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optimize backup schedules: compress dumps, stagger to weekly, extend retention

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- dbaas: gzip MySQL/PostgreSQL dumps, stagger to 0:30, clean old uncompressed
- infra-maintenance: etcd backup daily→weekly Sunday 1am
- redis: backup hourly→weekly Sunday 3am, retention 7→28 days
- vault: raft backup daily→weekly Sunday 2am
This commit is contained in:
Viktor Barzin 2026-03-23 02:24:34 +02:00
parent 6e661fdfc5
commit e463281205
4 changed files with 13 additions and 11 deletions
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16
stacks/dbaas/modules/dbaas/main.tf
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@ -314,7 +314,7 @@ resource "kubernetes_cron_job_v1" "mysql-backup" {
spec {
concurrency_policy = "Replace"
failed_jobs_history_limit = 5
schedule = "0 0 * * *"
schedule = "30 0 * * *"
# schedule = "* * * * *"
starting_deadline_seconds = 10
successful_jobs_history_limit = 10
@ -341,11 +341,12 @@ resource "kubernetes_cron_job_v1" "mysql-backup" {
command = ["/bin/bash", "-c", <<-EOT
set -euxo pipefail
export now=$(date +"%Y_%m_%d_%H_%M")
mysqldump --all-databases -u root --host mysql.dbaas.svc.cluster.local > /backup/dump_$now.sql
mysqldump --all-databases -u root --host mysql.dbaas.svc.cluster.local | gzip -9 > /backup/dump_$now.sql.gz
# Rotate - delete last log file
# Rotate — 14 day retention
cd /backup
find . -name "dump_*.sql" -type f -mtime +14 -delete # 14 day retention of backups
find . -name "dump_*.sql.gz" -type f -mtime +14 -delete
find . -name "dump_*.sql" -type f -mtime +14 -delete # clean up old uncompressed
echo Done
EOT
]
@ -1077,11 +1078,12 @@ resource "kubernetes_cron_job_v1" "postgresql-backup" {
command = ["/bin/bash", "-c", <<-EOT
set -euxo pipefail
export now=$(date +"%Y_%m_%d_%H_%M")
PGPASSWORD=$PGPASSWORD pg_dumpall -h postgresql.dbaas -U postgres > /backup/dump_$now.sql
PGPASSWORD=$PGPASSWORD pg_dumpall -h postgresql.dbaas -U postgres | gzip -9 > /backup/dump_$now.sql.gz
# Rotate - delete last log file
# Rotate — 14 day retention
cd /backup
find . -name "dump_*.sql" -type f -mtime +14 -delete # 14 day retention of backups
find . -name "dump_*.sql.gz" -type f -mtime +14 -delete
find . -name "dump_*.sql" -type f -mtime +14 -delete # clean up old uncompressed
echo Done
EOT
]