pythonmao
diff --git a/‎others/hostinfo.py‎
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Lines changed: 74 additions & 0 deletions
diff --git a/‎test_inspect/__init__.py‎ b/‎test_inspect/__init__.py‎
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+# Copyright (c) 2013 dotCloud, Inc.
+# All Rights Reserved.
+#
+#    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 multiprocessing
+import os
+
+from oslo_config import cfg
+import psutil
+
+CONF = cfg.CONF
+
+
+def statvfs():
+    docker_path = CONF.docker.root_directory
+    if not os.path.exists(docker_path):
+        docker_path = '/'
+    return psutil.disk_usage(docker_path)
+
+
+def get_disk_usage():
+    # This is the location where Docker stores its containers. It's currently
+    # hardcoded in Docker so it's not configurable yet.
+    st = statvfs()
+    return {
+        'total': st.total,
+        'available': st.free,
+        'used': st.used
+    }
+
+
+def get_total_vcpus():
+    return multiprocessing.cpu_count()
+
+
+def get_vcpus_used(containers):
+    total_vcpus_used = 0
+    for container in containers:
+        if isinstance(container, dict):
+            total_vcpus_used += container.get('Config', {}).get(
+                'CpuShares', 0) / 1024
+
+    return total_vcpus_used
+
+
+def get_memory_usage():
+    vmem = psutil.virtual_memory()
+    return {
+        'total': vmem.total,
+        'used': vmem.used
+    }
+
+
+def get_mounts():
+    with open('/proc/mounts') as f:
+        return f.readlines()
+
+
+def get_cgroup_devices_path():
+    for ln in get_mounts():
+        fields = ln.split(' ')
+        if fields[2] == 'cgroup' and 'devices' in fields[3].split(','):
+            return fields[1]