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Revert "lsblk.py: add devid in output"
Signed-off-by: Damien Thenot <[email protected]>
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README.md

Lines changed: 3 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -143,7 +143,9 @@ A xapi plugin to get the lsblk output on the host.
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### `list_block_devices`:
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```
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$ xe host-call-plugin host-uuid=<uuid> plugin=lsblk.py fn=list_block_devices
146-
{"blockdevices": [{"kname": "sda", "name": "sda", "pkname": "", "device-id-paths": ["/dev/disk/by-id/wwn-0x6c81f660e6c1d5002a0a4ad00dacf429", "/dev/disk/by-id/scsi-36c81f660e6c1d5002a0a4ad00dacf429"], "mountpoint": "", "ro": "0", "type": "disk", "children": [{"kname": "sda4", "name": "sda4", "pkname": "sda", "device-id-paths": ["/dev/disk/by-id/wwn-0x6c81f660e6c1d5002a0a4ad00dacf429-part4", "/dev/disk/by-id/scsi-36c81f660e6c1d5002a0a4ad00dacf429-part4"], "mountpoint": "", "ro": "0", "type": "part", "size": "536870912"}, {"kname": "sda2", "name": "sda2", "pkname": "sda", "device-id-paths": ["/dev/disk/by-id/wwn-0x6c81f660e6c1d5002a0a4ad00dacf429-part2", "/dev/disk/by-id/scsi-36c81f660e6c1d5002a0a4ad00dacf429-part2"], "mountpoint": "", "ro": "0", "type": "part", "size": "19327352832"}, {"kname": "sda5", "name": "sda5", "pkname": "sda", "device-id-paths": ["/dev/disk/by-id/wwn-0x6c81f660e6c1d5002a0a4ad00dacf429-part5", "/dev/disk/by-id/scsi-36c81f660e6c1d5002a0a4ad00dacf429-part5"], "mountpoint": "/var/log", "ro": "0", "type": "part", "size": "4294967296"}, {"kname": "sda3", "name": "sda3", "pkname": "sda", "device-id-paths": ["/dev/disk/by-id/wwn-0x6c81f660e6c1d5002a0a4ad00dacf429-part3", "/dev/disk/by-id/scsi-36c81f660e6c1d5002a0a4ad00dacf429-part3"], "mountpoint": "", "ro": "0", "type": "part", "size": "194883075584"}, {"kname": "sda1", "name": "sda1", "pkname": "sda", "device-id-paths": ["/dev/disk/by-id/wwn-0x6c81f660e6c1d5002a0a4ad00dacf429-part1", "/dev/disk/by-id/scsi-36c81f660e6c1d5002a0a4ad00dacf429-part1"], "mountpoint": "/", "ro": "0", "type": "part", "size": "19327352832"}, {"kname": "sda6", "name": "sda6", "pkname": "sda", "device-id-paths": ["/dev/disk/by-id/wwn-0x6c81f660e6c1d5002a0a4ad00dacf429-part6", "/dev/disk/by-id/scsi-36c81f660e6c1d5002a0a4ad00dacf429-part6"], "mountpoint": "[SWAP]", "ro": "0", "type": "part", "size": "1073741824"}], "size": "239444426752"}]}
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{
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"blockdevices": [{"kname": "sdb", "name": "sdb", "pkname": "", "mountpoint": "", "ro": "0", "type": "disk", "size": "64424509440"}, {"kname": "sda", "name": "sda", "pkname": "", "mountpoint": "", "ro": "0", "type": "disk", "children": [{"kname": "sda4", "name": "sda4", "pkname": "sda", "mountpoint": "", "ro": "0", "type": "part", "size": "536870912"}, {"kname": "sda2", "name": "sda2", "pkname": "sda", "mountpoint": "", "ro": "0", "type": "part", "size": "19327352832"}, {"kname": "sda5", "name": "sda5", "pkname": "sda", "mountpoint": "/var/log", "ro": "0", "type": "part", "size": "4294967296"}, {"kname": "sda3", "name": "sda3", "pkname": "sda", "mountpoint": "", "ro": "0", "type": "part", "children": [{"kname": "dm-0", "name": "XSLocalEXT--1fad55d2--4f07--8145--c78a--297b173e06b0-1fad55d2--4f07--8145--c78a--297b173e06b0", "pkname": "sda3", "mountpoint": "/run/sr-mount/1fad55d2-4f07-8145-c78a-297b173e06b0", "ro": "0", "type": "lvm", "size": "19847446528"}], "size": "19863158272"}, {"kname": "sda1", "name": "sda1", "pkname": "sda", "mountpoint": "/", "ro": "0", "type": "part", "size": "19327352832"}, {"kname": "sda6", "name": "sda6", "pkname": "sda", "mountpoint": "[SWAP]", "ro": "0", "type": "part", "size": "1073741824"}], "size": "64424509440"}]
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}
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```
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- `blockdevices` is a json representation of the blockdevices.
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- `stdout` is the raw output.

