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plugin/forward: configurable domain support for healthcheck (#5281)

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* plugin/forward: configurable domain support for healthcheck

Signed-off-by: hansedong <admin@yinxiaoluo.com>
This commit is contained in:
hansedong 2022-04-13 00:39:48 +08:00 • committed by GitHub
parent e60c179194
commit 0622a6c66c
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7 changed files with 113 additions and 35 deletions
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65
plugin/forward/setup_test.go
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@ -20,25 +20,27 @@ func TestSetup(t *testing.T) {
expectedErr string
}{
// positive
{"forward . 127.0.0.1", false, ".", nil, 2, options{hcRecursionDesired: true}, ""},
{"forward . 127.0.0.1 {\nexcept miek.nl\n}\n", false, ".", nil, 2, options{hcRecursionDesired: true}, ""},
{"forward . 127.0.0.1 {\nmax_fails 3\n}\n", false, ".", nil, 3, options{hcRecursionDesired: true}, ""},
{"forward . 127.0.0.1 {\nforce_tcp\n}\n", false, ".", nil, 2, options{forceTCP: true, hcRecursionDesired: true}, ""},
{"forward . 127.0.0.1 {\nprefer_udp\n}\n", false, ".", nil, 2, options{preferUDP: true, hcRecursionDesired: true}, ""},
{"forward . 127.0.0.1 {\nforce_tcp\nprefer_udp\n}\n", false, ".", nil, 2, options{preferUDP: true, forceTCP: true, hcRecursionDesired: true}, ""},
{"forward . 127.0.0.1:53", false, ".", nil, 2, options{hcRecursionDesired: true}, ""},
{"forward . 127.0.0.1:8080", false, ".", nil, 2, options{hcRecursionDesired: true}, ""},
{"forward . [::1]:53", false, ".", nil, 2, options{hcRecursionDesired: true}, ""},
{"forward . [2003::1]:53", false, ".", nil, 2, options{hcRecursionDesired: true}, ""},
{"forward . 127.0.0.1 \n", false, ".", nil, 2, options{hcRecursionDesired: true}, ""},
{"forward 10.9.3.0/18 127.0.0.1", false, "0.9.10.in-addr.arpa.", nil, 2, options{hcRecursionDesired: true}, ""},
{"forward . 127.0.0.1", false, ".", nil, 2, options{hcRecursionDesired: true, hcDomain: "."}, ""},
{"forward . 127.0.0.1 {\nhealth_check 0.5s domain example.org\n}\n", false, ".", nil, 2, options{hcRecursionDesired: true, hcDomain: "example.org"}, ""},
{"forward . 127.0.0.1 {\nexcept miek.nl\n}\n", false, ".", nil, 2, options{hcRecursionDesired: true, hcDomain: "."}, ""},
{"forward . 127.0.0.1 {\nmax_fails 3\n}\n", false, ".", nil, 3, options{hcRecursionDesired: true, hcDomain: "."}, ""},
{"forward . 127.0.0.1 {\nforce_tcp\n}\n", false, ".", nil, 2, options{forceTCP: true, hcRecursionDesired: true, hcDomain: "."}, ""},
{"forward . 127.0.0.1 {\nprefer_udp\n}\n", false, ".", nil, 2, options{preferUDP: true, hcRecursionDesired: true, hcDomain: "."}, ""},
{"forward . 127.0.0.1 {\nforce_tcp\nprefer_udp\n}\n", false, ".", nil, 2, options{preferUDP: true, forceTCP: true, hcRecursionDesired: true, hcDomain: "."}, ""},
{"forward . 127.0.0.1:53", false, ".", nil, 2, options{hcRecursionDesired: true, hcDomain: "."}, ""},
{"forward . 127.0.0.1:8080", false, ".", nil, 2, options{hcRecursionDesired: true, hcDomain: "."}, ""},
{"forward . [::1]:53", false, ".", nil, 2, options{hcRecursionDesired: true, hcDomain: "."}, ""},
{"forward . [2003::1]:53", false, ".", nil, 2, options{hcRecursionDesired: true, hcDomain: "."}, ""},
{"forward . 127.0.0.1 \n", false, ".", nil, 2, options{hcRecursionDesired: true, hcDomain: "."}, ""},
{"forward 10.9.3.0/18 127.0.0.1", false, "0.9.10.in-addr.arpa.", nil, 2, options{hcRecursionDesired: true, hcDomain: "."}, ""},
// negative
{"forward . a27.0.0.1", true, "", nil, 0, options{hcRecursionDesired: true}, "not an IP"},
{"forward . 127.0.0.1 {\nblaatl\n}\n", true, "", nil, 0, options{hcRecursionDesired: true}, "unknown property"},
{"forward . a27.0.0.1", true, "", nil, 0, options{hcRecursionDesired: true, hcDomain: "."}, "not an IP"},
