Add version output (#1335456)

Add -V to livemedia-creator, and log the running version when lorax or
lmc is started.

src/pylorax/__init__.py

@@ -49,6 +49,15 @@ from pylorax.treeinfo import TreeInfo
 from pylorax.discinfo import DiscInfo
 from pylorax.executils import runcmd, runcmd_output
 
+
+# get lorax version
+try:
+    import pylorax.version
+except ImportError:
+    vernum = "devel"
+else:
+    vernum = pylorax.version.num
+
 # List of drivers to remove on ppc64 arch to keep initrd < 32MiB
 REMOVE_PPC64_DRIVERS = "floppy scsi_debug nouveau radeon cirrus mgag200"
 REMOVE_PPC64_MODULES = "drm plymouth"
@@ -178,14 +187,6 @@ class Lorax(BaseLoraxClass):
         installpkgs = installpkgs or []
         excludepkgs = excludepkgs or []
 
-        # get lorax version
-        try:
-            import pylorax.version
-        except ImportError:
-            vernum = "devel"
-        else:
-            vernum = pylorax.version.num
-
         if domacboot:
             try:
                 runcmd(["rpm", "-q", "hfsplus-tools"])

src/pylorax/cmdline.py

@@ -22,18 +22,13 @@ import os
 import sys
 import argparse
 
+from pylorax import vernum
+
+version = "{0}-{1}".format(os.path.basename(sys.argv[0]), vernum)
+
 def lorax_parser():
     """ Return the ArgumentParser for lorax"""
 
-    # get lorax version
-    try:
-        from pylorax import version
-        vernum = version.num
-    except ImportError:
-        vernum = "devel"
-
-    version = "{0}-{1}".format(os.path.basename(sys.argv[0]), vernum)
-
     parser = argparse.ArgumentParser(description="Create the Anaconda boot.iso")
 
     # required arguments for image creation
@@ -290,4 +285,8 @@ def lmc_parser(dracut_default=""):
     parser.add_argument("--timeout", default=None, type=int,
                         help="Cancel installer after X minutes")
 
+    # add the show version option
+    parser.add_argument("-V", help="show program's version number and exit",
+                      action="version", version=version)
+
     return parser

src/sbin/livemedia-creator

@@ -44,7 +44,7 @@ from mako.template import Template
 from mako.exceptions import text_error_template
 
 # Use the Lorax treebuilder branch for iso creation
-from pylorax import ArchData, setup_logging, find_templates
+from pylorax import ArchData, setup_logging, find_templates, vernum
 from pylorax.base import DataHolder
 from pylorax.treebuilder import TreeBuilder, RuntimeBuilder, udev_escape
 from pylorax.treebuilder import findkernels
@@ -1199,6 +1199,8 @@ def main():
 
     log.debug( opts )
 
+    log.info("livemedia-creator v%s", vernum)
+
     # Find the lorax templates
     opts.lorax_templates = find_templates(opts.lorax_templates or "/usr/share/lorax")
 

src/sbin/lorax

@@ -54,6 +54,8 @@ def main():
     parser = lorax_parser()
     opts = parser.parse_args()
 
+    log.info("Lorax v%s", pylorax.vernum)
+
     if not opts.source and not opts.repos:
         parser.error("--source, --repo, or both are required.")