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Merge pull request #3698 from yubiuser/remove/FreeSpaceCheck

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Remove check for free disk space and associated variables
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Adam Warner 2020-09-21 08:47:41 +01:00 committed by GitHub
commit d6c4f0696f
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1 changed files with 0 additions and 56 deletions
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automated install/basic-install.sh
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@ -111,7 +111,6 @@ c=$(( c < 70 ? 70 : c ))
######## Undocumented Flags. Shhh ######## ######## Undocumented Flags. Shhh ########
# These are undocumented flags; some of which we can use when repairing an installation # These are undocumented flags; some of which we can use when repairing an installation
# The runUnattended flag is one example of this # The runUnattended flag is one example of this
skipSpaceCheck=false
reconfigure=false reconfigure=false
runUnattended=false runUnattended=false
INSTALL_WEB_SERVER=true INSTALL_WEB_SERVER=true
@ -119,7 +118,6 @@ INSTALL_WEB_SERVER=true
for var in "$@"; do for var in "$@"; do
case "$var" in case "$var" in
"--reconfigure" ) reconfigure=true;; "--reconfigure" ) reconfigure=true;;
"--i_do_not_follow_recommendations" ) skipSpaceCheck=true;;
"--unattended" ) runUnattended=true;; "--unattended" ) runUnattended=true;;
"--disable-install-webserver" ) INSTALL_WEB_SERVER=false;; "--disable-install-webserver" ) INSTALL_WEB_SERVER=false;;
esac esac
@ -687,53 +685,6 @@ welcomeDialogs() {
In the next section, you can choose to use your current network settings (DHCP) or to manually edit them." "${r}" "${c}" In the next section, you can choose to use your current network settings (DHCP) or to manually edit them." "${r}" "${c}"
} }
# We need to make sure there is enough space before installing, so there is a function to check this
verifyFreeDiskSpace() {
# 50MB is the minimum space needed (45MB install (includes web admin bootstrap/jquery libraries etc) + 5MB one day of logs.)
# - Fourdee: Local ensures the variable is only created, and accessible within this function/void. Generally considered a "good" coding practice for non-global variables.
local str="Disk space check"
# Required space in KB
local required_free_kilobytes=51200
# Calculate existing free space on this machine
local existing_free_kilobytes
existing_free_kilobytes=$(df -Pk | grep -m1 '\/$' | awk '{print $4}')
# If the existing space is not an integer,
if ! [[ "${existing_free_kilobytes}" =~ ^([0-9])+$ ]]; then
# show an error that we can't determine the free space
printf " %b %s\\n" "${CROSS}" "${str}"
printf " %b Unknown free disk space! \\n" "${INFO}"
printf " We were unable to determine available free disk space on this system.\\n"
printf " You may override this check, however, it is not recommended.\\n"
printf " The option '%b--i_do_not_follow_recommendations%b' can override this.\\n" "${COL_LIGHT_RED}" "${COL_NC}"
printf " e.g: curl -sSL https://install.pi-hole.net | bash /dev/stdin %b<option>%b\\n" "${COL_LIGHT_RED}" "${COL_NC}"
# exit with an error code
exit 1
# If there is insufficient free disk space,
elif [[ "${existing_free_kilobytes}" -lt "${required_free_kilobytes}" ]]; then
# show an error message
printf " %b %s\\n" "${CROSS}" "${str}"
printf " %b Your system disk appears to only have %s KB free\\n" "${INFO}" "${existing_free_kilobytes}"
printf " It is recommended to have a minimum of %s KB to run the Pi-hole\\n" "${required_free_kilobytes}"
# if the vcgencmd command exists,
if is_command vcgencmd ; then
# it's probably a Raspbian install, so show a message about expanding the filesystem
printf " If this is a new install you may need to expand your disk\\n"
printf " Run 'sudo raspi-config', and choose the 'expand file system' option\\n"
printf " After rebooting, run this installation again\\n"
printf " e.g: curl -sSL https://install.pi-hole.net | bash\\n"
fi
# Show there is not enough free space
printf "\\n %bInsufficient free space, exiting...%b\\n" "${COL_LIGHT_RED}" "${COL_NC}"
# and exit with an error
exit 1
# Otherwise,
else
# Show that we're running a disk space check
printf " %b %s\\n" "${TICK}" "${str}"
fi
}
# A function that let's the user pick an interface to use with Pi-hole # A function that let's the user pick an interface to use with Pi-hole
chooseInterface() { chooseInterface() {
# Turn the available interfaces into an array so it can be used with a whiptail dialog # Turn the available interfaces into an array so it can be used with a whiptail dialog
@ -2693,13 +2644,6 @@ main() {
fi fi
# Start the installer # Start the installer
# Verify there is enough disk space for the install
if [[ "${skipSpaceCheck}" == true ]]; then
printf " %b Skipping free disk space verification\\n" "${INFO}"
else
verifyFreeDiskSpace
fi
# Notify user of package availability # Notify user of package availability
notify_package_updates_available notify_package_updates_available