526 lines
20 KiB
Bash
526 lines
20 KiB
Bash
#!/usr/bin/env bash
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###
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# JItsi Log Observer
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#
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# Bash script for Jitsi Meet components (Videobridge, Jicofo, etc.) logs parsing
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###
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### Configuration file (overrides default configs)
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CONFIG_FILE="./jilo.conf"
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### Default configuration
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# default log files and processes
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DEFAULT_JVB_LOGFILE="/var/log/jitsi/jvb.log"
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DEFAULT_JVB_PROCESS="videobridge"
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DEFAULT_JICOFO_LOGFILE="/var/log/jitsi/jicofo.log"
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DEFAULT_JICOFO_PROCESS="jicofo"
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# Default database type (sqlite, mysql|mariadb)
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DEFAULT_DB_TYPE="sqlite"
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# Default SQLite database file
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DEFAULT_DB="./jilo.db"
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# Default MySQL/MariaDB configuration
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DEFAULT_MYSQL_HOST="localhost"
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DEFAULT_MYSQL_USER="jilo"
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DEFAULT_MYSQL_PASS="jilopass"
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DEFAULT_MYSQL_DB="jilo_db"
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# Load configurations from the config file if it exists
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if [[ -f "$CONFIG_FILE" ]]; then
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source "$CONFIG_FILE"
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fi
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# use default values if not overriden by config file
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JVB_LOGFILE=${JVB_LOGFILE:-$DEFAULT_JVB_LOGFILE}
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JVB_PROCESS=${JVB_PROCESS:-$DEFAULT_JVB_PROCESS}
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JICOFO_LOGFILE=${JICOFO_LOGFILE:-$DEFAULT_JICOFO_LOGFILE}
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JICOFO_PROCESS=${JICOFO_PROCESS:-$DEFAULT_JICOFO_PROCESS}
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DB=${DB:-$DEFAULT_DB}
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DB_TYPE=${DB_TYPE:-$DEFAULT_DB_TYPE}
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MYSQL_HOST=${MYSQL_HOST:-$DEFAULT_MYSQL_HOST}
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MYSQL_USER=${MYSQL_USER:-$DEFAULT_MYSQL_USER}
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MYSQL_PASS=${MYSQL_PASS:-$DEFAULT_MYSQL_PASS}
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MYSQL_DB=${MYSQL_DB:-$DEFAULT_MYSQL_DB}
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###
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# DB queries
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db_get_state_template="SELECT filename, filetime, filesize, position, inode FROM state WHERE jitsi_component = '%s';"
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db_set_state_template="UPDATE state SET time=datetime('now'), filename='%s', filetime='%s', filesize='%s', position='%s', inode='%s' WHERE jitsi_component = '%s';"
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db_insert_conference_template="INSERT INTO conferences (jitsi_component, conference_name, conference_id, start, end) VALUES ('%s', '%s', '%s', '%s', '%s');"
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db_insert_participant_template="INSERT INTO participants (conference_id, event_time, event_type, endpoint_id, stats_id, participant_ip) VALUES ('%s', '%s', '%s', '%s', '%s', '%s');"
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db_drop="
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DROP TABLE IF EXISTS conferences;
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DROP TABLE IF EXISTS participants;
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DROP TABLE IF EXISTS state;"
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db_create="CREATE TABLE conferences (
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id INTEGER PRIMARY_KEY,
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jitsi_component TEXT,
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conference_name TEXT,
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conference_id TEXT,
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start TEXT,
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end TEXT
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);
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CREATE TABLE participants (
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id INTEGER PRIMARY_KEY,
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conference_id INTEGER,
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event_time TEXT,
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event_type TEXT,
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endpoint_id TEXT,
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stats_id TEXT,
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participant_ip TEXT
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);
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CREATE TABLE state (
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id INTEGER PRIMARY_KEY,
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jitsi_component TEXT,
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time TEXT,
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filename TEXT,
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filetime INTEGER,
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filesize INTEGER,
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position INTEGER CHECK(typeof(position)='integer'),
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inode INTEGER
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);"
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db_init="
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INSERT OR REPLACE INTO state (id, jitsi_component, time, filename, filetime, filesize, position, inode) VALUES (1, 'JVB', '1970-01-01 00:00:00.000', '', 0, 0, 0, 0);
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INSERT OR REPLACE INTO state (id, jitsi_component, time, filename, filetime, filesize, position, inode) VALUES (2, 'JICOFO', '1970-01-01 00:00:00.000', '', 0, 0, 0, 0);"
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db_flush="
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DELETE FROM conferences;
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DELETE FROM participants;
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DELETE FROM state;"
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help="Usage:\n\t$0 [OPTION]\nOptions:\n\t--create-db|-d - create the database\n\t--flush|-f - flush the tables\n\t--check|-c - check for new data\n\t--parse|-p [-v] - parse the logs [verbosely]"
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###
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# First we check for requirements
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check_requirements() {
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# required programs, anything non-bash - edit as needed
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# deb packages - sqlite3, coreutils(stat,dd)
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local required_programs=("sqlite3" "stat" "dd")
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local requirements_missing=''
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for program in "${required_programs[@]}"; do
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if ! command -v "$program" &> /dev/null; then
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requirements_missing+="$program, "
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fi
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done
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if [[ "$requirements_missing" != '' ]]; then
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requirements_missing=${requirements_missing::-2}
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echo "Error: $requirements_missing - not found. Please install to proceed."
