Pin to 19.3.1

templates/tools/dockerfile/python_deps.include

@@ -9,6 +9,6 @@ RUN apt-get update && apt-get install -y ${'\\'}
     python-pip
 
 # Install Python packages from PyPI
-RUN pip install --upgrade pip
+RUN pip install --upgrade pip==19.3.1
 RUN pip install virtualenv
 RUN pip install futures==2.2.0 enum34==1.0.4 protobuf==3.5.2.post1 six==1.10.0 twisted==17.5.0

templates/tools/dockerfile/test/cxx_alpine_x64/Dockerfile.template

@@ -40,7 +40,7 @@
     zip
   
   # Install Python packages from PyPI
-  RUN pip install --upgrade pip
+  RUN pip install --upgrade pip==19.3.1
   RUN pip install virtualenv
   RUN pip install futures==2.2.0 enum34==1.0.4 protobuf==3.5.0.post1 six==1.10.0 twisted==17.5.0
   

tools/distrib/format_bazel.sh

@@ -21,7 +21,7 @@ CONFIG_PATH="$(dirname ${0})/bazel_style.cfg"
 
 python -m virtualenv ${VIRTUAL_ENV}
 PYTHON=${VIRTUAL_ENV}/bin/python
-"$PYTHON" -m pip install --upgrade pip
+"$PYTHON" -m pip install --upgrade pip==19.3.1
 "$PYTHON" -m pip install --upgrade futures
 "$PYTHON" -m pip install yapf==0.20.0
 

tools/distrib/pylint_code.sh

@@ -39,7 +39,7 @@ python3 -m virtualenv $VIRTUALENV -p $(which python3)
 
 PYTHON=$VIRTUALENV/bin/python
 
-$PYTHON -m pip install --upgrade pip
+$PYTHON -m pip install --upgrade pip==19.3.1
 $PYTHON -m pip install --upgrade pylint==2.2.2
 
 EXIT=0

tools/distrib/yapf_code.sh

@@ -32,7 +32,7 @@ VIRTUALENV=yapf_virtual_environment
 
 python3 -m virtualenv $VIRTUALENV -p $(which python3)
 PYTHON=${VIRTUALENV}/bin/python
-"$PYTHON" -m pip install --upgrade pip
+"$PYTHON" -m pip install --upgrade pip==19.3.1
 "$PYTHON" -m pip install --upgrade futures
 "$PYTHON" -m pip install yapf==0.20.0
 

tools/dockerfile/distribtest/python_dev_alpine3.7_x64/Dockerfile

@@ -16,7 +16,7 @@ FROM alpine:3.7
 
 RUN apk add --update build-base linux-headers python python-dev py-pip
 
-RUN pip install --upgrade pip
+RUN pip install --upgrade pip==19.3.1
 
 RUN pip install virtualenv
 

tools/dockerfile/grpc_clang_tidy/Dockerfile

@@ -34,7 +34,7 @@ RUN apt-get update && apt-get install -y \
     python-pip
 
 # Install Python packages from PyPI
-RUN pip install --upgrade pip
+RUN pip install --upgrade pip==19.3.1
 RUN pip install virtualenv
 RUN pip install futures==2.2.0 enum34==1.0.4 protobuf==3.5.2.post1 six==1.10.0 twisted==17.5.0
 

tools/dockerfile/interoptest/grpc_interop_csharp/Dockerfile

@@ -60,7 +60,7 @@ RUN apt-get update && apt-get install -y \
     python-pip
 
 # Install Python packages from PyPI
-RUN pip install --upgrade pip
+RUN pip install --upgrade pip==19.3.1
 RUN pip install virtualenv
 RUN pip install futures==2.2.0 enum34==1.0.4 protobuf==3.5.2.post1 six==1.10.0 twisted==17.5.0
 

tools/dockerfile/interoptest/grpc_interop_csharpcoreclr/Dockerfile

@@ -60,7 +60,7 @@ RUN apt-get update && apt-get install -y \
     python-pip
 
 # Install Python packages from PyPI
-RUN pip install --upgrade pip
+RUN pip install --upgrade pip==19.3.1
 RUN pip install virtualenv
 RUN pip install futures==2.2.0 enum34==1.0.4 protobuf==3.5.2.post1 six==1.10.0 twisted==17.5.0
 

