0k-charms/nextcloud/hooks/log_rotate-relation-joined

#!/bin/bash

## Should be executable N time in a row with same result.

. lib/common

set -e

nextcloud_uid=$(docker_get_uid "$SERVICE_NAME" www-data) || {
    echo "ERROR: failed to get uid for www-data"
    exit 1
}

LOGS=/var/log/nextcloud
mkdir -p "$SERVICE_DATASTORE/$LOGS"
chown -R "$nextcloud_uid" "$SERVICE_DATASTORE/$LOGS"

## check old location for log files
OLDLOG="$SERVICE_DATASTORE/var/lib/nextcloud/data/nextcloud.log"
if [ -s "$OLDLOG" ]; then
    ## check we don't have a log file already
    if [ -s "$SERVICE_DATASTORE/$LOGS/nextcloud.log" ]; then
        err "Old log file found at $OLDLOG" \
            "but new log file already exists at $SERVICE_DATASTORE/$LOGS/nextcloud.log"
        exit 1
    fi
    info "Migrating old log file" \
         "from $OLDLOG" \
         "to $SERVICE_DATASTORE/$LOGS/nextcloud.log"
    mv -v "$OLDLOG" "$SERVICE_DATASTORE/$LOGS/nextcloud.log" || {
        err "Failed to move old log file"
        exit 1
    }
fi


rotated_count=$(relation-get rotated-count 2>/dev/null) || true
rotated_count=${rotated_count:-52}


## No postrotate script as nextcloud is a php script that gets
## reloaded for each client requests

## XXXvlab: a lot of this intelligence should be moved away into ``logrotate`` charm
DST="$CONFIGSTORE/$TARGET_SERVICE_NAME/etc/logrotate.d/$SERVICE_NAME"
file_put "$DST" <<EOF
/var/log/docker/$SERVICE_NAME/nextcloud.log
 {
    weekly
    missingok
    dateext
    dateyesterday
    dateformat _%Y-%m-%d
    extension .log
    rotate $rotated_count
    compress
    delaycompress
    notifempty
    create 640
    sharedscripts
}
EOF


nextcloud:config:simple:add logfile "$LOGS/nextcloud.log"

config-add "\
services:
  $MASTER_TARGET_SERVICE_NAME:
    volumes:
      - $DST:/etc/logrotate.d/docker-${SERVICE_NAME}:ro
      - $SERVICE_DATASTORE$LOGS:/var/log/docker/$SERVICE_NAME:rw
  $MASTER_BASE_SERVICE_NAME:
    volumes:
      - $SERVICE_DATASTORE$LOGS:$LOGS:rw
"