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CloudStack Android Client - a client for connecting to an account on a CloudStack [www.cloudstack.org] instance.

branch: cumulus

Fixed "disappearing footers" bug for CsSnapshotListFragment

If you swipe the CsSnapshotListFragment too far off screen then get it to reload (e.g. starting from CsSnapshotListFragment, go all the way to CsAccountsFragment and then back), though the snapshot items are all reloaded correctly, the footers do not get shown.  You can get them to re-display by shifting orientation or existing and restarting the app, but not by pausing and resuming it.

Changed the setListAdapter-related code to always null-and-set even when we are re-using a previously set adapter, which seems to make the list recognize the set footers and display them.

CsVmListFragment should have the exact same problem, but since it is the middle screen right now, there doesn't seem to be a case where we can swipe far off enough to get multi-list to unload it.  Made the same fix to CsVmListFragment anyways just in case.

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CsSnapshotListFragment/CsSnapshotListFragment
- fixed disappearing footer bug

README
- updated Cumulus 1.2 APK build number
latest commit 7f61557c39
Tzu-Han Hsu authored February 23, 2012
Octocat-spinner-32 CloudStackAndroidClient Fixed "disappearing footers" bug for CsSnapshotListFragment February 23, 2012
Octocat-spinner-32 CloudStackAndroidClientTest Cumulus Zabbix integration! February 22, 2012
Octocat-spinner-32 ViewPagerIndicator Cumulus Zabbix integration! February 22, 2012
Octocat-spinner-32 .bzrignore Added automatic version update scripts incrementVersion.py and increm… October 05, 2011
Octocat-spinner-32 README Fixed "disappearing footers" bug for CsSnapshotListFragment February 23, 2012
Octocat-spinner-32 generateRevision.py Updated generatedRevision.py script to refect the change in Revision.… February 22, 2012
README
Cumulus: a CloudStack Android Client
------------------------------------
Cumulus (CloudStackAndroidclient) is an Android app for accessing your CloudStack account and data.  It pulls your virtual machine and other data from the CloudStack and saves it locally on the device for quick access and offline viewing.  You can also perform operations on the device, which is executed on the CloudStack in realtime.

We are in the early stages of this project, with only a small number of possible operations implemented at this point.  Further functionality is planned to be implemented after assessing user needs and reaction.  Some candidates for future functionality include creation-related operations, monitoring functionality, and alerts/alarms.

Version 1.2:
If you have registered CloudStack VMs as monitored hosts on a Zabbix server, Cumulus 1.2 allows you to connect to your Zabbix server with your credentials and download recent monitored data of your VMs displayed as a graph.


What do I need to use the app?
----------------------------
- CloudStack URL (+optional domain)
- CloudStack username & password
- api/secret keys generated for user

You will need a valid CloudStack URL and user login credentials to provision the client.  The provisioning process will login with your credentials against the specified CloudStack instance, then fetch the api/secret keys for your user.  Cumulus then throws away your password and uses just these keys for further connections to the CloudStack, so your user must have api/secret keys generated before you can provision. (If you do not have administrator-level rights, please ask your administrator to generate the keys for your user with the "Actions->Generate Keys" command in the Accounts>* Accounts>{some account}>Users tab).  Please note that if your api/secret keys are changed on the CloudStack, you will need to re-provision your account on the client for it to continue to work.

Currently, the client does not provide functionality to create accounts or data, so you must have this data already on the CloudStack before you will be able to see them on Cumulus.

Version 1.2:
To use the Zabbix integration portion of Cumulus 1.2, you will also need:
- Zabbix server url
- Zabbix login name & password
Please note that since integration is via the Zabbix API, Zabbix server version 1.8 or above is required.


How can I install it?
---------------------
The quickest way to just get a working app is to download the pre-built CloudStackAndroidClient.apk file and install it directly on your Android device.  Note that to install apps directly from the APK file, your gSettings->Application Settings->Unknown Sourcesh setting must be enabled.  You can transfer the APK file via an SD card, using a service like Dropbox to transfer it wirelessly, or even email it to yourself.
The lastest pre-built APK is version 1.2 (142).


What Android phones can I use it on?
------------------------------------
Cumulus 1.1 runs on Android API Level 8 (Android 2.2) and above.
(Cumulus 1.0 only runs on API Level 10 (Android 2.3.3) and above)
It was developed on a Softbank Galapagos 003SH handset, and has not currently been tested on other devices.
Usage and testing on other devices are definitely welcome!


What if I want to build the source?
-----------------------------------
The Cumulus code is being developed on Eclipse using, obviously, the Android SDK.  The Android Compatibility Library v4 JAR (android-support-v4.jar; please download separately), Jackson Java JSON Processor lib JARs (jackson-mapper-asl-1.9.0.jar & jackson-core-asl-1.9.0.jar required; please download separately), and AChartEngine JAR (achartengine-0.7.0.jar required; included in repository) will need to be manually linked to the project for it to build.  All other libraries or code (see credits below) used by Cumulus are already embedded into the source.

