TA-unix/bin/update.sh
Michael Erdely a24e4c8ee5
Fix OpenBSD Support and Other Bugs
Changes:

* Fix OpenBSD cpu.sh output to match others
* Fix OpenBSD df.sh output (no need for %% here)
* Do not use sudo or doas when running as root
* Use #!/usr/bin/env bash to support OpenBSD in run_nix_ta_commands
* Fix rsyslog example to trim whitespace in run_nix_ta_commands
* Add /usr/local/sbin:/usr/local/bin to PATH in run_nix_ta_commands
* Fix getting hour and minute for OpenBSD in run_nix_ta_commands
  "08" shows up to printf as octal
* Support difference in OpenBSD logger command:
  Requires modifying /etc/syslog.conf and setting facility in /etc/nix_ta.conf
2025-01-25 13:41:20 -05:00

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#!/bin/sh
# Copyright (C) 2025 Michael Erdely All Rights Reserved.
# SPDX-FileCopyrightText: 2024 Splunk, Inc.
# SPDX-License-Identifier: Apache-2.0
# shellcheck disable=SC1091
. "$(dirname "$0")"/common.sh
TMP_ERROR_FILTER_FILE=$(mktemp) # For filering out apt warning from stderr
if [ "$KERNEL" = "Linux" ] ; then
assertHaveCommand date
OSName=$(cat /etc/*release | grep '\bNAME=' | cut -d '=' -f2 | tr ' ' '_' | cut -d\" -f2)
OS_FILE=/etc/os-release
# Ubuntu doesn't have yum installed by default hence apt is being used to get the list of upgradable packages
if [ "$OSName" = "Ubuntu" ] || [ "$OSName" = "Debian_GNU/Linux" ]; then
assertHaveCommand apt
assertHaveCommand sed
# For this to work properly, add a line to /etc/sudoers like this:
# splunk ALL=(root) NOPASSWD: /usr/bin/apt update
# Without the above line, 'apt list --upgradable' will not show updated packages unless the package databases were updated outside of this script
# sed command here replaces '/, [, ]' with ' '
if [ $(id -u) != 0 ]; then
CMD='eval date ; sudo -n apt update > /dev/null 2>&1 ; eval apt list --upgradable | sed "s/\// /; s/\[/ /; s/\]/ /"'
else
CMD='eval date ; apt update > /dev/null 2>&1 ; eval apt list --upgradable | sed "s/\// /; s/\[/ /; s/\]/ /"'
fi
# shellcheck disable=SC2016
PARSE_0='NR==1 {DATE=$0}'
# shellcheck disable=SC2016
PARSE_1='NR>2 { printf "%s package=%s ubuntu_update_stream=%s latest_package_version=%s ubuntu_architecture=%s current_package_version=%s\n", DATE, $1, $2, $3, $4, $7}'
MESSAGE="$PARSE_0 $PARSE_1"
elif echo "$OS_ID" | grep -qi suse; then
assertHaveCommand zypper
# shellcheck disable=SC2016
CMD='eval date ; zypper list-updates'
# shellcheck disable=SC2016
PARSE_0='NR==1 {DATE=$0}'
# shellcheck disable=SC2016
PARSE_1='/^[\-+]+/ {header_found = 1; next}'
# shellcheck disable=SC2016
PARSE_2='header_found { gsub(/[[:space:]]*\|[[:space:]]*/, "|"); split($0, arr, /\|/); printf "%s repository=%s package=%s current_package_version=%s latest_package_version=%s sles_architecture=%s\n", DATE, arr[2], arr[3], arr[4], arr[5], arr[6]}'
MESSAGE="$PARSE_0 $PARSE_1 $PARSE_2"
elif [ "$OSName" = "Arch_Linux" ] || [ "$OSName" = "Arch_Linux_ARM" ]; then
assertHaveCommand checkupdates
assertHaveCommand sed
# For this to work properly, add a line to /etc/sudoers like this:
# splunk ALL=(root) NOPASSWD: /usr/bin/pacman -Syy
# Without the above line, checkupdates will not show updated packages unless the package databases were updated outside of this script (similar to Debian's apt update)
if [ $(id -u) != 0 ]; then
CMD='eval date ; eval uname -m | sed -r "s/(armv7l|aarch64)/arm64/;s/x86_64/amd64/"; sudo -n pacman -Syy > /dev/null 2>&1 ; eval checkupdates'
else
CMD='eval date ; eval uname -m | sed -r "s/(armv7l|aarch64)/arm64/;s/x86_64/amd64/"; pacman -Syy > /dev/null 2>&1 ; eval checkupdates'
fi
# shellcheck disable=SC2016
PARSE_0='NR==1 {DATE=$0}'
PARSE_1='NR==2 {ARCH=$0}'
PARSE_2='NR>2 {printf "%s arch_architecture=%s package=%s current_package_version=%s latest_package_version=%s\n", DATE, ARCH, $1, $2, $4}'
MESSAGE="$PARSE_0 $PARSE_1 $PARSE_2"
else
assertHaveCommand yum
CMD='eval date ; yum check-update'
# shellcheck disable=SC2016
PARSE_0='NR==1 {
DATE=$0
PROCESS=0
UPDATES["addons"]=0
UPDATES["base"]=0
UPDATES["extras"]=0
UPDATES["updates"]=0
}'
