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Remove support for non-Oracle Linux 9 operating systems

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Security Onion now exclusively supports Oracle Linux 9. This removes
detection, setup, and update logic for Ubuntu, Debian, CentOS, Rocky,
AlmaLinux, and RHEL.
This commit is contained in:
Mike Reeves
2026-03-16 16:44:07 -04:00
parent 5b2def6fdd
commit d2cee468a0
6 changed files with 182 additions and 625 deletions
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67
setup/so-preflight
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@@ -34,32 +34,19 @@ check_default_repos() {
printf '%s' "$repo_str" | tee -a "$preflight_log"
fi
if [[ $OS == 'centos' ]]; then
if [[ $script_run == true ]]; then
printf '%s' 'yum update.'
else
printf '%s' 'yum update.' | tee -a "$preflight_log"
fi
echo "" >> "$preflight_log"
yum -y check-update >> $preflight_log 2>&1
ret_code=$?
if [[ $ret_code == 0 || $ret_code == 100 ]]; then
printf '%s\n' ' SUCCESS'
ret_code=0
else
printf '%s\n' ' FAILURE'
fi
if [[ $script_run == true ]]; then
printf '%s' 'yum update.'
else
if [[ $script_run == true ]]; then
printf '%s' 'apt update.'
else
printf '%s' 'apt update.' | tee -a "$preflight_log"
fi
echo "" >> "$preflight_log"
retry 150 10 "apt-get -y update" >> $preflight_log 2>&1
ret_code=$?
[[ $ret_code == 0 ]] && printf '%s\n' ' SUCCESS' || printf '%s\n' ' FAILURE'
printf '%s' 'yum update.' | tee -a "$preflight_log"
fi
echo "" >> "$preflight_log"
yum -y check-update >> $preflight_log 2>&1
ret_code=$?
if [[ $ret_code == 0 || $ret_code == 100 ]]; then
printf '%s\n' ' SUCCESS'
ret_code=0
else
printf '%s\n' ' FAILURE'
fi
return $ret_code
@@ -73,21 +60,11 @@ check_new_repos() {
printf '%s' "$repo_url_str" | tee -a "$preflight_log"
fi
if [[ $OS == 'centos' ]]; then
local repo_arr=(
"https://download.docker.com/linux/centos/docker-ce.repo"
"https://repo.securityonion.net/file/securityonion-repo/keys/SALTSTACK-GPG-KEY.pub"
"https://download.docker.com/linux/ubuntu/gpg"
)
else
local ubuntu_version
ubuntu_version=$(grep VERSION_ID /etc/os-release 2> /dev/null | awk -F '[ "]' '{print $2}')
local repo_arr=(
"https://download.docker.com/linux/ubuntu/gpg"
"https://download.docker.com/linux/ubuntu"
"https://repo.securityonion.net/file/securityonion-repo/ubuntu/$ubuntu_version/amd64/salt/SALTSTACK-GPG-KEY.pub"
local repo_arr=(
"https://download.docker.com/linux/centos/docker-ce.repo"
"https://repo.securityonion.net/file/securityonion-repo/keys/SALTSTACK-GPG-KEY.pub"
"https://download.docker.com/linux/ubuntu/gpg"
)
fi
__check_url_arr "${repo_arr[@]}"
local ret_code=$?
@@ -155,17 +132,6 @@ __check_url_arr() {
return $ret_code
}
preflight_prereqs() {
local ret_code=0
if [[ $OS == 'centos' ]]; then
: # no-op to match structure of other checks for $OS var
else
retry 150 10 "apt-get -y install curl" >> "$preflight_log" 2>&1 || ret_code=1
fi
return $ret_code
}
main() {
local intro_str="Beginning pre-flight checks."
@@ -183,7 +149,6 @@ main() {
fi
check_default_repos &&\
preflight_prereqs &&\
check_new_repos &&\
check_misc_urls