tools/dockerfile/interoptest/grpc_interop_cxx/Dockerfile

@@ -61,7 +61,7 @@ RUN apt-get update && apt-get install -y \
     python-pip
 
 # Install Python packages from PyPI
-RUN pip install --upgrade pip
+RUN pip install --upgrade pip==19.3.1
 RUN pip install virtualenv
 RUN pip install futures==2.2.0 enum34==1.0.4 protobuf==3.5.2.post1 six==1.10.0 twisted==17.5.0
 

tools/dockerfile/interoptest/grpc_interop_go/Dockerfile

@@ -28,7 +28,7 @@ RUN apt-get update && apt-get install -y \
     python-pip
 
 # Install Python packages from PyPI
-RUN pip install --upgrade pip
+RUN pip install --upgrade pip==19.3.1
 RUN pip install virtualenv
 RUN pip install futures==2.2.0 enum34==1.0.4 protobuf==3.5.2.post1 six==1.10.0 twisted==17.5.0
 

tools/dockerfile/interoptest/grpc_interop_go1.11/Dockerfile

@@ -28,7 +28,7 @@ RUN apt-get update && apt-get install -y \
     python-pip
 
 # Install Python packages from PyPI
-RUN pip install --upgrade pip
+RUN pip install --upgrade pip==19.3.1
 RUN pip install virtualenv
 RUN pip install futures==2.2.0 enum34==1.0.4 protobuf==3.5.2.post1 six==1.10.0 twisted==17.5.0
 

tools/dockerfile/interoptest/grpc_interop_go1.7/Dockerfile

@@ -28,7 +28,7 @@ RUN apt-get update && apt-get install -y \
     python-pip
 
 # Install Python packages from PyPI
-RUN pip install --upgrade pip
+RUN pip install --upgrade pip==19.3.1
 RUN pip install virtualenv
 RUN pip install futures==2.2.0 enum34==1.0.4 protobuf==3.5.2.post1 six==1.10.0 twisted==17.5.0
 

tools/dockerfile/interoptest/grpc_interop_go1.8/Dockerfile

@@ -28,7 +28,7 @@ RUN apt-get update && apt-get install -y \
     python-pip
 
 # Install Python packages from PyPI
-RUN pip install --upgrade pip
+RUN pip install --upgrade pip==19.3.1
 RUN pip install virtualenv
 RUN pip install futures==2.2.0 enum34==1.0.4 protobuf==3.5.2.post1 six==1.10.0 twisted==17.5.0
 

tools/dockerfile/interoptest/grpc_interop_http2/Dockerfile

@@ -28,7 +28,7 @@ RUN apt-get update && apt-get install -y \
     python-pip
 
 # Install Python packages from PyPI
-RUN pip install --upgrade pip
+RUN pip install --upgrade pip==19.3.1
 RUN pip install virtualenv
 RUN pip install futures==2.2.0 enum34==1.0.4 protobuf==3.5.2.post1 six==1.10.0 twisted==17.5.0
 

tools/dockerfile/interoptest/grpc_interop_node/Dockerfile

@@ -61,7 +61,7 @@ RUN apt-get update && apt-get install -y \
     python-pip
 
 # Install Python packages from PyPI
-RUN pip install --upgrade pip
+RUN pip install --upgrade pip==19.3.1
 RUN pip install virtualenv
 RUN pip install futures==2.2.0 enum34==1.0.4 protobuf==3.5.2.post1 six==1.10.0 twisted==17.5.0
 

tools/dockerfile/interoptest/grpc_interop_ruby/Dockerfile

@@ -61,7 +61,7 @@ RUN apt-get update && apt-get install -y \
     python-pip
 
 # Install Python packages from PyPI
-RUN pip install --upgrade pip
+RUN pip install --upgrade pip==19.3.1
 RUN pip install virtualenv
 RUN pip install futures==2.2.0 enum34==1.0.4 protobuf==3.5.2.post1 six==1.10.0 twisted==17.5.0
 

tools/dockerfile/interoptest/lb_interop_fake_servers/Dockerfile

@@ -26,7 +26,7 @@ RUN apt-get update && apt-get install -y \
 RUN ln -s /usr/local/go/bin/go /usr/local/bin
 
