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mw/kubernetes: rewrite parseRequest

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Stop looking at the qtype in parseRequest and make k.Namespace a map.
Fallout from this is that pkg/strings as it is not used anymore. Also
add a few helper functions to make unexposed namespaces easier to see in
the code.

Add wildcard tests to the middleware tests.
This commit is contained in:
Miek Gieben
2017-08-18 19:40:12 +01:00
parent 627687b11f
commit 118ef3dfa0
7 changed files with 128 additions and 127 deletions
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25
middleware/kubernetes/parse_test.go
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@@ -24,18 +24,12 @@ func TestParseRequest(t *testing.T) {
{
// wildcard acceptance
"*.any.*.any.svc.inter.webs.test.", dns.TypeSRV,
"*.any..*.any.svc",
"*.*.any.*.any.svc",
},
{
// A request of endpoint
"1-2-3-4.webs.mynamespace.svc.inter.webs.test.", dns.TypeA,
"..1-2-3-4.webs.mynamespace.svc",
},
{
// 3 segments
"webs.mynamespace.svc.inter.webs.test.", dns.TypeSRV,
"*...webs.mynamespace.svc",
"*.*.1-2-3-4.webs.mynamespace.svc",
},
}
for i, tc := range tests {
@@ -57,21 +51,18 @@ func TestParseRequest(t *testing.T) {
func TestParseInvalidRequest(t *testing.T) {
k := New([]string{zone})
invalid := map[string]uint16{
"_http._tcp.webs.mynamespace.svc.inter.webs.test.": dns.TypeA, // A requests cannot have port or protocol
"_http._pcp.webs.mynamespace.svc.inter.webs.test.": dns.TypeSRV, // SRV protocol must be tcp or udp
"_http._tcp.ep.webs.ns.svc.inter.webs.test.": dns.TypeSRV, // SRV requests cannot have an endpoint
"_*._*.webs.mynamespace.svc.inter.webs.test.": dns.TypeSRV, // SRV request with invalid wildcards
invalid := []string{
"webs.mynamespace.pood.inter.webs.test.", // Request must be for pod or svc subdomain.
"too.long.for.what.I.am.trying.to.do.inter.webs.tests.", // Too long.
}
for query, qtype := range invalid {
for i, query := range invalid {
m := new(dns.Msg)
m.SetQuestion(query, qtype)
m.SetQuestion(query, dns.TypeA)
state := request.Request{Zone: zone, Req: m}
if _, e := k.parseRequest(state); e == nil {
t.Errorf("Expected error from %s:%d, got none", query, qtype)
t.Errorf("Test %d: expected error from %s, got none", i, query)
}
}
}