Seed code for hw-detector

[ta/hw-detector.git] / src / hw_detector / hw_utils.py

diff --git a/src/hw_detector/hw_utils.py b/src/hw_detector/hw_utils.py
new file mode 100644 (file)
index 0000000..7267e4c
--- /dev/null
+++ b/src/hw_detector/hw_utils.py
@@ -0,0 +1,92 @@
+# Copyright 2019 Nokia
+
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import hw_detector.hw_ipmi_lib as hw_ipmi_lib
+import hw_detector.hw_types as hw_types
+
+info = {}
+
+def get_match(info):
+    matches = {}
+
+    for hw in hw_types.types:
+        amount = hw.match(info)
+        if amount != 0:
+            matches[hw.hw_type] = amount
+
+    if matches:
+        return sorted(matches, key=matches.get, reverse=True)[0]
+
+    return 'Unknown'
+
+def get_info(ipmi_addr=None, ipmi_user=None, ipmi_pass=None, detect_virtual=True):
+    global info
+    if is_virtual(detect_virtual):
+        return {'Board Product' : 'VIRTUAL'}
+    if info.get(ipmi_addr, False):
+        return info[ipmi_addr]
+    if ipmi_addr:
+        info[ipmi_addr] = hw_ipmi_lib.get_ipmi_info(ipmi_addr, ipmi_user, ipmi_pass)
+    else:
+        return hw_ipmi_lib.get_local_ipmi_info()
+    if ipmi_addr and not info.get(ipmi_addr):
+        info[ipmi_addr] = {}
+
+    return info[ipmi_addr]
+
+def get_type(ipmi_addr=None, ipmi_user=None, ipmi_pass=None, detect_virtual=True):
+    info = get_info(ipmi_addr, ipmi_user, ipmi_pass, detect_virtual)
+    if not info:
+        return 'Unknown'
+
+    matches = get_match(info)
+    return matches
+
+def is_virtual(detect_virtual):
+    if not detect_virtual:
+        return False
+    with open('/proc/cpuinfo') as f:
+        for line in f.readlines():
+            if line.startswith('flags') and 'hypervisor' in  line:
+                return True
+    return False
+
+def _get_hw_with_hw_type(hw_type):
+    for hw in hw_types.types:
+        if hw.hw_type == hw_type:
+            return hw
+
+def get_product_family(hw_type):
+    hw = _get_hw_with_hw_type(hw_type)
+    if hw:
+        return hw.product_family
+    return None
+
+
+def get_vendor(hw_type):
+    hw = _get_hw_with_hw_type(hw_type)
+    if hw:
+        return hw.vendor
+    return None
+
+def hd_with_type(hw_type, hd_type):
+    hw = _get_hw_with_hw_type(hw_type)
+    if hw:
+        return hw.get_disk_by_name(hd_type)
+    #Default behaviour hardware that is not detected
+    return None
+
+def os_hd(hw_type):
+    disk = hd_with_type(hw_type, 'os')
+    return disk if disk else '/dev/sda'