support_lsblk.patch

--- a/cloudinit/config/cc_ca_certs.py	2016-12-23 08:37:45.000000000 -0800
+++ b/cloudinit/config/cc_ca_certs.py	2017-07-10 10:10:37.224522633 -0700
@@ -38,7 +38,7 @@
 
 from cloudinit import util
 
-CA_CERT_PATH = "/usr/share/ca-certificates/"
+CA_CERT_PATH = "/usr/local/share/ca-certificates/"
 CA_CERT_FILENAME = "cloud-init-ca-certs.crt"
 CA_CERT_CONFIG = "/etc/ca-certificates.conf"
 CA_CERT_SYSTEM_PATH = "/etc/ssl/certs/"
--- a/cloudinit/sources/DataSourceNoCloud.py	2016-12-23 08:37:45.000000000 -0800
+++ b/cloudinit/sources/DataSourceNoCloud.py	2017-06-20 11:16:19.424929000 -0700
@@ -93,6 +93,9 @@
 
             label_list = util.find_devs_with("LABEL=%s" % label)
             devlist = list(set(fslist) & set(label_list))
+
+            devlist.extend(util.find_devs_with_lsblk())
+
             devlist.sort(reverse=True)
 
             for dev in devlist:
--- a/cloudinit/util.py	2016-12-23 08:37:45.000000000 -0800
+++ b/cloudinit/util.py	2017-06-28 10:14:04.545741100 -0700
@@ -1203,6 +1203,33 @@
         os.dup2(fp.fileno(), sys.stdin.fileno())
 
 
+def find_devs_with_lsblk():
+    cmd = ['/usr/bin/lsblk', '-p', '-oNAME,LABEL']
+    LOG.debug("find_devs_with_lsblk %s", cmd)
+
+    try:
+        (out, _err) = subp(cmd)
+    except ProcessExecutionError as e:
+        if e.errno == errno.ENOENT:
+            # lsblk not found...
+            out = ""
+        else:
+            raise
+    entries = []
+    for line in out.splitlines():                       
+        line = line.strip()                             
+        if line:                                        
+            items = []                                  
+            items = line.split()                        
+            if len(items) == 2:                         
+                # user data drive has label cidata
+                if items[1] == "cidata":    
+                    entries.append(items[0]) 
+                    LOG.debug("drive: %s", line.split()[0])
+
+    return entries
+
+
 def find_devs_with(criteria=None, oformat='device',
                    tag=None, no_cache=False, path=None):
     """