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Adding info about new expression language methods. (#1186) 

Adding info about dnsName, email, and uri functions.
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Ozben Evren 2018-04-17 12:59:58 -07:00 committed by Martin Taillefer
parent 2505469708
commit 8491a70f4a
1 changed files with 4 additions and 1 deletions
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_docs/reference/config/mixer/expression-language.md
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@ -36,8 +36,11 @@ CEXL supports the following functions.
|`[ ]` |Map Access | `request.headers["x-id"]`
|`|` |First non empty | `source.labels["app"] | source.labels["svc"] | "unknown"`
|`match` | Glob match |`match(destination.service, "*.ns1.svc.cluster.local")` | Matches prefix or suffix based on the location of `*`
|`email` | Convert a textual e-mail into the `EMAIL_ADDRESS` type | `email("awesome@istio.io")` | Use the `email` function to create an `EMAIL_ADDRESS` literal.
|`dnsName` | Convert a textual DNS name into the `DNS_NAME` type | `dnsName("www.istio.io")` | Use the `dnsName` function to create a `DNS_NAME` literal.
|`ip` | Convert a textual IPv4 address into the `IP_ADDRESS` type | `source.ip == ip("10.11.12.13")` | Use the `ip` function to create an `IP_ADDRESS` literal.
|`timestamp` | Convert a textual timestamp in RFC 3339 format into the `TIMESTAMP` type |`timestamp("2015-01-02T15:04:35Z")` | Use the `timestamp` function to create a `TIMESTAMP` literal.
|`timestamp` | Convert a textual timestamp in RFC 3339 format into the `TIMESTAMP` type | `timestamp("2015-01-02T15:04:35Z")` | Use the `timestamp` function to create a `TIMESTAMP` literal.
|`uri` | Convert a textual URI into the `URI` type | `uri("http://istio.io")` | Use the `uri` function to create a `URI` literal.
|`.matches` | Regular expression match | `"svc.*".matches(destination.service)` | Matches `destination.service` against regular expression pattern `"svc.*"`.
|`.startsWith` | string prefix match | `destination.service.startsWith("acme")` | Checks whether `destination.service` starts with `"acme"`.
|`.endsWith` | string postfix match | `destination.service.endsWith("acme")` | Checks whether `destination.service` ends with `"acme"`.