Cannot use non-ascii characters in alert name

[bsd04]

What did you do?

Created alert rule with following name: ALERT LiigaLühike ...

What did you expect to see?

Checking test.rules
SUCCESS: 1 rules found

What did you see instead? Under which circumstances?

Checking test.rules
FAILED: parse error at line 1, char 13: unexpected character: 'ü'

Environment

Linux localhost.localdomain 3.10.0-514.el7.x86_64

• System information:

Linux 3.10.0-514.el7.x86_64 x86_64

• Prometheus version:

prometheus, version 1.3.1 (branch: master, revision: be47695)
build user: root@37f0aa346b26
build date: 20161104-20:24:03
go version: go1.7.3

• Alertmanager version:

alertmanager, version 0.5.1 (branch: master, revision: 0ea1cac51e6a620ec09d053f0484b97932b5c902)
build user: root@fb407787b8bf
build date: 20161125-08:14:40
go version: go1.7.3

• Prometheus configuration file:

not relevant

• Alertmanager configuration file:

not relevant

• Logs:

not relevant

[beorn7]

That's the intended behavior. An alert name is treated the same as a metric name in PromQL, see https://prometheus.io/docs/concepts/data_model/#metric-names-and-labels for restrictions.

We should document that more clearly. I have filed prometheus/docs#636 for that.

[lock]

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