Checks for backup host reqs

Author: chuckp22

bin/ghe-host-check

@@ -144,4 +144,44 @@ if [ -z "$supported" ]; then
   exit 1
 fi
 
+#Display dir requirements for repositories and mysql
+backup_dir=${GHE_DATA_DIR}
+available_space=$(df $backup_dir | awk 'END{print $4}')
+repo_disk_size=$(ghe-ssh "$host" sudo du -sh /data/user/repositories | awk '{print $1}')
+mysql_disk_size=$(ghe-ssh "$host" sudo du -sh /data/user/mysql | awk '{print $1}')
+# Convert the data size to kilobytes
+case "$repo_disk_size" in
+  *T) repo_disk_size=$(( $(echo "$repo_disk_size" | sed 's/T/000000000/') )) ;;
+  *G) repo_disk_size=$(( $(echo "$repo_disk_size" | sed 's/G/000000/') )) ;;
+  *M) repo_disk_size=$(( $(echo "$repo_disk_size" | sed 's/M/000/') )) ;;
+  *K) repo_disk_size=$(( $(echo "$repo_disk_size" | sed 's/K//') )) ;;
+esac
+if [[ $available_space -lt $repo_disk_size ]]; then
+  echo "There is not enough disk space for the backup"
+  exit 1
+fi
+
+#Check rsync, openssh & jq versions
+rsync_version=$(rsync --version | grep 'version' | awk '{print $3}')
+if awk "BEGIN {exit !($rsync_version < 2.6.4)}" &> /dev/null; then
+  echo "rsync version $rsync_version in backup-host does not meet minimum requirements."
+  echo "Please make sure you have the minimum required version of rsync installed"
+  exit 2
+fi
+
+ssh_version=$(ssh -V 2>&1 | awk '{print $1}'|grep -oPm 1 '[\d\.]+' |head -1)
+if awk "BEGIN {exit !($ssh_version < 5.6)}" &> /dev/null; then
+  echo "openSSH version $ssh_version in backup-host does not meet minimum requirements."
+  echo "Please make sure the minimum required version of openSSH is installed"
+  exit 2
+fi
+
+jq_version=$(jq --version |awk -F\- '{print $2}')
+if awk "BEGIN {exit !($jq_version < 1.5)}" &> /dev/null; then
+  echo "jq version $jq_version in backup-host does not meet minimum requirements."
+  echo "Please make sure you have the minimum required version of jq installed"
+  exit 2
+fi
+
+
 echo "Connect $hostname:$port OK (v$version)"