collectors/mdadm_linux: support reshape status + expose remaining mdstats

Signed-off-by: Philipp Born <git@pborn.eu>

Author: tamcore

collector/fixtures/e2e-64k-page-output.txt

@@ -1556,6 +1556,7 @@ node_md_blocks{device="md201"} 1.993728e+06
 node_md_blocks{device="md219"} 7932
 node_md_blocks{device="md3"} 5.853468288e+09
 node_md_blocks{device="md4"} 4.883648e+06
+node_md_blocks{device="md42"} 1.95338144e+09
 node_md_blocks{device="md6"} 1.95310144e+08
 node_md_blocks{device="md7"} 7.813735424e+09
 node_md_blocks{device="md8"} 1.95310144e+08
@@ -1575,10 +1576,51 @@ node_md_blocks_synced{device="md201"} 114176
 node_md_blocks_synced{device="md219"} 7932
 node_md_blocks_synced{device="md3"} 5.853468288e+09
 node_md_blocks_synced{device="md4"} 4.883648e+06
+node_md_blocks_synced{device="md42"} 1.95338144e+09
 node_md_blocks_synced{device="md6"} 1.6775552e+07
 node_md_blocks_synced{device="md7"} 7.813735424e+09
 node_md_blocks_synced{device="md8"} 1.6775552e+07
 node_md_blocks_synced{device="md9"} 0
+# HELP node_md_blocks_synced_speed Estimated finishing time for current sync.
+# TYPE node_md_blocks_synced_speed gauge
+node_md_blocks_synced_speed{device="md0"} 0
+node_md_blocks_synced_speed{device="md00"} 0
+node_md_blocks_synced_speed{device="md10"} 0
+node_md_blocks_synced_speed{device="md101"} 0
+node_md_blocks_synced_speed{device="md11"} 0
+node_md_blocks_synced_speed{device="md12"} 0
+node_md_blocks_synced_speed{device="md120"} 0
+node_md_blocks_synced_speed{device="md126"} 0
+node_md_blocks_synced_speed{device="md127"} 0
+node_md_blocks_synced_speed{device="md201"} 0.2
+node_md_blocks_synced_speed{device="md219"} 0
+node_md_blocks_synced_speed{device="md3"} 0
+node_md_blocks_synced_speed{device="md4"} 0
+node_md_blocks_synced_speed{device="md42"} 0
+node_md_blocks_synced_speed{device="md6"} 17
+node_md_blocks_synced_speed{device="md7"} 0
+node_md_blocks_synced_speed{device="md8"} 17
+node_md_blocks_synced_speed{device="md9"} 0
+# HELP node_md_blocks_to_be_synced Number of blocks on the device that need to be synced.
+# TYPE node_md_blocks_to_be_synced gauge
+node_md_blocks_to_be_synced{device="md0"} 248896
+node_md_blocks_to_be_synced{device="md00"} 4.186624e+06
+node_md_blocks_to_be_synced{device="md10"} 3.14159265e+08
+node_md_blocks_to_be_synced{device="md101"} 322560
+node_md_blocks_to_be_synced{device="md11"} 4.190208e+06
+node_md_blocks_to_be_synced{device="md12"} 3.886394368e+09
+node_md_blocks_to_be_synced{device="md120"} 2.095104e+06
+node_md_blocks_to_be_synced{device="md126"} 1.855870976e+09
+node_md_blocks_to_be_synced{device="md127"} 3.12319552e+08
+node_md_blocks_to_be_synced{device="md201"} 1.993728e+06
+node_md_blocks_to_be_synced{device="md219"} 7932
+node_md_blocks_to_be_synced{device="md3"} 5.853468288e+09
+node_md_blocks_to_be_synced{device="md4"} 4.883648e+06
+node_md_blocks_to_be_synced{device="md42"} 1.95338144e+09
+node_md_blocks_to_be_synced{device="md6"} 1.95310144e+08
+node_md_blocks_to_be_synced{device="md7"} 7.813735424e+09
+node_md_blocks_to_be_synced{device="md8"} 1.95310144e+08
+node_md_blocks_to_be_synced{device="md9"} 523968
 # HELP node_md_disks Number of active/failed/spare disks of device.
 # TYPE node_md_disks gauge
 node_md_disks{device="md0",state="active"} 2
@@ -1620,6 +1662,9 @@ node_md_disks{device="md3",state="spare"} 2
 node_md_disks{device="md4",state="active"} 0
 node_md_disks{device="md4",state="failed"} 1
 node_md_disks{device="md4",state="spare"} 1
+node_md_disks{device="md42",state="active"} 2
+node_md_disks{device="md42",state="failed"} 0
+node_md_disks{device="md42",state="spare"} 1
 node_md_disks{device="md6",state="active"} 1
 node_md_disks{device="md6",state="failed"} 1
 node_md_disks{device="md6",state="spare"} 1
@@ -1647,6 +1692,7 @@ node_md_disks_required{device="md201"} 2
 node_md_disks_required{device="md219"} 0
 node_md_disks_required{device="md3"} 8
 node_md_disks_required{device="md4"} 0
+node_md_disks_required{device="md42"} 3
 node_md_disks_required{device="md6"} 2
 node_md_disks_required{device="md7"} 4
 node_md_disks_required{device="md8"} 2
@@ -1657,86 +1703,109 @@ node_md_state{device="md0",state="active"} 1
 node_md_state{device="md0",state="check"} 0
 node_md_state{device="md0",state="inactive"} 0
 node_md_state{device="md0",state="recovering"} 0
+node_md_state{device="md0",state="reshaping"} 0
 node_md_state{device="md0",state="resync"} 0
 node_md_state{device="md00",state="active"} 1
 node_md_state{device="md00",state="check"} 0
 node_md_state{device="md00",state="inactive"} 0
 node_md_state{device="md00",state="recovering"} 0
+node_md_state{device="md00",state="reshaping"} 0
 node_md_state{device="md00",state="resync"} 0
 node_md_state{device="md10",state="active"} 1
