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#!/bin/bash -vex
# Set bash options to exit immediately if a pipeline exists non-zero, expand
# print a trace of commands, and make output verbose (print shell input as it's
# read)
# See https://www.gnu.org/software/bash/manual/html_node/The-Set-Builtin.html
set -x -e -v
# Prefix errors with taskcluster error prefix so that they are parsed by Treeherder
raise_error() {
echo
echo "[taskcluster-image-build:error] $1"
exit 1
}
# Ensure that the PROJECT is specified so the image can be indexed
test -n "$PROJECT" || raise_error "PROJECT must be provided."
test -n "$HASH" || raise_error "Context HASH must be provided."
test -n "$IMAGE_NAME" || raise_error "IMAGE_NAME must be provided."
# Create artifact folder
mkdir -p /home/worker/workspace/artifacts
# Construct a CONTEXT_FILE
CONTEXT_FILE=/home/worker/workspace/context.tar
# Run ./mach taskcluster-build-image with --context-only to build context
run-task \
--chown-recursive "/home/worker/workspace" \
--vcs-checkout "/home/worker/checkouts/gecko" \
-- \
/home/worker/checkouts/gecko/mach taskcluster-build-image \
--context-only "$CONTEXT_FILE" \
"$IMAGE_NAME"
test -f "$CONTEXT_FILE" || raise_error "Context file wasn't created"
# Post context tar-ball to docker daemon
# This interacts directly with the docker remote API, see:
# https://docs.docker.com/engine/reference/api/docker_remote_api_v1.18/
curl -s \
-X POST \
--header 'Content-Type: application/tar' \
--data-binary "@$CONTEXT_FILE" \
--unix-socket /var/run/docker.sock "http:/build?t=$IMAGE_NAME:$HASH" \
| tee /tmp/docker-build.log \
| jq -r '.status + .progress, .stream[:-1], .error | select(. != null)'
# Exit non-zero if there is error entries in the log
if cat /tmp/docker-build.log | jq -se 'add | .error' > /dev/null; then
raise_error "Image build failed: `cat /tmp/docker-build.log | jq -rse 'add | .error'`";
fi
# Get image from docker daemon
# This interacts directly with the docker remote API, see:
# https://docs.docker.com/engine/reference/api/docker_remote_api_v1.18/
curl -s \
-X GET \
--unix-socket /var/run/docker.sock "http:/images/$IMAGE_NAME:$HASH/get" \
| zstd -3 -c -o /home/worker/workspace/artifacts/image.tar.zst
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