Add Amazon Linux support to bindep

This patch adds Amazon Linux support to bindep. It already uses yum
in the same way that CentOS/RHEL do, so the only real change is to
check for the platform text string.

Change-Id: I8ec1d7ca76a4984550e704817ce6efe6a898175f

bindep/depends.py

@@ -242,8 +242,8 @@ class Depends(object):
         if distro in ["debian", "ubuntu"]:
             atoms.add("dpkg")
             self.platform = Dpkg()
-        elif distro in ["centos", "redhatenterpriseserver", "fedora",
-                        "opensuseproject", "opensusetumbleweed",
+        elif distro in ["amazonami", "centos", "redhatenterpriseserver",
+                        "fedora", "opensuseproject", "opensusetumbleweed",
                         "suselinux"]:
             if distro == "redhatenterpriseserver":
                 # just short alias

bindep/tests/test_depends.py

@@ -62,6 +62,12 @@ class TestDepends(TestCase):
         mock_checkoutput.assert_called_once_with(["lsb_release", "-cirs"],
                                                  stderr=subprocess.STDOUT)
 
+    def test_detects_amazon_linux(self):
+        with self._mock_lsb("AmazonAMI"):
+            depends = Depends("")
+            self.assertThat(
+                depends.platform_profiles(), Contains("platform:amazonami"))
+
     def test_detects_centos(self):
         with self._mock_lsb("CentOS"):
             depends = Depends("")