Thanks. However, whether using iso or a pre-installed say raw image for me
packer never detects the vm has booted up. To be more specific, I have a
`raw` disk that had CentOS that boots up fine when I use `virsh` and I can
ssh into it with the username and password that I have configured. But when
I use the same credentials to do a build via packer, it cannot detect that
ssh connection is ready and times out. Here is my json file and the error
message
{
"builders":
[
{
"type": "qemu",
"disk_image":"true",
"iso_url": "myimage.img",
"iso_checksum": "951fc5be795d74acc1827fa000ca72dc",
"iso_checksum_type": "md5",
"output_directory": "/tmp/packerout1",
"shutdown_command": "echo 'packer' | sudo -S shutdown -P now",
"disk_size": 9000,
"format": "raw",
"headless": false,
"ssh_host_port_min": 2222,
"ssh_host_port_max": 2229,
"ssh_username": "root",
"ssh_password": "check123",
"ssh_port": 22,
"ssh_timeout": "90s",
"vm_name": "tdhtest"
}
]
}
On Friday, August 24, 2018 at 1:56:28 AM UTC-7, Rickard von Essen wrote:
>
> Use say QEMU with the option disk_image true 1) and boot a VM from the
> image, and a provisioner script that install whatever you need, docker
> engine, etc. When the build completes you will have a new disk image which
> includes docker engine.
>
> 1) https://www.packer.io/docs/builders/qemu.html#disk_image
>
> For the waiting for the "Waiting for SSH". What example do you follow?
>
> On Fri, 24 Aug 2018 at 10:16, <[email protected] <javascript:>> wrote:
>
>> Thanks but I should have asked the question more specifically. I did go
>> through the initial docs, but in the examples I found that there isn't a
>> case where only provision section can exist. From what I understand the
>> builders is a must as the doc also says. So what is the best way to achieve
>> this
>> 1. I have a raw image that has centos on it.
>> 2. I need to install say docker engine, and maybe few more apps.
>>
>> The examples that I have seen all seem to say start from ISO. Also, when
>> I start from ISO, my packer errors out saying waiting for SSH connection
>>
>> On Friday, August 24, 2018 at 12:22:56 AM UTC-7, Rickard von Essen wrote:
>>>
>>> Depending on which virtualisation software you run,
>>> qemu/VirtualBox/VMware, etc there are builders for starting from an
>>> existing image/disk, qemu, virtualbox-ovf, or vmware-vmx for example. You
>>> might need to convert the disk you download into the appropriate format
>>> before running packer on it depending on which builder you use.
>>>
>>> Packer will create a new copy of the image/disk, not alter the existing.
>>>
>>> Since building from an existing image can be a bit tricky I suggest that
>>> you get familiar with Packer by reading the getting started and then try
>>> out some of the builds from https://github.com/chef/bento, which all
>>> builds from an ISO.
>>>
>>> When you have gotten started, if you have any problems just send a email
>>> here. But try to provide all the files needed to run your template and
>>> example log output.
>>>
>>> On Fri, 24 Aug 2018 at 04:56, <[email protected]> wrote:
>>>
>>>> I downloaded a qcow2 centos from the internet and configured the
>>>> password using libguestfs. So far did not use packer to do these steps.
>>>> For
>>>> my use case, I will always have an existing qcow2/raw/vmdk (one of the
>>>> three). I just want to install some packages inside these. Is it even
>>>> possible? Like if the VM disk already exists, packer can still inject
>>>> stuff
>>>> inside it? I am following this `
>>>> https://www.packer.io/intro/getting-started/provision.html`
>>>> <https://www.packer.io/intro/getting-started/provision.html> but not
>>>> sure from the link if this is possible
>>>>
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>
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