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fix(collector): fix dns collector limited to 63 chars #1690

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merged 4 commits into from
Nov 19, 2024
Merged

fix(collector): fix dns collector limited to 63 chars #1690

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addf793
fix(collector): fix dns collector limited to 63 chars
DexterYan Nov 18, 2024
9db3b83
fix test
DexterYan Nov 18, 2024
7c1ec40
use validation RFC1123
DexterYan Nov 19, 2024
4cd4b5c
improve test naming
DexterYan Nov 19, 2024
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4 changes: 2 additions & 2 deletions pkg/collect/host_network.go
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Original file line number Diff line number Diff line change
Expand Up @@ -65,8 +65,8 @@ func isValidLoadBalancerAddress(address string) bool {

}

errs := validation.IsQualifiedName(hostAddress)

// Checking for DNS name for RFC1123, DNS1123SubdomainMaxLength int = 253
errs := validation.IsDNS1123Subdomain(hostAddress)
return len(errs) == 0
}

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7 changes: 6 additions & 1 deletion pkg/collect/host_network_test.go
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Expand Up @@ -44,8 +44,13 @@ func Test_isValidLoadBalancerAddress(t *testing.T) {
want: false,
},
{
name: "Too many characters",
name: "Valid long DNS domain but less than 255 characters, RFC1123 compliant",
args: args{address: "howlongcanwemakethiswithoutrunningoutofwordsbecasueweneedtohitatleast64.com:80"},
want: true,
},
{
name: "Non-valid long DNS domain but more than 255 characters, RFC1123 not compliant",
args: args{address: "howlongcanwemakethiswithouthowlongcanwemakethiswithouthowlongcanwemakethiswithoutrunningoutofwordsbecasueweneedtohitatleast64howlongcanwemakethiswithouthowlongcanwemakethiswithouthowlongcanwemakethiswithoutrunningoutofwordsbecasueweneedtohitatleast64dssdfasdffs.com:80"},
want: false,
},
{
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