[Ovirt-devel] [PATCH node] BZ479378: Provide the user an option to mount the logging partition during the initial configuration of logging

[Perry Myers]

From: Bryan Kearney <bkearney at redhat.com>

Signed-off-by: Bryan Kearney <bkearney at redhat.com>
Signed-off-by: Perry Myers <pmyers at redhat.com>
---
 scripts/ovirt-config-logging |   20 ++++++++++++++++++++
 scripts/ovirt-functions      |   27 +++++++++++++++++++++++++++
 2 files changed, 47 insertions(+), 0 deletions(-)

diff --git a/scripts/ovirt-config-logging b/scripts/ovirt-config-logging
index c57c229..ae104a0 100755
--- a/scripts/ovirt-config-logging
+++ b/scripts/ovirt-config-logging
@@ -7,6 +7,25 @@
 
 RSYSLOG_FILE="/etc/rsyslog.conf"
 
+function enable_local_logging {
+    if grep -q "/dev/mapper/HostVG-Logging " /proc/mounts; then
+        return 0
+    else
+        while true; do
+            printf "\n"
+            read -p "Would you like to enable logging to the local disk? (Y/N)? "
+            r=$(echo $REPLY|tr '[[:lower:]]' '[[:upper:]]')
+            if [ "$r" == "Y" ]; then
+                mount_logging
+                return
+            elif [ "$r" == "N" ]; then
+                printf "\nNot mounting the local disk. All logs will be lost\n"
+                return
+            fi
+        done
+    fi
+}
+
 # Creates the rsyslog file based on the following inputs
 # $1 ipaddress of remote syslog server
 # $2 port of remote syslog server
@@ -178,6 +197,7 @@ if [ "$1" = "AUTO" ]; then
     fi
 else
     prompt_user
+    enable_local_logging
 fi
 
 exit 0
diff --git a/scripts/ovirt-functions b/scripts/ovirt-functions
index 26dc556..8df2fce 100644
--- a/scripts/ovirt-functions
+++ b/scripts/ovirt-functions
@@ -193,6 +193,33 @@ mount_config() {
     fi
 }
 
+# mount logging partition
+mount_logging() {
+    if grep -q "/dev/mapper/HostVG-Logging " /proc/mounts; then
+        return 0
+    fi
+
+    if [ -e /dev/HostVG/Logging ] ; then
+        #  backup the logs
+        if [ -e /var/log.bak ]; then
+            rm -rf /var/log.bak
+        fi
+        cp -a /var/log /var/log.bak
+
+        mount /dev/HostVG/Logging /var/log
+        restorecon -rv /var/log
+        mv /var/log.bak/* /var/log
+        rm -Rf /var/log.bak
+        service rsyslog restart
+
+        return 0
+    else
+        # /var/log is not available
+        printf "\nThe logging partion has not been created. Please create it at the main menu.\n"
+        return 1
+    fi
+}
+
 # augtool wrapper
 #   workaround for bind-mounted files
 #   see https://fedorahosted.org/augeas/ticket/32
-- 
1.6.0.6