From 24ce165d9ca662f9a0438e658197ff41fd02ae03 Mon Sep 17 00:00:00 2001
From: Thomas Wiest <twiest@redhat.com>
Date: Mon, 30 Mar 2015 17:46:21 -0400
Subject: created a python package named openshift_ansible

---
 bin/openshift_ansible/awsutil.py | 142 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 142 insertions(+)
 create mode 100644 bin/openshift_ansible/awsutil.py

(limited to 'bin/openshift_ansible/awsutil.py')

diff --git a/bin/openshift_ansible/awsutil.py b/bin/openshift_ansible/awsutil.py
new file mode 100644
index 000000000..8fef0a24f
--- /dev/null
+++ b/bin/openshift_ansible/awsutil.py
@@ -0,0 +1,142 @@
+# vim: expandtab:tabstop=4:shiftwidth=4
+
+import subprocess
+import os
+import json
+import re
+
+class AwsUtil(object):
+    def __init__(self, inventory_path=None, host_type_aliases={}):
+        self.host_type_aliases = host_type_aliases
+        self.file_path = os.path.join(os.path.dirname(os.path.realpath(__file__)))
+
+        if inventory_path is None:
+            inventory_path = os.path.realpath(os.path.join(self.file_path, \
+                                              '..', '..', 'inventory', \
+                                              'multi_ec2.py'))
+
+        if not os.path.isfile(inventory_path):
+            raise Exception("Inventory file not found [%s]" % inventory_path)
+
+        self.inventory_path = inventory_path
+        self.setup_host_type_alias_lookup()
+
+    def setup_host_type_alias_lookup(self):
+        self.alias_lookup = {}
+        for key, values in self.host_type_aliases.iteritems():
+            for value in values:
+                self.alias_lookup[value] = key
+
+
+
+    def get_inventory(self,args=[]):
+        cmd = [self.inventory_path]
+
+        if args:
+            cmd.extend(args)
+
+        env = os.environ
+
+        p = subprocess.Popen(cmd, stderr=subprocess.PIPE,
+                         stdout=subprocess.PIPE, env=env)
+
+        out,err = p.communicate()
+
+        if p.returncode != 0:
+            raise RuntimeError(err)
+
+        return json.loads(out.strip())
+
+    def get_environments(self):
+        pattern = re.compile(r'^tag_environment_(.*)')
+
+        envs = []
+        inv = self.get_inventory()
+        for key in inv.keys():
+            m = pattern.match(key)
+            if m:
+                envs.append(m.group(1))
+
+        envs.sort()
+        return envs
+
+    def get_host_types(self):
+        pattern = re.compile(r'^tag_host-type_(.*)')
+
+        host_types = []
+        inv = self.get_inventory()
+        for key in inv.keys():
+            m = pattern.match(key)
+            if m:
+                host_types.append(m.group(1))
+
+        host_types.sort()
+        return host_types
+
+    def get_security_groups(self):
+        pattern = re.compile(r'^security_group_(.*)')
+
+        groups = []
+        inv = self.get_inventory()
+        for key in inv.keys():
+            m = pattern.match(key)
+            if m:
+                groups.append(m.group(1))
+
+        groups.sort()
+        return groups
+
+    def build_host_dict_by_env(self, args=[]):
+        inv = self.get_inventory(args)
+
+        inst_by_env = {}
+        for dns, host in inv['_meta']['hostvars'].items():
+            # If you don't have an environment tag, we're going to ignore you
+            if 'ec2_tag_environment' not in host:
+                continue
+
+            if host['ec2_tag_environment'] not in inst_by_env:
+                inst_by_env[host['ec2_tag_environment']] = {}
+            host_id = "%s:%s" % (host['ec2_tag_Name'],host['ec2_id'])
+            inst_by_env[host['ec2_tag_environment']][host_id] = host
+
+        return inst_by_env
+
+    # Display host_types
+    def print_host_types(self):
+        host_types = self.get_host_types()
+        ht_format_str = "%35s"
+        alias_format_str = "%-20s"
+        combined_format_str = ht_format_str + "    " + alias_format_str
+
+        print
+        print combined_format_str % ('Host Types', 'Aliases')
+        print combined_format_str % ('----------', '-------')
+
+        for ht in host_types:
+            aliases = []
+            if ht in self.host_type_aliases:
+                aliases = self.host_type_aliases[ht]
+                print combined_format_str % (ht, ", ".join(aliases))
+            else:
+                print  ht_format_str % ht
+        print
+
+    # Convert host-type aliases to real a host-type
+    def resolve_host_type(self, host_type):
+        if self.alias_lookup.has_key(host_type):
+            return self.alias_lookup[host_type]
+        return host_type
+
+    def gen_env_host_type_tag(self, host_type, env):
+        """Generate the environment host type tag
+        """
+        host_type = self.resolve_host_type(host_type)
+        return "tag_env-host-type_%s-%s" % (env, host_type)
+
+    def get_host_list(self, host_type, env):
+        """Get the list of hosts from the inventory using host-type and environment
+        """
+        inv = self.get_inventory()
+        host_type_tag = self.gen_env_host_type_tag(host_type, env)
+        return inv[host_type_tag]
-- 
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