linhes-config: Systems with memory less then 1GB sometimes will have problems with an install.

The OOM if needed will kill off a process, most of the time unsquashfs.  This causes problems later on, when doing work in the chroot.

- catch  unsquashfs errors
- try to mount swap space if present.

1 files changed, 21 insertions, 2 deletions

diff --git a/abs/core/LinHES-config/mv_install.py b/abs/core/LinHES-config/mv_install.py
index cc4e4a6..e251291 100755
--- a/abs/core/LinHES-config/mv_install.py
+++ b/abs/core/LinHES-config/mv_install.py
@@ -420,6 +420,9 @@ def mount_it():
 #   Mount root
     cmd = "mount /dev/%s %s"  %(hostoptions["rootpartition"], mountpoint)
     runcmd(cmd)
+
+
+
     #logging.debug(cmd)
     #cmdout=commands.getoutput(cmd)
     #logging.debug(cmdout)
@@ -457,6 +460,10 @@ def unmount_it():
     cmd = "sync"
     runcmd(cmd)
 
+def swapon():
+    logging.info("______starting swap______")
+    cmd = "swapon /dev/%s" %(hostoptions["swappartition"])
+    runcmd(cmd)
 
 def create_squashlist():
     logging.debug("Creating squashlist")
@@ -475,7 +482,11 @@ def copy_it(install_type):
     if ( install_type == "install"):
         logging.info("Transferring system")
         cmd = "  unsquashfs -f -d %s /.livesys/medium/larch/system.sqf" %(data_config.MOUNTPOINT)
-        runcmd(cmd)
+        #runcmd(cmd)
+        rc = runcmd(cmd)[0]
+        if rc != 0 :
+            error_out("Running unsquashfs")
+
         #logging.debug(cmd)
         #cmdout=commands.getoutput(cmd)
 
@@ -483,7 +494,10 @@ def copy_it(install_type):
         logging.info("Upgrading system")
         create_squashlist()
         cmd = "  unsquashfs -e %s -f -d %s /.livesys/medium/larch/system.sqf" %(data_config.SQUASHFILE,  data_config.MOUNTPOINT)
-        runcmd(cmd)
+        #runcmd(cmd)
+        rc = runcmd(cmd)[0]
+        if rc != 0 :
+            error_out("Running unsquashfs")
         #logging.debug(cmd)
         #cmdout=commands.getoutput(cmd)
 #   Create the missing dir
@@ -1015,6 +1029,8 @@ def full_install(hostoptions):
     update_status(statusmsg)
     progress(3)
     mount_it()
+    swapon()
+
 
 #   Find number of bytes written to disk before starting copy.  This is used
 #   to have a somewhat decent progress indication.
@@ -1022,6 +1038,8 @@ def full_install(hostoptions):
     msg = "Creating %s" %(systemconfig["hostname"])
     update_status(msg)
 
+
+
 #   Copy system to disk
     copy_it("install")
 #   Remove old fstab so that a new one is created
@@ -1245,6 +1263,7 @@ def upgrade(hostoptions):
     update_status(statusmsg)
     progress(3)
     mount_it()
+    swapon()
     hostoptions["backupfile"] = data_config.BACKUPPATH+data_config.BACKUPFILE
     statgrab( hostoptions["rootdisk"])
     msg = "Upgrading %s" %(systemconfig["hostname"])