Simplify OS support checks
This branch of a2server only supports jessie and above, either Raspbian or Debian. While I was at it, I simplified the tests for what is and is not a supported OS. If there are bad kernels or firmwares we need to work around those should be fixes. This also means giving the user an option to interrupt the installation if they are trying to install on a Debian(ish) system that is too old or (more likely) too new. At least ivan.sh is now using a2cloud's system_ident script.
This commit is contained in:
T. Joseph Carter
parent
a033151c66
commit
5010a496e6
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@ -0,0 +1,44 @@
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#! /bin/bash
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# vim: set tabstop=4 shiftwidth=4 noexpandtab filetype=sh:
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# system_ident - identify your system for raspple2 if needed
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#
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# To the extent possible under law, T. Joseph Carter and Ivan Drucker have
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# waived all copyright and related or neighboring rights to the a2server
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# scripts themselves. Software used or installed by these scripts is subject
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# to other licenses. This work is published from the United States.
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if [[ -z $ras2_os || -z $ras2_arch ]]; then
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ras2_os="unknown"
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if hash lsb_release 2>/dev/null; then
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if [[ -f /usr/bin/raspi-config ]]; then
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ras2_os="rpi-$(lsb_release -cs)"
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else
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case "$(lsb_release -is)" in
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Debian)
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ras2_os="debian-$(lsb_release -cs)"
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;;
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*)
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printf "\nUnknown OS with lsb_release\n"
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lsb_release -a
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;;
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esac
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fi
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else
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uname_s="$(uname -s)"
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case "$uname_s" in
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Darwin)
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ras2_os="$uname_s"
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;;
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*)
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printf "\nUnknown OS with uname -s\n$uname_s\n"
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;;
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esac
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fi
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ras2_arch="$(uname -m)"
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export ras2_os ras2_arch
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fi
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if [[ $1 != -q ]]; then
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printf "ras2_os=\"%s\"\nras2_arch=\"%s\"\n" "$ras2_os" "$ras2_arch"
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fi
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@ -16,22 +16,14 @@ if [[ ! -f "$top_src/.a2server_source" ]]; then
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exit 1
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fi
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# Make sure ras2_{os,arch} get set
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. "$top_src/scripts/system_ident" -q
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# This is now in install.sh, get it from there
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a2serverVersion=$(grep '^a2serverVersion' "$top_src/install.sh" | cut -d '"' -f 2)
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compare_version="$top_src/scripts/compare_version"
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isRpi=
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[[ -f /usr/bin/raspi-config ]] && isRpi=1
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isDebian=
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if [[ "$(lsb_release -ds)" = Debian* ]]; then
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debianVersion="$(lsb_release -rs)"
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if [[ "$debianVersion" -ge 7 || $debianVersion == [a-z]* ]]; then
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isDebian=1
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fi
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fi
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if [[ -f /usr/local/etc/A2SERVER-version ]]; then
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read installedVersion </usr/local/etc/A2SERVER-version
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if [[ $installedVersion != *.*.* ]]; then
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@ -116,41 +108,27 @@ if [[ "$installedVersion" != "0" ]] && "$compare_version" $installedVersion lt 1
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fi
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unsupportedOS=1
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if [[ $isRpi ]]; then #supported Raspbian? (16-Feb-15, 20-Jun-14, 09-Jan-14, etc)
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fwhash=$(zcat /usr/share/doc/raspberrypi-bootloader/changelog.Debian.gz | grep -m 1 'as of' | awk '{print $NF}')
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fwsupported="-8aca5762- -462f3e3f476f7b6- -c32bc633039cd9- -9d34d0475f9-
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-d4f5315cfac4e- -6f4a90c8cb8817f- -5dd9b4962e- -17c8799375-
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-960832a6c2590635216c296b6ee0bebf67b21d50-
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-2a329e0c7d8ea19c085bac5633aa4fccee0f21be-
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-b2420fc150ae4616f5d9ec24bdaedc630586a529-"
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if [[ "$fwsupported" == *-$fwhash-* ]]; then
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unsupportedOS=
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if [[ $ras2_os == debian-* || $ras2_os == rpi-* ]]; then
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read debianVersion < /etc/debian_version
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if [[ $debianVersion == *.* ]]; then
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if (( ${debianVersion%.*} >= 8 && ${debianVersion%.*} < 10 )); then
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unsupportedOS=
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fi
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fi
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elif [[ $isDebian ]]; then # supported Debian?
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debianVersion=$(cat /etc/debian_version)
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debianSupported="-9.2- -8.2- -7.9- -7.8- -7.6- -7.3-"
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[[ $debianSupported == *-$debianVersion-* ]] && unsupportedOS=
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fi
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if [[ $unsupportedOS && $isRpi ]]; then
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echo
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echo "A2SERVER and its installer scripts have been tested on Raspbian Wheezy,"
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echo "Jessie, and Stretch though not this specific firmware version"
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echo "(${fwhash:0:7}). Just FYI."
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unsupportedOS=
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elif [[ $unsupportedOS && $isDebian ]]; then
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echo
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echo "A2SERVER and its installer scripts have been tested on Debian 7/8/9,"
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echo "though not this specific point release ($debianVersion). Just FYI."
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unsupportedOS=
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fi
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if [[ $unsupportedOS ]]; then
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echo
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echo "WARNING: A2SERVER and its installer scripts have only been tested on"
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echo "Debian and Raspbian. Continuing is probably fine, but might not be."
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echo "Theoretical worst case would be your operating system no longer works"
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echo "properly or data is lost, so consider backing up first."
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cat <<-EOF
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WARNING: A2SERVER and its installer scripts have only been tested on
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Debian and Raspbian wheezy, jessie, and stretch. It may work with later
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versions, but it might not. The theoretical worst case would be an OS
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image that no longer works correctly or lost data, so you might want to
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press ctrl-c here. Otherwise press Return.
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Detected system: $ras2_os ($ras2_arch)
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EOF
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read
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fi
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doSetup=1
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