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[Bug 1705013] [NEW] Opening of Console screen for a VM from horizon takes huge amount of time

 

Public bug reported:

While trying to login into the console of a VM from openstack horizon,
we have to wait very long time till we get the console screen. The only
way to quickly open the console is to get the console URL from the "nova
get-console" command. Clicking on the URL will open up the console
quickly.

Probable cause: When any Instance detail tab action is called all tabs
(Overview, Console, Log, etc) data is gathered via Python calls for
example overview page makes a bunch of calls in a row to get information
for things like flavors, volumes, image data , etc. But then the other
tabs have JS contents that are on demand. Thus increasing the current
load time.

Suggested solution: Each tabs details should be fetched only when the
particular tab action is called.

** Affects: horizon
     Importance: Undecided
         Status: New

** Description changed:

  While trying to login into the console of a VM from openstack horizon,
  we have to wait very long time till we get the console screen. The only
  way to quickly open the console is to get the console URL from the "nova
  get-console" command. Clicking on the URL will open up the console
  quickly.
  
-  
- With Probable cause: When any Instance detail tab action is called all tabs (Overview, Console, Log, etc) data is gathered via Python calls for example overview page makes a bunch of calls in a row to get information for things like flavors, volumes, image data , etc. But then the other tabs have JS contents that are on demand. Thus increasing the load time of the current time.  
+ Probable cause: When any Instance detail tab action is called all tabs
+ (Overview, Console, Log, etc) data is gathered via Python calls for
+ example overview page makes a bunch of calls in a row to get information
+ for things like flavors, volumes, image data , etc. But then the other
+ tabs have JS contents that are on demand. Thus increasing the load time
+ of the current time.
  
- 
- Suggested solution: Each tabs details should be fetched only when the particular tab action is called.
+ Suggested solution: Each tabs details should be fetched only when the
+ particular tab action is called.

** Description changed:

  While trying to login into the console of a VM from openstack horizon,
  we have to wait very long time till we get the console screen. The only
  way to quickly open the console is to get the console URL from the "nova
  get-console" command. Clicking on the URL will open up the console
  quickly.
  
  Probable cause: When any Instance detail tab action is called all tabs
  (Overview, Console, Log, etc) data is gathered via Python calls for
  example overview page makes a bunch of calls in a row to get information
  for things like flavors, volumes, image data , etc. But then the other
- tabs have JS contents that are on demand. Thus increasing the load time
- of the current time.
+ tabs have JS contents that are on demand. Thus increasing the current
+ load time.
  
  Suggested solution: Each tabs details should be fetched only when the
  particular tab action is called.

-- 
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Engineering Team, which is subscribed to OpenStack Dashboard (Horizon).
https://bugs.launchpad.net/bugs/1705013

Title:
  Opening of Console screen for a VM  from horizon takes huge amount of
  time

Status in OpenStack Dashboard (Horizon):
  New

Bug description:
  While trying to login into the console of a VM from openstack horizon,
  we have to wait very long time till we get the console screen. The
  only way to quickly open the console is to get the console URL from
  the "nova get-console" command. Clicking on the URL will open up the
  console quickly.

  Probable cause: When any Instance detail tab action is called all tabs
  (Overview, Console, Log, etc) data is gathered via Python calls for
  example overview page makes a bunch of calls in a row to get
  information for things like flavors, volumes, image data , etc. But
  then the other tabs have JS contents that are on demand. Thus
  increasing the current load time.

  Suggested solution: Each tabs details should be fetched only when the
  particular tab action is called.

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