Add initial pre-flight check script

This commit is contained in:
William Wernert
2021-02-23 13:25:54 -05:00
parent fad87a8789
commit 25698dafe3
2 changed files with 138 additions and 2 deletions

View File

@@ -905,9 +905,10 @@ detect_cloud() {
}
detect_os() {
local log=${1:-${setup_log}}
# Detect Base OS
echo "Detecting Base OS" >> "$setup_log" 2>&1
echo "Detecting Base OS" >> "$log" 2>&1
if [ -f /etc/redhat-release ]; then
OS=centos
if grep -q "CentOS Linux release 7" /etc/redhat-release; then
@@ -937,7 +938,7 @@ detect_os() {
exit 1
fi
echo "Found OS: $OS $OSVER" >> "$setup_log" 2>&1
echo "Found OS: $OS $OSVER" >> "$log" 2>&1
}

135
setup/so-preflight Normal file
View File

@@ -0,0 +1,135 @@
#!/bin/bash
# Copyright 2014,2015,2016,2017,2018,2019,2020,2021 Security Onion Solutions, LLC
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
source ../salt/common/tools/sbin/so-common
source ./so-functions
preflight_log='/root/preflight.log'
check_default_repos() {
local ret_code=0
printf ' Checking OS default repos with ' | tee -a "$preflight_log"
if [[ $OS == 'centos' ]]; then
printf '%s' 'yum update.' | tee -a "$preflight_log"
echo "" >> "$preflight_log"
yum -y update >> $preflight_log 2>&1
ret_code=$?
else
printf '%s' 'apt update.' | tee -a "$preflight_log"
echo "" >> "$preflight_log"
retry 50 10 "apt-get -y update" >> $preflight_log 2>&1
ret_code=$?
fi
[[ $ret_code == 0 ]] && printf '%s\n' ' SUCCESS' || printf '%s\n' ' FAILURE'
return $ret_code
}
check_new_repos() {
printf ' Checking repo URLs added by setup.' | tee -a "$preflight_log"
if [[ $OS == 'centos' ]]; then
local repo_arr=(
"https://download.docker.com/linux/centos/docker-ce.repo"
"https://repo.saltstack.com/py3/redhat/7/x86_64/archive/3002.2/SALTSTACK-GPG-KEY.pub"
"https://repo.saltstack.com/py3/ubuntu/18.04/amd64/archive/3002.2/SALTSTACK-GPG-KEY.pub"
"https://download.docker.com/linux/ubuntu/gpg"
"https://packages.wazuh.com/key/GPG-KEY-WAZUH"
"https://packages.wazuh.com/3.x/yum/"
)
else
local ubuntu_version
ubuntu_version=$(grep -q VERSION_ID /etc/os-release 2> /dev/null | awk -F '[ "]' '{print $2}')
if [ "$OSVER" != "xenial" ]; then local py_ver_url_path="/py3"; else local py_ver_url_path="/apt"; fi
local repo_arr=(
"https://download.docker.com/linux/ubuntu/gpg"
"https://download.docker.com/linux/ubuntu"
"https://repo.saltstack.com$py_ver_url_path/ubuntu/$ubuntu_version/amd64/archive/3002.2/SALTSTACK-GPG-KEY.pub"
"https://packages.wazuh.com/key/GPG-KEY-WAZUH"
"https://packages.wazuh.com"
)
fi
__check_url_arr "${repo_arr[@]}"
local ret_code=$?
[[ $ret_code == 0 ]] && printf '%s\n' ' SUCCESS' || printf '%s\n' ' FAILURE'
return $ret_code
}
check_misc_urls() {
printf ' Checking various other URLs used by setup.' | tee -a "$preflight_log"
local so_version=$(cat ../VERSION)
local url_arr=(
"https://raw.githubusercontent.com/Security-Onion-Solutions/securityonion/master/KEYS"
"https://github.com/Neo23x0/signature-base"
"https://sigs.securityonion.net/$so_version/securityonion-$so_version.iso.sig"
"https://ghcr.io/"
)
__check_url_arr "${url_arr[@]}"
local ret_code=$?
[[ $ret_code == 0 ]] && printf '%s\n' ' SUCCESS' || printf '%s\n' ' FAILURE'
return $ret_code
}
__check_url_arr() {
local ret_code=0
echo "" >> "$preflight_log"
for url in "$@"; do
local status
status=$(curl -s -o /dev/null -w "%{http_code}" -L "$url" 2> /dev/null)
local ret=$?
if [[ $ret == 0 ]]; then
printf '%s' " - Successfully reached $url" >> "$preflight_log"
if [[ $status -ge 400 ]]; then
printf '%s\n' " but server responded with error code $status" >> "$preflight_log"
else
printf '\n' >> "$preflight_log"
fi
else
ret_code=1
echo " - [ERROR]: Could not reach $url" >> "$preflight_log"
fi
done
echo "" >> "$preflight_log"
return $ret_code
}
main() {
detect_os "$preflight_log"
[[ -f $preflight_log ]] || touch "$preflight_log"
echo "Beginning pre-flight checks." | tee "$preflight_log"
check_default_repos &&\
check_new_repos &&\
check_misc_urls
local success=$?
echo ""
if [[ $success == 0 ]]; then
echo -e "Pre-flight checks completed successfully!\n" | tee -a "$preflight_log"
else
echo -e "Pre-flight checks could not complete." | tee -a "$preflight_log"
echo -e " Check $preflight_log for details.\n"
exit 1
fi
}
main