[Kimchi-devel] [kimchi-devel][PATCH 2/6] Add helper function to retrieve vg information

[lvroyce at linux.vnet.ibm.com]

From: Royce Lv <lvroyce at linux.vnet.ibm.com>

Signed-off-by: Royce Lv <lvroyce at linux.vnet.ibm.com>
---
 src/kimchi/i18n.py  |  2 ++
 src/kimchi/utils.py | 18 ++++++++++++++++++
 2 files changed, 20 insertions(+)

diff --git a/src/kimchi/i18n.py b/src/kimchi/i18n.py
index e4e1a89..63f57d4 100644
--- a/src/kimchi/i18n.py
+++ b/src/kimchi/i18n.py
@@ -49,6 +49,8 @@ messages = {
     "KCHDISKS0001E": _("Error while getting block devices. Details: %(err)s"),
     "KCHDISKS0002E": _("Error while getting block device information for %(device)s."),
 
+    "KCHLVM0001E": _("Error while getting lvm information %(err)s."),
+
     "KCHDL0001E": _("Unable to find distro file: %(filename)s"),
     "KCHDL0002E": _("Unable to parse distro file: %(filename)s. Make sure, it is a JSON file."),
 
diff --git a/src/kimchi/utils.py b/src/kimchi/utils.py
index d71338a..0b11fcb 100644
--- a/src/kimchi/utils.py
+++ b/src/kimchi/utils.py
@@ -245,6 +245,24 @@ def parse_cmd_output(output, output_items):
     return res
 
 
+def find_vgs():
+    cmd = ["vgs", "--noheadings", "-o", "vg_name, vg_size"]
+    try:
+        out, error, ret = run_command(cmd, 5)
+    except TimeoutExpired:
+        kimchi_log.warning("volume group query timeout")
+        return list()
+
+    if error:
+        raise OperationFailed("KCHLVM0001E", {'err': error})
+
+    vgs = parse_cmd_output(out, ['name', 'size'])
+    for vg in vgs:
+        vg['path'] = os.path.join('/dev/', vg['name'])
+        vg['pool'] = ''
+    return vgs
+
+
 def patch_find_nfs_target(nfs_server):
     cmd = ["showmount", "--no-headers", "--exports", nfs_server]
     try:
-- 
2.1.0