Import Splunk Add-On for Unix and Linux version 9.2.0

bin/uptime.sh

@@ -0,0 +1,52 @@
+#!/bin/sh
+# SPDX-FileCopyrightText: 2024 Splunk, Inc.
+# SPDX-License-Identifier: Apache-2.0
+
+# shellcheck disable=SC1091
+. "$(dirname "$0")"/common.sh
+
+PRINTF='END {printf "%s SystemUpTime=%s\n", DATE, UPTIME}'
+
+# On HP-UX the `ps` command will only recognize the `-o` option if
+# the `UNIX95` environment variable is set. So do it.
+#
+# Careful: The `UNIX95` environment variable affects other common
+#          commands like `cp`.
+if [ "$KERNEL" = "HP-UX" ]; then
+        export UNIX95=1
+fi
+
+# This should work for any POSIX-compliant system, but in case it doesn't
+# we have left the individual OS names here to be broken out later on.
+if [ "$KERNEL" = "Linux" ] || [ "$KERNEL" = "SunOS" ] || [ "$KERNEL" = "AIX" ] || [ "$KERNEL" = "HP-UX" ] || [ "$KERNEL" = "Darwin" ] || [ "$KERNEL" = "FreeBSD" ] ; then
+        assertHaveCommand date
+        assertHaveCommand ps
+        CMD='eval date; LC_ALL=POSIX ps -o etime= -p 1'
+        # Get the date.
+		# shellcheck disable=SC2016
+        PARSE_0='NR==1 {DATE=$0}'
+        # Parse timestamp using only POSIX AWK functions. The match, do/while,
+        # and exponentiation commands may not be available on some systems.
+        # shellcheck disable=SC2016
+		PARSE_1='NR==2 {
+						if (index($1,"-") != 0) {
+							split($1, array, "-")
+							UPTIME=86400*array[1]
+							num=split(array[2], TIME, ":")
+						} else {
+							UPTIME=0
+							num=split($1, TIME, ":")
+						}
+						for (i=num; i>0; i--) {
+							SECS=TIME[i]
+							for (j=num-i; j>0; j--) {
+								SECS = SECS * 60
+							}
+							UPTIME = UPTIME + SECS
+						}
+					}'
+        MASSAGE="$PARSE_0 $PARSE_1"
+fi
+
+$CMD | tee "$TEE_DEST" | $AWK "$HEADERIZE $MASSAGE $FILL_BLANKS $PRINTF" header="$HEADER"
+echo "Cmd = [$CMD];  | $AWK '$HEADERIZE $MASSAGE $FILL_BLANKS $PRINTF' header=\"$HEADER\"" >> "$TEE_DEST"