SOURCES/etc/xapi.d/plugins/lsblk.py

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Original file line numberDiff line numberDiff line change
@@ -8,11 +8,6 @@
88

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from xcpngutils import run_command, error_wrapped
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def get_ids_from_device_path(device_path):
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result = run_command(["find", "-L", "/dev/disk/by-id", "-samefile", device_path])
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result_output = result["stdout"].decode("utf-8").strip()
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return result_output.split("\n")
15-
1611
@error_wrapped
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def list_block_devices(session, args):
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result = run_command(["lsblk", "-P", "-b", "-o", "NAME,KNAME,PKNAME,SIZE,TYPE,RO,MOUNTPOINT"])
@@ -25,7 +20,6 @@ def list_block_devices(session, args):
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output_dict = {key.lower(): output_dict[key].strip('"') for key in output_dict}
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kname = output_dict["kname"]
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pkname = output_dict["pkname"]
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output_dict["device-id-paths"] = get_ids_from_device_path("/dev/" + kname)
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if pkname != "":
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parent = blockdevices[pkname]
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if "children" not in parent:

tests/test_lsblk.py

Lines changed: 22 additions & 45 deletions
Original file line numberDiff line numberDiff line change
@@ -8,58 +8,35 @@
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@mock.patch('lsblk.run_command', autospec=True)
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class TestListBlockDevices:
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def test_lsblk(self, run_command):
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lsblk_return_value = {"stdout": b'''NAME="sdb" KNAME="sdb" PKNAME="" SIZE="64424509440" TYPE="disk" \
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RO="0" MOUNTPOINT=""\nNAME="sda" KNAME="sda" PKNAME="" SIZE="64424509440" TYPE="disk" RO="0" MOUNTPOINT=""
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NAME="sda4" KNAME="sda4" PKNAME="sda" SIZE="536870912" TYPE="part" RO="0" MOUNTPOINT=""
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NAME="sda2" KNAME="sda2" PKNAME="sda" SIZE="19327352832" TYPE="part" RO="0" MOUNTPOINT=""
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NAME="sda5" KNAME="sda5" PKNAME="sda" SIZE="4294967296" TYPE="part" RO="0" MOUNTPOINT="/var/log"
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NAME="sda3" KNAME="sda3" PKNAME="sda" SIZE="19863158272" TYPE="part" RO="0" MOUNTPOINT=""
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NAME="XSLocalEXT--1fad55d2--4f07--8145--c78a--297b173e06b0-1fad55d2--4f07--8145--c78a--297b173e06b0" \
