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Fixes a few bugs in the prepared query doc.

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James Phillips 2016-03-17 23:42:27 -07:00
parent 0e41fa5340
commit 6b2ace6f6b
1 changed files with 8 additions and 6 deletions
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14
website/source/docs/agent/http/query.html.markdown
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@ -212,20 +212,20 @@ that several interpolation variables are available to dynamically populate the q
before it is executed. All of the string fields inside the `Service` structure are before it is executed. All of the string fields inside the `Service` structure are
interpolated, with the following variables available: interpolated, with the following variables available:
`${name.full}` has the entire name that was queried. For example, a lookup for `${name.full}` has the entire name that was queried. For example, a DNS lookup for
"geo-db-customer-master.consul" in the example above would set this variable to "geo-db-customer-master.query.consul" in the example above would set this variable to
"geo-db-customer-master". "geo-db-customer-master".
`${name.prefix}` has the prefix that matched. This would always be "geo-db" for `${name.prefix}` has the prefix that matched. This would always be "geo-db" for
the example above. the example above.
`${name.suffix}` has the suffix after the prefix. For example, a lookup for `${name.suffix}` has the suffix after the prefix. For example, a DNS lookup for
"geo-db-customer-master.consul" in the example above would set this variable to "geo-db-customer-master.query.consul" in the example above would set this variable to
"-customer-master". "-customer-master".
`${match(N)}` returns the regular expression match at the given index N. The `${match(N)}` returns the regular expression match at the given index N. The
0 index will have the entire match, and >0 will have the results of each match 0 index will have the entire match, and >0 will have the results of each match
group. For example, a lookup for "geo-db-customer-master.consul" in the example group. For example, a DNS lookup for "geo-db-customer-master.query.consul" in the example
above with a `Regexp` field set to `^geo-db-(.*?)-([^\-]+?)$` would return above with a `Regexp` field set to `^geo-db-(.*?)-([^\-]+?)$` would return
"geo-db-customer-master" for `${match(0)}`, "customer" for `${match(1)}`, and "geo-db-customer-master" for `${match(0)}`, "customer" for `${match(1)}`, and
"master" for `${match(2)}`. If the regular expression doesn't match, or an invalid "master" for `${match(2)}`. If the regular expression doesn't match, or an invalid
@ -255,7 +255,9 @@ applies a failover policy to it:
This will match any lookup for `*.query.consul` and will attempt to find the This will match any lookup for `*.query.consul` and will attempt to find the
service locally, and otherwise attempt to find that service in the next three service locally, and otherwise attempt to find that service in the next three
closest datacenters. closest datacenters. If ACLs are enabled, a catch-all template like this with
an empty `Name` requires an ACL token that can write to any query prefix. Also,
only a single catch-all template can be registered at any time.
#### GET Method #### GET Method