-
Notifications
You must be signed in to change notification settings - Fork 818
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
WIP: add scripts for disaster recovery
This is a rough cut of some tooling for basic backups from prod to a backup. TODO: replace $cip_tag with something actually valid from the real world
- Loading branch information
Linus Arver
committed
Sep 26, 2019
1 parent
1dcbe88
commit 7d82fa7
Showing
3 changed files
with
172 additions
and
0 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,57 @@ | ||
#!/usr/bin/env bash | ||
# | ||
# Copyright 2019 The Kubernetes Authors. | ||
# | ||
# Licensed under the Apache License, Version 2.0 (the "License"); | ||
# you may not use this file except in compliance with the License. | ||
# You may obtain a copy of the License at | ||
# | ||
# http://www.apache.org/licenses/LICENSE-2.0 | ||
# | ||
# Unless required by applicable law or agreed to in writing, software | ||
# distributed under the License is distributed on an "AS IS" BASIS, | ||
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
# See the License for the specific language governing permissions and | ||
# limitations under the License. | ||
|
||
# USAGE NOTES | ||
# | ||
# Backs up prod registries. This is a thin orchestrator as all the heavy lifting | ||
# is done by copy.sh and record_consistency.sh. | ||
|
||
set -o errexit | ||
set -o nounset | ||
set -o pipefail | ||
|
||
if (( $# != 1 )); then | ||
"usage: ./record_consistency.sh <svc_acct_key_path>" | ||
exit 1 | ||
fi | ||
|
||
prod_repos=( | ||
asia.gcr.io/k8s-artifacts-prod | ||
eu.gcr.io/k8s-artifacts-prod | ||
us.gcr.io/k8s-artifacts-prod | ||
) | ||
sa_key_path="${1}" | ||
|
||
SCRIPT_ROOT="$(dirname "$(readlink -f "$0")")" | ||
cd "${SCRIPT_ROOT}" | ||
|
||
# Activate creds. | ||
gcloud auth activate-service-account --key-file "${sa_key_path}" | ||
|
||
# Copy each region to its backup. | ||
for prod_repo in "${prod_repos[@]}"; do | ||
./copy.sh "${prod_repo}" "${prod-repo}-backup" "${sa_key_path}" | ||
done | ||
|
||
# Write snapshots for all prod repos and their backups. | ||
for prod_repo in "${prod_repos[@]}"; do | ||
./record_consistency "${prod_repo}" "${prod-repo}-backup" | ||
done | ||
|
||
# Save snapshots to backup. | ||
tarball="snapshots.tar.xz" | ||
tar cvJf "${tarball}" snapshot* | ||
gsutil cp "${tarball}" "gs://${prod-repo}-backup" |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,49 @@ | ||
#!/usr/bin/env bash | ||
# | ||
# Copyright 2019 The Kubernetes Authors. | ||
# | ||
# Licensed under the Apache License, Version 2.0 (the "License"); | ||
# you may not use this file except in compliance with the License. | ||
# You may obtain a copy of the License at | ||
# | ||
# http://www.apache.org/licenses/LICENSE-2.0 | ||
# | ||
# Unless required by applicable law or agreed to in writing, software | ||
# distributed under the License is distributed on an "AS IS" BASIS, | ||
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
# See the License for the specific language governing permissions and | ||
# limitations under the License. | ||
|
||
# USAGE NOTES | ||
# | ||
# This script backs up images in <SOUCE-GCR-REPO> with the "gcrane" binary. | ||
# | ||
# It is expected that this script will be called from an outer loop, looping | ||
# through all GCRs that need to be backed up (e.g., once for each prod registry | ||
# in each region). | ||
|
||
set -o errexit | ||
set -o nounset | ||
set -o pipefail | ||
set -o xtrace | ||
|
||
# Check arguments. | ||
if (( $# != 3 )); then | ||
"usage: ./record.sh <SOURCE-GCR-REPO> <BACKUP-GCR-REPO> <svc_acct_key_path>" | ||
exit 1 | ||
fi | ||
|
||
# Configure variables. | ||
# We use a timestamp of the form YYYY/MM/DD because this makes the backup | ||
# folders more easily traversable from a human perspective. | ||
timestamp="$(date -u +"%Y/%m/%d")" | ||
source_gcr_repo="${1}" # "us.gcr.io/k8s-artifacts-prod" | ||
backup_gcr_repo="${2}" # "us.gcr.io/k8s-artifacts-prod-backup" | ||
sa_key_path="${3}" | ||
|
||
# Perform backup by copying all images recursively over. | ||
docker run \ | ||
-v "${sa_key_path}":/auth.json \ | ||
--env GOOGLE_APPLICATION_CREDENTIALS=/auth.json \ | ||
gcr.io/go-containerregistry/gcrane \ | ||
cp -r "${source_gcr_repo}" "${backup_gcr_repo}/${timestamp}" |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,66 @@ | ||
#!/usr/bin/env bash | ||
# | ||
# Copyright 2019 The Kubernetes Authors. | ||
# | ||
# Licensed under the Apache License, Version 2.0 (the "License"); | ||
# you may not use this file except in compliance with the License. | ||
# You may obtain a copy of the License at | ||
# | ||
# http://www.apache.org/licenses/LICENSE-2.0 | ||
# | ||
# Unless required by applicable law or agreed to in writing, software | ||
# distributed under the License is distributed on an "AS IS" BASIS, | ||
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
# See the License for the specific language governing permissions and | ||
# limitations under the License. | ||
|
||
# USAGE NOTES | ||
# | ||
# This script performs a consistency check between two GCRs and saves the | ||
# results to files locally. | ||
|
||
set -o errexit | ||
set -o nounset | ||
set -o pipefail | ||
|
||
if (( $# != 2 )); then | ||
"usage: ./record_consistency.sh <GCR-REPO-1> <GCR-REPO-2>" | ||
exit 1 | ||
fi | ||
|
||
get_snapshot_from_gcr() | ||
{ | ||
local repo_src | ||
|
||
repo_src="${1}" | ||
|
||
docker run \ | ||
"${cip}" \ | ||
"cip -snapshot=${repo_src} -minimal-snapshot -output-format=CSV -no-service-account" | ||
} | ||
|
||
#cip_tag="???" | ||
#cip_image="us.gcr.io/k8s-artifacts-prod/artifact-promoter/cip" | ||
cip_tag="latest" | ||
cip_image="gcr.io/k8s-staging-artifact-promoter/cip" | ||
cip="${cip_image}:${cip_tag}" | ||
|
||
gcr_repo_1="$1" | ||
gcr_repo_2="$2" | ||
|
||
snapshot_from_gcr_1="snapshot.${gcr_repo_1//\//__}.csv" | ||
snapshot_from_gcr_2="snapshot.${gcr_repo_2//\//__}.csv" | ||
|
||
get_snapshot_from_gcr "${gcr_repo_1}" \ | ||
> "${snapshot_from_gcr_1}" | ||
get_snapshot_from_gcr "${gcr_repo_2}" \ | ||
> "${snapshot_from_gcr_2}" | ||
|
||
# Now compare the two. | ||
difference="$(diff -u "${snapshot_from_gcr_1}" "${snapshot_from_gcr_2}" || true)" | ||
if [[ -n "${difference}" ]]; then | ||
echo "ERROR: images differ between ${gcr_repo_1} and ${gcr_repo_2}" | ||
echo "${difference}" | ||
exit 1 | ||
fi | ||
echo "OK (no differences detected between ${gcr_repo_1} and ${gcr_repo_2})" |