Add grafana server, borg tweaklets

source/resources/apps/borg/forksand-borg-create

@@ -4,7 +4,7 @@
 # GPLv3
 set -x
 
-export MASTERDIR=/
+export MASTERDIRS="/etc /home /opt /root /srv /usr/local /var"
 export BORG_REPO="BACKUPS/borg/`hostname`"
 export BORG_SERVER="user@host"
 export BORG_PASSPHRASE="`cat /root/.borgpw`"
@@ -30,12 +30,16 @@ borg create								\
 	--verbose							\
 	--stats								\
 	--progress							\
+	--compression none						\
+	--exclude-caches						\
+	--exclude '/home/*/.cache/*'					\
+	--exclude '/var/cache/*'					\
+	--exclude '/var/tmp/*'						\
 	$BORG_SERVER:$BORG_REPO::$NOW					\
-	$MASTERDIR
+	$MASTERDIRS
 
 #	--list
 #	--exclude
 #	--one-file-system
 #	--numeric-owner
-#	--compression
 #	--dry-run

source/resources/apps/borg/forksand-borg-init

@@ -34,6 +34,8 @@ ssh $BORG_SERVER "mkdir -p $BORG_REPO"
 
 borg init								\
 	--verbose							\
-	--encryption=keyfile						\
+	--encryption=keyfile-blake2					\
 	$BORG_SERVER:$BORG_REPO
 
+# --append-only
+

source/resources/apps/grafana/forksand-grafana

@@ -0,0 +1,62 @@
+#!/bin/bash
+
+exit 0
+
+echo 'deb http://packagecloud.io/grafana/stable/debian/ stretch main' >> /etc/apt/sources.list
+
+curl https://packagecloud.io/gpg.key | sudo apt-key add -
+
+apt update
+apt-get -y install apt install grafana
+
+systemctl daemon-reload
+systemctl enable grafana-server
+systemctl start grafana-server
+
+# Set up pen
+# To run manually:
+apt-get -y install pen mariadb-client
+useradd pen
+echo "d /var/run/pen 0755 pen pen -" > /etc/tmpfiles.d/pen.conf
+systemd-tmpfiles --create
+
+mkdir -p /etc/pen
+cat > /etc/pen/galera.cfg <<EOF
+server 0 address 10.42.1.171 port 3306
+server 2 address 10.42.1.172 port 3306
+server 3 address 10.42.1.173 port 3306
+server 4 address 10.42.1.174 port 3306
+debug 1
+EOF
+
+cat > /lib/systemd/system/pen-galera.service <<EOF
+[Unit]
+Description=Pen load balancer (galera)
+After=network.target
+
+[Service]
+User=pen
+Type=forking
+PIDFile=/var/run/pen/galera.pid
+ExecStart=/usr/bin/pen -u pen -C /var/run/pen/galera.ctl -F /etc/pen/galera.cfg -p /var/run/pen/galera.pid 127.0.0.1:3306
+Restart=on-failure
+
+[Install]
+WantedBy=multi-user.target
+EOF
+
+systemctl restart pen-galera
+systemctl enable pen-galera.service
+
+# Set up mysql
+# In database, to store grafana data:
+CREATE DATABASE grafana CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci;
+CREATE USER 'grafana'@'10.42.1.111' IDENTIFIED BY 'password';
+GRANT ALL PRIVILEGES ON grafana.* TO 'grafana'@'10.42.1.111';
+FLUSH PRIVILEGES;
+
+# Create database for grafana to poll mysql:
+CREATE USER 'grafanaReader'@'10.42.1.111' IDENTIFIED BY 'password';
+GRANT SELECT ON grafana.* TO 'grafanaReader'@'10.42.1.111';
+FLUSH PRIVILEGES;
+