TrueCloudLab/coredns
16
0
Fork 2
Code Issues Pull requests 1 Projects Releases Packages Wiki Activity Actions

plugin/cache: Add cache disable option (#5540)

Browse source 
* add cache disable options

Signed-off-by: Chris O'Haver <cohaver@infoblox.com>
This commit is contained in:
Chris O'Haver 2022-07-28 10:51:08 -04:00 • committed by GitHub
parent 2fe5273cd1
commit 95fcf2c480
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
6 changed files with 158 additions and 3 deletions
Download patch file Download diff file Expand all files Collapse all files

63
plugin/cache/cache_test.go vendored
View file

@ -17,8 +17,8 @@ import (
)
type cacheTestCase struct {
test.Case
in test.Case
test.Case // the expected message coming "out" of cache
in test.Case // the test message going "in" to cache
AuthenticatedData bool
RecursionAvailable bool
Truncated bool
@ -163,6 +163,62 @@ var cacheTestCases = []cacheTestCase{
},
shouldCache: true,
},
{
in: test.Case{
Rcode: dns.RcodeNameError,
Qname: "neg-disabled.example.org.", Qtype: dns.TypeA,
Ns: []dns.RR{
test.SOA("example.org. 3600 IN SOA sns.dns.icann.org. noc.dns.icann.org. 2016082540 7200 3600 1209600 3600"),
},
},
Case: test.Case{},
shouldCache: false,
},
{
in: test.Case{
Rcode: dns.RcodeSuccess,
Qname: "pos-disabled.example.org.", Qtype: dns.TypeA,
Answer: []dns.RR{
test.A("pos-disabled.example.org. 3600 IN A 127.0.0.1"),
},
},
Case: test.Case{},
shouldCache: false,
},
{
in: test.Case{
Rcode: dns.RcodeNameError,
Qname: "pos-disabled.example.org.", Qtype: dns.TypeA,
Ns: []dns.RR{
test.SOA("example.org. 3600 IN SOA sns.dns.icann.org. noc.dns.icann.org. 2016082540 7200 3600 1209600 3600"),
},
},
Case: test.Case{
Rcode: dns.RcodeNameError,
Qname: "pos-disabled.example.org.", Qtype: dns.TypeA,
Ns: []dns.RR{
test.SOA("example.org. 3600 IN SOA sns.dns.icann.org. noc.dns.icann.org. 2016082540 7200 3600 1209600 3600"),
},
},
shouldCache: true,
},
{
in: test.Case{
Rcode: dns.RcodeSuccess,
Qname: "neg-disabled.example.org.", Qtype: dns.TypeA,
Answer: []dns.RR{
test.A("neg-disabled.example.org. 3600 IN A 127.0.0.1"),
},
},
Case: test.Case{
Rcode: dns.RcodeSuccess,
Qname: "neg-disabled.example.org.", Qtype: dns.TypeA,
Answer: []dns.RR{
test.A("neg-disabled.example.org. 3600 IN A 127.0.0.1"),
},
},
shouldCache: true,
},
}
func cacheMsg(m *dns.Msg, tc cacheTestCase) *dns.Msg {
@ -183,6 +239,9 @@ func newTestCache(ttl time.Duration) (*Cache, *ResponseWriter) {
c.nttl = ttl
crr := &ResponseWriter{ResponseWriter: nil, Cache: c}
crr.nexcept = []string{"neg-disabled.example.org."}
crr.pexcept = []string{"pos-disabled.example.org."}
return c, crr
}