{"forward . 127.0.0.1 {\nblaatl\n}\n", true, "", nil, 0, options{hcRecursionDesired: true, hcDomain: "."}, "unknown property"},
{"forward . 127.0.0.1 {\nhealth_check 0.5s domain\n}\n", true, "", nil, 0, options{hcRecursionDesired: true, hcDomain: "."}, "Wrong argument count or unexpected line ending after 'domain'"},
{`forward . ::1
forward com ::2`, true, "", nil, 0, options{hcRecursionDesired: true}, "plugin"},
{"forward . https://127.0.0.1 \n", true, ".", nil, 2, options{hcRecursionDesired: true}, "'https' is not supported as a destination protocol in forward: https://127.0.0.1"},
{"forward xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx 127.0.0.1 \n", true, ".", nil, 2, options{hcRecursionDesired: true}, "unable to normalize 'xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx'"},
forward com ::2`, true, "", nil, 0, options{hcRecursionDesired: true, hcDomain: "."}, "plugin"},
{"forward . https://127.0.0.1 \n", true, ".", nil, 2, options{hcRecursionDesired: true, hcDomain: "."}, "'https' is not supported as a destination protocol in forward: https://127.0.0.1"},
{"forward xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx 127.0.0.1 \n", true, ".", nil, 2, options{hcRecursionDesired: true, hcDomain: "."}, "unable to normalize 'xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx'"},
}
for i, test := range tests {
@ -221,18 +223,23 @@ func TestSetupMaxConcurrent(t *testing.T) {
func TestSetupHealthCheck(t *testing.T) {
tests := []struct {
input string
shouldErr bool
expectedVal bool
expectedErr string
input string
shouldErr bool
expectedRecVal bool
expectedDomain string
expectedErr string
}{
// positive
{"forward . 127.0.0.1\n", false, true, ""},
{"forward . 127.0.0.1 {\nhealth_check 0.5s\n}\n", false, true, ""},
{"forward . 127.0.0.1 {\nhealth_check 0.5s no_rec\n}\n", false, false, ""},
{"forward . 127.0.0.1\n", false, true, ".", ""},
{"forward . 127.0.0.1 {\nhealth_check 0.5s\n}\n", false, true, ".", ""},
{"forward . 127.0.0.1 {\nhealth_check 0.5s no_rec\n}\n", false, false, ".", ""},
{"forward . 127.0.0.1 {\nhealth_check 0.5s no_rec domain example.org\n}\n", false, false, "example.org", ""},
{"forward . 127.0.0.1 {\nhealth_check 0.5s domain example.org\n}\n", false, true, "example.org", ""},
// negative
{"forward . 127.0.0.1 {\nhealth_check no_rec\n}\n", true, true, "time: invalid duration"},
{"forward . 127.0.0.1 {\nhealth_check 0.5s rec\n}\n", true, true, "health_check: unknown option rec"},
{"forward . 127.0.0.1 {\nhealth_check no_rec\n}\n", true, true, ".", "time: invalid duration"},
{"forward . 127.0.0.1 {\nhealth_check domain example.org\n}\n", true, true, "example.org", "time: invalid duration"},
{"forward . 127.0.0.1 {\nhealth_check 0.5s rec\n}\n", true, true, ".", "health_check: unknown option rec"},
{"forward . 127.0.0.1 {\nhealth_check 0.5s domain\n}\n", true, true, ".", "Wrong argument count or unexpected line ending after 'domain'"},
}
for i, test := range tests {
@ -247,13 +254,13 @@ func TestSetupHealthCheck(t *testing.T) {
if !test.shouldErr {
t.Errorf("Test %d: expected no error but found one for input %s, got: %v", i, test.input, err)
}
if !strings.Contains(err.Error(), test.expectedErr) {
t.Errorf("Test %d: expected error to contain: %v, found error: %v, input: %s", i, test.expectedErr, err, test.input)
}
}
if !test.shouldErr && (f.opts.hcRecursionDesired != test.expectedVal || f.proxies[0].health.GetRecursionDesired() != test.expectedVal) {
t.Errorf("Test %d: expected: %t, got: %d", i, test.expectedVal, f.maxConcurrent)
if !test.shouldErr && (f.opts.hcRecursionDesired != test.expectedRecVal || f.proxies[0].health.GetRecursionDesired() != test.expectedRecVal ||
f.opts.hcDomain != test.expectedDomain || f.proxies[0].health.GetDomain() != test.expectedDomain) {
t.Errorf("Test %d: expectedRec: %v, got: %v. expectedDomain: %s, got: %s. ", i, test.expectedRecVal, f.opts.hcRecursionDesired, test.expectedDomain, f.opts.hcDomain)
}
}
}