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Automatically determine image variant if not specified #241

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Merged
merged 1 commit into from
Oct 28, 2020
Merged

Automatically determine image variant if not specified #241

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20 changes: 14 additions & 6 deletions files/common/usr/bin/download-latest-image
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Original file line number Diff line number Diff line change
Expand Up @@ -22,7 +22,7 @@ function die() {

function usage() {
echo "$(basename "$0"): $*" >&2
echo "Usage: $(basename "$0") [-f] [-N] [-b branch] <variant>"
echo "Usage: $(basename "$0") [-f] [-N] [-b branch] [variant]"
exit 2
}

Expand All @@ -43,11 +43,19 @@ done
shift $((OPTIND - 1))

[[ $# -gt 1 ]] && usage "too many arguments specified"
[[ $# -eq 0 ]] && usage "too few arguments specified"

$opt_f && rm -f "latest" >/dev/null 2>&1
[[ -f "latest" ]] && die "file 'latest' already exists"

VARIANT="$1"
if [[ -z "$VARIANT" ]]; then
PLATFORM=$(cat "/var/lib/delphix-appliance/platform")
[[ -n "$PLATFORM" ]] || die "platform could not be determined"

VARIANT=$(cat "/usr/share/doc/delphix-entire-$PLATFORM/variant")
[[ -n "$VARIANT" ]] || die "variant could not be determined"
fi

#
# We don't want to delete the "latest" file if it already exists and the
# "-f" option isn't specified, so we need to be careful to register this
Expand All @@ -69,8 +77,8 @@ aws s3 cp \
"s3://snapshot-de-images/builds/jenkins-ops/devops-gate/master/appliance-build/$opt_b/$build/latest" \
. || die "failed to download file: 'latest'"

$opt_f && rm -f "$1.upgrade.tar" >/dev/null 2>&1
[[ -f "$1.upgrade.tar" ]] && die "image $1.upgrade.tar already exists"
$opt_f && rm -f "$VARIANT.upgrade.tar" >/dev/null 2>&1
[[ -f "$VARIANT.upgrade.tar" ]] && die "image $VARIANT.upgrade.tar already exists"

aws s3 cp "s3://snapshot-de-images/$(cat latest)/upgrade-artifacts/$1.upgrade.tar" . ||
die "failed to download file: '$1.upgrade.tar'"
aws s3 cp "s3://snapshot-de-images/$(cat latest)/upgrade-artifacts/$VARIANT.upgrade.tar" . ||
die "failed to download file: '$VARIANT.upgrade.tar'"