commit f8c9489dfe0fce9e0331024ef64439f6c010b97f Author: gabor.g.somogyi gabor.g.somogyi@gmail.com Date: Fri Feb 19 14:56:42 2021 +0100

Add truncate-logs.sh to tools --- tools/truncate-logs.sh | 85 ++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 85 insertions(+)

diff --git a/tools/truncate-logs.sh b/tools/truncate-logs.sh new file mode 100644 index 0000000..59e586d --- /dev/null +++ b/tools/truncate-logs.sh @@ -0,0 +1,85 @@ +#!/bin/sh +# +# Usage: +# tools/truncate-logs.sh [node] +# +# Output: +# for each node, truncate the logs +# +# If the argument "node" is specified, only truncates the logs of that +# node. +# +# Examples: +# tools/truncate-logs.sh +# tools/truncate-logs.sh 000a + +set -o errexit +set -o nounset + +# Set some default values if the variables are not already set +: "${CHUTNEY_DATA_DIR:=}" + +if [ ! -d "$CHUTNEY_PATH" ] || [ ! -x "$CHUTNEY_PATH/chutney" ]; then + # looks like a broken path: use the path to this tool instead + TOOLS_PATH=$(dirname "$0") + CHUTNEY_PATH=$(dirname "$TOOLS_PATH") + export CHUTNEY_PATH +fi +if [ -d "$PWD/$CHUTNEY_PATH" ] && [ -x "$PWD/$CHUTNEY_PATH/chutney" ]; then + # looks like a relative path: make chutney path absolute + export CHUTNEY_PATH="$PWD/$CHUTNEY_PATH" +fi + +# Get a working net path +case "$CHUTNEY_DATA_DIR" in + /*) + # if an absolute path, then leave as-is + # chutney will make this directory automatically if needed + ;; + *) + # if a relative path + if [ ! -d "$CHUTNEY_DATA_DIR" ]; then + # looks like a broken path: use the chutney path as a base + export CHUTNEY_DATA_DIR="$CHUTNEY_PATH/net" + fi + if [ -d "$PWD/$CHUTNEY_DATA_DIR" ]; then + # looks like a relative path: make chutney path absolute + export CHUTNEY_DATA_DIR="$PWD/$CHUTNEY_DATA_DIR" + fi + ;; +esac + +# Truncate the logs for node $1 +truncate_logs() { + echo "Truncating log: $1" + truncate -s 0 "$1" +} + +# Show the usage message for this script +usage() { + echo "Usage: $NAME [node]" + exit 1 +} + +NAME=$(basename "$0") +DEST="$CHUTNEY_DATA_DIR/nodes" +LOG_FILE=*.log + +[ -d "$DEST" ] || { echo "$NAME: no logs available in '$DEST'"; exit 1; } +if [ $# -eq 0 ]; +then + for log in "$DEST"/*/$LOG_FILE; + do + [ -e "${log}" ] || continue + truncate_logs "$log" + done +elif [ $# -eq 1 ]; +then + for log in "$DEST"/$1/$LOG_FILE; + do + [ -e "${log}" ] || continue + truncate_logs "$log" + done +else + usage +fi