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fi
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}
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check_requirements
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###
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# DB functions for Sqlite3 and for MySQL/MariaDB
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# normalize DB schemas for Sqlite3 and MySQL/MariaDB in order to compare them when needed
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db_normalize_schema() {
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echo "$1" | tr -d '\n' | tr -s ' ' | tr ',' '\n' | sort
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}
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# execute a query and return the result
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db_query() {
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local query=$1
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if [[ "$DB_TYPE" == "sqlite" ]]; then
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sqlite3 "$DB" "$query"
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elif [[ "$DB_TYPE" == "mysql" || "$DB_TYPE" == "mariadb" ]]; then
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mysql -h "$MYSQL_HOST" -u "$MYSQL_USER" -p "$MYSQL_PASS" -D "$MYSQL_DB" -se "$query"
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else
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echo "Error: unknown database type $DB_TYPE."
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exit 1
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fi
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}
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# Get the last processed state from the database
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get_state() {
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db_get_state=$(printf "$db_get_state_template" "$1")
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db_query "$db_get_state"
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}
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# Update the state database
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set_state() {
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local filename=$1
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local filetime=$2
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local filesize=$3
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local position=${4:-0}
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local inode=$5
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local jitsi_component=$6
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db_set_state=$(printf "$db_set_state_template" "$filename" "$filetime" "$filesize" "$position" "$inode" "$jitsi_component")
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db_query "$db_set_state"
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}
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###
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# Main parsing funstion
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jitsi_log_parse() {
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local file=$1
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local start_pos=$2
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new_last_pos="$start_pos"
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# Local assoc array for conference events tracking
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declare -A start_times
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# Get size and position for progress tracking
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local total_size
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total_size=$(stat -c '%s' "$file")
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local processed_lines=0
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local processed_bytes=0
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# We open the file and start reading from $start_pos bytes
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exec 3<"$file"
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while IFS= read -r line; do
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# save new position (previous plus bytes in current line plus 1 for the new line)
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new_last_pos=$((new_last_pos + ${#line} + 1))
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# increment progress stats
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processed_lines=$((processed_lines + 1))
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processed_bytes=$((processed_bytes + ${#line} + 1))
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# show progress if in verbose mode
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if [[ "$verbose" == true ]]; then
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local percent=$((100 * processed_bytes / total_size))
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echo -ne "Processing: $percent% ($processed_lines lines, $processed_bytes bytes) \r"
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fi
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case $jitsi_component in
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JVB)
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# locate conference starting event
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if [[ "$line" =~ ([0-9-]+\ [0-9:.]+)\ [A-Z]+:.*\ Videobridge\.createConference#[0-9]+:\ create_conf,\ id=([a-zA-Z0-9]+) ]]; then
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timestamp="${BASH_REMATCH[1]}"
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conference_id="${BASH_REMATCH[2]}"
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start_times["$conference_id"]="$timestamp"
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# locate participant joining event
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elif [[ "$line" =~ ([0-9-]+\ [0-9:.]+)\ [A-Z]+:.*\[confId=${conference_id}\ .*epId=([a-zA-Z0-9-]+)\ stats_id=([a-zA-Z0-9-]+)\ .*Starting\ the\ Agent\ without\ remote\ candidates ]]; then
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event_time="${BASH_REMATCH[1]}"
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event_type='participant joining'
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participant_endpoint_id="${BASH_REMATCH[2]}"
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participant_stats_id="${BASH_REMATCH[3]}"
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if [[ -n "$conference_id" ]]; then
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db_insert=$(printf "$db_insert_participant_template" "$conference_id" "$event_time" "$event_type" "$participant_endpoint_id" "$participant_stats_id" "")
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db_query "$db_insert"
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fi
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# locate participant pair selection event
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elif [[ "$line" =~ ([0-9-]+\ [0-9:.]+)\ [A-Z]+:.*\[confId=${conference_id}\ .*epId=${participant_endpoint_id}\ stats_id=${participant_stats_id}\ .*Selected\ pair\ for\ stream\ .*([0-9.]+):10000/udp/srflx\ \-\>\ ([0-9.]+):[0-9]+/udp/prflx ]]; then
