gecko-dev/build/mozconfig.cache

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# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
# Setup for build cache
# builds where buildprops didn't have the data (eg: taskcluster) and without sccache disabled:
if test -z "$bucket" -a -z "$SCCACHE_DISABLE" -a -z "$MOZ_PGO"; then
# prevent rerun if az is set, or wget is not available
if test -z "$availability_zone" -a -x "$(command -v wget)"; then
if test -n "${TASKCLUSTER_WORKER_GROUP}"; then
# TASKCLUSTER_WORKER_GROUP is just the region now, so
# stick an extra character on to make the already-convoluted logic
# here simpler.
availability_zone="${TASKCLUSTER_WORKER_GROUP}x"
elif [ -n "${SCCACHE_GCS_KEY_PATH}" ]; then
# gcp availability_zone is of the form <region>-<letter> where region is e.g. us-west2, and az is us-west2-a
gcp_zone=$(wget -T 1 -t 1 -q -O - http://169.254.169.254/computeMetadata/v1beta1/instance/zone || true)
availability_zone=${gcp_zone##*/}
else
# timeout after 1 second, and don't retry (failure indicates instance is not in ec2 or network issue)
# ec2 availability_zone is of the form <region><letter> where region is e.g. us-west-2, and az is us-west-2a
availability_zone=$(wget -T 1 -t 1 -q -O - http://169.254.169.254/latest/meta-data/placement/availability-zone || true)
fi
if test -z "$availability_zone" -o "$availability_zone" = "not-ec2"; then
availability_zone=not-ec2
elif [ -n "${SCCACHE_GCS_KEY_PATH}" ]; then
# gcp region is az with last two letters trimmed
region=${availability_zone::${#availability_zone}-2}
case "${GECKO_HEAD_REPOSITORY}" in
*hg.mozilla.org/try*)
bucket=taskcluster-level-1-sccache-${region}
;;
*hg.mozilla.org/integration/autoland*|*hg.mozilla.org/integration/mozilla-inbound*)
bucket=taskcluster-level-3-sccache-${region}
;;
esac
else
# ec2 region is az with last letter trimmed
region=${availability_zone%?}
# set S3 bucket according to tree (level)
case "${GECKO_HEAD_REPOSITORY}" in
*hg.mozilla.org/try*)
bucket=taskcluster-level-1-sccache-${region}
;;
*hg.mozilla.org/integration/autoland*|*hg.mozilla.org/integration/mozilla-inbound*)
bucket=taskcluster-level-3-sccache-${region}
;;
esac
fi
fi
fi
if test -n "$bucket"; then
if [ -n "${SCCACHE_GCS_KEY_PATH}" ]; then
mk_add_options "export SCCACHE_GCS_BUCKET=$bucket"
else
mk_add_options "export SCCACHE_BUCKET=$bucket"
# instruct sccache to fetch the credentials from the Auth service's awsS3Credentials endpoint, via the Taskcluster proxy.
mk_add_options "export AWS_IAM_CREDENTIALS_URL=http://taskcluster/auth/v1/aws/s3/read-write/${bucket}/?format=iam-role-compat"
fi
export CCACHE="$MOZ_FETCHES_DIR/sccache/sccache"
export SCCACHE_VERBOSE_STATS=1
mk_add_options MOZBUILD_MANAGE_SCCACHE_DAEMON=${MOZ_FETCHES_DIR}/sccache/sccache
fi