 node_md_state{device="md10",state="check"} 0
 node_md_state{device="md10",state="inactive"} 0
 node_md_state{device="md10",state="recovering"} 0
+node_md_state{device="md10",state="reshaping"} 0
 node_md_state{device="md10",state="resync"} 0
 node_md_state{device="md101",state="active"} 1
 node_md_state{device="md101",state="check"} 0
 node_md_state{device="md101",state="inactive"} 0
 node_md_state{device="md101",state="recovering"} 0
+node_md_state{device="md101",state="reshaping"} 0
 node_md_state{device="md101",state="resync"} 0
 node_md_state{device="md11",state="active"} 0
 node_md_state{device="md11",state="check"} 0
 node_md_state{device="md11",state="inactive"} 0
 node_md_state{device="md11",state="recovering"} 0
+node_md_state{device="md11",state="reshaping"} 0
 node_md_state{device="md11",state="resync"} 1
 node_md_state{device="md12",state="active"} 1
 node_md_state{device="md12",state="check"} 0
 node_md_state{device="md12",state="inactive"} 0
 node_md_state{device="md12",state="recovering"} 0
+node_md_state{device="md12",state="reshaping"} 0
 node_md_state{device="md12",state="resync"} 0
 node_md_state{device="md120",state="active"} 1
 node_md_state{device="md120",state="check"} 0
 node_md_state{device="md120",state="inactive"} 0
 node_md_state{device="md120",state="recovering"} 0
+node_md_state{device="md120",state="reshaping"} 0
 node_md_state{device="md120",state="resync"} 0
 node_md_state{device="md126",state="active"} 1
 node_md_state{device="md126",state="check"} 0
 node_md_state{device="md126",state="inactive"} 0
 node_md_state{device="md126",state="recovering"} 0
+node_md_state{device="md126",state="reshaping"} 0
 node_md_state{device="md126",state="resync"} 0
 node_md_state{device="md127",state="active"} 1
 node_md_state{device="md127",state="check"} 0
 node_md_state{device="md127",state="inactive"} 0
 node_md_state{device="md127",state="recovering"} 0
+node_md_state{device="md127",state="reshaping"} 0
 node_md_state{device="md127",state="resync"} 0
 node_md_state{device="md201",state="active"} 0
 node_md_state{device="md201",state="check"} 1
 node_md_state{device="md201",state="inactive"} 0
 node_md_state{device="md201",state="recovering"} 0
+node_md_state{device="md201",state="reshaping"} 0
 node_md_state{device="md201",state="resync"} 0
 node_md_state{device="md219",state="active"} 0
 node_md_state{device="md219",state="check"} 0
 node_md_state{device="md219",state="inactive"} 1
 node_md_state{device="md219",state="recovering"} 0
+node_md_state{device="md219",state="reshaping"} 0
 node_md_state{device="md219",state="resync"} 0
 node_md_state{device="md3",state="active"} 1
 node_md_state{device="md3",state="check"} 0
 node_md_state{device="md3",state="inactive"} 0
 node_md_state{device="md3",state="recovering"} 0
+node_md_state{device="md3",state="reshaping"} 0
 node_md_state{device="md3",state="resync"} 0
 node_md_state{device="md4",state="active"} 0
 node_md_state{device="md4",state="check"} 0
 node_md_state{device="md4",state="inactive"} 1
 node_md_state{device="md4",state="recovering"} 0
+node_md_state{device="md4",state="reshaping"} 0
 node_md_state{device="md4",state="resync"} 0
+node_md_state{device="md42",state="active"} 1
+node_md_state{device="md42",state="check"} 0
+node_md_state{device="md42",state="inactive"} 0
+node_md_state{device="md42",state="recovering"} 0
+node_md_state{device="md42",state="reshaping"} 0
+node_md_state{device="md42",state="resync"} 0
 node_md_state{device="md6",state="active"} 0
 node_md_state{device="md6",state="check"} 0
 node_md_state{device="md6",state="inactive"} 0
 node_md_state{device="md6",state="recovering"} 1
+node_md_state{device="md6",state="reshaping"} 0
 node_md_state{device="md6",state="resync"} 0
 node_md_state{device="md7",state="active"} 1
 node_md_state{device="md7",state="check"} 0
 node_md_state{device="md7",state="inactive"} 0
 node_md_state{device="md7",state="recovering"} 0
+node_md_state{device="md7",state="reshaping"} 0
 node_md_state{device="md7",state="resync"} 0
 node_md_state{device="md8",state="active"} 0
 node_md_state{device="md8",state="check"} 0
 node_md_state{device="md8",state="inactive"} 0
 node_md_state{device="md8",state="recovering"} 0
+node_md_state{device="md8",state="reshaping"} 0
 node_md_state{device="md8",state="resync"} 1
 node_md_state{device="md9",state="active"} 0
 node_md_state{device="md9",state="check"} 0
 node_md_state{device="md9",state="inactive"} 0
 node_md_state{device="md9",state="recovering"} 0
+node_md_state{device="md9",state="reshaping"} 0
 node_md_state{device="md9",state="resync"} 1
 # HELP node_memory_Active_anon_bytes Memory information field Active_anon_bytes.
 # TYPE node_memory_Active_anon_bytes gauge