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event_time="${BASH_REMATCH[1]}"
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event_type='pair selected'
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participant_IP="${BASH_REMATCH[3]}"
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if [[ -n "$conference_id" ]]; then
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db_insert=$(printf "$db_insert_participant_template" "$conference_id" "$event_time" "$event_type" "$participant_endpoint_id" "$participant_stats_id" "$participant_IP")
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db_query "$db_insert"
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fi
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# locate participant leaving event
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elif [[ "$line" =~ ([0-9-]+\ [0-9:.]+)\ [A-Z]+:.*\[confId=${conference_id}\ .*epId=${participant_endpoint_id}\ stats_id=${participant_stats_id}\]\ Endpoint\.expire.*:\ Expired\. ]]; then
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event_time="${BASH_REMATCH[1]}"
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event_type='participant leaving'
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if [[ -n "$conference_id" ]]; then
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db_insert=$(printf "$db_insert_participant_template" "$conference_id" "$event_time" "$event_type" "$participant_endpoint_id" "$participant_stats_id" "$participant_IP")
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db_query "$db_insert"
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# the participant left, forget about him
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unset $event_time $event_type $participant_endpoint_id $participant_stats_id $participant_IP
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fi
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# locate the corresponding conference ending event
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elif [[ "$line" =~ ([0-9-]+\ [0-9:.]+)\ [A-Z]+:.*\[confId=([a-zA-Z0-9]+)\ .*conf_name=([^ ]+)@.*\]\ Conference\.expire ]]; then
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end_time="${BASH_REMATCH[1]}"
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conference_id="${BASH_REMATCH[2]}"
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conference_name="${BASH_REMATCH[3]}"
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start_time="${start_times["$conference_id"]}"
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if [[ -n "$start_time" ]]; then
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db_insert=$(printf "$db_insert_conference_template" "$jitsi_component" "$conference_name" "$conference_id" "$start_time" "$end_time")
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db_query "$db_insert"
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# the conference ended, forget about it
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unset "start_times[$conference_id]" $start_time $end_time $conference_id $conference_name
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fi
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fi
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;;
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JICOFO)
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# locate conference starting event
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if [[ "$line" =~ ([0-9-]+\ [0-9:.]+)\ [A-Z]+:.*\[room=([^ ]+)@.*\]\ JitsiMeetConferenceImpl\.joinTheRoom ]]; then
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timestamp="${BASH_REMATCH[1]}"
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conference_name="${BASH_REMATCH[2]}"
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start_times["$conference_name"]="$timestamp"
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# locate the corresponding conference ending event
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elif [[ "$line" =~ ([0-9-]+\ [0-9:.]+)\ [A-Z]+:.*\[room=([^ ]+)@.*\ meeting_id=([a-zA-Z0-9-]+)\]\ JitsiMeetConferenceImpl\.stop ]]; then
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end_time="${BASH_REMATCH[1]}"
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conference_name="${BASH_REMATCH[2]}"
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conference_id="${BASH_REMATCH[3]}"
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start_time="${start_times["$conference_name"]}"
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if [[ -n "$start_time" ]]; then
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db_insert=$(printf "$db_insert_conference_template" "$jitsi_component" "$conference_name" "$conference_id" "$start_time" "$end_time")
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db_query "$db_insert"
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unset "start_times[$conference_name]"
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fi
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fi
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;;
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esac
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# We don't use pipe, but process substitution '<(dd...)' to avoid running while loop in subshell and lose the 'new_last_pos' value
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done < <(dd bs=1 skip="$start_pos" <&3 2>/dev/null)
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# Close the file descriptor
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exec 3<&-
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}
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### FIXME - this is not currently used
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# check if and which process is running
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is_process_running() {
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pgrep -f "$1" >/dev/null 2>&1
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}
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# commandline options
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while getopts ":dfcpv" opt; do
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case $opt in
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d)
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cmd="--create-db"
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;;
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f)
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cmd="--flush"
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;;
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c)
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cmd="--check"
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;;
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p)
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cmd="--parse"
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;;
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v)
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verbose=true
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;;
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\?)
