- MyPLC 0.4 RC2

[bootmanager.git] / source / steps / ValidateNodeInstall.py

diff --git a/source/steps/ValidateNodeInstall.py b/source/steps/ValidateNodeInstall.py
index d7bd721..7b7ed8a 100644 (file)
--- a/source/steps/ValidateNodeInstall.py
+++ b/source/steps/ValidateNodeInstall.py
@@ -4,6 +4,7 @@ from Exceptions import *
 import utils
 from systeminfo import systeminfo
 import compatibility
+import ModelOptions
 
 
 def Run( vars, log ):
@@ -17,6 +18,8 @@ def Run( vars, log ):
                              (always starts with TEMP_PATH)
     BOOT_CD_VERSION          A tuple of the current bootcd version
     ROOT_MOUNTED             the node root file system is mounted
+    NODE_ID                  The db node_id for this machine
+    PLCONF_DIR               The directory to store the configuration file in
     
     Set the following variables upon successfully running:
     ROOT_MOUNTED             the node root file system is mounted
@@ -34,6 +37,16 @@ def Run( vars, log ):
         if SYSIMG_PATH == "":
             raise ValueError, "SYSIMG_PATH"
 
+        NODE_ID= vars["NODE_ID"]
+        if NODE_ID == "":
+            raise ValueError, "NODE_ID"
+
+        PLCONF_DIR= vars["PLCONF_DIR"]
+        if PLCONF_DIR == "":
+            raise ValueError, "PLCONF_DIR"
+        
+        NODE_MODEL_OPTIONS= vars["NODE_MODEL_OPTIONS"]
+
     except KeyError, var:
         raise BootManagerException, "Missing variable in vars: %s\n" % var
     except ValueError, var:
@@ -71,6 +84,7 @@ def Run( vars, log ):
             utils.sysexec( "mount /dev/planetlab/root %s" % SYSIMG_PATH, log )
             utils.sysexec( "mount /dev/planetlab/vservers %s/vservers" %
                            SYSIMG_PATH, log )
+            utils.sysexec( "mount -t proc none %s/proc" % SYSIMG_PATH, log )
         except BootManagerException, e:
             log.write( "BootManagerException during vgscan/vgchange: %s\n" %
                        str(e) )
@@ -79,15 +93,41 @@ def Run( vars, log ):
         ROOT_MOUNTED= 1
         vars['ROOT_MOUNTED']= 1
         
-    valid= 0
     
-    if os.access("%s/boot/kernel-boot" % SYSIMG_PATH, os.F_OK | os.R_OK) and \
-           os.access("%s/boot/initrd-boot" % SYSIMG_PATH, os.F_OK | os.R_OK):
-        valid= 1
+    # check if the base kernel is installed
+    try:
+        os.stat("%s/boot/kernel-boot" % SYSIMG_PATH)
+        os.stat("%s/boot/initrd-boot" % SYSIMG_PATH)
+    except OSError, e:            
+        log.write( "FATAL: Couldn't locate base kernel.\n")                
+        return 0
 
-    if not valid:
-        log.write( "Node does not appear to be installed correctly:\n" )
-        log.write( "missing file /boot/ initrd-boot or kernel-boot\n" )
+    # check if the model specified kernel is installed
+    option = ''
+    if NODE_MODEL_OPTIONS & ModelOptions.SMP:
+        option = 'smp'
+        try:
+            os.stat("%s/boot/kernel-boot%s" % (SYSIMG_PATH,option))
+            os.stat("%s/boot/initrd-boot%s" % (SYSIMG_PATH,option))
+        except OSError, e:
+            # smp kernel is not there; remove option from modeloptions
+            # such that the rest of the code base thinks we are just
+            # using the base kernel.
+            NODE_MODEL_OPTIONS = NODE_MODEL_OPTIONS & ~ModelOptions.SMP
+            vars["NODE_MODEL_OPTIONS"] = NODE_MODEL_OPTIONS
+            log.write( "WARNING: Couldn't locate smp kernel.\n")
+            
+    # write out the node id to /etc/planetlab/node_id. if this fails, return
+    # 0, indicating the node isn't a valid install.
+    try:
+        node_id_file_path= "%s/%s/node_id" % (SYSIMG_PATH,PLCONF_DIR)
+        node_id_file= file( node_id_file_path, "w" )
+        node_id_file.write( str(NODE_ID) )
+        node_id_file.close()
+        node_id_file= None
+        log.write( "Updated /etc/planetlab/node_id\n" )
+    except IOError, e:
+        log.write( "Unable to write out /etc/planetlab/node_id\n" )
         return 0
 
     log.write( "Everything appears to be ok\n" )