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KNAME="dm-0" PKNAME="sda3" SIZE="19847446528" TYPE="lvm" RO="0" \
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MOUNTPOINT="/run/sr-mount/1fad55d2-4f07-8145-c78a-297b173e06b0"
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NAME="sda1" KNAME="sda1" PKNAME="sda" SIZE="19327352832" TYPE="part" RO="0" MOUNTPOINT="/"
21-
NAME="sda6" KNAME="sda6" PKNAME="sda" SIZE="1073741824" TYPE="part" RO="0" MOUNTPOINT="[SWAP]"'''}
22-
find_return_value = {"stdout": b'''/dev/disk/by-id/wwn-0x6c81f660e6c1d5002a0a4ad00dacf429
23-
/dev/disk/by-id/scsi-36c81f660e6c1d5002a0a4ad00dacf429'''}
24-
25-
def mock_run_command(command):
26-
if command[0] == "lsblk":
27-
assert command == ["lsblk", "-P", "-b", "-o", "NAME,KNAME,PKNAME,SIZE,TYPE,RO,MOUNTPOINT"]
28-
return lsblk_return_value
29-
if command[0] == "find":
30-
return find_return_value
31-
run_command.side_effect = mock_run_command
11+
run_command.return_value = {
12+
"stdout": b'''NAME="sdb" KNAME="sdb" PKNAME="" SIZE="64424509440" TYPE="disk" RO="0" MOUNTPOINT=""
13+
NAME="sda" KNAME="sda" PKNAME="" SIZE="64424509440" TYPE="disk" RO="0" MOUNTPOINT=""
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NAME="sda4" KNAME="sda4" PKNAME="sda" SIZE="536870912" TYPE="part" RO="0" MOUNTPOINT=""
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NAME="sda2" KNAME="sda2" PKNAME="sda" SIZE="19327352832" TYPE="part" RO="0" MOUNTPOINT=""
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NAME="sda5" KNAME="sda5" PKNAME="sda" SIZE="4294967296" TYPE="part" RO="0" MOUNTPOINT="/var/log"
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NAME="sda3" KNAME="sda3" PKNAME="sda" SIZE="19863158272" TYPE="part" RO="0" MOUNTPOINT=""
18+
NAME="XSLocalEXT--1fad55d2--4f07--8145--c78a--297b173e06b0-1fad55d2--4f07--8145--c78a--297b173e06b0" KNAME="dm-0" \
19+
PKNAME="sda3" SIZE="19847446528" TYPE="lvm" RO="0" MOUNTPOINT="/run/sr-mount/1fad55d2-4f07-8145-c78a-297b173e06b0"
20+
NAME="sda1" KNAME="sda1" PKNAME="sda" SIZE="19327352832" TYPE="part" RO="0" MOUNTPOINT="/"
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NAME="sda6" KNAME="sda6" PKNAME="sda" SIZE="1073741824" TYPE="part" RO="0" MOUNTPOINT="[SWAP]"'''}
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3323
expected = ' \
3424
{"blockdevices": [{"kname": "sdb", "name": "sdb", "pkname": "", "mountpoint": "", "ro": "0", "type": \
35-
"disk", "size": "64424509440", "device-id-paths": ["/dev/disk/by-id/wwn-0x6c81f660e6c1d5002a0a4ad00dacf429", \
36-
"/dev/disk/by-id/scsi-36c81f660e6c1d5002a0a4ad00dacf429"]}, {"kname": "sda", "name": "sda", "pkname": "", \
37-
"mountpoint": "", "ro": "0", "type": "disk", \
38-
"children": [{"kname": "sda4", "name": "sda4", "pkname": "sda", "mountpoint": "", "ro": "0", "type": "part", \
39-
"size": "536870912", "device-id-paths": ["/dev/disk/by-id/wwn-0x6c81f660e6c1d5002a0a4ad00dacf429", \
40-
"/dev/disk/by-id/scsi-36c81f660e6c1d5002a0a4ad00dacf429"]}, \
41-
{"kname": "sda2", "name": "sda2", "pkname": "sda", "mountpoint": "", "ro": "0", "type": "part", \
42-
"size": "19327352832", "device-id-paths": ["/dev/disk/by-id/wwn-0x6c81f660e6c1d5002a0a4ad00dacf429", \
43-
"/dev/disk/by-id/scsi-36c81f660e6c1d5002a0a4ad00dacf429"]}, {"kname": "sda5", "name": "sda5", \
