If I recall correctly, the implicit selector is created from the daemonset
metadata.
A daemonset needs a selector to function, so it knows which pods already
exist. You are probably better off being explicit about it.
/MR
On Tue, Apr 11, 2017, 23:07 Nate Rook <n...@askspoke.com> wrote:
> So, I'm updating a daemonset to look like this:
>
> apiVersion: extensions/v1beta1
> kind: DaemonSet
> metadata:
> name: sysdig-agent
> spec:
> template:
> metadata:
> name: sysdig-agent
> labels:
> type: sysdig-agent
> class: infrastructure
> environment: staging
> spec:
> // ...
>
> But, I was surprised to get this error when I tried kubectl applying the
> update:
>
> The DaemonSet "sysdig-agent" is invalid: spec.template.metadata.labels:
> Invalid value:
> {"class":"infrastructure","environment":"staging","type":"sysdig-agent"}:
> `selector` does not match template `labels`
>
> I never actually created a selector, so I gather one is created
> implicitly. But I'm not sure what my implicit selector looks like, or why
> it disagrees with these labels.
>
> I do see if I add a 'name' label to my pod template as well, everything
> works fine. But I'm not clear on why that is. Any ideas?
>
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