Allow conversion of compose files where version is omitted

[sebdanielsson]

I was unable to convert my compose files. After some investigation it seems like the problem was that I didn't specify version: on top of the file. According to the compose-spec the version property is deprecated.
https://github.com/compose-spec/compose-spec/blob/master/spec.md#version-top-level-element

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/lifecycle stale

[sebdanielsson]

/remove lifecycle stale

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/lifecycle rotten

[sebdanielsson]

/remove

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/close

[k8s-ci-robot]

@k8s-triage-robot: Closing this issue.

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/close

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[sebdanielsson]

/reopen

[k8s-ci-robot]

@sebdanielsson: Reopened this issue.

In response to this:

/reopen

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[k8s-triage-robot]

The Kubernetes project currently lacks enough active contributors to adequately respond to all issues and PRs.

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• After 90d of inactivity, lifecycle/stale is applied
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/close

[k8s-ci-robot]

@k8s-triage-robot: Closing this issue.

In response to this:

The Kubernetes project currently lacks enough active contributors to adequately respond to all issues and PRs.

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• After 90d of inactivity, lifecycle/stale is applied
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/close

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[worldofgeese]

/reopen

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@worldofgeese: You can't reopen an issue/PR unless you authored it or you are a collaborator.

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/reopen

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[worldofgeese]

@sebdanielsson do you mind reopening? I was just bit by this.

[sebdanielsson]

/reopen

[k8s-ci-robot]

@sebdanielsson: Reopened this issue.

In response to this:

/reopen

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[cdrage]

Oooofff, i don't like how Compose removed that. Was a good way to determine what we could or couldn't convert.

For now, please add: version: 3.3 to the top of your docker-compose.yaml until we're able to fix this.

Kompose should by default try to convert as much as it can / warn the user with what it can't.

[fhennig]

I also just ran into this, and kompose gave me no good errors that the version was missing. Maybe that could be something to implement?

[k8s-triage-robot]

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/close not-planned

[k8s-ci-robot]

@k8s-triage-robot: Closing this issue, marking it as "Not Planned".

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/close not-planned

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[sebdanielsson]

/reopen

[k8s-ci-robot]

@sebdanielsson: Reopened this issue.

In response to this:

/reopen

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