44-
"pkname": "sda", "mountpoint": "/var/log", "ro": "0", "type": "part", "size": "4294967296", \
45-
"device-id-paths": ["/dev/disk/by-id/wwn-0x6c81f660e6c1d5002a0a4ad00dacf429", \
46-
"/dev/disk/by-id/scsi-36c81f660e6c1d5002a0a4ad00dacf429"]}, {"kname": "sda3", "name": "sda3", \
47-
"pkname": "sda", "mountpoint": "", "ro": "0", "type": "part", "children": [{"kname": "dm-0", "name": \
25+
"disk", "size": "64424509440"}, {"kname": "sda", "name": "sda", "pkname": "", "mountpoint": "", "ro": "0", "type": \
26+
"disk", "children": [{"kname": "sda4", "name": "sda4", "pkname": "sda", "mountpoint": "", "ro": "0", "type": "part", \
27+
"size": "536870912"}, {"kname": "sda2", "name": "sda2", "pkname": "sda", "mountpoint": "", "ro": "0", "type": "part", \
28+
"size": "19327352832"}, {"kname": "sda5", "name": "sda5", "pkname": "sda", "mountpoint": "/var/log", "ro": "0", \
29+
"type": "part", "size": "4294967296"}, {"kname": "sda3", "name": "sda3", "pkname": "sda", "mountpoint": "", "ro": "0", \
30+
"type": "part", "children": [{"kname": "dm-0", "name": \
4831
"XSLocalEXT--1fad55d2--4f07--8145--c78a--297b173e06b0-1fad55d2--4f07--8145--c78a--297b173e06b0", "pkname": "sda3", \
49-
"mountpoint": "/run/sr-mount/1fad55d2-4f07-8145-c78a-297b173e06b0", "ro": "0", "type": "lvm", "size": "19847446528", \
50-
"device-id-paths": ["/dev/disk/by-id/wwn-0x6c81f660e6c1d5002a0a4ad00dacf429", \
51-
"/dev/disk/by-id/scsi-36c81f660e6c1d5002a0a4ad00dacf429"]}], "size": "19863158272", "device-id-paths": \
52-
["/dev/disk/by-id/wwn-0x6c81f660e6c1d5002a0a4ad00dacf429", "/dev/disk/by-id/scsi-36c81f660e6c1d5002a0a4ad00dacf429"]}, \
53-
{"kname": "sda1", "name": "sda1", "pkname": "sda", "mountpoint": "/", "ro": "0", "type": \
54-
"part", "size": "19327352832", "device-id-paths": ["/dev/disk/by-id/wwn-0x6c81f660e6c1d5002a0a4ad00dacf429", \
55-
"/dev/disk/by-id/scsi-36c81f660e6c1d5002a0a4ad00dacf429"]}, {"kname": "sda6", "name": "sda6", "pkname": "sda", \
56-
"mountpoint": "[SWAP]", "ro": "0", "type": "part", "size": "1073741824", "device-id-paths": \
57-
["/dev/disk/by-id/wwn-0x6c81f660e6c1d5002a0a4ad00dacf429", \
58-
"/dev/disk/by-id/scsi-36c81f660e6c1d5002a0a4ad00dacf429"]}], "size": "64424509440", "device-id-paths": \
59-
["/dev/disk/by-id/wwn-0x6c81f660e6c1d5002a0a4ad00dacf429", "/dev/disk/by-id/scsi-36c81f660e6c1d5002a0a4ad00dacf429"]}]}'
32+
"mountpoint": "/run/sr-mount/1fad55d2-4f07-8145-c78a-297b173e06b0", "ro": "0", "type": "lvm", "size": "19847446528"}], \
33+
"size": "19863158272"}, {"kname": "sda1", "name": "sda1", "pkname": "sda", "mountpoint": "/", "ro": "0", "type": \
34+
"part", "size": "19327352832"}, {"kname": "sda6", "name": "sda6", "pkname": "sda", "mountpoint": "[SWAP]", "ro": "0", \
35+
"type": "part", "size": "1073741824"}], "size": "64424509440"}]}'
6036
res = list_block_devices(None, None)
6137

6238
assert json.loads(res) == json.loads(expected)
39+
run_command.assert_called_once_with(["lsblk", "-P", "-b", "-o", "NAME,KNAME,PKNAME,SIZE,TYPE,RO,MOUNTPOINT"])
6340

6441
def test_lsblk_error(self, run_command):
6542
run_command.side_effect = Exception('Error!')

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