collector/fixtures/e2e-output.txt

@@ -1578,6 +1578,7 @@ node_md_blocks{device="md201"} 1.993728e+06
 node_md_blocks{device="md219"} 7932
 node_md_blocks{device="md3"} 5.853468288e+09
 node_md_blocks{device="md4"} 4.883648e+06
+node_md_blocks{device="md42"} 1.95338144e+09
 node_md_blocks{device="md6"} 1.95310144e+08
 node_md_blocks{device="md7"} 7.813735424e+09
 node_md_blocks{device="md8"} 1.95310144e+08
@@ -1597,10 +1598,51 @@ node_md_blocks_synced{device="md201"} 114176
 node_md_blocks_synced{device="md219"} 7932
 node_md_blocks_synced{device="md3"} 5.853468288e+09
 node_md_blocks_synced{device="md4"} 4.883648e+06
+node_md_blocks_synced{device="md42"} 1.95338144e+09
 node_md_blocks_synced{device="md6"} 1.6775552e+07
 node_md_blocks_synced{device="md7"} 7.813735424e+09
 node_md_blocks_synced{device="md8"} 1.6775552e+07
 node_md_blocks_synced{device="md9"} 0
+# HELP node_md_blocks_synced_speed Estimated finishing time for current sync.
+# TYPE node_md_blocks_synced_speed gauge
+node_md_blocks_synced_speed{device="md0"} 0
+node_md_blocks_synced_speed{device="md00"} 0
+node_md_blocks_synced_speed{device="md10"} 0
+node_md_blocks_synced_speed{device="md101"} 0
+node_md_blocks_synced_speed{device="md11"} 0
+node_md_blocks_synced_speed{device="md12"} 0
+node_md_blocks_synced_speed{device="md120"} 0
+node_md_blocks_synced_speed{device="md126"} 0
+node_md_blocks_synced_speed{device="md127"} 0
+node_md_blocks_synced_speed{device="md201"} 0.2
+node_md_blocks_synced_speed{device="md219"} 0
+node_md_blocks_synced_speed{device="md3"} 0
+node_md_blocks_synced_speed{device="md4"} 0
+node_md_blocks_synced_speed{device="md42"} 0
+node_md_blocks_synced_speed{device="md6"} 17
+node_md_blocks_synced_speed{device="md7"} 0
+node_md_blocks_synced_speed{device="md8"} 17
+node_md_blocks_synced_speed{device="md9"} 0
+# HELP node_md_blocks_to_be_synced Number of blocks on the device that need to be synced.
+# TYPE node_md_blocks_to_be_synced gauge
+node_md_blocks_to_be_synced{device="md0"} 248896
+node_md_blocks_to_be_synced{device="md00"} 4.186624e+06
+node_md_blocks_to_be_synced{device="md10"} 3.14159265e+08
+node_md_blocks_to_be_synced{device="md101"} 322560
+node_md_blocks_to_be_synced{device="md11"} 4.190208e+06
+node_md_blocks_to_be_synced{device="md12"} 3.886394368e+09
+node_md_blocks_to_be_synced{device="md120"} 2.095104e+06
+node_md_blocks_to_be_synced{device="md126"} 1.855870976e+09
+node_md_blocks_to_be_synced{device="md127"} 3.12319552e+08
+node_md_blocks_to_be_synced{device="md201"} 1.993728e+06
+node_md_blocks_to_be_synced{device="md219"} 7932
+node_md_blocks_to_be_synced{device="md3"} 5.853468288e+09
+node_md_blocks_to_be_synced{device="md4"} 4.883648e+06
+node_md_blocks_to_be_synced{device="md42"} 1.95338144e+09
+node_md_blocks_to_be_synced{device="md6"} 1.95310144e+08
+node_md_blocks_to_be_synced{device="md7"} 7.813735424e+09
+node_md_blocks_to_be_synced{device="md8"} 1.95310144e+08
+node_md_blocks_to_be_synced{device="md9"} 523968
 # HELP node_md_disks Number of active/failed/spare disks of device.
 # TYPE node_md_disks gauge
 node_md_disks{device="md0",state="active"} 2
@@ -1642,6 +1684,9 @@ node_md_disks{device="md3",state="spare"} 2
 node_md_disks{device="md4",state="active"} 0
 node_md_disks{device="md4",state="failed"} 1
