Merge pull request #3596 from pi-hole/tweak/wherecheck

Wrap entire function in the check for the ENVVAR, add `ns1.pi-hole.net` to `dig` check.
This commit is contained in:
Dan Schaper 2020-07-27 10:01:14 -07:00 committed by GitHub
commit dffb58ae8f
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@ -175,58 +175,64 @@ is_command() {
}
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 display_warning
remote_os_domain="versions.pi-hole.net"
valid_os=false
valid_version=false
display_warning=true
if [ "$PIHOLE_SKIP_OS_CHECK" != true ]; then
# This function gets a list of supported OS versions from a TXT record at versions.pi-hole.net
# and determines whether or not the script is running on one of those systems
local remote_os_domain valid_os valid_version detected_os_pretty detected_os detected_version display_warning
remote_os_domain="versions.pi-hole.net"
valid_os=false
valid_version=false
display_warning=true
detected_os_pretty=$(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 '"')
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 '"')
IFS=" " read -r -a supportedOS < <(dig +short -t txt ${remote_os_domain} | tr -d '"')
IFS=" " read -r -a supportedOS < <(dig +short -t txt ${remote_os_domain} @ns1.pi-hole.net | tr -d '"')
for i in "${supportedOS[@]}"
do
os_part=$(echo "$i" | cut -d '=' -f1)
versions_part=$(echo "$i" | cut -d '=' -f2-)
for i in "${supportedOS[@]}"
do
os_part=$(echo "$i" | cut -d '=' -f1)
versions_part=$(echo "$i" | cut -d '=' -f2-)
if [[ "${detected_os}" =~ ${os_part} ]]; then
valid_os=true
IFS="," read -r -a supportedVer <<<"${versions_part}"
for x in "${supportedVer[@]}"
do
if [[ "${detected_version}" =~ $x ]];then
valid_version=true
break
if [[ "${detected_os}" =~ ${os_part} ]]; then
valid_os=true
IFS="," read -r -a supportedVer <<<"${versions_part}"
for x in "${supportedVer[@]}"
do
if [[ "${detected_version}" =~ $x ]];then
valid_version=true
break
fi
done
break
fi
done
break
done
if [ "$valid_os" = true ] && [ "$valid_version" = true ]; then
display_warning=false
fi
done
if [ "$valid_os" = true ] && [ "$valid_version" = true ]; then
display_warning=false
fi
if [ "$display_warning" = true ]; then
printf " %b %bUnsupported OS detected%b\\n" "${CROSS}" "${COL_LIGHT_RED}" "${COL_NC}"
printf " https://docs.pi-hole.net/main/prerequesites/#supported-operating-systems\\n"
printf "\\n"
printf " e.g: If you are seeing this message on a fresh install, you can run:\\n"
printf " 'curl -sSL https://install.pi-hole.net | PIHOLE_SKIP_OS_CHECK=true sudo -E bash'\\n"
printf "\\n"
printf " If you are seeing this message after having run pihole -up:\\n"
printf " 'PIHOLE_SKIP_OS_CHECK=true sudo -E pihole -r'\\n"
printf " (In this case, your previous run of pihole -up will have already updated the local repository)\\n"
printf "\\n"
printf " If that is the case, you can feel free to ask the community on Discourse with the %bCommunity Help%b category:\\n" "${COL_LIGHT_RED}" "${COL_NC}"
printf " https://discourse.pi-hole.net/c/bugs-problems-issues/community-help/\\n"
exit 1
if [ "$display_warning" = true ] && [ "$PIHOLE_SKIP_OS_CHECK" != true ]; then
printf " %b %bUnsupported OS detected%b\\n" "${CROSS}" "${COL_LIGHT_RED}" "${COL_NC}"
printf " https://docs.pi-hole.net/main/prerequesites/#supported-operating-systems\\n"
printf "\\n"
printf " This check can be skipped by setting the environment variable %bPIHOLE_SKIP_OS_CHECK%b to %btrue%b\\n" "${COL_LIGHT_RED}" "${COL_NC}" "${COL_LIGHT_RED}" "${COL_NC}"
printf " e.g: 'sudo PIHOLE_SKIP_OS_CHECK=true curl -sSL https://install.pi-hole.net | bash'\\n"
printf " or 'sudo PIHOLE_SKIP_OS_CHECK=true pihole -up'\\n"
printf " By setting this variable to true you acknowledge there may be issues with Pi-hole during or after the install\\n"
printf " If that is the case, you can feel free to ask the community on Discourse with the %bCommunity Help%b category:\\n" "${COL_LIGHT_RED}" "${COL_NC}"
printf " https://discourse.pi-hole.net/c/bugs-problems-issues/community-help/\\n"
exit 1
elif [ "$display_warning" = true ] && [ "$PIHOLE_SKIP_OS_CHECK" = true ]; then
printf " %b %bUnsupported OS detected%b. PIHOLE_SKIP_OS_CHECK env variable set to true - installer will continue\\n" "${INFO}" "${COL_LIGHT_RED}" "${COL_NC}"
else
printf " %b %bSupported OS detected%b\\n" "${TICK}" "${COL_LIGHT_GREEN}" "${COL_NC}"
fi
else
printf " %b %bSupported OS detected%b\\n" "${TICK}" "${COL_LIGHT_GREEN}" "${COL_NC}"
printf " %b %bPIHOLE_SKIP_OS_CHECK env variable set to true - installer will continue%b\\n" "${INFO}" "${COL_LIGHT_GREEN}" "${COL_NC}"
fi
}