Added healthcheck utility

Signed-off-by: Janos SUTO <sj@acts.hu>

util/healthcheck.sh

@@ -0,0 +1,40 @@
+#!/bin/bash
+
+set -o errexit
+set -o pipefail
+set -o nounset
+
+SPHINX_DIR=/var/piler/sphinx
+ERROR_FILE=/var/piler/stat/error
+
+echo "host: $(hostname | sha256sum | awk '{ print $1 }')"
+echo "cpus: $(grep -c ^processor /proc/cpuinfo)"
+echo "mem: $(grep MemTotal /proc/meminfo | sed 's/MemTotal\s*:\s*//' )"
+echo disks:
+while read -r p; do df -h "${p##* }" | tail -1; done < <(lsblk | grep part)
+
+echo
+piler -V
+
+# shellcheck disable=SC2009
+ps uaxw|grep piler
+
+echo -e "\nCron entries:\n"
+crontab -l -u piler
+
+errors=0
+if [[ -f "$ERROR_FILE" ]]; then
+   read -r errors < "$ERROR_FILE"
+else
+   errors="$(find /var/piler/error -type f|wc -l)"
+fi
+
+mysqluser="$(pilerconf -q mysqluser|cut -d = -f2)"
+mysqlpwd="$(pilerconf -q mysqlpwd|cut -d = -f2)"
+mysqldb="$(pilerconf -q mysqldb|cut -d = -f2)"
+
+echo -e "\nError emails: $errors"
+echo -e "Sphinx data: $(du -hs "$SPHINX_DIR")\n"
+
+mysql -t -u "$mysqluser" -p"$mysqlpwd" "$mysqldb" <<< "select * from counter"
+