 node_md_disks{device="md4",state="spare"} 1
+node_md_disks{device="md42",state="active"} 2
+node_md_disks{device="md42",state="failed"} 0
+node_md_disks{device="md42",state="spare"} 1
 node_md_disks{device="md6",state="active"} 1
 node_md_disks{device="md6",state="failed"} 1
 node_md_disks{device="md6",state="spare"} 1
@@ -1669,6 +1714,7 @@ node_md_disks_required{device="md201"} 2
 node_md_disks_required{device="md219"} 0
 node_md_disks_required{device="md3"} 8
 node_md_disks_required{device="md4"} 0
+node_md_disks_required{device="md42"} 3
 node_md_disks_required{device="md6"} 2
 node_md_disks_required{device="md7"} 4
 node_md_disks_required{device="md8"} 2
@@ -1679,86 +1725,109 @@ node_md_state{device="md0",state="active"} 1
 node_md_state{device="md0",state="check"} 0
 node_md_state{device="md0",state="inactive"} 0
 node_md_state{device="md0",state="recovering"} 0
+node_md_state{device="md0",state="reshaping"} 0
 node_md_state{device="md0",state="resync"} 0
 node_md_state{device="md00",state="active"} 1
 node_md_state{device="md00",state="check"} 0
 node_md_state{device="md00",state="inactive"} 0
 node_md_state{device="md00",state="recovering"} 0
+node_md_state{device="md00",state="reshaping"} 0
 node_md_state{device="md00",state="resync"} 0
 node_md_state{device="md10",state="active"} 1
 node_md_state{device="md10",state="check"} 0
 node_md_state{device="md10",state="inactive"} 0
 node_md_state{device="md10",state="recovering"} 0
+node_md_state{device="md10",state="reshaping"} 0
 node_md_state{device="md10",state="resync"} 0
 node_md_state{device="md101",state="active"} 1
 node_md_state{device="md101",state="check"} 0
 node_md_state{device="md101",state="inactive"} 0
 node_md_state{device="md101",state="recovering"} 0
+node_md_state{device="md101",state="reshaping"} 0
 node_md_state{device="md101",state="resync"} 0
 node_md_state{device="md11",state="active"} 0
 node_md_state{device="md11",state="check"} 0
 node_md_state{device="md11",state="inactive"} 0
 node_md_state{device="md11",state="recovering"} 0
+node_md_state{device="md11",state="reshaping"} 0
 node_md_state{device="md11",state="resync"} 1
 node_md_state{device="md12",state="active"} 1
 node_md_state{device="md12",state="check"} 0
 node_md_state{device="md12",state="inactive"} 0
 node_md_state{device="md12",state="recovering"} 0
+node_md_state{device="md12",state="reshaping"} 0
 node_md_state{device="md12",state="resync"} 0
 node_md_state{device="md120",state="active"} 1
 node_md_state{device="md120",state="check"} 0
 node_md_state{device="md120",state="inactive"} 0
 node_md_state{device="md120",state="recovering"} 0
+node_md_state{device="md120",state="reshaping"} 0
 node_md_state{device="md120",state="resync"} 0
 node_md_state{device="md126",state="active"} 1
 node_md_state{device="md126",state="check"} 0
 node_md_state{device="md126",state="inactive"} 0
 node_md_state{device="md126",state="recovering"} 0
+node_md_state{device="md126",state="reshaping"} 0
 node_md_state{device="md126",state="resync"} 0
 node_md_state{device="md127",state="active"} 1
 node_md_state{device="md127",state="check"} 0
 node_md_state{device="md127",state="inactive"} 0
 node_md_state{device="md127",state="recovering"} 0
+node_md_state{device="md127",state="reshaping"} 0
