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Re: [libvirt] [test-API PATCH 4/4] improve and fix testcases found during testcases run



On 04/25/2012 12:23 PM, Guannan Ren wrote:
On 04/25/2012 11:35 AM, Osier Yang wrote:
On 2012年04月24日 17:40, Guannan Ren wrote:
install_linux_cdrom.py: qemu process couldn't visit custom.iso that
                         resides in other user's home, so we copy
                         custom.iso into /tmp for easy use.

We need something like /var/cache/libvirt-test-API as a global
var in global.cfg.

install_linux_check.py: use hddriver and nicdriver name

Why? I guess the old "hdmode" and "nicmode" is not correct to represent
the actual argument, but it should be explained.

network/create.py: in the case of the network with 'isolate' type,
                    we need to remove '<forward mode="NETMODE"/>'line,
                    The bug is caused by changes on using xml files
network/define.py: the same as network/create.py
repos/snapshot/delete.py: the TESTCASE_check is reserved fuction name for
                          framework, so change the name of its internal
                          'check' function
---
  repos/domain/install_linux_cdrom.py |   14 +++++++++++---
  repos/domain/install_linux_check.py |    6 +++---
  repos/network/create.py             |    4 ++++
  repos/network/define.py             |    6 +++++-
  repos/snapshot/delete.py            |    6 +++---
  5 files changed, 26 insertions(+), 10 deletions(-)

diff --git a/repos/domain/install_linux_cdrom.py b/repos/domain/install_linux_cdrom.py
index 60d12a7..17052d4 100644
--- a/repos/domain/install_linux_cdrom.py
+++ b/repos/domain/install_linux_cdrom.py
@@ -47,13 +47,18 @@ def prepare_cdrom(*args):
      ks_name = os.path.basename(ks)

      new_dir = os.path.join(HOME_PATH, guestname)
+    customeiso_dir = os.path.join('/tmp/libvirt-test-API', guestname)

typo, custom. And in anycase, it should use the new global var in
global.cfg.

logger.info("creating a new folder for customizing custom.iso file in it")

      if os.path.exists(new_dir):
          logger.info("the folder exists, remove it")
          shutil.rmtree(new_dir)

+    if os.path.exists(customeiso_dir):
+        shutil.rmtree(customeiso_dir)
+

Why the dir should be deleted if exists? shouldn't we reuse it?


       We download boot.iso first, and add kickstart file into it
       recreate a new iso file named custom.iso. We can not tell it is
       rhel6u1 or rhel6u2 from the custom.iso, so remove it before
       creating a new one.
Maybe, we may use a unique name to identify ISO name to avoid overwrite existing ISO file such as $name+$uuid.iso, if so, we need also to let other caller know ISO name
instead of default custom.iso.





      os.makedirs(new_dir)
+    os.makedirs(customeiso_dir)
      logger.info("the directory is %s" % new_dir)

      boot_path = os.path.join(ostree, 'images/boot.iso')
@@ -76,8 +81,11 @@ def prepare_cdrom(*args):
      (status, text) = commands.getstatusoutput(shell_cmd)

      logger.debug(text)
- logger.info("make custom.iso file, change to original directory: %s" %
-                src_path)
+
+    logger.info("copy custom.iso to %s" % customeiso_dir)
+    shutil.copy('custom.iso', customeiso_dir)
+

Unreasonable. Why not create the iso directly in the dir, instead of
creating it anoter place, and copying it to the desired place
afterwards?


Every time we install a new guest, we create a folder named after the name of the guest in root of libvirt-test-API. All of the related temporary files will be generated in this folder. The custom.iso is created in this folder. Probably user git clone libvirt-test-API testsuits in his/her home directory. The qemu process couldn't visit the custom.iso as the permission problem, the code is to copy the custom.iso into /tmp for qemu process.






+    logger.info("go back to original directory: %s" % src_path)

We should cleanup the logging like this to logger.debug. Nobody will
care about how the scripts work in background I think.

      os.chdir(src_path)

def prepare_boot_guest(domobj, xmlstr, guestname, installtype, logger):
@@ -196,7 +204,7 @@ def install_linux_cdrom(params):
      logger.info('prepare installation...')

      bootcd = '%s/custom.iso' % \
-                       (os.path.join(HOME_PATH, guestname))
+ (os.path.join('/tmp/libvirt-test-API', guestname))

Well, hardcode again.

