From 6b1ffe9ed5bbba02d8686b658d843c8e4f311661 Mon Sep 17 00:00:00 2001
From: Xuewei Zhang <xueweiz@google.com>
Date: Fri, 31 Aug 2018 15:14:52 -0700
Subject: [PATCH 1/2] [policies] add COS policy

Add a basic policy class for Container-Optimized OS (COS).

A new CosPlugin tagging class is introduced for COS-specific plugin
cases.

Signed-off-by: Xuewei Zhang <xueweiz@google.com>
---
 sos/plugins/__init__.py |  5 +++++
 sos/policies/cos.py     | 24 ++++++++++++++++++++++++
 2 files changed, 29 insertions(+)
 create mode 100644 sos/policies/cos.py

diff --git a/sos/plugins/__init__.py b/sos/plugins/__init__.py
index 82fef18e..967757f2 100644
--- a/sos/plugins/__init__.py
+++ b/sos/plugins/__init__.py
@@ -1253,6 +1253,11 @@ class SuSEPlugin(object):
     pass
 
 
+class CosPlugin(object):
+    """Tagging class for Container-Optimized OS distributions"""
+    pass
+
+
 class IndependentPlugin(object):
     """Tagging class for plugins that can run on any platform"""
     pass
diff --git a/sos/policies/cos.py b/sos/policies/cos.py
new file mode 100644
index 00000000..acd9a4ab
--- /dev/null
+++ b/sos/policies/cos.py
@@ -0,0 +1,24 @@
+from sos.plugins import CosPlugin
+from sos.policies import LinuxPolicy
+
+import os
+
+
+class CosPolicy(LinuxPolicy):
+    distro = "Container-Optimized OS"
+    vendor = "Google Cloud Platform"
+    vendor_url = "https://cloud.google.com/container-optimized-os/"
+    valid_subclasses = [CosPlugin]
+    PATH = "/usr/local/bin:/usr/local/sbin:/usr/bin:/usr/sbin:/bin:/sbin"
+
+    @classmethod
+    def check(cls):
+        try:
+            with open('/etc/os-release', 'r') as fp:
+                os_release = dict(line.strip().split('=') for line in fp)
+                id = os_release.get('ID')
+                return id == 'cos'
+        except IOError:
+            return False
+
+# vim: set et ts=4 sw=4 :
-- 
2.19.0.397.gdd90340f6a-goog