 node_md_state{device="md127",state="resync"} 0
 node_md_state{device="md201",state="active"} 0
 node_md_state{device="md201",state="check"} 1
 node_md_state{device="md201",state="inactive"} 0
 node_md_state{device="md201",state="recovering"} 0
+node_md_state{device="md201",state="reshaping"} 0
 node_md_state{device="md201",state="resync"} 0
 node_md_state{device="md219",state="active"} 0
 node_md_state{device="md219",state="check"} 0
 node_md_state{device="md219",state="inactive"} 1
 node_md_state{device="md219",state="recovering"} 0
+node_md_state{device="md219",state="reshaping"} 0
 node_md_state{device="md219",state="resync"} 0
 node_md_state{device="md3",state="active"} 1
 node_md_state{device="md3",state="check"} 0
 node_md_state{device="md3",state="inactive"} 0
 node_md_state{device="md3",state="recovering"} 0
+node_md_state{device="md3",state="reshaping"} 0
 node_md_state{device="md3",state="resync"} 0
 node_md_state{device="md4",state="active"} 0
 node_md_state{device="md4",state="check"} 0
 node_md_state{device="md4",state="inactive"} 1
 node_md_state{device="md4",state="recovering"} 0
+node_md_state{device="md4",state="reshaping"} 0
 node_md_state{device="md4",state="resync"} 0
+node_md_state{device="md42",state="active"} 1
+node_md_state{device="md42",state="check"} 0
+node_md_state{device="md42",state="inactive"} 0
+node_md_state{device="md42",state="recovering"} 0
+node_md_state{device="md42",state="reshaping"} 0
+node_md_state{device="md42",state="resync"} 0
 node_md_state{device="md6",state="active"} 0
 node_md_state{device="md6",state="check"} 0
 node_md_state{device="md6",state="inactive"} 0
 node_md_state{device="md6",state="recovering"} 1
+node_md_state{device="md6",state="reshaping"} 0
 node_md_state{device="md6",state="resync"} 0
 node_md_state{device="md7",state="active"} 1
 node_md_state{device="md7",state="check"} 0
 node_md_state{device="md7",state="inactive"} 0
 node_md_state{device="md7",state="recovering"} 0
+node_md_state{device="md7",state="reshaping"} 0
 node_md_state{device="md7",state="resync"} 0
 node_md_state{device="md8",state="active"} 0
 node_md_state{device="md8",state="check"} 0
 node_md_state{device="md8",state="inactive"} 0
 node_md_state{device="md8",state="recovering"} 0
+node_md_state{device="md8",state="reshaping"} 0
 node_md_state{device="md8",state="resync"} 1
 node_md_state{device="md9",state="active"} 0
 node_md_state{device="md9",state="check"} 0
 node_md_state{device="md9",state="inactive"} 0
 node_md_state{device="md9",state="recovering"} 0
+node_md_state{device="md9",state="reshaping"} 0
 node_md_state{device="md9",state="resync"} 1
 # HELP node_memory_Active_anon_bytes Memory information field Active_anon_bytes.
 # TYPE node_memory_Active_anon_bytes gauge

collector/fixtures/proc/mdstat

@@ -57,4 +57,9 @@ md120 : active linear sda1[1] sdb1[0]
 md101 : active (read-only) raid0 sdb[2] sdd[1] sdc[0]
       322560 blocks super 1.2 512k chunks
 
+md42 : active raid5 sda1[3](S) sdd1[0] sde1[1]
+      1953381440 blocks super 1.2 level 5, 64k chunk, algorithm 2 [3/2] [UU_]
+      [===========>.........]  reshape = 56.1% (1096879076/1953381440) finish=1868.1min speed=7640K/sec
+      bitmap: 4/15 pages [16KB], 65536KB chunk
+
 unused devices: <none>