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      1 #!/bin/bash
      2 # Copyright 2017 gRPC authors.
      3 #
      4 # Licensed under the Apache License, Version 2.0 (the "License");
      5 # you may not use this file except in compliance with the License.
      6 # You may obtain a copy of the License at
      7 #
      8 #     http://www.apache.org/licenses/LICENSE-2.0
      9 #
     10 # Unless required by applicable law or agreed to in writing, software
     11 # distributed under the License is distributed on an "AS IS" BASIS,
     12 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13 # See the License for the specific language governing permissions and
     14 # limitations under the License.
     15 
     16 # Source this rc script to prepare the environment for linux builds
     17 
     18 # Need to increase open files limit for c tests
     19 ulimit -n 32768
     20 
     21 # Move docker's storage location to scratch disk so we don't run out of space.
     22 echo 'DOCKER_OPTS="${DOCKER_OPTS} --graph=/tmpfs/docker"' | sudo tee --append /etc/default/docker
     23 # Use container registry mirror for pulling docker images (should make downloads faster)
     24 # See https://cloud.google.com/container-registry/docs/using-dockerhub-mirroring
     25 echo 'DOCKER_OPTS="${DOCKER_OPTS} --registry-mirror=https://mirror.gcr.io"' | sudo tee --append /etc/default/docker
     26 sudo service docker restart
     27 
     28 # Download Docker images from DockerHub
     29 export DOCKERHUB_ORGANIZATION=grpctesting
     30 
     31 git submodule update --init
     32