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populate_chroot: set of scripts to make bento
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 1,2 @@ | ||
| CHROOT_DIR=/home/chroot | ||
| REMOTE_IP=myserver.example |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 1,109 @@ | ||
| #!/bin/sh | ||
|
|
||
| if test -f config.sh | ||
| then | ||
| . ./config.sh | ||
| else | ||
| echo "You are missing config.sh" | ||
| exit 2 | ||
| fi | ||
|
|
||
| if [ "$(id -u)" -ne 0 ] | ||
| then | ||
| echo "you need to be root to run this script" | ||
| exit 1 | ||
| fi | ||
|
|
||
| cd hosts | ||
| # load all hosts or the one defined in environment variable NAME | ||
| if [ -z "$NAME" ] | ||
| then | ||
| NAME=* | ||
| fi | ||
|
|
||
| for i in $NAME | ||
| do | ||
| echo "Copying $i" | ||
|
|
||
| # we only want directories | ||
| if [ -d "$i" ] | ||
| then | ||
|
|
||
| # create the script that will check for updates | ||
| cat > "$i/update.sh" <<EOF | ||
| #!/bin/sh | ||
| set -e | ||
| install -d -o root -g root -m 700 /var/bento | ||
| cd /var/bento | ||
| touch .state | ||
| STATE="\$(echo "ls -l last_change_date" | sftp ${i}@${REMOTE_IP})" | ||
| CURRENT_STATE="\$(cat /var/bento/.state)" | ||
| if [ "\$STATE" = "\$CURRENT_STATE" ] | ||
| then | ||
| echo "no update required" | ||
| else | ||
| echo "update required" | ||
| sftp ${i}@${REMOTE_IP}:/bootstrap.sh . | ||
| /bin/sh bootstrap.sh | ||
| echo "\$STATE" > /var/bento/.state | ||
| fi | ||
| EOF | ||
|
|
||
| # script used to download changes and rebuild | ||
| # also used to run it manually the first time to configure the system | ||
| cat > "$i/bootstrap.sh" <<EOF | ||
| #!/bin/sh | ||
| set -e | ||
| install -d -o root -g root -m 700 /var/bento | ||
| cd /var/bento | ||
| sftp -r ${i}@${REMOTE_IP}:/ . | ||
| # for flakes | ||
| test -d .git || git init | ||
| git add . | ||
| # check the current build if it exists | ||
| if test -L result | ||
| then | ||
| RESULT="\$(readlink -f result)" | ||
| fi | ||
| if test -f flake.nix | ||
| then | ||
| nixos-rebuild build --flake .#bento-machine | ||
| if [ ! "\${RESULT}" = "\$(readlink -f result)" ] | ||
| then | ||
| nixos-rebuild switch --flake .#bento-machine | ||
| fi | ||
| else | ||
| nixos-rebuild build --no-flake -I nixos-config=./configuration.nix --upgrade | ||
| if [ ! "\${RESULT}" = "\$(readlink -f result)" ] | ||
| then | ||
| nixos-rebuild switch --no-flake -I nixos-config=./configuration.nix --upgrade | ||
| fi | ||
| fi | ||
| EOF | ||
|
|
||
| # to make flakes using caching, we must avoid repositories to change everytime | ||
| # we must ignore files that change everytime | ||
| cat > "$i/.gitignore" <<EOF | ||
| bootstrap.sh | ||
| update.sh | ||
| .state | ||
| result | ||
| last_change_date | ||
| EOF | ||
|
|
||
| # copy files in the chroot | ||
| rsync --delete -avL "$i/" "${CHROOT_DIR}/${i}/" | ||
|
|
||
| # sftp chroot requires the home directory to be owned by root | ||
| install -d -o root -g root -m 755 "${CHROOT_DIR}/${i}" | ||
| touch "${CHROOT_DIR}/${i}/last_change_date" | ||
| fi | ||
| done |