added file dependency check, switched back to english, smaller fix and improvements

modules/conf_ceph.sh

@@ -0,0 +1,108 @@
+# ------------------------------------------------------------------------------
+# Configure machine for ceph (or samba) mount
+# This file is part of the init.sh project
+# Copyright (c) 2019-2021 Geoffray Levasseur <fatalerrors@geoffray-levasseur.org>
+# ------------------------------------------------------------------------------
+# This file is distributed under 3-clause BSD license.
+# The complete license agreement can be obtained at:
+# https://opensource.org/licenses/BSD-3-Clause
+# ------------------------------------------------------------------------------
+# Variable:
+#   * CEPHSRVNAMES: hosts names of ceph servers
+#   * CEPHIP_srv: with "srv" being a ceph server hostname, its corresponding IP
+#   * SHAREDHOME: Set at yes if homedir is a directory of the ceph mount
+#   * SMBSRV: Fallback samba server on unsupported architectures
+# Mount points are hardcoded and should bet set differently
+# ------------------------------------------------------------------------------
+
+export VER_conf_ceph="0.0.2"
+export DEP_conf_ceph="upgrade_dist"
+
+conf_ceph()
+{
+    # Create mount point directories
+    echo "Creating mount points"
+    mkdir -pv /srv/ceph/share
+    mkdir -pv /share
+
+    local success=undef
+    if [[ $CEPH_STATUS == ceph ]]; then
+        # Install ceph package
+        pkginst ceph-common
+
+        # hosts files required for Ceph bootstrap when DNS not yet started
+        if [[ ! $(grep "# Ceph" /etc/hosts) ]]; then
+            prnt I "Adding server list to /etc/hosts"
+            backupdist /etc/hosts
+            echo >> /etc/hosts
+            echo "# Ceph servers:" >> /etc/hosts
+            for srv in $CEPH_SRV_NAMES; do
+                local line="$(eval echo \$CEPHIP_$srv)    $srv.$MAINDOM   $srv"
+                prnt m "     - Adding line $line to /etc/hosts"
+                echo "$line" >> /etc/hosts
+            done
+        else
+            prnt W "Ceph servers already in /etc/hosts, nothing to do"
+        fi
+
+        backupdist /etc/fstab
+        prnt I "Adding ceph entries to /etc/fstab"
+        echo >> /etc/fstab
+        local srvlist=$(echo $CEPH_SRV_NAMES | sed "s/ /,/g")
+        if [[ ! $(grep $srvlist /etc/fstab) ]]; then
+            echo "# Ceph :" >> /etc/fstab
+            echo "$srvlist:/    /srv/ceph       ceph    defaults,_netdev,name=admin,secret=$CEPH_SECRET  0 0" >> /etc/fstab
+        else
+            prnt W "Ceph entry already in /etc/fstab, nothing to do"
+        fi
+        unset srvlist
+        success=yes
+    elif [[ $CEPH_STATUS == smb ]]; then
+	pkginst smbclient
+
+        backupdist /etc/fstab
+        prnt I "Adding Samba entries to /etc/fstab"
+        echo >> /etc/fstab
+        if [[ ! $(grep $SMBSRV /etc/fstab) ]]; then
+            echo "# Samba:" >> /etc/fstab
+            echo "//$SMBSRV/share       /srv/ceph/share cifs    defaults,_netdev,username=root,password=        0 0" >> /etc/fstab
+        else
+            prnt W "Samba entry already in /etc/fstab, nothing to do"
+        fi
+        success=yes
+    else
+        prnt E "Ceph status not understood, the next tasks will probably fail"
+    fi
+    if [[ $success == yes ]]; then
+        if [[ ! $(grep "^/srv/ceph/share" /etc/fstab) ]]; then
+            echo "/srv/ceph/share       /share  none    defaults,_netdev,bind   0 0" >> /etc/fstab
+            if [[ $SHARED_HOME == 1 ]]; then
+                echo "/srv/ceph/share/home      /home   none    defaults,_netdev,bind   0 0" >> /etc/fstab
+            fi
+        fi
+    else
+        prnt E "Failed creating original mount, not adding binded ones"
+    fi
+
+    # Mount Ceph volumes if required
+    prnt I "Mounting ceph volumes"
+    [[ ! $(mount | grep "on /srv/ceph") ]] && mount -v /srv/ceph || mount -v /srv/ceph/share
+    [[ ! $(mount | grep "on /share") ]] && mount -v /share
+    if [[ $SHARED_HOME == "true" ]]; then
+        [[ ! $(mount | grep "on /home") ]] && mount -v /home
+    fi
+}
+
+precheck_conf_ceph()
+{
+    if [[ $SYS_ARCH == "x86_64" ]]; then
+        prnt I "Installing ceph client package..."
+        CEPH_STATUS=ceph
+    else
+        prnt W "System incompatible with ceph, falling back to samba..."
+        CEPH_STATUS=smb
+    fi
+}
+
+export -f conf_ceph
+export -f precheck_conf_ceph