# Skip extraneous text up to first blank line.
# shellcheck disable=SC2016
PARSE_1='NR>1 && PROCESS==0 && $0 ~ /^[[:blank:]]*$|^$/ {
PROCESS=1
}'
# shellcheck disable=SC2016
PARSE_2='NR>1 && PROCESS==1 {
num = split($0, update_array)
if (num == 3) {
# Record the update count
UPDATES[update_array[3]] = UPDATES[update_array[3]]+1
printf "%s package=\"%s\" package_type=\"%s\"\n", DATE, update_array[1], update_array[3]
} else if (num==2 && update_array[1] != "") {
printf "%s package=\"%s\"\n", DATE, update_array[1]
}
}'
PARSE_3='END {
TOTALS=""
for (key in UPDATES) {
TOTALS=TOTALS key "=" UPDATES[key] " "
}
printf "%s %s\n", DATE, TOTALS
}'
MESSAGE="$PARSE_0 $PARSE_1 $PARSE_2 $PARSE_3"
fi
elif [ "$KERNEL" = "Darwin" ] ; then
assertHaveCommand date
assertHaveCommand softwareupdate
CMD='eval date ; softwareupdate -l'
# shellcheck disable=SC2016
PARSE_0='NR==1 {
DATE=$0
PROCESS=0
TOTAL=0
}'
# If the first non-space character is an asterisk, assume this is the name
# of the update. Otherwise, print the update.
# shellcheck disable=SC2016
PARSE_1='NR>1 && PROCESS==1 && $0 !~ /^[[:blank:]]*$/ {
if ( $0 ~ /^[[:blank:]]*\*/ ) {
PACKAGE="package=\"" $2 "\""
RECOMMENDED=""
RESTART=""
TOTAL=TOTAL+1
} else {
if ( $0 ~ /recommended/ ) { RECOMMENDED="is_recommended=\"true\"" }
if ( $0 ~ /restart/ ) { RESTART="restart_required=\"true\"" }
printf "%s %s %s %s\n", DATE, PACKAGE, RECOMMENDED, RESTART
}
}'
# Use sentinel value to skip all text prior to update list.
# shellcheck disable=SC2016
PARSE_2='NR>1 && PROCESS==0 && $0 ~ /found[[:blank:]]the[[:blank:]]following/ {
PROCESS=1
}'
PARSE_3='END {
printf "%s total_updates=%s\n", DATE, TOTAL
}'
MESSAGE="$PARSE_0 $PARSE_1 $PARSE_2 $PARSE_3"
elif [ "$KERNEL" = "OpenBSD" ] ; then
CMD="eval pkg_add -usv 2>&1 | grep -vE '(Adding quirks-|pkg_add should be run as root)' | grep ^Adding | sed -E 's/^Adding ([^:]+:)?(.*)->(.*)\(pretending\)/\2 \3/' | while read pkg ver; do name=\$(pkg_info -P \$pkg | grep -A1 ^Pkgpath:|tail -n1|cut -d/ -f2-); date \"+%a %b %e %H:%M:%S %Z %Y arch_architecture=\$(arch -s) package=\$name current_package_version=\$(echo \$pkg | sed -E \"s/\$name-//\") latest_package_version=\$ver\"; done"
#CMD="eval for f in \$(pkg_add -usv 2>&1 | grep -vE \"(Adding quirks-|pkg_add should be run as root)\" | grep ^Adding | sed -E \"s/^Adding ([^:]+:)?(.*)->(.*)\(pretending\)/\2 \3/\"); do echo \$f; done"
MESSAGE="{print}"
else
# Exits
failUnsupportedScript
fi
# shellcheck disable=SC2086
$CMD 2> $TMP_ERROR_FILTER_FILE | tee "$TEE_DEST" | $AWK "$MESSAGE"
# shellcheck disable=SC2086
grep -Ev "apt does not have a stable CLI interface|^[[:space:]]*$" < $TMP_ERROR_FILTER_FILE 1>&2
# shellcheck disable=SC2086
rm $TMP_ERROR_FILTER_FILE 2>/dev/null
echo "Cmd = [$CMD]; | $AWK '$MESSAGE'" >> "$TEE_DEST"