avoid future errors with overwriting symlnks

[automated-distro-installer] / fai-redep

diff --git a/fai-redep b/fai-redep
index 0c234597b34e5515de5113fc0aac9c1e5fe63551..ad913a228a81e0a40ca1c00ed380b2124936bb1d 100755 (executable)
--- a/fai-redep
+++ b/fai-redep
@@ -5,29 +5,30 @@ set -x
 # then start a virtual machine to test the config.
 
 set -eE -o pipefail
-trap 'echo "$0:$LINENO:error: \"$BASH_COMMAND\" returned $?"' ERR
+trap 'echo "$0:$LINENO:error: \"$BASH_COMMAND\" returned $?" >&2' ERR
 
 cd $(dirname $(readlink -f "$BASH_SOURCE"))
 
-ssh root@faiserver rm -rf /srv/fai/config
-scp -r fai/config root@faiserver:/srv/fai
-# fai example pass: fai
-#ROOTPW='$1$kBnWcO.E$djxB128U7dMkrltJHPf6d1'
-
-# generating a hashed password:
-# under debian, you can do
-# echo "yoursecrectpassword" | mkpasswd -m sha-512 -s
-# On arch, best seems to be copy your shadow file to a temp location,
-# then passwd, get out the new pass, then copy the shadow file back.
-ssh root@faiserver tee -a /srv/fai/config/class/DEFAULT.var <<EOF
-ROOTPW='$(cat /p/shadow/standard)'
-EOF
-ssh root@faiserver tee -a /srv/fai/config/class/tp.var <<EOF
-ROOTPW='$(cat /p/shadow/traci-simple)'
-EOF
+
+# i use faiserver as a dns alias, but ssh key is associated with
+# a canonical hostname and we will have ssh warning spam unless we
+# use it, so look it up just to avoid the warning spam.
+faiserver_host=$(chost faiserver) || faiserver_host=faiserver
+
+
+ssh root@$faiserver_host rm -rf /srv/fai/config
+scp -r fai/config root@$faiserver_host:/srv/fai
+
 
 scp ~/.ssh/id_rsa.pub \
-    root@faiserver:/srv/fai/config/files/home/ian/.ssh/authorized_keys/GRUB_PC
-s scp -r /q/root/luks /p/shadow/traci{,-simple} \
-  root@faiserver:/srv/fai/config/distro-install-common
-ssh root@faiserver chmod -R a+rX /srv/fai/config/distro-install-common
+    root@$faiserver_host:/srv/fai/config/files/home/ian/.ssh/authorized_keys/GRUB_PC
+# todo: automatically disable faiserver after a period so
+# these files are not exposed.
+s scp -r /q/root/luks /q/root/shadow \
+  root@$faiserver_host:/srv/fai/config/distro-install-common
+scp /a/bin/devbyid root@$faiserver_host:/srv/fai/nfsroot/usr/local/bin
+ssh root@$faiserver_host bash <<'EOF'
+set -eE -o pipefail
+chmod 644 /srv/fai/config/files/home/ian/.ssh/authorized_keys/GRUB_PC
+chmod -R a+rX /srv/fai/config/distro-install-common
+EOF