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ROUTE53: Support Route53's ALIAS record type (#239) (#301)

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* Stable comparison of metadata (#239)

Iterating over a map in Go never produces twice the same ordering.
Thus when comparing two metadata map with more than one key, the
`differ` is always finding differences.

To properly compare records metadata, we need to iterate the maps
in a deterministic way.

Signed-off-by: Brice Figureau <brice@daysofwonder.com>

* Support for Route53 ALIAS record type (#239)

Route53 ALIAS doesn't behave like a regular ALIAS, and is much more
limited as its target can only be some specific AWS resources or
another record in the same zone.

According to #239, this change adds a new directive R53_ALIAS which
implements this specific alias. This record type can only be used
with the Route53 provider.

This directive usage looks like this:
```js
D("example.com", REGISTRAR, DnsProvider("ROUTE53"),
R53_ALIAS("foo1", "A", "bar") // record in same zone
R53_ALIAS("foo2", "A",
  "blahblah.elasticloadbalancing.us-west-1.amazonaws.com",
   R53_ZONE('Z368ELLRRE2KJ0')) // ELB in us-west-1

```

Unfortunately, Route53 requires indicating the hosted zone id
where the target is defined (those are listed in AWS documentation,
see the R53_ALIAS documentation for links).
This commit is contained in:
Brice Figureau
2018-01-16 11:53:12 +01:00
committed by Tom Limoncelli
parent 2fc55dfdc4
commit 7b8d608019
15 changed files with 455 additions and 104 deletions
Download Patch File Download Diff File Expand all files Collapse all files

14
pkg/js/parse_tests/019-r53-alias.js Normal file
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D("foo.com", "none",
R53_ALIAS("mxtest", "MX", "foo.com."),
R53_ALIAS("atest", "A", "foo.com."),
R53_ALIAS("atest", "A", "foo.com.", R53_ZONE("Z2FTEDLFRTF")),
R53_ALIAS("aaaatest", "AAAA", "foo.com."),
R53_ALIAS("aaaatest", "AAAA", "foo.com.", R53_ZONE("ERERTFGFGF")),
R53_ALIAS("cnametest", "CNAME", "foo.com."),
R53_ALIAS("ptrtest", "PTR", "foo.com."),
R53_ALIAS("txttest", "TXT", "foo.com."),
R53_ALIAS("srvtest", "SRV", "foo.com."),
R53_ALIAS("spftest", "SPF", "foo.com."),
R53_ALIAS("caatest", "CAA", "foo.com."),
R53_ALIAS("naptrtest", "NAPTR", "foo.com.")
);