From 9570f628ec485cb2fe52685555103dfe2a89e596 Mon Sep 17 00:00:00 2001
From: Lars Wirzenius <liw@liw.fi>
Date: Thu, 24 Jan 2019 09:04:15 +0200
Subject: Add: status subcommand

---
 README   |  4 ++--
 effitool | 38 ++++++++++++++++++++++++++++++++++++++
 2 files changed, 40 insertions(+), 2 deletions(-)

diff --git a/README b/README
index de4a787..ccc3425 100644
--- a/README
+++ b/README
@@ -39,9 +39,9 @@ The list of known servers can be listed:
 Usage: 
 -----------------------------------------------------------------------------
 
-To check the version of the membership register:
+To check the status of the membership register:
 
-    ./effitool version
+    ./effitool status
 
 Legalese
 -----------------------------------------------------------------------------
diff --git a/effitool b/effitool
index 35c03c0..1032da5 100755
--- a/effitool
+++ b/effitool
@@ -18,11 +18,15 @@
 
 import argparse
 import configparser
+import http
+import json
 import os
 import sys
+import urllib.request
 
 
 CONFIG_FILENAME = os.path.expanduser('~/.config/effitool/credentials.conf')
+JSON = 'application/json'
 
 
 class Config:
@@ -49,6 +53,30 @@ class Config:
         }
 
 
+class HTTPAPI:
+
+    def __init__(self, url):
+        self._url = url
+
+    def url(self, path):
+        return '{}{}'.format(self._url, path)
+
+    def get(self, path):
+        url = self.url(path)
+        with urllib.request.urlopen(url) as r:
+            status = r.getcode()
+            if status != http.HTTPStatus.OK:
+                raise Exception('Got HTTP status {}'.format(status))
+
+            info = r.info()
+            ct = info.get_content_type()
+            if ct != JSON:
+                raise Exception('Response is not JSON: {}'.ct)
+
+            body = r.read()
+            return json.loads(body)
+
+
 def list_servers(args, config):
     for name in config.servers():
         print('server', name)
@@ -57,9 +85,19 @@ def list_servers(args, config):
             print('  ', key, server[key])
 
 
+def status(args, config):
+    for name in config.servers():
+        server = config.get(name)
+        url = server['url']
+        api = HTTPAPI(url)
+        obj = api.get('/status')
+        print('server', name, obj['resources'])
+
+
 def process_args(config):
     subcommands = [
         ('list-servers', list_servers),
+        ('status', status),
     ]
 
     p = argparse.ArgumentParser()
-- 
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