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#!/bin/bash
PROGNAME="$0"
NODE_CONFIG="/etc/sound_node.toml"
REMOTE_USER=user
REMOTE_SERVER=solarmon.ru
REMOTE_DIRECTORY=/var/recordings
set -e
echoerr() {
>&2 echo "error: $@"
}
echowarn() {
>&2 echo "warning: $@"
}
telegram_alert() {
if [ -z "$TG_TOKEN" ] || [ -z "$TG_CHAT_ID" ]; then return; fi
curl -X POST \
-F "chat_id=${TG_CHAT_ID}" \
-F "text=$1" \
"https://api.telegram.org/bot${TG_TOKEN}/sendMessage"
}
fatal() {
echoerr "$@"
telegram_alert "$PROGNAME: $@"
exit 1
}
get_config_var() {
local varname="$1"
cat "$NODE_CONFIG" | grep "^$varname = \"" | awk '{print $3}' | tr -d '"'
}
get_mp3_count() {
find "$LOCAL_DIR" -mindepth 1 -type f -name "*.mp3" -printf x | wc -c
}
[ -z "$TG_TOKEN" ] && echowarn "TG_TOKEN is not set"
[ -z "$TG_CHAT_ID" ] && echowarn "TG_CHAT_ID is not set"
NODE_NAME=$(get_config_var name)
LOCAL_DIR=$(get_config_var storage)
[ -z "$NODE_NAME" ] && fatal "failed to parse NODE_NAME"
[ -z "$LOCAL_DIR" ] && fatal "failed to parse LOCAL_DIR"
[ -d "$LOCAL_DIR" ] || fatal "$LOCAL_DIR is not a directory"
COUNT=$(get_mp3_count)
(( $COUNT < 1 )) && {
echo "seems there's nothing to sync"
exit
}
cd "$LOCAL_DIR" || fatal "failed to change to $LOCAL_DIR"
rsync -azPv -e "ssh -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no -o LogLevel=ERROR" \
*.mp3 \
${REMOTE_USER}@${REMOTE_SERVER}:"${REMOTE_DIRECTORY}/${NODE_NAME}/" \
--exclude temp.mp3
RC=$?
if [ $RC -eq 0 ]; then
find "$LOCAL_DIR" -name "*.mp3" -type f -mmin +1440 -delete || fatal "find failed to delete old files"
else
fatal "failed to rsync: code $RC"
fi
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