 # Install Python packages from PyPI
-RUN pip install --upgrade pip
+RUN pip install --upgrade pip==19.3.1
 RUN pip install virtualenv
 RUN pip install futures==2.2.0 enum34==1.0.4 protobuf==3.5.2.post1 six==1.10.0 twisted==17.5.0
 

tools/dockerfile/test/bazel/Dockerfile

@@ -44,7 +44,7 @@ RUN apt-get update && apt-get install -y \
     python-pip
 
 # Install Python packages from PyPI
-RUN pip install --upgrade pip
+RUN pip install --upgrade pip==19.3.1
 RUN pip install virtualenv
 RUN pip install futures==2.2.0 enum34==1.0.4 protobuf==3.5.2.post1 six==1.10.0 twisted==17.5.0
 

tools/dockerfile/test/csharp_stretch_x64/Dockerfile

@@ -64,7 +64,7 @@ RUN apt-get update && apt-get install -y \
     python-pip
 
 # Install Python packages from PyPI
-RUN pip install --upgrade pip
+RUN pip install --upgrade pip==19.3.1
 RUN pip install virtualenv
 RUN pip install futures==2.2.0 enum34==1.0.4 protobuf==3.5.2.post1 six==1.10.0 twisted==17.5.0
 

tools/dockerfile/test/cxx_alpine_x64/Dockerfile

@@ -38,7 +38,7 @@ RUN apk update && apk add \
   zip
 
 # Install Python packages from PyPI
-RUN pip install --upgrade pip
+RUN pip install --upgrade pip==19.3.1
 RUN pip install virtualenv
 RUN pip install futures==2.2.0 enum34==1.0.4 protobuf==3.5.0.post1 six==1.10.0 twisted==17.5.0
 

tools/dockerfile/test/cxx_buster_x64/Dockerfile

@@ -64,7 +64,7 @@ RUN apt-get update && apt-get install -y \
     python-pip
 
 # Install Python packages from PyPI
-RUN pip install --upgrade pip
+RUN pip install --upgrade pip==19.3.1
 RUN pip install virtualenv
 RUN pip install futures==2.2.0 enum34==1.0.4 protobuf==3.5.2.post1 six==1.10.0 twisted==17.5.0
 

tools/dockerfile/test/cxx_jessie_x64/Dockerfile

@@ -65,7 +65,7 @@ RUN apt-get update && apt-get install -y \
     python-pip
 
 # Install Python packages from PyPI
-RUN pip install --upgrade pip
+RUN pip install --upgrade pip==19.3.1
 RUN pip install virtualenv
 RUN pip install futures==2.2.0 enum34==1.0.4 protobuf==3.5.2.post1 six==1.10.0 twisted==17.5.0
 

tools/dockerfile/test/cxx_jessie_x86/Dockerfile

@@ -65,7 +65,7 @@ RUN apt-get update && apt-get install -y \
     python-pip
 
 # Install Python packages from PyPI
-RUN pip install --upgrade pip
+RUN pip install --upgrade pip==19.3.1
 RUN pip install virtualenv
 RUN pip install futures==2.2.0 enum34==1.0.4 protobuf==3.5.2.post1 six==1.10.0 twisted==17.5.0
 

tools/dockerfile/test/cxx_sanitizers_jessie_x64/Dockerfile

@@ -66,7 +66,7 @@ RUN apt-get update && apt-get install -y \
     python-pip
 
 # Install Python packages from PyPI
-RUN pip install --upgrade pip
+RUN pip install --upgrade pip==19.3.1
 RUN pip install virtualenv
 RUN pip install futures==2.2.0 enum34==1.0.4 protobuf==3.5.2.post1 six==1.10.0 twisted==17.5.0
 

tools/dockerfile/test/cxx_ubuntu1404_x64/Dockerfile

@@ -64,7 +64,7 @@ RUN apt-get update && apt-get install -y \
     python-pip
 
 # Install Python packages from PyPI
-RUN pip install --upgrade pip
+RUN pip install --upgrade pip==19.3.1
 RUN pip install virtualenv
 RUN pip install futures==2.2.0 enum34==1.0.4 protobuf==3.5.2.post1 six==1.10.0 twisted==17.5.0
 

tools/dockerfile/test/cxx_ubuntu1604_x64/Dockerfile

@@ -64,7 +64,7 @@ RUN apt-get update && apt-get install -y \
     python-pip
 
 # Install Python packages from PyPI
-RUN pip install --upgrade pip
+RUN pip install --upgrade pip==19.3.1
 RUN pip install virtualenv
 RUN pip install futures==2.2.0 enum34==1.0.4 protobuf==3.5.2.post1 six==1.10.0 twisted==17.5.0
 