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echo "Invalid option: -$OPTARG" >&2
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echo -e "$help"
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exit 1
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;;
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esac
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done
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shift $((OPTIND -1))
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case "$cmd" in
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--create-db)
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db_query "$db_drop"
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db_query "$db_create"
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db_query "$db_init"
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echo "Database created."
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exit 0
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;;
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--flush)
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db_query "$db_flush"
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db_query "$db_init"
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echo "Tables flushed."
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exit 0
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;;
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--check)
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# database checks
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if [[ "$DB_TYPE" == "sqlite" ]]; then
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# First check if database exists
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if [[ ! -f "$DB" ]]; then
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echo "Database not found. If it's a fresh install, please install the database first."
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exit 1
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fi
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# get current and expected db schemas in comparable format
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current_db_schema=$(sqlite3 "$DB" .schema)
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current_db_schema_normalized=$(db_normalize_schema "$current_db_schema")
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expected_db_schema_normalized=$(db_normalize_schema "$db_create")
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# compare the DB schema to the expected one
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if [[ "$current_db_schema_normalized" != "$expected_db_schema_normalized" ]]; then
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echo "The database doesn't match the expected schema. Please check it, and if needed, reinstall it."
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exit 1
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fi
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elif [[ "$DB_TYPE" == "mysql" || "$DB_TYPE" == "mariadb" ]]; then
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# First check if database exists
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if ! mysql -h "$MYSQL_HOST" -u "$MYSQL_USER" -p "$MYSQL_PASS" -e "USE $MYSQL_DB"; then
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echo "Database not found. If it's a fresh install, please install the database first."
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exit 1
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fi
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# Get the list of tables, omiting the 'show tables' header
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tables=()
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while IFS= read -r line; do
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tables+=("$line")
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done < <(mysql -h "$MYSQL_HOST" -u "$MYSQL_USER" -p "$MYSQL_PASS" -D "$MYSQL_DB" -e "SHOW TABLES;" | tail -n +2)
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# get current and expected db schemas in comparable format
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current_db_schema=''
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for table in ${tables[@]}; do
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create_table_string=$(mysql -h "$MYSQL_HOST" -u "$MYSQL_USER" -p "$MYSQL_PASS" -D "$MYSQL_DB" -e "SHOW CREATE TABLE $table\G" | grep -v "Table" | grep -v "Create Table")
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create_table_string="${create_table_string#"${create_table_string%%[^[:space:]]*}"}" # remove leading spaces"
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current_db_schema+="$create_table_string"
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done
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current_db_schema_normalized=$(db_normalize_schema "$current_db_schema")
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expected_db_schema_normalized=$(db_normalize_schema "$db_create")
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# compare the DB schema to the expected one
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if [[ "$current_db_schema_normalized" != "$expected_db_schema_normalized" ]]; then
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echo "The database doesn't match the expected schema. Please check it, and if needed, reinstall it."
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exit 1
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fi
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else
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echo "Error: unknown database type $DB_TYPE."
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exit 1
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fi
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# Check if log files exist
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jvb_found=false
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jicofo_found=false
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if [[ -f "$JVB_LOGFILE" ]]; then
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jvb_found=true
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jitsi_components+=('JVB')
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fi
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if [[ -f "$JICOFO_LOGFILE" ]]; then
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jicofo_found=true
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jitsi_components+=('JICOFO')
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fi
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# if no logs present, exit
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if [[ "$jvb_found" == false && "$jicofo_found" == false ]]; then
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echo "Neither \"$JVB_PROCESS\" ($JVB_LOGFILE) nor \"$JICOFO_PROCESS\" ($JICOFO_LOGFILE) log files are found."
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exit 1
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else
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# otherwise loop through the found components
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for jitsi_component in "${jitsi_components[@]}"; do
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# Retrieve last log file and position inside it
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IFS='|' read -r last_file last_filetime last_size last_pos last_inode <<< "$(get_state "$jitsi_component")"
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# Initialize logfile vars
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LOGFILE=$(eval "echo \$${jitsi_component}_LOGFILE")
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ROTATED_LOGFILE="$LOGFILE.1"
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current_inode=$(stat -c '%i' "$LOGFILE")
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current_filetime=$(stat -c '%Y' "$LOGFILE")
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current_size=$(stat -c '%s' "$LOGFILE")
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if [[ "$last_file" == '' || "$last_inode" == 0 ]]; then
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echo "It looks like a fresh install. You can now run log parsing."