Besides the actual Cumulus source in the CloudStackAndroidClient folder, there is also a CloudStackAndroidClientTest folder which contains JUnit tests for the client.  Currently there is just a small battery of tests, though we would like to create more and more test coverage.

There is a Python script (generateRevision.py) currently in the source that is an artifact of an automatic version-increment system for Bazaar.  You are free to ignore this script as it does not directly affect the functioning of the app, though the revision information for the app will not be automatically updated in this case.


How is it licensed?
-------------------
Released under the Apache License, v2.0.
The LICENSE file can be found in the CloudStackAndroidClient folder.


How does the Zabbix integration work?
-------------------------------------
Cumulus (1.2) will look for registered hosts on the specified Zabbix server that have the same hostname as your monitored CloudStack VM id.  The agent residing in the monitored VM sends a "Hostname" value to its Zabbix server (this should default to the CloudStack's i-**-**-VM format id if no specific Hostname value is specified in the agent's configuration file, though it may differ depending on your specific OS and agent).  Cumulus links this to the id of the VM (not the user-editable name) it gets from the CloudStack, downloading and showing monitoring data for the host with the same id/hostname.

Host/agent setup on the Zabbix side must be complete for Cumulus to work.  If no host with the same id/hostname can be found for a VM, Cumulus will show an error when attemping to view Zabbix graphs for that VM.

Zabbix integration is done via the Zabbix API, so Zabbix server 1.8 or above is required.  In addition, the Zabbix credentials used must have API access rights.  In contrast to the CloudStack, Zabbix does not offer separate api/secret keys just for authenticating via the API.  To avoid having to repeatedly ask the user to re-enter their password, Zabbix saves the user's credentials locally and automatically re-logins for them as necessary.  The user's credentials are saved to the app's preferences, which is separated and guarded from access by other parties by the Android platform.  The user's locally-saved credentials can be wiped by using the "uplug & clear zabbix data" command on the Zabbix integration screen.

Monitoring data for a host is extremely large, so only the last 3 hours of data will be downloaded to keep waiting time tolerable.  To further trim the storage requirements, the downloaded data is filtered before being saved locally.
In the future, the ability to have server-side filtering would be a great improvement to the experience.






Special thanks to the following people/parties, whose work is used in the implementation of Cumulus!
----------------------------------------------------------------------------------------------------
(in no particular order)
- Jake Wharton for his fantastic Android ViewPagerIndicator widget
  [https://github.com/JakeWharton/Android-ViewPagerIndicator]
  Apache License, v2.0 [http://www.apache.org/licenses/LICENSE-2.0]
- Lorensius W. L. T for his awesome NewQuickAction3D widget
  [https://github.com/lorensiuswlt/NewQuickAction3D]
  Apache License, v2.0 [http://www.apache.org/licenses/LICENSE-2.0]
- Actuate Corporation for their trimQuotes code
  [http://www.java2s.com/Code/Java/Data-Type/Trimsthequotes.htm]
  Eclipse Public License v1.0 [http://www.eclipse.org/legal/epl-v10.html]
- Adrian Cowham and AndroidCookbook.com for his Haptic feedback recipe
  [http://androidcookbook.com/Recipe.seam?recipeId=1242&recipeFrom=ViewTOC&cid=7905]
  Creative Commons CC-BY license [http://creativecommons.org/licenses/by/3.0/]
- Subrat Nayak(~ipapun) for the devine Devine-Icons Part-2 icon set
  [http://ipapun.deviantart.com/]
  Creative Commons CC-BY license [http://creativecommons.org/licenses/by/3.0/]
- Jack Cai(Double-J Design) for the super Super Mono icon set
  [http://www.doublejdesign.co.uk]
  Creative Commons CC-BY license [http://creativecommons.org/licenses/by/3.0/]
- Alvin J. Alexander (DevDaily.com) for the helpful ClientWithResponseHandler example
  [http://www.devdaily.com/java/jwarehouse/commons-httpclient-4.0.3/httpclient/src/examples/org/apache/http/examples/client/ClientWithResponseHandler.java.shtml]
  Apache License, v2.0 [http://www.apache.org/licenses/LICENSE-2.0]
- The Jackson team for the speedy Jackson Java JSON Processor
  [http://jackson.codehaus.org/]
  Apache License, v2.0 [http://www.apache.org/licenses/LICENSE-2.0]
  Current version used: 1.9.0 (core & mapper modules required)
- The AChartEngine team and project for their awesome charting library
  [http://code.google.com/p/achartengine/]
  Apache License, v2.0 [http://www.apache.org/licenses/LICENSE-2.0]
  Current version used: 0.7.0


Credits
-------
Sponsor: Creationline,Inc. [www.creationline.com]
Creator: Tzu-Han Hsu [tzuhan@creationline.com]
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