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Set rule priority in Gateway API TLSRoute

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Augusto Zanellato 2025-01-23 11:46:04 +01:00 • committed by GitHub
parent ef887332c2
commit 2b6a04bc1d
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GPG key ID: B5690EEEBB952194
4 changed files with 75 additions and 35 deletions
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66
pkg/provider/kubernetes/gateway/tlsroute_test.go
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@ -9,49 +9,58 @@ import (
func Test_hostSNIRule(t *testing.T) {
testCases := []struct {
desc string
hostnames []gatev1.Hostname
expectedRule string
expectError bool
desc string
hostnames []gatev1.Hostname
expectedRule string
expectedPriority int
expectError bool
}{
{
desc: "Empty",
expectedRule: "HostSNI(`*`)",
desc: "Empty",
expectedRule: "HostSNI(`*`)",
expectedPriority: 0,
},
{
desc: "Empty hostname",
hostnames: []gatev1.Hostname{""},
expectedRule: "HostSNI(`*`)",
desc: "Empty hostname",
hostnames: []gatev1.Hostname{""},
expectedRule: "HostSNI(`*`)",
expectedPriority: 0,
},
{
desc: "Supported wildcard",
hostnames: []gatev1.Hostname{"*.foo"},
expectedRule: "HostSNIRegexp(`^[a-z0-9-\\.]+\\.foo$`)",
desc: "Supported wildcard",
hostnames: []gatev1.Hostname{"*.foo"},
expectedRule: "HostSNIRegexp(`^[a-z0-9-\\.]+\\.foo$`)",
expectedPriority: 4,
},
{
desc: "Some empty hostnames",
hostnames: []gatev1.Hostname{"foo", "", "bar"},
expectedRule: "HostSNI(`foo`) || HostSNI(`bar`)",
desc: "Some empty hostnames",
hostnames: []gatev1.Hostname{"foo", "", "bar"},
expectedRule: "HostSNI(`foo`) || HostSNI(`bar`)",
expectedPriority: 3,
},
{
desc: "Valid hostname",
hostnames: []gatev1.Hostname{"foo"},
expectedRule: "HostSNI(`foo`)",
desc: "Valid hostname",
hostnames: []gatev1.Hostname{"foo"},
expectedRule: "HostSNI(`foo`)",
expectedPriority: 3,
},
{
desc: "Multiple valid hostnames",
hostnames: []gatev1.Hostname{"foo", "bar"},
expectedRule: "HostSNI(`foo`) || HostSNI(`bar`)",
desc: "Multiple valid hostnames",
hostnames: []gatev1.Hostname{"foo", "bar"},
expectedRule: "HostSNI(`foo`) || HostSNI(`bar`)",
expectedPriority: 3,
},
{
desc: "Multiple valid hostnames with wildcard",
hostnames: []gatev1.Hostname{"bar.foo", "foo.foo", "*.foo"},
expectedRule: "HostSNI(`bar.foo`) || HostSNI(`foo.foo`) || HostSNIRegexp(`^[a-z0-9-\\.]+\\.foo$`)",
desc: "Multiple valid hostnames with wildcard",
hostnames: []gatev1.Hostname{"bar.foo", "foo.foo", "*.foo"},
expectedRule: "HostSNI(`bar.foo`) || HostSNI(`foo.foo`) || HostSNIRegexp(`^[a-z0-9-\\.]+\\.foo$`)",
expectedPriority: 7,
},
{
desc: "Multiple overlapping hostnames",
hostnames: []gatev1.Hostname{"foo", "bar", "foo", "baz"},
expectedRule: "HostSNI(`foo`) || HostSNI(`bar`) || HostSNI(`baz`)",
desc: "Multiple overlapping hostnames",
hostnames: []gatev1.Hostname{"foo", "bar", "foo", "baz"},
expectedRule: "HostSNI(`foo`) || HostSNI(`bar`) || HostSNI(`baz`)",
expectedPriority: 3,
},
}
@ -59,8 +68,9 @@ func Test_hostSNIRule(t *testing.T) {
t.Run(test.desc, func(t *testing.T) {
t.Parallel()
rule := hostSNIRule(test.hostnames)
rule, priority := hostSNIRule(test.hostnames)
assert.Equal(t, test.expectedRule, rule)
assert.Equal(t, test.expectedPriority, priority)
})
}
}