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https://github.com/elitak/nixos-infect
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commit
a025094b20
1 changed files with 24 additions and 22 deletions
46
nixos-infect
46
nixos-infect
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@ -21,7 +21,7 @@ makeConf() {
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networking.hostName = "$(hostname)";
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networking.firewall.allowPing = true;
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services.openssh.enable = true;
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users.users.root.openssh.authorizedKeys.keys = [$(for key in ${keys[@]}; do echo -n "
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users.users.root.openssh.authorizedKeys.keys = [$(for key in "${keys[@]}"; do echo -n "
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\"$key\""; done)
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];
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}
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@ -39,23 +39,23 @@ EOF
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# XXX It'd be better if we used procfs for all this...
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local IFS=$'\n'
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eth0_name=$(ip address show | grep '^2:' | awk -F': ' '{print $2}')
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eth0_ip4s=($(ip address show dev $eth0_name | grep 'inet ' | sed -r 's|.*inet ([0-9.]+)/([0-9]+).*|{ address="\1"; prefixLength=\2; }|'))
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eth0_ip6s=($(ip address show dev $eth0_name | grep 'inet6 ' | sed -r 's|.*inet6 ([0-9a-f:]+)/([0-9]+).*|{ address="\1"; prefixLength=\2; }|' || ''))
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gateway=($(ip route show dev $eth0_name | grep default | sed -r 's|default via ([0-9.]+).*|\1|'))
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ether0=($(ip address show dev $eth0_name | grep link/ether | sed -r 's|.*link/ether ([0-9a-f:]+) .*|\1|'))
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eth0_ip4s=$(ip address show dev "$eth0_name" | grep 'inet ' | sed -r 's|.*inet ([0-9.]+)/([0-9]+).*|{ address="\1"; prefixLength=\2; }|')
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eth0_ip6s=$(ip address show dev "$eth0_name" | grep 'inet6 ' | sed -r 's|.*inet6 ([0-9a-f:]+)/([0-9]+).*|{ address="\1"; prefixLength=\2; }|' || '')
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gateway=$(ip route show dev "$eth0_name" | grep default | sed -r 's|default via ([0-9.]+).*|\1|')
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ether0=$(ip address show dev "$eth0_name" | grep link/ether | sed -r 's|.*link/ether ([0-9a-f:]+) .*|\1|')
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eth1_name=$(ip address show | grep '^3:' | awk -F': ' '{print $2}')||true
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if [ -n "$eth1_name" ];then
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eth1_ip4s=($(ip address show dev $eth1_name | grep 'inet ' | sed -r 's|.*inet ([0-9.]+)/([0-9]+).*|{ address="\1"; prefixLength=\2; }|'))
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eth1_ip6s=($(ip address show dev $eth1_name | grep 'inet6 ' | sed -r 's|.*inet6 ([0-9a-f:]+)/([0-9]+).*|{ address="\1"; prefixLength=\2; }|' || ''))
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ether1=($(ip address show dev $eth1_name | grep link/ether | sed -r 's|.*link/ether ([0-9a-f:]+) .*|\1|'))
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gateway6=($(ip -6 route show dev $eth1_name | grep default | sed -r 's|default via ([0-9a-f:]+).*|\1|' || true))
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eth1_ip4s=$(ip address show dev "$eth1_name" | grep 'inet ' | sed -r 's|.*inet ([0-9.]+)/([0-9]+).*|{ address="\1"; prefixLength=\2; }|')
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eth1_ip6s=$(ip address show dev "$eth1_name" | grep 'inet6 ' | sed -r 's|.*inet6 ([0-9a-f:]+)/([0-9]+).*|{ address="\1"; prefixLength=\2; }|' || '')
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ether1=$(ip address show dev "$eth1_name" | grep link/ether | sed -r 's|.*link/ether ([0-9a-f:]+) .*|\1|')
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gateway6=$(ip -6 route show dev "$eth1_name" | grep default | sed -r 's|default via ([0-9a-f:]+).*|\1|' || true)
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interfaces1=<< EOF
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$eth1_name = {
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ip4 = [$(for a in ${eth1_ip4s[@]}; do echo -n "
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ip4 = [$(for a in "${eth1_ip4s[@]}"; do echo -n "
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$a"; done)
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];
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ip6 = [$(for a in ${eth1_ip6s[@]}; do echo -n "
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ip6 = [$(for a in "${eth1_ip6s[@]}"; do echo -n "
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$a"; done)
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];
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EOF
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@ -72,17 +72,17 @@ EOF
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# This file was populated at runtime with the networking
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# details gathered from the active system.
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networking = {
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nameservers = [$(for a in ${nameservers[@]}; do echo -n "
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nameservers = [$(for a in "${nameservers[@]}"; do echo -n "
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\"$a\""; done)
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];
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defaultGateway = "${gateway}";
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defaultGateway6 = "${gateway6}";
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interfaces = {
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$eth0_name = {
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ip4 = [$(for a in ${eth0_ip4s[@]}; do echo -n "
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ip4 = [$(for a in "${eth0_ip4s[@]}"; do echo -n "
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$a"; done)
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];
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ip6 = [$(for a in ${eth0_ip6s[@]}; do echo -n "
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ip6 = [$(for a in "${eth0_ip6s[@]}"; do echo -n "
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$a"; done)
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];
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};
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@ -112,18 +112,18 @@ EOF
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makeSwap() {
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# TODO check currently available swapspace first
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swapFile=`mktemp /tmp/nixos-infect.XXXXX.swp`
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dd if=/dev/zero of=$swapFile bs=1M count=$((1*1024))
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chmod 0600 $swapFile
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mkswap $swapFile
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swapon -v $swapFile
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swapFile=$(mktemp /tmp/nixos-infect.XXXXX.swp)
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dd if=/dev/zero "of=$swapFile" bs=1M count=$((1*1024))
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chmod 0600 "$swapFile"
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mkswap "$swapFile"
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swapon -v "$swapFile"
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}
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removeSwap() {
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for swapFile in /tmp/nixos-infect.*.swp
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do
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swapoff -v $swapFile
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rm -vf $swapFile
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swapoff -v "$swapFile"
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rm -vf "$swapFile"
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done
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}
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@ -163,6 +163,7 @@ prepareEnv() {
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# Nix installer tries to use sudo regardless of whether we're already uid 0
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#which sudo || { sudo() { eval "$@"; }; export -f sudo; }
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# shellcheck disable=SC2174
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mkdir -p -m 0755 /nix
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}
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@ -192,13 +193,14 @@ infect() {
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# Add nix build users
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# FIXME run only if necessary, rather than defaulting true
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groupadd nixbld -g 30000 || true
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for i in {1..10}; do useradd -c "Nix build user $i" -d /var/empty -g nixbld -G nixbld -M -N -r -s $(which nologin) nixbld$i || true; done
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for i in {1..10}; do useradd -c "Nix build user $i" -d /var/empty -g nixbld -G nixbld -M -N -r -s "$(which nologin)" nixbld$i || true; done
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# TODO use addgroup and adduser as fallbacks
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#addgroup nixbld -g 30000 || true
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#for i in {1..10}; do adduser -DH -G nixbld nixbld$i || true; done
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curl https://nixos.org/nix/install | $SHELL
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# shellcheck disable=SC1090
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source ~/.nix-profile/etc/profile.d/nix.sh
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[[ -z "$NIX_CHANNEL" ]] && NIX_CHANNEL="nixos-17.03"
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