Add support for disk.count hardware requirement

spec/hardware/disk.fmf

@@ -16,6 +16,9 @@ description: |
            # String, disk driver requested.
          - driver: "well-known disk driver"
 
+	 # Number or string, the count of disks
+         - count: 2|">= 2"
+
     .. versionchanged:: 1.32
        Added `driver` and `model-name` into specification.
 
@@ -42,6 +45,13 @@ example:
       - model-name: 'PERC H310'
       - driver: '~ sas.*'
 
+  - |
+    # Requested multiple disks with the requested properties
+    disk:
+      - size: '>= 2 GB'
+      - model-name: 'PERC H310'
+      - driver: '~ sas.*'
+      - count: 2
 link:
   - implemented-by: /tmt/steps/provision/artemis.py
     note: "``size`` only"

tmt/hardware.py

@@ -1083,6 +1083,16 @@ def _parse_disk(spec: Spec, disk_index: int) -> BaseConstraint:
         if constraint_name in spec
         ]
 
+    group.constraints += [
+        NumberConstraint.from_specification(
+            f'disk[{disk_index}].{constraint_name}',
+            str(spec[constraint_name]),
+            allowed_operators=[
+                Operator.EQ, Operator.NEQ, Operator.LT, Operator.LTE, Operator.GT, Operator.GTE])
+        for constraint_name in ('count',)
+        if constraint_name in spec
+        ]
+
     return group
 
 

tmt/schemas/provision/hardware.yaml

@@ -148,6 +148,11 @@ definitions:
       driver:
         type: string
 
+      count:
+        anyOf:
+          - type: string
+          - type: integer
+
     additionalProperties: false
 
     # enforce at least one property - we don't care which one, but we don't want