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[libvirt] [test-API][PATCH] Add logical volume download and upload cases



This is for logical volume download and upload testing.
* using download and upload API under class virStream.
  they are functions act as same with download/upload APIs
  under class virStorageVol, just different entrance.
* using logical volume specified xml to create volume.
  no need to provide volume format.
* check method is the same with dir vol download/upload
  cases.

Signed-off-by: Wayne Sun <gsun redhat com>
---
 cases/storage_logical_vol_upload_download.conf |  179 ++++++++++++++++++++++++
 repos/storage/logical_vol_download.py          |  125 +++++++++++++++++
 repos/storage/logical_vol_upload.py            |  152 ++++++++++++++++++++
 3 files changed, 456 insertions(+), 0 deletions(-)
 create mode 100644 cases/storage_logical_vol_upload_download.conf
 create mode 100644 repos/storage/logical_vol_download.py
 create mode 100644 repos/storage/logical_vol_upload.py

diff --git a/cases/storage_logical_vol_upload_download.conf b/cases/storage_logical_vol_upload_download.conf
new file mode 100644
index 0000000..51b640e
--- /dev/null
+++ b/cases/storage_logical_vol_upload_download.conf
@@ -0,0 +1,179 @@
+storage:define_logical_pool
+    poolname
+        $defaultpoolname
+    sourcename
+        $defaultpoolname
+    sourcepath
+        $defaultpartition
+
+storage:build_logical_pool
+    poolname
+        $defaultpoolname
+
+storage:activate_pool
+    poolname
+        $defaultpoolname
+
+storage:logical_vol_download
+    poolname
+        $defaultpoolname
+    volname
+        $defaultvolumename
+    capacity
+        50
+    offset
+        0
+    length
+        0
+clean
+
+storage:delete_logical_volume
+    poolname
+        $defaultpoolname
+    volname
+        $defaultvolumename
+
+storage:logical_vol_download
+    poolname
+        $defaultpoolname
+    volname
+        $defaultvolumename
+    capacity
+        50
+    offset
+        0
+    length
+        1048576
+clean
+
+storage:delete_logical_volume
+    poolname
+        $defaultpoolname
+    volname
+        $defaultvolumename
+
+storage:logical_vol_download
+    poolname
+        $defaultpoolname
+    volname
+        $defaultvolumename
+    capacity
+        50
+    offset
+        1048576
+    length
+        0
+clean
+
+storage:delete_logical_volume
+    poolname
+        $defaultpoolname
+    volname
+        $defaultvolumename
+
+storage:logical_vol_download
+    poolname
+        $defaultpoolname
+    volname
+        $defaultvolumename
+    capacity
+        50
+    offset
+        1048576
+    length
+        1048576
+clean
+
+storage:delete_logical_volume
+    poolname
+        $defaultpoolname
+    volname
+        $defaultvolumename
+
+storage:logical_vol_upload
+    poolname
+        $defaultpoolname
+    volname
+        $defaultvolumename
+    capacity
+        50
+    offset
+        0
+    length
+        0
+clean
+
+storage:delete_logical_volume
+    poolname
+        $defaultpoolname
+    volname
+        $defaultvolumename
+
+storage:logical_vol_upload
+    poolname
+        $defaultpoolname
+    volname
+        $defaultvolumename
+    capacity
+        50
+    offset
+        0
+    length
+        1048576
+clean
+
+storage:delete_logical_volume
+    poolname
+        $defaultpoolname
+    volname
+        $defaultvolumename
+
+storage:logical_vol_upload
+    poolname
+        $defaultpoolname
+    volname
+        $defaultvolumename
+    capacity
+        50
+    offset
+        1048576
+    length
+        0
+clean
+
+storage:delete_logical_volume
+    poolname
+        $defaultpoolname
+    volname
+        $defaultvolumename
+
+storage:logical_vol_upload
+    poolname
+        $defaultpoolname
+    volname
+        $defaultvolumename
+    capacity
+        50
+    offset
+        1048576
+    length
+        1048576
+clean
+
+storage:delete_logical_volume
+    poolname
+        $defaultpoolname
+    volname
+        $defaultvolumename
+
+storage:destroy_pool
+    poolname
+        $defaultpoolname
+
+storage:delete_logical_pool
+    poolname
+        $defaultpoolname
+
+storage:undefine_pool
+    poolname
+        $defaultpoolname
diff --git a/repos/storage/logical_vol_download.py b/repos/storage/logical_vol_download.py
