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Fixes a few bugs in the prepared query doc.

This commit is contained in:
James Phillips 2016-03-17 23:42:27 -07:00
parent 101732a52c
commit 4c3b2edfed
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
interpolated, with the following variables available:
`${name.full}` has the entire name that was queried. For example, a lookup for
"geo-db-customer-master.consul" in the example above would set this variable to
`${name.full}` has the entire name that was queried. For example, a DNS lookup for
"geo-db-customer-master.query.consul" in the example above would set this variable to
"geo-db-customer-master".
`${name.prefix}` has the prefix that matched. This would always be "geo-db" for
the example above.
`${name.suffix}` has the suffix after the prefix. For example, a lookup for
"geo-db-customer-master.consul" in the example above would set this variable to
`${name.suffix}` has the suffix after the prefix. For example, a DNS lookup for
"geo-db-customer-master.query.consul" in the example above would set this variable to
"-customer-master".
`${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
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-(.*?)-([^\-]+?)$` would return
"geo-db-customer-master" for `${match(0)}`, "customer" for `${match(1)}`, and
"master" for `${match(2)}`. If the regular expression doesn't match, or an invalid
@ -255,7 +255,9 @@ applies a failover policy to it:
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
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