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exit 0
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fi
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# report
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echo "Last file: $last_file"
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echo "Last filetime: $last_filetime"
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echo "Last inode: $last_inode"
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echo "Last size: $last_size"
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echo "Last processed position: $last_pos"
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echo "Current filetime: $current_filetime"
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echo "Current inode: $current_inode"
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echo "Current size: $current_size"
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if [[ "$last_inode" == "$current_inode" && "$current_size" -lt "$last_pos" && -f "$ROTATED_LOGFILE" ]]; then
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echo "Log file has rotated."
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else
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echo "Log file has not rotated."
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fi
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if [[ "$current_filetime" -ne "$last_filetime" || "$current_size" -ne "$last_size" ]]; then
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echo -e "New lines have been added to the log.\n"
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else
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echo -e "No new lines in the log.\n"
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fi
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done
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fi
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exit 0
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;;
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--parse)
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# Check if log files exist
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jvb_found=false
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jicofo_found=false
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if [[ -f "$JVB_LOGFILE" ]]; then
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jvb_found=true
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jitsi_components+=('JVB')
|
|
fi
|
|
|
|
if [[ -f "$JICOFO_LOGFILE" ]]; then
|
|
jicofo_found=true
|
|
jitsi_components+=('JICOFO')
|
|
fi
|
|
|
|
# if no logs present, exit
|
|
if [[ "$jvb_found" == false && "$jicofo_found" == false ]]; then
|
|
echo "Neither \"$JVB_PROCESS\" ($JVB_LOGFILE) nor \"$JICOFO_PROCESS\" ($JICOFO_LOGFILE) log files are found."
|
|
exit 1
|
|
else
|
|
|
|
# otherwise loop through the found components
|
|
for jitsi_component in "${jitsi_components[@]}"; do
|
|
|
|
# Retrieve last log file and position inside it
|
|
IFS='|' read -r last_file last_filetime last_size last_pos last_inode <<< "$(get_state "$jitsi_component")"
|
|
|
|
# Initialize logfile vars
|
|
LOGFILE=$(eval "echo \$${jitsi_component}_LOGFILE")
|
|
ROTATED_LOGFILE="$LOGFILE.1"
|
|
last_pos=${last_pos:-0}
|
|
current_inode=$(stat -c '%i' "$LOGFILE")
|
|
current_filetime=$(stat -c '%Y' "$LOGFILE")
|
|
current_size=$(stat -c '%s' "$LOGFILE")
|
|
|
|
# Detect if the logfile was rotated (same inode, smaller size - copytruncate in logrotate)
|
|
# parse the rotated log file
|
|
if [[ "$last_inode" == "$current_inode" && "$current_size" -lt "$last_pos" && -f "$ROTATED_LOGFILE" ]]; then
|
|
echo "Logfile was rotated. Processing the rotated log file: $ROTATED_LOGFILE"
|
|
jitsi_log_parse "$ROTATED_LOGFILE" 0 "$verbose"
|
|
last_file="$ROTATED_LOGFILE"
|
|
last_inode=$(stat -c '%i' "$ROTATED_LOGFILE")
|
|
last_filetime=$(stat -c '%Y' "$ROTATED_LOGFILE")
|
|
set_state "$last_file" "$last_filetime" "$last_size" "$last_pos" "$last_inode" "$jitsi_component"
|
|
fi
|
|
|
|
# parse the current log file
|
|
echo "Processing the current log file: $LOGFILE"
|
|
jitsi_log_parse "$LOGFILE" "$last_pos" "$verbose"
|
|
|
|
if [[ "$verbose" == true ]]; then
|
|
if [[ "$new_last_pos" == "$last_pos" ]]; then
|
|
echo "The file has not changed, no new data inserted."
|
|
else
|
|
echo -e "\nNew last position after parsing: $new_last_pos"
|
|
fi
|
|
fi
|
|
|
|
# update the state in db
|
|
set_state "$LOGFILE" "$current_filetime" "$current_size" "$new_last_pos" "$current_inode" "$jitsi_component"
|
|
|
|
done
|
|
|
|
fi
|
|
|
|
echo "Data import finished."
|
|
exit 0
|
|
;;
|
|
|
|
*)
|
|
echo -e "$help"
|
|
exit 1
|
|
;;
|
|
esac
|