      logger.debug("the bootcd path is %s" % bootcd)
      logger.info("begin to customize the custom.iso file")
      prepare_cdrom(ostree, ks, guestname, logger)
diff --git a/repos/domain/install_linux_check.py b/repos/domain/install_linux_check.py
index d034aba..ab1e7db 100644
--- a/repos/domain/install_linux_check.py
+++ b/repos/domain/install_linux_check.py
@@ -15,7 +15,7 @@ from src import sharedmod
  from src import env_parser
  from utils import utils

-required_params = ('guestname', 'virt_type', 'hdmodel', 'nicmodel',)
+required_params = ('guestname', 'virt_type', 'hddriver', 'nicdriver',)

Finally I see why "hdmodel" and "nicmodel" are changed in 1/4,
1/4 should come after this patch, or either you break the 1/4
into several patches, the one about paramas' name changing comes
after this patch.

  optional_params = {}

  HOME_PATH = os.getcwd()
@@ -71,8 +71,8 @@ def install_linux_check(params):
      logger.info("Now checking guest health after installation")

      domain_name=guestname
-    blk_type=params['hdmodel']
-    nic_type=params['nicmodel']
+    blk_type=params['hddriver']
+    nic_type=params['nicdriver']
      Test_Result = 0

      # Ping guest from host
diff --git a/repos/network/create.py b/repos/network/create.py
index 839e93b..399328c 100644
--- a/repos/network/create.py
+++ b/repos/network/create.py
@@ -39,6 +39,7 @@ def create(params):
      """Create a network from xml"""
      logger = params['logger']
      networkname = params['networkname']
+    netmode = params['netmode']
      xmlstr = params['xml']

      conn = sharedmod.libvirtobj['conn']
@@ -47,6 +48,9 @@ def create(params):
          logger.error("the %s network is running" % networkname)
          return 1

+    if netmode == 'isolate':
+        xmlstr = re.sub('<forward.*\n', '', xmlstr)
+

This looks fine.

      logger.debug("%s network xml:\n%s" % (networkname, xmlstr))

      net_num1 = conn.numOfNetworks()
diff --git a/repos/network/define.py b/repos/network/define.py
index 923db29..0c38944 100644
--- a/repos/network/define.py
+++ b/repos/network/define.py
@@ -42,14 +42,18 @@ def define(params):
      """Define a network from xml"""
      logger = params['logger']
      networkname = params['networkname']
+    netmode = params['netmode']
      xmlstr = params['xml']

      conn = sharedmod.libvirtobj['conn']

      if check_network_define(networkname, logger):
-        logger.error("%s network is defined" % networkname)
+        logger.error("%s network is defined already" % networkname)

"network '%s' is already defined" % networkname

          return 1

+    if netmode == 'isolate':
+        xmlstr = re.sub('<forward.*\n', '', xmlstr)
+
      logger.debug("network xml:\n%s" % xmlstr)

      net_num1 = conn.numOfDefinedNetworks()
diff --git a/repos/snapshot/delete.py b/repos/snapshot/delete.py
index 19689b1..49ce4d9 100644
--- a/repos/snapshot/delete.py
+++ b/repos/snapshot/delete.py
@@ -24,7 +24,7 @@ def check_domain_state(conn, guestname, logger):
      else:
          return True

-def delete_check(guestname, snapshotname, expected_flag, logger):
+def delete_checkout(guestname, snapshotname, expected_flag, logger):

Not a good name. Still wondering why not use "check" in scripts
under repo, and in framework, using "$script.check".


I don't think it is a good name either, in v2 it is changed to 'delete_checking' currently, the TESTCASE_check is the name supported by framework to check something before starting test, if just "check" is better than "TESTCASE_check"
          we can change it.





""" after deleting, check if appropriate xml file exists or not"""
      guest_snapshot_dir = os.path.join(SNAPSHOT_DIR, guestname)
      snapshot_entries = os.listdir(guest_snapshot_dir)
@@ -54,7 +54,7 @@ def delete(params):
          logger.error("checking failed")
          return 1

-    if not delete_check(guestname, snapshotname, "exist", logger):
+    if not delete_checkout(guestname, snapshotname, "exist", logger):
          logger.error("no snapshot %s exists" % snapshotname)
logger.debug("not corresponding xml file in %s" % SNAPSHOT_DIR)
          return 1
@@ -64,7 +64,7 @@ def delete(params):
          domobj = conn.lookupByName(guestname)
          snapobj = domobj.snapshotLookupByName(snapshotname, 0)
          snapobj.delete(0)
- if not delete_check(guestname, snapshotname, "noexist", logger): + if not delete_checkout(guestname, snapshotname, "noexist", logger):
              logger.error("after deleting, the corresponding \
                           xmlfile still exists in %s" % SNAPSHOT_DIR)
              return 1

V2 is needed.

Osier

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