File 0019-ceph-disk-split-get_dmcrypt_key_pat.patch of Package ceph.2107

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File 0019-ceph-disk-split-get_dmcrypt_key_pat.patch of Package ceph.2107

From: David Disseldorp <ddiss@suse.de>
Date: Wed, 13 May 2015 12:58:50 +0200
Subject: [PATCH] ceph-disk: split get_dmcrypt_key_path from key creation

In preparation for mapping dmcrypt cyphertext devs during activation.

Signed-off-by: David Disseldorp <ddiss@suse.de>
(cherry picked from commit 4fd9cf2710672732253a4062d2b14263b59a29f6)
[ddiss@suse.de: rebase without luks]
---
 src/ceph-disk | 20 ++++++++++++++++----
 1 file changed, 16 insertions(+), 4 deletions(-)

diff --git a/src/ceph-disk b/src/ceph-disk
index 024ca36..42f33b9 100755
--- a/src/ceph-disk
+++ b/src/ceph-disk
@@ -892,18 +892,30 @@ def get_fsid(cluster):
     return fsid.lower()
 
 
-def get_or_create_dmcrypt_key(
+def get_dmcrypt_key_path(
     _uuid,
     key_dir,
     ):
     """
-    Get path to dmcrypt key or create a new key file.
+    Get path to dmcrypt key file.
 
-    :return: Path to the dmcrypt key file.
+    :return: Path to the dmcrypt key file, callers should check for existence.
     """
     path = os.path.join(key_dir, _uuid)
 
-    # already have it?
+    return path
+
+
+def get_or_create_dmcrypt_key(
+    _uuid,
+    key_dir,
+    ):
+    """
+    Get path to existing dmcrypt key or create a new key file.
+
+    :return: Path to the dmcrypt key file.
+    """
+    path = get_dmcrypt_key_path(_uuid, key_dir)
     if os.path.exists(path):
         return path

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File 0019-ceph-disk-split-get_dmcrypt_key_pat.patch of Package ceph.2107

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