130 lines
2.2 KiB
Bash
Executable file
130 lines
2.2 KiB
Bash
Executable file
#!/usr/bin/env bash
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CMDFILE="$1"
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if [ -z "$CMDFILE" ] || [ ! -f "$CMDFILE" ]; then
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echo "sshtool is not meant to be called on its own."
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echo "See scripts that use it (e.g. deploy_nixos) for usage examples."
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exit 1
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fi
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shift 1
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cd $(dirname $CMDFILE)
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CMDFILE=./$(basename $CMDFILE)
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CLUSTER="$1"
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if [ -z "$CLUSTER" ] || [ ! -d "cluster/$CLUSTER" ]; then
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echo "Usage: $CMDFILE <cluster name>"
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echo "The cluster name must be the name of a subdirectory of cluster/"
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exit 1
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fi
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shift 1
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if [ -z "$1" ]; then
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NIXHOSTLIST=$(ls cluster/$CLUSTER/node | grep '\.nix$' | grep -v '\.site\.')
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else
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NIXHOSTLIST="$@"
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fi
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if [ -z "$ROOT_PASS" ]; then
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read -s -p "Enter remote sudo password: " ROOT_PASS
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echo
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fi
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SSH_CONFIG=cluster/$CLUSTER/ssh_config
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function header {
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cat <<EOF
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export DEPLOYTOOL_ROOT_PASSWORD="$ROOT_PASS"
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cat > /tmp/deploytool_askpass <<EOG
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#!/usr/bin/env sh
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echo "\$DEPLOYTOOL_ROOT_PASSWORD"
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EOG
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chmod +x /tmp/deploytool_askpass
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export SUDO_ASKPASS=/tmp/deploytool_askpass
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sudo -A sh - <<'EOEVERYTHING'
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set -e
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EOF
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}
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function footer {
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echo EOEVERYTHING
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echo rm /tmp/deploytool_askpass
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}
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function message {
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echo "base64 -d <<EOG"
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echo "$@" | base64
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echo "EOG"
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}
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function cmd {
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echo "echo '- run $@'"
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echo "$@"
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}
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function set_env {
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echo "echo '- set $@'"
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echo "export $@"
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}
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function copy {
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local FROM=$1
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local TO=$2
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cat <<EOF
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echo '- write $TO from $FROM'
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base64 -d <<EOG | tee $TO > /dev/null
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$(base64 <$FROM)
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EOG
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EOF
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}
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function copy_secret {
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local FROM=$1
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local TO=$2
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cat <<EOF
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echo '- write secret $TO from $FROM'
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base64 -d <<EOG | tee $TO > /dev/null
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$(base64 <$FROM)
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EOG
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chown root:root $TO
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chmod 0600 $TO
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EOF
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}
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function write_pass {
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local PASSKEY=$1
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local TO=$2
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cat <<EOF
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echo '- write secret $TO from pass $PASSKEY'
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base64 -d <<EOG | tee $TO > /dev/null
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$(pass $PASSKEY | base64)
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EOG
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chown root:root $TO
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chmod 0600 $TO
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EOF
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}
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function pipe_pass {
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local PASSKEY=$1
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local CMD=$2
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cat <<EOF
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echo '- pipe secret $PASSKEY to command $CMD'
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base64 -d <<EOG | $CMD > /dev/null
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$(pass $PASSKEY | base64)
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EOG
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EOF
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}
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for NIXHOST in $NIXHOSTLIST; do
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NIXHOST=${NIXHOST%.*}
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if [ -z "$SSH_USER" ]; then
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SSH_DEST=$NIXHOST
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else
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SSH_DEST=$SSH_USER@$NIXHOST
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fi
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echo "==== DOING $NIXHOST ===="
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(header; . $CMDFILE; footer) | ssh -F $SSH_CONFIG $SSH_DEST sh -
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done
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