new file mode 100644
index 0000000..9797f36
--- /dev/null
+++ b/repos/storage/logical_vol_download.py
@@ -0,0 +1,125 @@
+#!/usr/bin/env python
+# logical storage volume download testing
+
+import os
+import string
+from xml.dom import minidom
+
+import libvirt
+from libvirt import libvirtError
+
+from src import sharedmod
+from utils import utils
+
+required_params = ('poolname', 'volname', 'capacity', 'offset', 'length',)
+optional_params = {'xml' : 'xmls/logical_volume.xml',
+                  }
+
+def get_pool_path(poolobj):
+    """ get pool xml description
+    """
+    poolxml = poolobj.XMLDesc(0)
+
+    logger.debug("the xml description of pool is %s" % poolxml)
+
+    doc = minidom.parseString(poolxml)
+    path_element = doc.getElementsByTagName('path')[0]
+    textnode = path_element.childNodes[0]
+    path_value = textnode.data
+
+    return path_value
+
+def write_file(path, capacity):
+    """write test data to file
+    """
+    logger.info("write %sM data into file %s" % (capacity, path))
+    f = open(path, 'w')
+    datastr = ''.join(string.lowercase + string.uppercase
+                      + string.digits + '.' + '\n')
+    repeat = capacity / 64
+    data = ''.join(repeat * datastr)
+    f.write(data)
+    f.close()
+
+def handler(stream, data, file_):
+    return file_.write(data)
+
+def logical_vol_download(params):
+    """test volume download and check"""
+    global logger
+    logger = params['logger']
+    poolname = params['poolname']
+    volname = params['volname']
+    offset = int(params['offset'])
+    length = int(params['length'])
+    capacity = int(params['capacity'])
+    xmlstr = params['xml']
+
+    logger.info("the poolname is %s, volname is %s" %
+                (poolname, volname))
+    logger.info("download offset is: %s" % offset)
+    logger.info("the data length to download is: %s" % length)
+
+    conn = sharedmod.libvirtobj['conn']
+    try:
+        poolobj = conn.storagePoolLookupByName(poolname)
+        path_value = get_pool_path(poolobj)
+        volume_path = path_value + "/" + volname
+        logger.debug("volume target path: %s" % volume_path)
+
+        xmlstr = xmlstr.replace('TARGETPATH', volume_path)
+        logger.debug("volume xml:\n%s" % xmlstr)
+
+        logger.info("create %s logical storage volume" % volname)
+        vol = poolobj.createXML(xmlstr, 0)
+        logger.debug("current created storage volume: %s" %
+                     poolobj.listVolumes())
+
+        write_file(volume_path, capacity)
+        origdigest = utils.digest(volume_path, offset, length)
+        logger.debug("the md5 hex digest of data read from %s is: %s" %
+                     (volume_path, origdigest))
+
+        st = conn.newStream(0)
+
+        test_path = path_value + "/" + "vol_test"
+
+        f = open(test_path, 'w')
+        logger.info("start download")
+        st.download(vol, offset, length, 0)
+        logger.info("downloaded all data")
+        st.recvAll(handler, f)
+        logger.info("finished stream")
+        st.finish()
+        f.close()
+
+        newdigest = utils.digest(test_path, 0, 0)
+        logger.debug("the md5 hex digest of data read from %s is: %s" %
+                     (test_path, newdigest))
+
+        if origdigest == newdigest:
+            logger.info("file digests match, download succeed")
+        else:
+            logger.error("file digests not match, download failed")
+            return 1
+
+    except libvirtError, e:
+        logger.error("libvirt call failed: " + str(e))
+        return 1
+
+    return 0
+
+def logical_vol_download_clean(params):
+    """clean testing environment"""
+    poolname = params['poolname']
+    volname = params['volname']
+
+    conn = sharedmod.libvirtobj['conn']
+    poolobj = conn.storagePoolLookupByName(poolname)
+    path_value = get_pool_path(poolobj)
+    test_path = path_value + "/" + "vol_test"
+
+    if os.path.exists(test_path):
+        os.unlink(test_path)
+
+    return 0
diff --git a/repos/storage/logical_vol_upload.py b/repos/storage/logical_vol_upload.py
new file mode 100644
index 0000000..fc03ee6
--- /dev/null
+++ b/repos/storage/logical_vol_upload.py
@@ -0,0 +1,152 @@
+#!/usr/bin/env python
+# logical storage volume upload testing, offset and length can
+# only be chosen in 0 and 1048576.
