mirror of
https://github.com/pi-hole/pi-hole.git
synced 2024-11-15 02:42:58 +00:00
Improve detection and display of supported/unsupported OS in debug script
Signed-off-by: Adam Warner <me@adamwarner.co.uk>
This commit is contained in:
Adam Warner
parent
ee172cd6e9
commit
58724a38a9
2 changed files with 49 additions and 44 deletions
|
|
@ -393,53 +393,53 @@ check_critical_program_versions() {
|
|||
get_program_version "php"
|
||||
}
|
||||
|
||||
is_os_supported() {
|
||||
local os_to_check="${1}"
|
||||
# Strip just the base name of the system using sed
|
||||
# shellcheck disable=SC2001
|
||||
the_os=$(echo "${os_to_check}" | sed 's/ .*//')
|
||||
# If the variable is one of our supported OSes,
|
||||
case "${the_os}" in
|
||||
# Print it in green
|
||||
"Raspbian") log_write "${TICK} ${COL_GREEN}${os_to_check}${COL_NC}";;
|
||||
"Ubuntu") log_write "${TICK} ${COL_GREEN}${os_to_check}${COL_NC}";;
|
||||
"Fedora") log_write "${TICK} ${COL_GREEN}${os_to_check}${COL_NC}";;
|
||||
"Debian") log_write "${TICK} ${COL_GREEN}${os_to_check}${COL_NC}";;
|
||||
"CentOS") log_write "${TICK} ${COL_GREEN}${os_to_check}${COL_NC}";;
|
||||
# If not, show it in red and link to our software requirements page
|
||||
*) log_write "${CROSS} ${COL_RED}${os_to_check}${COL_NC} (${FAQ_HARDWARE_REQUIREMENTS})";
|
||||
esac
|
||||
}
|
||||
os_check() {
|
||||
# This function gets a list of supported OS versions from a TXT record at versions.pi-hole.net
|
||||
# and determines whether or not the script is running on one of those systems
|
||||
local remote_os_domain valid_os valid_version detected_os_pretty detected_os detected_version
|
||||
remote_os_domain="versions.pi-hole.net"
|
||||
valid_os=false
|
||||
valid_version=false
|
||||
|
||||
get_distro_attributes() {
|
||||
# Put the current Internal Field Separator into another variable so it can be restored later
|
||||
OLD_IFS="$IFS"
|
||||
# Store the distro info in an array and make it global since the OS won't change,
|
||||
# but we'll keep it within the function for better unit testing
|
||||
local distro_info
|
||||
#shellcheck disable=SC2016
|
||||
IFS=$'\r\n' command eval 'distro_info=( $(cat /etc/*release) )'
|
||||
detected_os_pretty=$(cat /etc/*release | grep PRETTY_NAME | cut -d '=' -f2- | tr -d '"')
|
||||
detected_os="${detected_os_pretty%% *}"
|
||||
detected_version=$(cat /etc/*release | grep VERSION_ID | cut -d '=' -f2- | tr -d '"')
|
||||
|
||||
# Set a named variable for better readability
|
||||
local distro_attribute
|
||||
# For each line found in an /etc/*release file,
|
||||
for distro_attribute in "${distro_info[@]}"; do
|
||||
# store the key in a variable
|
||||
local pretty_name_key
|
||||
pretty_name_key=$(echo "${distro_attribute}" | grep "PRETTY_NAME" | cut -d '=' -f1)
|
||||
# we need just the OS PRETTY_NAME,
|
||||
if [[ "${pretty_name_key}" == "PRETTY_NAME" ]]; then
|
||||
# so save in in a variable when we find it
|
||||
PRETTY_NAME_VALUE=$(echo "${distro_attribute}" | grep "PRETTY_NAME" | cut -d '=' -f2- | tr -d '"')
|
||||
# then pass it as an argument that checks if the OS is supported
|
||||
is_os_supported "${PRETTY_NAME_VALUE}"
|
||||
else
|
||||
# Since we only need the pretty name, we can just skip over anything that is not a match
|
||||
:
|
||||
mapfile -t supportedOS < <(dig +short -t txt ${remote_os_domain} | tr -d '"' | tr ' ' '\n')
|
||||
|
||||
for i in "${supportedOS[@]}"
|
||||
do
|
||||
os_part=$(echo "$i" | cut -d '=' -f1)
|
||||
versions_part=$(echo "$i" | cut -d '=' -f2-)
|
||||
|
||||
if [[ "${detected_os}" =~ ${os_part} ]]; then
|
||||
valid_os=true
|
||||
mapfile -t supportedVer < <(echo "${versions_part}" | tr ',' '\n')
|
||||
for x in "${supportedVer[@]}"
|
||||
do
|
||||
if [[ "${detected_version}" =~ $x ]];then
|
||||
valid_version=true
|
||||
break
|
||||
fi
|
||||
done
|
||||
# Set the IFS back to what it was
|
||||
IFS="$OLD_IFS"
|
||||
break
|
||||
fi
|
||||
done
|
||||
|
||||
# Display findings back to the user
|
||||
if [ "$valid_os" = true ]; then
|
||||
log_write "${TICK} Distro: ${COL_GREEN}${detected_os}${COL_NC}"
|
||||
|
||||
if [ "$valid_version" = true ]; then
|
||||
log_write "${TICK} Version: ${COL_GREEN}${detected_version}${COL_NC}"
|
||||
else
|
||||
log_write "${CROSS} Version: ${COL_RED}${detected_version}${COL_NC}"
|
||||
log_write "${CROSS} Error: ${COL_RED}${detected_os} is supported but version ${detected_version} is currently unsupported (${FAQ_HARDWARE_REQUIREMENTS})${COL_NC}"
|
||||
fi
|
||||
else
|
||||
log_write "${CROSS} Distro: ${COL_RED}${detected_os}${COL_NC}"
|
||||
log_write "${CROSS} Error: ${COL_RED}${detected_os} is not a supported distro (${FAQ_HARDWARE_REQUIREMENTS})${COL_NC}"
|
||||
fi
|
||||
}
|
||||
|
||||
diagnose_operating_system() {
|
||||
|
|
@ -451,7 +451,7 @@ diagnose_operating_system() {
|
|||
# If there is a /etc/*release file, it's probably a supported operating system, so we can
|
||||
if ls /etc/*release 1> /dev/null 2>&1; then
|
||||
# display the attributes to the user from the function made earlier
|
||||
get_distro_attributes
|
||||
os_check
|
||||
else
|
||||
# If it doesn't exist, it's not a system we currently support and link to FAQ
|
||||
log_write "${CROSS} ${COL_RED}${error_msg}${COL_NC} (${FAQ_HARDWARE_REQUIREMENTS})"
|
||||
|
|
|
|||
5
supportedos.txt
Normal file
5
supportedos.txt
Normal file
|
|
@ -0,0 +1,5 @@
|
|||
Raspbian=9,10
|
||||
Ubuntu=16,18
|
||||
Debian=9,10
|
||||
Fedora=31,32
|
||||
CentOS=7,8
|
||||
Loading…
Reference in a new issue