199 lines
6.3 KiB
Bash
199 lines
6.3 KiB
Bash
#!/usr/bin/env bash
|
|
|
|
### Variables
|
|
|
|
# log files
|
|
LOGFILE="./jvb.log"
|
|
ROTATED_LOGFILE="./jvb.log.1"
|
|
# SQLite database file
|
|
DB="./jitsi-stats.db"
|
|
|
|
###
|
|
|
|
# SQLite queries
|
|
db_get_state='SELECT filename, filetime, position, inode FROM state WHERE id = 1;'
|
|
db_set_state_template="UPDATE state SET time=datetime('now'), filename='%s', filetime='%s', position='%s', inode='%s' WHERE id = 1;"
|
|
db_insert_template="INSERT INTO conferences (conference_name, conference_id, start, end) VALUES ('%s', '%s', '%s', '%s');"
|
|
db_create="
|
|
DROP TABLE conferences;
|
|
CREATE TABLE conferences (
|
|
id INTEGER PRIMARY_KEY,
|
|
conference_name TEXT,
|
|
conference_id TEXT,
|
|
start TEXT,
|
|
end TEXT
|
|
);
|
|
DROP TABLE state;
|
|
CREATE TABLE state (
|
|
id INTEGER PRIMARY_KEY,
|
|
time TEXT,
|
|
filename TEXT,
|
|
filetime INTEGER,
|
|
position INTEGER CHECK(typeof(position)='integer'),
|
|
inode INTEGER
|
|
);
|
|
INSERT OR REPLACE INTO state (id, time, filename, filetime, position, inode) VALUES (1, '1970-01-01 00:00:00.000', '', 0, 0, 0);"
|
|
db_flush="
|
|
DELETE FROM conferences;
|
|
DELETE FROM state;
|
|
INSERT OR REPLACE INTO state (id, time, filename, filetime, position, inode) VALUES (1, '1970-01-01 00:00:00.000', '', 0, 0, 0);"
|
|
|
|
###
|
|
|
|
# DB functions
|
|
|
|
# Get the last processed state from the database
|
|
get_state() {
|
|
sqlite3 "$DB" "$db_get_state"
|
|
}
|
|
|
|
# Update the state database
|
|
set_state() {
|
|
local filename=$1
|
|
local filetime=$2
|
|
local position=${3:-0}
|
|
local inode=$4
|
|
db_set_state=$(printf "$db_set_state_template" "$filename" "$filetime" "$position" "$inode")
|
|
sqlite3 "$DB" "$db_set_state"
|
|
}
|
|
|
|
###
|
|
|
|
# Main parsing funstion
|
|
jvb_log_parse() {
|
|
|
|
local file=$1
|
|
local start_pos=$2
|
|
local new_last_pos="$start_pos"
|
|
|
|
# Local assoc array for conference events tracking
|
|
declare -A start_times
|
|
|
|
# We open the file and start reading from $start_pos bytes
|
|
exec 3<"$file"
|
|
while IFS= read -r line; do
|
|
# save new position (previous plus bytes in current line plus 1 for the new line)
|
|
new_last_pos=$((new_last_pos + ${#line} + 1))
|
|
|
|
# locate conference starting event
|
|
if [[ "$line" =~ ([0-9-]+\ [0-9:.]+)\ [A-Z]+:.*\ Videobridge\.createConference#[0-9]+:\ create_conf,\ id=([a-zA-Z0-9]+) ]]; then
|
|
timestamp="${BASH_REMATCH[1]}"
|
|
conferenceId="${BASH_REMATCH[2]}"
|
|
start_times["$conferenceId"]="$timestamp"
|
|
|
|
# locate the corresponding conference ending event
|
|
elif [[ "$line" =~ ([0-9-]+\ [0-9:.]+)\ [A-Z]+:.*\[confId=([a-zA-Z0-9]+)\ .*conf_name=([^ ]+)@.*\]\ Conference\.expire ]]; then
|
|
end_time="${BASH_REMATCH[1]}"
|
|
conferenceId="${BASH_REMATCH[2]}"
|
|
conferenceName="${BASH_REMATCH[3]}"
|
|
start_time="${start_times["$conferenceId"]}"
|
|
|
|
if [[ -n "$start_time" ]]; then
|
|
db_insert=$(printf "$db_insert_template" "$conferenceName" "$conferenceId" "$start_time" "$end_time")
|
|
sqlite3 "$DB" "$db_insert"
|
|
unset start_times["$conferenceId"]
|
|
fi
|
|
fi
|
|
# We don't use pipe, but process substitution '<(dd...)' to avoid running while loop in subshell and lose the 'new_last_pos' value
|
|
done < <(dd bs=1 skip="$start_pos" <&3 2>/dev/null)
|
|
|
|
# Close the file descriptor and return the new position value
|
|
exec 3<&-
|
|
echo "$new_last_pos"
|
|
}
|
|
|
|
###
|
|
|
|
# commandline options
|
|
case "$1" in
|
|
|
|
--create-db|-d)
|
|
sqlite3 "$DB" "$db_create"
|
|
echo "Database created."
