ftpmirror

#!/bin/bash

# Mirror local folder to remote folder

# Looks for ./ftpmirror.json in the current local pwd
# by default, or you can define another file like so:
# ftpmirror ~/Documents/Project/config.json


CONFIG_JSON=${1:-./ftpmirror.json}

declare -A CONFIG=(
	[PROTOCOL]=""
	[PORT]=""
	[URL]=""
	[LOCAL_DIR]=""
	[REMOTE_DIR]=""
	[USER]=""
	[PASS]=""
	[DELAY]=""
	[MIRROR_OPTIONS]="--continue --reverse --delete --verbose=3"
	[INOTIFYWAIT_OPTIONS]="--exclude (secret)|(.(swp|swx)$)"
	)


CHECK_FOR_CONFIG() {

	if [[ ! -e $CONFIG_JSON ]]; then
		echo "Please specify a JSON configuration file (default: ftpmirror.json)"
		echo "Here is an example of what it should look like:"
		cat <<JSON
{
    "PROTOCOL":"sftp",
    "PORT":"2222",
    "URL":"sftp.domain.com",
    "LOCAL_DIR":"./project-directory/directory/",
    "REMOTE_DIR":"/remote/path/directory/",
    "USER":"username",
    "PASS":"password",
    "DELAY":10,
    "MIRROR_OPTIONS":"--continue --reverse --delete --verbose=3",
    "INOTIFYWAIT_OPTIONS":"--exclude (secret)|(.(swp|swx)$)"
}
JSON
	exit 1
	fi
}

CHECK_FOR_CONFIG


DEFINE_CONFIG_VARS() {
	for i in "${!CONFIG[@]}"; do
		VALUE=$(jq --raw-output .$i $CONFIG_JSON)
		CONFIG[$i]=$VALUE
		if [[ -z ${CONFIG[$i]} ]]; then
			echo "Error: $i is not defined in config file"
			exit 1
		fi
	done
}
DEFINE_CONFIG_VARS


MIRROR_LOCAL_TO_REMOTE() {
	lftp ${CONFIG[PROTOCOL]}://${CONFIG[USER]}:${CONFIG[PASS]}@${CONFIG[URL]}:${CONFIG[PORT]}<<-MIRROR
		cd ${CONFIG[REMOTE_DIR]}
		!echo ""
		!echo "$(date "+%d/%m/%Y-%T")"
		!echo "Remote Directory Before Mirror:"
		ls
		!echo ""
		mirror --reverse ${CONFIG[MIRROR_OPTIONS]} \
		${CONFIG[LOCAL_DIR]} \
		${CONFIG[REMOTE_DIR]}
		!echo ""
		!echo "$(date "+%d/%m/%Y-%T")"
		!echo "Remote Directory After Mirror:"
		ls
		!echo ""
		exit
MIRROR
	if [ ! $? -eq 0 ]; then
		echo "$(date "+%d/%m/%Y-%T") Cant mirror files. Make sure the credentials and server information are correct"
		exit 1
	fi
}



DELAY_TIMER() {
	SECS=${1:-15}
	echo ""
	while [[ $SECS -gt 0 ]]; do
		echo -ne "Waiting... $SECS\033[0K\r"
		sleep 1
		: $((SECS--))
	done
	echo ""
}



MIRROR_LOCAL_TO_REMOTE

while inotifywait ${CONFIG[INOTIFYWAIT_OPTIONS]} \
	--recursive \
	--event modify \
	--event attrib \
	--event close_write \
	--event moved_to \
	--event moved_from \
	--event move \
	--event create \
	--event delete \
	${CONFIG[LOCAL_DIR]}; do
		echo ""
		MIRROR_LOCAL_TO_REMOTE
		echo ""
		DELAY_TIMER ${CONFIG[DELAY]}
		echo ""
done