setup crontab, database; regen ssh keys and setup grub

TODO

@@ -1,9 +1,7 @@
-- nilmdb crontab
 - terminal, browser on desktop
 - theme: style "Clearlooks", icons "elementary Xfce"
 - nilmdb wallpaper, was "xubuntu-quantal.png"
 - preseed username, password, login automatically?
 - disable 13.04 upgrade notification?
 - precreate database and streams
-- maybe get rid of splash+quiet in installed image?
 - try xubuntu 13.04

customize-inner.sh

@@ -73,7 +73,8 @@ apt-get -y install \
     subversion \
     dlocate \
     ack-grep \
-    mutt
+    mutt \
+    openssh-server
 
 # Set up timezone to America/New_York for the live CD
 echo America/New_York > /etc/timezone
@@ -164,6 +165,22 @@ keep = 1y
 decimated = false
 EOF
 
+# Set up crontab
+cat > /home/nilmdb/crontab <<"EOF"
+SHELL=/bin/bash
+PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
+
+# Run capture and processing scripts every 5 minutes
+*/5 * * * * chronic /home/nilmdb/capture.sh
+*/5 * * * * chronic /home/nilmdb/process.sh
+
+# Try to run nilmdb-fsck on boot.  It should hopefully run before
+# apache opens the database, and apache will return errors to clients
+# until nilmdb-fsck is done.
+@reboot chronic nilmdb-fsck --fix --no-data /home/nilmdb/db
+EOF
+crontab -u nilmdb /home/nilmdb/crontab
+
 # Fix permissions
 chown -R nilmdb:nilmdb /home/nilmdb
 chmod +x /home/nilmdb/{capture,process}.sh
@@ -188,3 +205,18 @@ done
 
 # fix up all permissions in git dir, so nilmdb user can play with it later
 chown -R nilmdb:nilmdb /home/nilmdb/git
+
+# Create the initial database and streams by running the standalone
+# server as nilmdb, making the right nilmtool calls, and killing it.
+sudo -i -u nilmdb nilmdb-server -a 127.0.0.1 -p 18646 &
+SERVER=$!
+sleep 1
+nilmtool -u http://127.0.0.1:18646/ destroy -R "/data/*" || true
+nilmtool -u http://127.0.0.1:18646/ create /data/raw uint16_6
+nilmtool -u http://127.0.0.1:18646/ create /data/sinefit float32_3
+nilmtool -u http://127.0.0.1:18646/ create /data/prep-a float32_8
+nilmtool -u http://127.0.0.1:18646/ create /data/prep-b float32_8
+nilmtool -u http://127.0.0.1:18646/ create /data/prep-c float32_8
+kill $!
+sleep 1
+kill -9 $! || true

customize.sh

@@ -5,7 +5,7 @@ set -e
 set -x
 
 # Customize the outer ISO image
-perl -p -i -e \
+sed -i -e \
     "s/DISKNAME.*/DISKNAME  NilmDBuntu $VERSION by Jim Paris/" \
     ${ISO}/README.diskdefines
 
@@ -13,16 +13,23 @@ perl -p -i -e \
 # out the distro name in dialogs, and I think casper might use it too
 echo "NilmDBuntu $VERSION by Jim Paris" > ${ISO}/.disk/info
 
-# Include openssh server at install time.  Can't include it in the
-# image, because then we'd share keys on all machines, I think.
+# Set up preseed file
 cp ${ISO}/preseed/xubuntu.seed ${ISO}/preseed/nilmdbuntu.seed
-cat >> ${ISO}/preseed/nilmdbuntu.seed <<EOF
-d-i pkgsel/include string openssh-server
+cat >> ${ISO}/preseed/nilmdbuntu.seed <<"EOF"
+# Late commands:
+# - Regenerate SSH host keys
+# - Remove "quiet splash" from grub command line
+d-i preseed/late_command string \
+    in-target rm /etc/ssh/ssh_host_*; \
+    in-target dpkg-reconfigure openssh-server; \
+    in-target sed -i 's/quiet splash//g' /etc/default/grub; \
+    in-target update-grub; \
+    echo "done"
 EOF
 
 # Rename Xubuntu to NilmDBuntu in boot scripts; also changes
 # preseed file to the custom one
-perl -p -i \
+sed -i \
     -e "s/Xubuntu/NilmDBuntu/g;" \
     -e "s/Kubuntu/NilmDBuntu/g;" \
     -e "s/Ubuntu/NilmDBuntu/g;" \
@@ -33,7 +40,7 @@ perl -p -i \
 
 # Remove quiet and splash from boot command lines.  Easier than a
 # custom plymouth theme and it's helpful.
-perl -p -i -e "s/ quiet splash//g;" \
+sed -i -e "s/ quiet splash//g;" \
     ${ISO}/isolinux/txt.cfg ${ISO}/boot/grub/{grub,loopback}.cfg
 
 # Run the customize-inner.sh script inside the chroot