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#!/bin/sh
HOST="root@thesiah.xyz"
LOG_DIR="/var/log/nginx"
TARGET="all" # "all" means no target filter (show all lines)
COUNTRY="all" # all|kr|us
SCOPE="all" # all|access|recordings
EXCL_FIREFOX=1 # 1 = exclude Firefox lines by default
EXCLUDES="59.19.56.8" # default exclude pattern
ADD_EXCLUDES=""
LINE_LIMIT=10 # default number of lines when TARGET=all
usage() {
cat <<'EOF'
Usage: ylog [options]
Options:
-t TARGET Search IP or string (default: all → no filter, show all lines)
e.g. -t 207.96.105.230
e.g. -t si
e.g. -t all
-c COUNTRY Select country logs (default: all)
all : all logs
kr : recordings.kr.log + recordings.access.log
us : recordings.us.log + recordings.access.log
-s SCOPE Select log scope (default: all)
all : recordings + access
recordings : recordings.* logs only
access : access.* logs only
-n Disable Firefox exclusion (by default, Firefox lines are excluded)
-x PATTERN Add extra exclude pattern (can be repeated)
e.g. -x bot -x '192\.0\.2\.1'
-l N Limit number of lines (default: 10)
Only applies when TARGET=all
e.g. -l 50 → show last 50 lines per file
-h Show this help
Examples:
ylog # All logs, last 10 lines each
ylog -s recordings # Recordings logs only, last 10 lines each
ylog -c kr -t 1.2.3.4 # Search specific IP in Korean logs
ylog -t all -l 50 # All logs, last 50 lines each
EOF
exit 0
}
while getopts "t:c:s:nx:l:h" opt; do
case "$opt" in
t) TARGET="$OPTARG" ;;
c) COUNTRY="$OPTARG" ;;
s) SCOPE="$OPTARG" ;;
n) EXCL_FIREFOX=0 ;;
x) ADD_EXCLUDES="${ADD_EXCLUDES}
$OPTARG" ;;
l) LINE_LIMIT="$OPTARG" ;;
h) usage ;;
*) usage ;;
esac
done
shift $((OPTIND - 1))
# escape for grep -E
esc_target=$(printf '%s' "$TARGET" | sed -E 's/[][^$.*/+?(){}|\\]/\\&/g')
remote_sh='
set -eu
LOG_DIR="'"$LOG_DIR"'"
COUNTRY="'"$COUNTRY"'"
SCOPE="'"$SCOPE"'"
TARGET="'"$TARGET"'"
ESC_TARGET="'"$esc_target"'"
EXCL_FIREFOX='"$EXCL_FIREFOX"'
LINE_LIMIT='"$LINE_LIMIT"'
# collect files
pick_files() {
# recordings: always include recordings.access.log (old merged logs)
if [ "$SCOPE" = "recordings" ] || [ "$SCOPE" = "all" ]; then
for q in "$LOG_DIR/recordings.access.log" "$LOG_DIR/recordings.access.log".*; do
[ -e "$q" ] && printf "%s\n" "$q"
done
case "$COUNTRY" in
kr) for q in "$LOG_DIR/recordings.kr.log" "$LOG_DIR/recordings.kr.log".*; do [ -e "$q" ] && printf "%s\n" "$q"; done ;;
us) for q in "$LOG_DIR/recordings.us.log" "$LOG_DIR/recordings.us.log".*; do [ -e "$q" ] && printf "%s\n" "$q"; done ;;
all)
for p in recordings.kr.log recordings.us.log; do
for q in "$LOG_DIR/$p" "$LOG_DIR/$p".*; do [ -e "$q" ] && printf "%s\n" "$q"; done
done
;;
esac
fi
# access logs
if [ "$SCOPE" = "access" ] || [ "$SCOPE" = "all" ]; then
for q in "$LOG_DIR/access.log" "$LOG_DIR/access.log".*; do
[ -e "$q" ] && printf "%s\n" "$q"
done
fi
}
# build exclude regex
build_exre() {
EXRE=""
TEMP_FILE="/tmp/.ylog_exre_$$"
rm -f "$TEMP_FILE"
{ printf "%s\n" "${EXCLUDES:-}"; printf "%s\n" "${ADD_EXCLUDES:-}"; } | sed "/^$/d" | while IFS= read -r pat
do
esc=$(printf "%s" "$pat" | sed -E "s/[][^$.*/+?(){}|\\]/\\\\&/g")
if [ -s "$TEMP_FILE" ]; then
EXRE="$(cat "$TEMP_FILE")|$esc"
else
EXRE="$esc"
fi
printf "%s" "$EXRE" > "$TEMP_FILE"
done
if [ -f "$TEMP_FILE" ]; then
cat "$TEMP_FILE"
rm -f "$TEMP_FILE"
fi
}
FILES_TMP="/tmp/.ylog_files_$$"
pick_files | sed "/^$/d" | sort -u > "$FILES_TMP"
if [ ! -s "$FILES_TMP" ]; then
echo "[WARN] No log files found for COUNTRY=$COUNTRY SCOPE=$SCOPE." >&2
exit 0
fi
echo "[SCAN] Target: \"$TARGET\" Country: $COUNTRY Scope: $SCOPE"
echo "[FILES]"
cat "$FILES_TMP"
EXRE="$(build_exre || true)"
found=0
for f in $(cat "$FILES_TMP"); do
[ -e "$f" ] || continue
case "$f" in *.gz) reader="zcat -f -- \"$f\"" ;; *) reader="cat -- \"$f\"" ;; esac
if [ "$TARGET" = "all" ]; then
cmd="$reader"
else
cmd="$reader | grep -E -- \"${ESC_TARGET}[[:space:]]\""
fi
if [ -n "${EXRE:-}" ]; then
cmd="$cmd | grep -v -E -- \"$EXRE\""
fi
[ "$EXCL_FIREFOX" -eq 1 ] && cmd="$cmd | grep -vi firefox"
if [ "$TARGET" = "all" ]; then
if sh -c "$cmd | tail -n $LINE_LIMIT"; then
found=1
fi
else
if sh -c "$cmd"; then
found=1
fi
fi
done
rm -f "$FILES_TMP"
if [ "$TARGET" != "all" ] && [ "$found" -eq 0 ]; then
echo "[INFO] No matches found (or filtered out)." >&2
fi
'
# remote execution
ssh "$HOST" \
EXCLUDES="$(printf '%s' "$EXCLUDES")" \
ADD_EXCLUDES="$(printf '%s' "$ADD_EXCLUDES")" \
/bin/sh <<REMOTE_EOF
$remote_sh
REMOTE_EOF
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