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registry: support ipv6 addresses

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Current registry reference use a subset of dns and IPv4 addresses to
represent a registry domain.

Since registries are mostly compatible with rfc3986, that defines the
URI generic syntax, this adds support for IPv6 enclosed in squared
brackets based on the mentioned rfc.

The regexp is only expanded to match on IPv6 addreses enclosed between
square brackets, considering only regular IPv6 addresses represented
as compressed or uncompressed, excluding special IPv6 address
representations.

Signed-off-by: Antonio Ojea <antonio.ojea.garcia@gmail.com>
This commit is contained in:
Antonio Ojea 2022-06-25 12:23:38 +02:00
parent 3e4f8a0ab1
commit 53a6f7d7aa
5 changed files with 181 additions and 7 deletions
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12
reference/normalize_test.go
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@ -22,7 +22,14 @@ func TestValidateReferenceName(t *testing.T) {
"127.0.0.1:5000/docker/docker",
"127.0.0.1:5000/library/debian",
"127.0.0.1:5000/debian",
"192.168.0.1",
"192.168.0.1:80",
"192.168.0.1:8/debian",
"192.168.0.2:25000/debian",
"thisisthesongthatneverendsitgoesonandonandonthisisthesongthatnev",
"[fc00::1]:5000/docker",
"[fc00::1]:5000/docker/docker",
"[fc00:1:2:3:4:5:6:7]:5000/library/debian",
// This test case was moved from invalid to valid since it is valid input
// when specified with a hostname, it removes the ambiguity from about
@ -40,6 +47,11 @@ func TestValidateReferenceName(t *testing.T) {
"docker///docker",
"docker.io/docker/Docker",
"docker.io/docker///docker",
"[fc00::1]",
"[fc00::1]:5000",
"fc00::1:5000/debian",
"[fe80::1%eth0]:5000/debian",
"[2001:db8:3:4::192.0.2.33]:5000/debian",
"1a3f5e7d9c1b3a5f7e9d1c3b5a7f9e1d3c5b7a9f1e3d5d7c9b1a3f5e7d9c1b3a",
}