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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
# Setup for build cache
# Thunderbird builds will set prior to including this file
aws_prefix=${aws_prefix:-taskcluster}
gcp_prefix=${gcp_prefix:-sccache}
if test -n "$SCCACHE_DISABLE" -a -n "$USE_SCCACHE"; then
echo "SetupError: SCCACHE_DISABLE and USE_SCCACHE should not be set at the same time" >&2
exit 1
fi
# builds where buildprops didn't have the data (eg: taskcluster) and without sccache disabled:
if test -z "$bucket" -a -z "$SCCACHE_DISABLE"; 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 "$TASKCLUSTER_WORKER_LOCATION" -a -x "$(command -v jq)"; then
cloud=$(echo $TASKCLUSTER_WORKER_LOCATION | jq .cloud | tr -d \")
case $cloud in
aws|google)
availability_zone=$(echo $TASKCLUSTER_WORKER_LOCATION | jq .availabilityZone | tr -d \")
region=$(echo $TASKCLUSTER_WORKER_LOCATION | jq .region | tr -d \")
;;
esac
fi
if test -z "$availability_zone" -o -z "$region"; then
if test -n "${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=$(wget -T 1 -t 1 -q -O - http://169.254.169.254/latest/meta-data/placement/availability-zone || true)
fi
fi
if test -z "$availability_zone" -o "$availability_zone" = "not-ec2"; then
availability_zone=not-ec2
elif test -n "$cloud"; then
case $cloud in
google)
bucket=${gcp_prefix}-l${MOZ_SCM_LEVEL}-${region}
;;
aws)
bucket=${aws_prefix}-level-${MOZ_SCM_LEVEL}-sccache-${region}
;;
esac
elif [ -n "${SCCACHE_GCS_KEY_PATH}" ]; then
# gcp region is az with last two letters trimmed
if test -z "$region"; then
region=${availability_zone::${#availability_zone}-2}
fi
bucket=${aws_prefix}-level-${MOZ_SCM_LEVEL}-sccache-${region}
else
# ec2 region is az with last letter trimmed
if test -z "$region"; then
region=${availability_zone%?}
fi
bucket=${aws_prefix}-level-${MOZ_SCM_LEVEL}-sccache-${region}
fi
fi
fi
if test -n "$bucket"; then
if test "$cloud" = "google"; then
mk_add_options "export SCCACHE_GCS_BUCKET=$bucket"
mk_add_options "export SCCACHE_GCS_RW_MODE=READ_WRITE"
mk_add_options "export SCCACHE_GCS_CREDENTIALS_URL=http://taskcluster/auth/v1/gcp/credentials/$SCCACHE_GCS_PROJECT/${bucket}@$SCCACHE_GCS_PROJECT.iam.gserviceaccount.com"
elif [ -n "${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/${bucket}/?format=iam-role-compat"
fi
export CCACHE="sccache"
export SCCACHE_VERBOSE_STATS=1
mk_add_options "export SCCACHE_MAX_FRAME_LENGTH=50000000"
mk_add_options MOZBUILD_MANAGE_SCCACHE_DAEMON=${MOZ_FETCHES_DIR}/sccache/sccache
elif test -n "$USE_SCCACHE"; then
echo "SetupError: sccache is enabled but there is no shared storage set up for it?" >&2
exit 1
fi