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52 lines
1.9 KiB
Bash
Executable File
52 lines
1.9 KiB
Bash
Executable File
#!/bin/sh
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if [ -z "$ZULIP_SECRETS_CONF" ]; then
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ZULIP_SECRETS_CONF=/etc/zulip/zulip-secrets.conf
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fi
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export PGHOST=/var/run/postgresql/
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WALG_DELTA_MAX_STEPS=$(crudini --get /etc/zulip/zulip.conf postgresql backups_incremental 2>/dev/null)
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export WALG_DELTA_MAX_STEPS
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WALG_COMPRESSION_METHOD=$(crudini --get /etc/zulip/zulip.conf postgresql backups_compression_method 2>/dev/null)
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export WALG_COMPRESSION_METHOD
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s3_backups_bucket=$(crudini --get "$ZULIP_SECRETS_CONF" secrets s3_backups_bucket 2>/dev/null)
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if [ "$s3_backups_bucket" != "" ] || [ -n "$WALG_S3_PREFIX" ]; then
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AWS_REGION=$(crudini --get "$ZULIP_SECRETS_CONF" secrets s3_region 2>/dev/null)
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if [ "$AWS_REGION" = "" ]; then
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# Fall back to the current region, if possible
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AZ=$(ec2metadata --availability-zone || true)
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if [ -n "$AZ" ] && [ "$AZ" != "unavailable" ]; then
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AWS_REGION=$(echo "$AZ" | sed 's/.$//')
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fi
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fi
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export AWS_REGION
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AWS_ACCESS_KEY_ID=$(crudini --get "$ZULIP_SECRETS_CONF" secrets s3_backups_key 2>/dev/null)
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export AWS_ACCESS_KEY_ID
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AWS_SECRET_ACCESS_KEY=$(crudini --get "$ZULIP_SECRETS_CONF" secrets s3_backups_secret_key 2>/dev/null)
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export AWS_SECRET_ACCESS_KEY
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: "${WALG_S3_PREFIX:=s3://$s3_backups_bucket}"
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export WALG_S3_PREFIX
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if storage_class=$(crudini --get /etc/zulip/zulip.conf postgresql backups_storage_class 2>/dev/null); then
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export WALG_S3_STORAGE_CLASS="$storage_class"
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fi
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else
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WALG_FILE_PREFIX=$(crudini --get /etc/zulip/zulip.conf postgresql backups_directory 2>/dev/null)
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if [ "$WALG_FILE_PREFIX" != "" ]; then
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export WALG_FILE_PREFIX
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if [ "$WALG_DELTA_MAX_STEPS" = "" ]; then
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# Default to only taking a full backup every week
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export WALG_DELTA_MAX_STEPS=6
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fi
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else
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echo "Could not determine where to back up data to!"
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exit 1
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fi
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fi
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exec /usr/local/bin/wal-g "$@"
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