overhaul of rtp view, added simple caching, added rrd graphs

cron.py

@@ -1,19 +1,47 @@
+import os
 from db import *
-from config import *
 from starrs import *
 from proxmox import *
+from flask import Flask, current_app
+
+app = Flask(__name__)
+config = os.path.join(app.config.get('ROOT_DIR', os.getcwd()), "config.py")
+app.config.from_pyfile(config)
 
 
 def process_expired_vms():
-    proxmox = connect_proxmox(PROXMOX_HOST, PROXMOX_USER, PROXMOX_PASS)
-    starrs = connect_starrs(STARRS_DB_NAME, STARRS_DB_USER, STARRS_DB_HOST,
-                            STARRS_DB_PASS)
+    proxmox = connect_proxmox()
+    starrs = connect_starrs()
     expired_vms = get_expired_vms()
-    for vmid in expired_vms:
-        vmname = get_vm_config(proxmox, vmid)['name']
-        delete_vm(proxmox, starrs, vmid)
-        delete_starrs(starrs, vmname)
-        delete_vm_expire(vmid)
+    print(expired_vms)
 
 
-process_expired_vms()
+#    for vmid in expired_vms:
+#        vmname = get_vm_config(proxmox, vmid)['name']
+#        delete_vm(proxmox, starrs, vmid)
+#        delete_starrs(starrs, vmname)
+#        delete_vm_expire(vmid)
+
+
+def get_rrd_graphs():
+    proxmox = connect_proxmox()
+    pools = get_pools(proxmox)
+    for pool in pools:
+        vms = proxmox.pools(pool).get()['members']
+        for vm in vms:
+            vm_dir = "rrd/{}".format(vm['vmid'])
+            if not os.path.exists(vm_dir):
+                os.makedirs(vm_dir)
+            sources = [
+                'cpu', 'mem', 'netin', 'netout', 'diskread', 'diskwrite'
+            ]
+            for source in sources:
+                image = get_rrd_for_vm(proxmox, vm['vmid'], source, 'day')
+                with open("rrd/{}/{}.png".format(vm['vmid'], source),
+                          'wb') as f:
+                    f.write(image.encode('raw_unicode_escape'))
+
+
+with app.app_context():
+    process_expired_vms()
+    get_rrd_graphs()