conf_ceph.sh: made it more secure with required tests

modules/conf_ceph.sh

@@ -27,6 +27,11 @@ conf_ceph()
 
     local success=undef
     local fstabchanged=false
+    if [[ $SYS_ARCH == "x86_64" || $SYS_ARCH == "i386" ]]; then
+        export CEPH_STATUS=ceph
+    else
+        export CEPH_STATUS=smb
+    fi
     if [[ $CEPH_STATUS == ceph ]]; then
         # Install ceph package
         pkginst ceph-common
@@ -107,10 +112,29 @@ precheck_conf_ceph()
 {
     if [[ $SYS_ARCH == "x86_64" || $SYS_ARCH == "i386" ]]; then
         prnt I "Installing ceph client package..."
-        CEPH_STATUS=ceph
+        if [[ -n $CEPH_SRV_NAMES ]]; then
+            prnt I "We will use the following CEPH servers:"
+            for srv in $CEPH_SRV_NAMES; do
+                if [[ -z "$(eval echo \$CEPHIP_$srv)" ]]; then
+                    prnt E "The IP for CEPH server \"$srv\" is not declared."
+                    die 180
+                else
+                    prnt m " * $srv with IP $(eval echo \$CEPHIP_$srv)"
+                fi
+            done
+            if [[ -z $CEPH_SECRET ]]; then
+                prnt E "CEPH secret key is not declared, can't continue!"
+                prnt I "If you don't want to put tour CEPH secret in configuration file,"
+                prnt m "you need to export it temporarily in your environment, using the"
+                prnt m "\"CEPH_SECRET\" variable."
+                exit 181
+            fi
+        else
+            prnt E "No CEPH server declared!"
+            die 182
+        fi
     else
         prnt W "System incompatible with ceph, falling back to samba..."
-        CEPH_STATUS=smb
     fi
 }