Files
kubernetes/cmd
Kubernetes Submit Queue 290a0edaf3 Merge pull request #48808 from kad/safe-docker-tags
Automatic merge from submit-queue (batch tested with PRs 49017, 45440, 48384, 45894, 48808)

Make sure that image tags contain only allowed characters.

**What this PR does / why we need it**:
Version strings can contain symbols that are not allowed
as part of image tags. Replace those with underscores.

**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes #

**Special notes for your reviewer**:
Part of work related to usage of CI images which has versions like "v1.8.0-alpha.1.910+5ca03d674e1495" but image tags in registry are "v1.8.0-alpha.1.910_5ca03d674e1495"

Attn @luxas 

**Release note**:
```release-note
NONE
```
2017-07-17 16:26:59 -07:00
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