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From Isuru Perera <isu...@wso2.com>
Subject Re: Passing Payload to VMware vCloud VMs
Date Fri, 21 Mar 2014 20:28:22 GMT
Hi all,

I was able to test a PHP cartridge and an LB cartridge successfully on
vCloud!

I will document the steps to create the cartridges and will share soon.

Thanks!

Best Regards,


On Fri, Mar 21, 2014 at 9:34 AM, Isuru Perera <isurup@wso2.com> wrote:

> Hi all,
>
> I committed all changes did for using a customization script to pass
> payloads to VMs.
>
> Please note that I used the property name "shellType", not the
> "shell_type" as discussed.
>
> Now when spawning an instance for vCloud, the relevant script file is read
> and the "PAYLOAD" string will be replaced by the actual payload being
> passed.
>
> For example:
> repository/conf/scripts/*sh*/*customization*
>
> #!/bin/sh
> mkdir -p /tmp/payload
> echo "PAYLOAD" > /tmp/payload/launch-params
> /root/bin/init-vcloud.sh
>
> Note that I call the init-vcloud.sh script from the customization script
> itself, unlike in EC2/OpenStack where we execute the init script from
> /etc/rc.local.
>
> The reason for this is that we need to make sure the init is executed only
> after the payload values were written to the temp file.
>
> I'm working on testing some cartridges on vCloud now.
>
> Thanks!
>
> Best Regards,
>
>
> On Wed, Mar 19, 2014 at 10:40 AM, Isuru Perera <isurup@wso2.com> wrote:
>
>> Hi all,
>>
>> I'm going put these scripts into repository/conf and the "customization"
>> script will be under a specific shell_type directory.
>>
>> The name "customization" will be a constant.
>>
>> For example, for "sh"
>>
>> repository/conf/scripts/*sh*/*customization*
>>
>>
>>
>>
>> On Fri, Mar 14, 2014 at 7:01 PM, Isuru Perera <isurup@wso2.com> wrote:
>>
>>> An update on my effort:
>>>
>>> I was trying to get the customization script working on vCloud and it
>>> was not working.
>>>
>>> I just figured out the issue.
>>>
>>> The script on Ubuntu is invoked via "sh" and I was trying the following
>>> sample script to test.
>>>
>>> #!/bin/bash
>>> echo $1
>>> mkdir /root/isurutest
>>> if [ x$1 == x"precustomization" ]; then
>>> echo "Do Precustomization tasks " `date` > pretasks
>>> elif [ x$1 == x"postcustomization" ]; then
>>> echo "Do Postcustomization tasks " `date` > posttasks
>>> fi
>>>
>>> So this script gives an error.
>>>
>>> precustomization
>>> /root/.customization/customize.sh: 4: [: xprecustomization: unexpected
>>> operator
>>> /root/.customization/customize.sh: 6: [: xprecustomization: unexpected
>>> operator
>>>
>>> The customization script log can be found at
>>> /var/log/vmware-imc/customization.log
>>>
>>> The script is saved at /root/.customization/customize.sh
>>>
>>> I should make sure that the script is working with "sh".
>>>
>>> Also the script will not be updated even if we change it from VMware
>>> vCloud Director interface. I hope this won't be a problem when spawning the
>>> instance via jclouds.
>>>
>>> Now that I found out how customization script works, I will go ahead do
>>> the code changes.
>>>
>>> Thanks!
>>>
>>> Best Regards,
>>>
>>>
>>> On Fri, Mar 14, 2014 at 6:50 PM, Isuru Perera <isurup@wso2.com> wrote:
>>>
>>>> Hi Shaheed,
>>>>
>>>> Thanks for the suggestion.
>>>>
>>>> The plan is to use the customization script and send the payload to
