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Automatically determine image variant if not specified #254

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Merged
merged 3 commits into from
Nov 10, 2020
Merged

Automatically determine image variant if not specified #254

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73d8fba
Add "-b" to allowing downloading non-master image
Jan 28, 2020
680b727
Add "-N" to allowing downloading nightly image
Jan 28, 2020
365b21b
Automatically determine image variant if not specified (#241)
Oct 28, 2020
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41 changes: 31 additions & 10 deletions files/common/usr/bin/download-latest-image
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Original file line number Diff line number Diff line change
@@ -1,6 +1,6 @@
#!/bin/bash
#
# Copyright 2019 Delphix
# Copyright 2019, 2020 Delphix
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
Expand All @@ -22,7 +22,7 @@ function die() {

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

Expand All @@ -31,33 +31,54 @@ function cleanup() {
}

opt_f=false
while getopts ':f' c; do
opt_b=master
opt_N=false
while getopts ':fb:N' c; do
case "$c" in
f) eval "opt_$c=true" ;;
f | N) eval "opt_$c=true" ;;
b) eval "opt_$c=$OPTARG" ;;
*) usage "illegal option -- $OPTARG" ;;
esac
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
# cleanup handler after checking to see if the "-f" option (done above).
#
trap cleanup EXIT

#
# The "-N" option allows the user to specify whether to download the
# image from the "nightly" build, or use the default "post-push" build.
#
if $opt_N; then
build=nightly
else
build=post-push
fi

aws s3 cp \
"s3://snapshot-de-images/builds/jenkins-ops/devops-gate/master/appliance-build/master/post-push/latest" \
"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'"