+
+import os
+import string
+from xml.dom import minidom
+
+import libvirt
+from libvirt import libvirtError
+
+from src import sharedmod
+from utils import utils
+
+required_params = ('poolname', 'volname', 'capacity', 'offset', 'length',)
+optional_params = {'xml' : 'xmls/logical_volume.xml',
+                  }
+
+def get_pool_path(poolobj):
+    """ get pool xml description
+    """
+    poolxml = poolobj.XMLDesc(0)
+
+    logger.debug("the xml description of pool is %s" % poolxml)
+
+    doc = minidom.parseString(poolxml)
+    path_element = doc.getElementsByTagName('path')[0]
+    textnode = path_element.childNodes[0]
+    path_value = textnode.data
+
+    return path_value
+
+def write_file(path):
+    """write 1M test data to file
+    """
+    logger.info("write 1M data into file %s" % path)
+    f = open(path, 'w')
+    datastr = ''.join(string.lowercase + string.uppercase
+                      + string.digits + '.' + '\n')
+    data = ''.join(16384 * datastr)
+    f.write(data)
+    f.close()
+
+def handler(stream, data, file_):
+    return file_.read(data)
+
+def logical_vol_upload(params):
+    """test volume download and check"""
+    global logger
+    logger = params['logger']
+    poolname = params['poolname']
+    volname = params['volname']
+    offset = int(params['offset'])
+    length = int(params['length'])
+    capacity = int(params['capacity'])
+    xmlstr = params['xml']
+
+    logger.info("the poolname is %s, volname is %s" %
+                (poolname, volname))
+    logger.info("download offset is: %s" % offset)
+    logger.info("the data length to download is: %s" % length)
+
+    conn = sharedmod.libvirtobj['conn']
+    try:
+        poolobj = conn.storagePoolLookupByName(poolname)
+        path_value = get_pool_path(poolobj)
+        volume_path = path_value + "/" + volname
+        logger.debug("volume target path: %s" % volume_path)
+
+        xmlstr = xmlstr.replace('TARGETPATH', volume_path)
+        logger.debug("volume xml:\n%s" % xmlstr)
+
+        logger.info("create %s logical storage volume" % volname)
+        vol = poolobj.createXML(xmlstr, 0)
+        logger.debug("current created storage volume: %s" %
+                     poolobj.listVolumes())
+
+        test_path = path_value + "/" + "vol_test"
+        write_file(test_path)
+        olddigest = utils.digest(test_path, 0, 0)
+        logger.debug("the old file digest is: %s" % olddigest)
+
+        if offset:
+            origdigestpre = utils.digest(volume_path, 0, offset)
+        else:
+            origdigestpre = ''
+        logger.debug("the original pre region digest is: %s" % origdigestpre)
+
+        origdigestpost = utils.digest(volume_path, offset + 1024 * 1024, 0)
+        logger.debug("the original post region digest is: %s" % origdigestpost)
+
+        st = conn.newStream(0)
+
+        f = open(test_path, 'r')
+        logger.info("start upload")
+        st.upload(vol, offset, length, 0)
+        logger.info("sent all data")
+        st.sendAll(handler, f)
+        logger.info("finished stream")
+        st.finish()
+        f.close()
+
+        newdigest = utils.digest(volume_path, offset, 1024 * 1024)
+        logger.debug("the new file digest is: %s" % olddigest)
+
+        if offset:
+            newdigestpre = utils.digest(volume_path, 0, offset)
+        else:
+            newdigestpre = ''
+        logger.debug("the new pre region digest is: %s" % origdigestpre)
+
+        newdigestpost = utils.digest(volume_path, offset + 1024 * 1024, 0)
+        logger.debug("the new post region digest is: %s" % origdigestpost)
+
+        if newdigestpre == origdigestpre:
+            logger.info("file pre region digests match")
+        else:
+            logger.error("file pre region digests not match")
+            return 1
+
+        if olddigest == newdigest:
+            logger.info("file digests match")
+        else:
+            logger.error("file digests not match")
+            return 1
+
+        if newdigestpost == origdigestpost:
+            logger.info("file post region digests match")
+        else:
+            logger.error("file post region digests not match")
+            return 1
+
+    except libvirtError, e:
+        logger.error("libvirt call failed: " + str(e))
+        return 1
+
+    return 0
+
+def logical_vol_upload_clean(params):
+    """clean testing environment"""
+    poolname = params['poolname']
+    volname = params['volname']
+
+    conn = sharedmod.libvirtobj['conn']
+    poolobj = conn.storagePoolLookupByName(poolname)
+    path_value = get_pool_path(poolobj)
+    test_path = path_value + "/" + "vol_test"
+
+    if os.path.exists(test_path):
+        os.unlink(test_path)
+
+    return 0
-- 
1.7.1


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