|
|
exit 0
|
|
;;
|
|
|
|
--flush|-f)
|
|
sqlite3 "$DB" "$db_flush"
|
|
echo "Tables flushed."
|
|
exit 0
|
|
;;
|
|
|
|
--check|-c)
|
|
|
|
# Retrieve last log file and position inside it
|
|
IFS='|' read -r last_file last_filetime last_pos last_inode <<< $(get_state)
|
|
|
|
# Initialize logfile vars
|
|
current_inode=$(stat -c '%i' "$LOGFILE")
|
|
current_filetime=$(stat -c '%Y' "$LOGFILE")
|
|
|
|
if [[ "$last_file" == '' || "$last_inode" == 0 ]]; then
|
|
echo "It looks like a fresh install. You can now run log parsing."
|
|
exit 0
|
|
fi
|
|
|
|
# report
|
|
echo "Last file: $last_file"
|
|
echo "Last filetime: $last_filetime"
|
|
echo "Last inode: $last_inode"
|
|
echo "Last processed position: $last_pos"
|
|
echo "Current filetime: $current_filetime"
|
|
echo "Current inode: $current_inode"
|
|
|
|
if [[ "$last_file" != "$LOGFILE" || "$last_inode" != "$current_inode" ]]; then
|
|
echo "Log file has rotated."
|
|
else
|
|
echo "Log file has not rotated."
|
|
fi
|
|
|
|
if [[ "$current_filetime" -ne "$last_filetime" ]]; then
|
|
echo "New lines have been added to the log."
|
|
else
|
|
echo "No new lines in the log."
|
|
fi
|
|
exit 0
|
|
;;
|
|
|
|
--parse|-p)
|
|
|
|
# Retrieve last log file and position inside it
|
|
IFS='|' read -r last_file last_filetime last_pos last_inode <<< $(get_state)
|
|
|
|
# Initialize logfile vars
|
|
last_pos=${last_pos:-0}
|
|
current_inode=$(stat -c '%i' "$LOGFILE")
|
|
current_filetime=$(stat -c '%Y' "$LOGFILE")
|
|
|
|
# Detect if the logfile was rotated (same inode, smaller size - copytruncate in logrotate)
|
|
# parse the rotated log file
|
|
current_size=$(stat -c '%s' "$LOGFILE")
|
|
if [[ "$last_inode" == "$current_inode" && "$current_size" -lt "$last_pos" && -f "$ROTATED_LOGFILE" ]]; then
|
|
echo "Logfile was rotated. Processing the rotated log file: $ROTATED_LOGFILE"
|
|
last_pos=$(jvb_log_parse "$ROTATED_LOGFILE" 0)
|
|
last_file="$ROTATED_LOGFILE"
|
|
last_inode=$(stat -c '%i' "$ROTATED_LOGFILE")
|
|
last_filetime=$(stat -c '%Y' "$ROTATED_LOGFILE")
|
|
set_state "$last_file" "$last_filetime" "$last_pos" "$last_inode"
|
|
fi
|
|
|
|
# parse the current log file
|
|
echo "Processing the current log file: $LOGFILE"
|
|
new_last_pos=$(jvb_log_parse "$LOGFILE" "$last_pos")
|
|
|
|
# DEBUG
|
|
echo "New last position after parsing: $new_last_pos"
|
|
|
|
# update the state in db
|
|
set_state "$LOGFILE" "$current_filetime" "$new_last_pos" "$current_inode"
|
|
|
|
echo "Data import finished."
|
|
exit 0
|
|
;;
|
|
|
|
*)
|
|
echo -e "Usage:\n\t$0 [OPTION]\nOptions:\n\t--create-db|-d - create the database\n\t--flush|-f - flush the tables\n\t--check|-c - check for new data\n\t--parse|-p - parse the logs"
|
|
exit 1
|
|
;;
|
|
esac
|