trustchain-oc1-orchestral/authentik
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lifecycle: improve backup restore by dropping database before

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Signed-off-by: Jens Langhammer <jens.langhammer@beryju.org>
This commit is contained in:
Jens Langhammer 2021-11-20 00:32:24 +01:00
parent 0ee9b07172
commit 61621e7d60
3 changed files with 39 additions and 5 deletions
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1
authentik/root/settings.py
View file

@ -536,6 +536,7 @@ _LOGGING_HANDLER_MAP = {
"asyncio": "WARNING",
"aioredis": "WARNING",
"s3transfer": "WARNING",
"botocore": "WARNING",
}
for handler_name, level in _LOGGING_HANDLER_MAP.items():
# pyright: reportGeneralTypeIssues=false

35
lifecycle/ak
View file

@ -1,10 +1,15 @@
#!/bin/bash -e
python -m lifecycle.wait_for_db
printf '{"event": "Bootstrap completed", "level": "info", "logger": "bootstrap", "command": "%s"}\n' "$@" > /dev/stderr
function log {
printf '{"event": "%s", "level": "info", "logger": "bootstrap"}\n' "$@" > /dev/stderr
}
log "Bootstrap completed"
function check_if_root {
if [[ $EUID -ne 0 ]]; then
printf '{"event": "Not running as root, disabling permission fixes", "level": "info", "logger": "bootstrap", "command": "%s"}\n' "$@" > /dev/stderr
log "Not running as root, disabling permission fixes"
$1
return
fi
@ -26,6 +31,30 @@ function check_if_root {
chpst -u authentik:$GROUP env HOME=/authentik $1
}
function prefixwith {
local prefix="$1"
shift
"$@" > >(sed "s/^/$prefix: /") 2> >(sed "s/^/$prefix (err): /" >&2)
}
function restore {
PG_HOST=$(python -m authentik.lib.config postgresql.host 2> /dev/null)
PG_NAME=$(python -m authentik.lib.config postgresql.name 2> /dev/null)
PG_USER=$(python -m authentik.lib.config postgresql.user 2> /dev/null)
PG_PORT=$(python -m authentik.lib.config postgresql.port 2> /dev/null)
export PGPASSWORD=$(python -m authentik.lib.config postgresql.password 2> /dev/null)
log "Ensuring no one can connect to the database"
prefixwith "psql" psql -h"${PG_HOST}" -U"${PG_USER}" -c"UPDATE pg_database SET datallowconn = 'false' WHERE datname = '${PG_NAME}';" "postgres"
prefixwith "psql" psql -h"${PG_HOST}" -U"${PG_USER}" -c"SELECT pg_terminate_backend(pid) FROM pg_stat_activity WHERE datname = '${PG_NAME}';" "postgres"
log "deleting and re-creating database"
prefixwith "psql" dropdb -h"${PG_HOST}" -U"${PG_USER}" "${PG_NAME}" || trueacku
prefixwith "psql" createdb -h"${PG_HOST}" -U"${PG_USER}" "${PG_NAME}"
log "running initial migrations"
prefixwith "migrate" python -m lifecycle.migrate 2> /dev/null
log "restoring database"
prefixwith "restore" python -m manage dbrestore -i ${@:2}
}
MODE_FILE="/tmp/authentik-mode"
if [[ "$1" == "server" ]]; then
@ -40,7 +69,7 @@ elif [[ "$1" == "worker" ]]; then
elif [[ "$1" == "backup" ]]; then
python -m manage dbbackup --clean
elif [[ "$1" == "restore" ]]; then
python -m manage dbrestore ${@:2}
restore $@
elif [[ "$1" == "bash" ]]; then
/bin/bash
elif [[ "$1" == "test" ]]; then

8
website/docs/maintenance/backups/index.md
View file

@ -29,6 +29,10 @@ Currently, it is only supported to restore backups into the same version they ha
Instead, install the version the backup was taken with, restore the backup and then upgrade.
:::
:::info
The restore command expects to have superuser-permissions on the PostgreSQL instance. To get a clean restore, it deletes the current database, re-creates it and then imports the data.
:::
Run this command in your authentik installation directory.
To see all available backups, run
@ -42,9 +46,9 @@ kubectl exec -it deployment/authentik-worker -c authentik -- ak listbackups
Then, to restore, run
```
docker-compose run --rm worker restore -i default-2020-10-03-115557.psql
docker-compose run --rm worker restore default-2020-10-03-115557.psql
# Or for kubernetes
kubectl exec -it deployment/authentik-worker -c authentik -- ak restore -i default-2020-10-03-115557.psql
kubectl exec -it deployment/authentik-worker -c authentik -- ak restore default-2020-10-03-115557.psql
```
After you've restored the backup, it is recommended to restart all services with `docker-compose restart` or `kubectl rollout restart deployment --all`.