tools/dockerfile/test/cxx_ubuntu1804_x64/Dockerfile

@@ -64,7 +64,7 @@ RUN apt-get update && apt-get install -y \
     python-pip
 
 # Install Python packages from PyPI
-RUN pip install --upgrade pip
+RUN pip install --upgrade pip==19.3.1
 RUN pip install virtualenv
 RUN pip install futures==2.2.0 enum34==1.0.4 protobuf==3.5.2.post1 six==1.10.0 twisted==17.5.0
 

tools/dockerfile/test/fuzzer/Dockerfile

@@ -65,7 +65,7 @@ RUN apt-get update && apt-get install -y \
     python-pip
 
 # Install Python packages from PyPI
-RUN pip install --upgrade pip
+RUN pip install --upgrade pip==19.3.1
 RUN pip install virtualenv
 RUN pip install futures==2.2.0 enum34==1.0.4 protobuf==3.5.2.post1 six==1.10.0 twisted==17.5.0
 

tools/dockerfile/test/node_jessie_x64/Dockerfile

@@ -76,7 +76,7 @@ RUN apt-get update && apt-get install -y \
     python-pip
 
 # Install Python packages from PyPI
-RUN pip install --upgrade pip
+RUN pip install --upgrade pip==19.3.1
 RUN pip install virtualenv
 RUN pip install futures==2.2.0 enum34==1.0.4 protobuf==3.5.2.post1 six==1.10.0 twisted==17.5.0
 

tools/dockerfile/test/php7_jessie_x64/Dockerfile

@@ -76,7 +76,7 @@ RUN apt-get update && apt-get install -y \
     python-pip
 
 # Install Python packages from PyPI
-RUN pip install --upgrade pip
+RUN pip install --upgrade pip==19.3.1
 RUN pip install virtualenv
 RUN pip install futures==2.2.0 enum34==1.0.4 protobuf==3.5.2.post1 six==1.10.0 twisted==17.5.0
 

tools/dockerfile/test/php_jessie_x64/Dockerfile

@@ -65,7 +65,7 @@ RUN apt-get update && apt-get install -y \
     python-pip
 
 # Install Python packages from PyPI
-RUN pip install --upgrade pip
+RUN pip install --upgrade pip==19.3.1
 RUN pip install virtualenv
 RUN pip install futures==2.2.0 enum34==1.0.4 protobuf==3.5.2.post1 six==1.10.0 twisted==17.5.0
 

tools/dockerfile/test/python_alpine_x64/Dockerfile

@@ -37,7 +37,7 @@ RUN apk update && apk add \
   zip
 
 # Install Python packages from PyPI
-RUN pip install --upgrade pip
+RUN pip install --upgrade pip==19.3.1
 RUN pip install virtualenv
 RUN pip install futures==2.2.0 enum34==1.0.4 protobuf==3.5.0.post1 six==1.10.0
 

tools/dockerfile/test/ruby_jessie_x64/Dockerfile

@@ -65,7 +65,7 @@ RUN apt-get update && apt-get install -y \
     python-pip
 
 # Install Python packages from PyPI
-RUN pip install --upgrade pip
+RUN pip install --upgrade pip==19.3.1
 RUN pip install virtualenv
 RUN pip install futures==2.2.0 enum34==1.0.4 protobuf==3.5.2.post1 six==1.10.0 twisted==17.5.0
 

tools/gce/linux_kokoro_performance_worker_init.sh

@@ -77,7 +77,7 @@ sudo apt-get install -y google-cloud-sdk
 sudo apt-get install -y libgflags-dev libgtest-dev libc++-dev clang
 
 # Python dependencies
-sudo pip install --upgrade pip
+sudo pip install --upgrade pip==19.3.1
 sudo pip install tabulate
 sudo pip install google-api-python-client oauth2client
 sudo pip install virtualenv

tools/run_tests/helper_scripts/build_python.sh

@@ -175,7 +175,7 @@ case "$VENV" in
   ;;
 esac
 
-$VENV_PYTHON -m pip install --upgrade pip
+$VENV_PYTHON -m pip install --upgrade pip==19.3.1
 $VENV_PYTHON -m pip install --upgrade setuptools
 $VENV_PYTHON -m pip install --upgrade cython
 $VENV_PYTHON -m pip install --upgrade six enum34 protobuf