Build Fuchsia in CI

2 files changed, 102 insertions, 0 deletions

diff --git a/src/ci/docker/scripts/build-fuchsia-toolchain.sh b/src/ci/docker/scripts/build-fuchsia-toolchain.sh
new file mode 100755
index 00000000000..beea2f522fd
--- /dev/null
+++ b/src/ci/docker/scripts/build-fuchsia-toolchain.sh
@@ -0,0 +1,60 @@
+#!/usr/bin/env bash
+
+set -ex
+source shared.sh
+
+FUCHSIA_SDK_URL=https://chrome-infra-packages.appspot.com/dl/fuchsia/sdk/core/linux-amd64
+FUCHSIA_SDK_ID=MrhQwtmP8CpZre-i_PNOREcThbUcrX3bA-45d6WQr-cC
+FUCHSIA_SDK_SHA256=32b850c2d98ff02a59adefa2fcf34e44471385b51cad7ddb03ee3977a590afe7
+FUCHSIA_SDK_USR_DIR=/usr/local/core-linux-amd64-fuchsia-sdk
+CLANG_DOWNLOAD_URL=\
+https://chrome-infra-packages.appspot.com/dl/fuchsia/third_party/clang/linux-amd64
+CLANG_DOWNLOAD_ID=Tpc85d1ZwSlZ6UKl2d96GRUBGNA5JKholOKe24sRDr0C
+CLANG_DOWNLOAD_SHA256=4e973ce5dd59c12959e942a5d9df7a19150118d03924a86894e29edb8b110ebd
+
+install_clang() {
+  mkdir -p clang_download
+  pushd clang_download > /dev/null
+
+  # Download clang+llvm
+  curl -LO "${CLANG_DOWNLOAD_URL}/+/${CLANG_DOWNLOAD_ID}"
+  echo "$(echo ${CLANG_DOWNLOAD_SHA256}) ${CLANG_DOWNLOAD_ID}" | sha256sum --check --status
+  unzip -qq ${CLANG_DOWNLOAD_ID} -d clang-linux-amd64
+
+  # Other dists currently depend on our Clang... moving into /usr/local for other
+  #  dist usage instead of a Fuchsia /usr/local directory
+  chmod -R 777 clang-linux-amd64/.
+  cp -a clang-linux-amd64/. /usr/local
+
+  # CFLAGS and CXXFLAGS env variables in main Dockerfile handle sysroot linking
+  for arch in x86_64 aarch64; do
+    for tool in clang clang++; do
+      ln -s /usr/local/bin/${tool} /usr/local/bin/${arch}-unknown-fuchsia-${tool}
+    done
+    ln -s /usr/local/bin/llvm-ar /usr/local/bin/${arch}-unknown-fuchsia-ar
+  done
+
+  popd > /dev/null
+  rm -rf clang_download
+}
+
+install_zircon_libs() {
+  mkdir -p zircon
+  pushd zircon > /dev/null
+
+  # Download Fuchsia SDK (with Zircon libs)
+  curl -LO "${FUCHSIA_SDK_URL}/+/${FUCHSIA_SDK_ID}"
+  echo "$(echo ${FUCHSIA_SDK_SHA256}) ${FUCHSIA_SDK_ID}" | sha256sum --check --status
+  unzip -qq ${FUCHSIA_SDK_ID} -d core-linux-amd64
+
+  # Moving SDK into Docker's user-space
+  mkdir -p ${FUCHSIA_SDK_USR_DIR}
+  chmod -R 777 core-linux-amd64/.
+  cp -r core-linux-amd64/* ${FUCHSIA_SDK_USR_DIR}
+
+  popd > /dev/null
+  rm -rf zircon
+}
+
+hide_output install_clang
+hide_output install_zircon_libs
diff --git a/src/ci/docker/scripts/shared.sh b/src/ci/docker/scripts/shared.sh
new file mode 100644
index 00000000000..9969659088d
--- /dev/null
+++ b/src/ci/docker/scripts/shared.sh
@@ -0,0 +1,42 @@
+#!/bin/false
+# shellcheck shell=bash
+
+# This file is intended to be sourced with `. shared.sh` or
+# `source shared.sh`, hence the invalid shebang and not being
+# marked as an executable file in git.
+
+function hide_output {
+  { set +x; } 2>/dev/null
+  on_err="
+echo ERROR: An error was encountered with the build.
+cat /tmp/build.log
+exit 1
+"
+  trap "$on_err" ERR
+  bash -c "while true; do sleep 30; echo \$(date) - building ...; done" &
+  PING_LOOP_PID=$!
+  "$@" &> /tmp/build.log
+  trap - ERR
+  kill $PING_LOOP_PID
+  set -x
+}
+
+# See https://unix.stackexchange.com/questions/82598
+# Duplicated in src/ci/shared.sh
+function retry {
+  echo "Attempting with retry:" "$@"
+  local n=1
+  local max=5
+  while true; do
+    "$@" && break || {
+      if [[ $n -lt $max ]]; then
+        sleep $n  # don't retry immediately
+        ((n++))
+        echo "Command failed. Attempt $n/$max:"
+      else
+        echo "The command has failed after $n attempts."
+        return 1
+      fi
+    }
+  done
+}