115 lines
4.1 KiB
Diff
115 lines
4.1 KiB
Diff
From: Javier Viguera <javier.viguera@digi.com>
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Date: Wed, 7 Jun 2017 20:44:56 +0200
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Subject: [PATCH] greengrassd: remove bashisms in launcher shell script
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So it runs properly in other Posix shells (like the one in Busybox)
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Signed-off-by: Javier Viguera <javier.viguera@digi.com>
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---
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greengrassd | 28 ++++++++++++++--------------
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1 file changed, 14 insertions(+), 14 deletions(-)
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diff --git a/greengrassd b/greengrassd
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index cadaa6b0101e..e24422af2f3d 100755
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--- a/greengrassd
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+++ b/greengrassd
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@@ -1,4 +1,4 @@
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-#!/usr/bin/env bash
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+#!/bin/sh
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##########Environment Requirement for Greengrass Daemon##########
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# by default, the daemon assumes it's going to be launched from a directory
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@@ -38,19 +38,19 @@ setup() {
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mkdir -p $GGC_ROOT_FS
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# Mask greengrass directory for containers
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- mknod $GGC_ROOT_FS/greengrass c 1 3 &>/dev/null || true
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+ mknod $GGC_ROOT_FS/greengrass c 1 3 >/dev/null 2>&1 || true
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}
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validatePlatformSecurity() {
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- if [[ -f $FS_SETTINGS/protected_hardlinks &&
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- -f $FS_SETTINGS/protected_symlinks ]]; then
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+ if [ -f $FS_SETTINGS/protected_hardlinks ] &&
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+ [ -f $FS_SETTINGS/protected_symlinks ]; then
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PROT_HARDLINK_VAL=$(cat $FS_SETTINGS/protected_hardlinks)
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PROT_SOFTLINK_VAL=$(cat $FS_SETTINGS/protected_symlinks)
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- if [[ "$PROT_HARDLINK_VAL" -ne 1 || "$PROT_SOFTLINK_VAL" -ne 1 ]]; then
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+ if [ "$PROT_HARDLINK_VAL" -ne 1 ] || [ "$PROT_SOFTLINK_VAL" -ne 1 ]; then
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echo "AWS Greengrass detected insecure OS configuration: No hardlink/softlink protection enabled." | tee -a $CRASH_LOG
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exit 1
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fi
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@@ -127,7 +127,7 @@ validateEnvironment() {
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start() {
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setup
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- if [[ $INSECURE -ne 1 ]]; then
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+ if [ "${INSECURE}" != "1" ]; then
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validatePlatformSecurity
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fi
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@@ -139,7 +139,7 @@ start() {
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then
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pid=$!
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# sleep 5 seconds to wait for daemon to start or exit
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- for i in {1..5}; do
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+ for i in $(seq 1 5); do
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echo -n "."
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sleep 1
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done
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@@ -147,10 +147,10 @@ start() {
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if [ -e "/proc/$pid" ]
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then
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echo "$pid" > $PID_FILE
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- echo -e "\e[0;32mGreengrass daemon started with PID: $pid\e[0m"
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+ printf "\e[0;32mGreengrass daemon started with PID: $pid\e[0m\n"
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else
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echo "Greengrass daemon $pid failed to start"
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- echo -e "\e[0;31m$(cat $CRASH_LOG)\e[0m"
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+ printf "\e[0;31m$(cat $CRASH_LOG)\e[0m\n"
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exit 1
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fi
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else
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@@ -179,7 +179,7 @@ stop() {
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# If the pid no longer exists, we're done, remove the pid file and exit. Otherwise, just increment the loop counter
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if [ ! -e "/proc/$PID" ]; then
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rm $PID_FILE
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- echo -e "\nStopped greengrass daemon, exiting with success"
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+ printf "\nStopped greengrass daemon, exiting with success\n"
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break
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else
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total_sleep_seconds=$(($total_sleep_seconds+1))
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@@ -194,7 +194,7 @@ stop() {
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if [ $total_sleep_seconds -ge $MAX_DAEMON_KILL_WAIT_SECONDS ]; then
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# If we are here, we never exited in the previous loop and the pid still exists. Exit with failure.
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- echo -e "\nProcess with pid $PID still alive after timeout of $MAX_DAEMON_KILL_WAIT_SECONDS seconds. Unable to kill process, exiting with failure."
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+ printf "\nProcess with pid $PID still alive after timeout of $MAX_DAEMON_KILL_WAIT_SECONDS seconds. Unable to kill process, exiting with failure.\n"
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exit 1
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fi
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fi
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@@ -204,16 +204,16 @@ usage() {
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echo ""
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echo "Usage: $0 [FLAGS] {start|stop|restart}"
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echo ""
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- echo -e "[FLAGS]: -i, --insecure \t Run GGC in insecure mode without hardlink/softlink protection, (highly discouraged for production use)"
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+ printf "[FLAGS]: -i, --insecure \t Run GGC in insecure mode without hardlink/softlink protection, (highly discouraged for production use)\n"
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echo ""
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exit 1
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}
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-if [[ $# -eq 0 ]]; then
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+if [ $# -eq 0 ]; then
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usage
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fi
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-while [[ $# -gt 0 ]]
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+while [ $# -gt 0 ]
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do
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key="$1"
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case $key in
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