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dont panic when from-zone cannot be normalized (#5171)

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Signed-off-by: Chris O'Haver <cohaver@infoblox.com>
This commit is contained in:
Chris O'Haver
2022-02-10 08:59:34 -05:00
committed by GitHub
parent d6743531ad
commit c5eb7d0460
2 changed files with 6 additions and 1 deletions
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6
plugin/grpc/setup.go
View File

@@ -56,7 +56,11 @@ func parseStanza(c *caddy.Controller) (*GRPC, error) {
if !c.Args(&g.from) {
return g, c.ArgErr()
}
g.from = plugin.Host(g.from).NormalizeExact()[0] // only the first is used.
normalized := plugin.Host(g.from).NormalizeExact()
if len(normalized) == 0 {
return g, fmt.Errorf("unable to normalize '%s'", g.from)
}
g.from = normalized[0] // only the first is used.
to := c.RemainingArgs()
if len(to) == 0 {

1
plugin/grpc/setup_test.go
View File

@@ -30,6 +30,7 @@ func TestSetup(t *testing.T) {
{"grpc . 127.0.0.1 {\nblaatl\n}\n", true, "", nil, "unknown property"},
{`grpc . ::1
grpc com ::2`, true, "", nil, "plugin"},
{"grpc xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx 127.0.0.1", true, "", nil, "unable to normalize 'xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx'"},
}
for i, test := range tests {