINER_NAME="build_${BASE_NAME}_$(uuidgen)"
 # shellcheck disable=SC2086
 (docker run \
   --cap-add SYS_PTRACE \
-  -e CCACHE_DIR=/tmp/ccache \
   -e THIS_IS_REALLY_NEEDED='see https://github.com/docker/docker/issues/14203 for why docker is awful' \
   -e THIS_IS_REALLY_NEEDED_ONCE_AGAIN='For issue 4835. See https://github.com/docker/docker/issues/14203 for why docker is awful' \
   -i \
   $TTY_FLAG \
   $MOUNT_ARGS \
   $BUILD_INTEROP_DOCKER_EXTRA_ARGS \
-  -v /tmp/ccache:/tmp/ccache \
   --name="$CONTAINER_NAME" \
   "$BASE_IMAGE" \
   bash -l "/var/local/jenkins/grpc/tools/dockerfile/interoptest/$BASE_NAME/build_interop.sh" \