>>>> vCloud VM. Then we plan to configure the base image to read those payload
>>>> and run puppet agent etc.
>>>>
>>>>
>>>> On Thu, Mar 13, 2014 at 2:37 PM, Shaheed Haque <shahhaqu@cisco.com>wrote:
>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> Please ensure that Python2 and Python3 are possible options!
>>>>>
>>>>>
>>>>>
>>>>> (If nothing else, we probably want to encourage people towards these
>>>>> higher layers rather than bash/cmd/etc.)
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> On Thursday 13 March 2014 11:28:36 Isuru Perera wrote:
>>>>>
>>>>> Planning to implement following solution.
>>>>>
>>>>> 1. Define "shell_type" as a property in Cartridge Definition. Possible
>>>>> values can be "bash", "sh", "cmd", etc.
>>>>>
>>>>> 2. Dynamically create a customization script based on "shell_type" in
>>>>> vCloud IaaS implementation.
>>>>>
>>>>> I will try to implement this in an extensible way (without code
>>>>> modifications) for any shell_type.
>>>>>
>>>>> Thanks!
>>>>>
>>>>> Best Regards,
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> On Thu, Mar 13, 2014 at 10:32 AM, Isuru Perera <isurup@wso2.com>
>>>>> wrote:
>>>>>
>>>>> Thanks Udara for the information.
>>>>>
>>>>> So, it seems we have to go ahead with the use of customization script
>>>>> in vCloud.
>>>>>
>>>>> Next problem is that the script is dependent on the target Cartridge
>>>>> OS.
>>>>>
>>>>> Please let me know if you have any suggestions to solve this problem.
>>>>>
>>>>>
>>>>>
>>>>> On Thu, Mar 13, 2014 at 7:44 AM, Udara Liyanage <udara@wso2.com>
>>>>> wrote:
>>>>>
>>>>> AFIR the metadata is read by a init script inside the instance, not
>>>>> the cartridge agent.
>>>>> In EC2 and Openstack we can pass the user data using jclouds API.
>>>>> However it can not be done in VCloud scenario. In VCloud custom metadata
>>>>> can be stored in VApp. However in order retrieve username/password are
>>>>> needed.
>>>>>
>>>>> I'v written to some blog post where they suggest to go via script as
>>>>> Isuru is trying.
>>>>>
>>>>>
>>>>>
>>>>> Touched, not typed. Erroneous words are a feature, not a typo.
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> --
>>>>>
>>>>> Isuru Perera
>>>>> Senior Software Engineer | WSO2, Inc. | http://wso2.com/
>>>>> Lean . Enterprise . Middleware
>>>>>
>>>>> about.me/chrishantha
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> --
>>>>>
>>>>> Isuru Perera
>>>>> Senior Software Engineer | WSO2, Inc. | http://wso2.com/
>>>>> Lean . Enterprise . Middleware
>>>>>
>>>>> about.me/chrishantha
>>>>>
>>>>>
>>>>>
>>>>>
>>>>
>>>>
>>>> --
>>>> Isuru Perera
>>>> Senior Software Engineer | WSO2, Inc. | http://wso2.com/
>>>> Lean . Enterprise . Middleware
>>>>
>>>> about.me/chrishantha
>>>>
>>>
>>>
>>>
>>> --
>>> Isuru Perera
>>> Senior Software Engineer | WSO2, Inc. | http://wso2.com/
>>> Lean . Enterprise . Middleware
>>>
>>> about.me/chrishantha
>>>
>>
>>
>>
>> --
>> Isuru Perera
>> Senior Software Engineer | WSO2, Inc. | http://wso2.com/
>> Lean . Enterprise . Middleware
>>
>> about.me/chrishantha
>>
>
>
>
> --
> Isuru Perera
> Senior Software Engineer | WSO2, Inc. | http://wso2.com/
> Lean . Enterprise . Middleware
>
> about.me/chrishantha
>



-- 
Isuru Perera
Senior Software Engineer | WSO2, Inc. | http://wso2.com/
Lean . Enterprise . Middleware

about.me/chrishantha

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