Move federation plugin to github.com/coredns/federation (#3139)

* Remove federation

Signed-off-by: Yong Tang <yong.tang.github@outlook.com>

* Rebuild and point to github.com/coredns/federation

Signed-off-by: Yong Tang <yong.tang.github@outlook.com>

* Export `localNodeName` => `LocalNodeName`, to be used by federation (until deprecation)

Signed-off-by: Yong Tang <yong.tang.github@outlook.com>

* Remove plugin/kubernetes/federation.go (=> kubernetes/federation repo)

Signed-off-by: Yong Tang <yong.tang.github@outlook.com>

* Update github.com/coredns/federation

Signed-off-by: Yong Tang <yong.tang.github@outlook.com>

* sticker-ci fix

Signed-off-by: Yong Tang <yong.tang.github@outlook.com>

1 files changed, 0 insertions, 65 deletions

diff --git a/plugin/federation/setup_test.go b/plugin/federation/setup_test.go
deleted file mode 100644
index 6aed5cce7..000000000
--- a/plugin/federation/setup_test.go
+++ /dev/null
@@ -1,65 +0,0 @@
-package federation
-
-import (
-	"testing"
-
-	"github.com/caddyserver/caddy"
-)
-
-func TestSetup(t *testing.T) {
-	tests := []struct {
-		input            string
-		shouldErr        bool
-		expectedLen      int
-		expectedNameZone []string // contains only entry for now
-	}{
-		// ok
-		{`federation {
-			prod prod.example.org
-		}`, false, 1, []string{"prod", "prod.example.org."}},
-
-		{`federation {
-			staging staging.example.org
-			prod prod.example.org
-		}`, false, 2, []string{"prod", "prod.example.org."}},
-		{`federation {
-			staging staging.example.org
-			prod prod.example.org
-		}`, false, 2, []string{"staging", "staging.example.org."}},
-		{`federation example.com {
-			staging staging.example.org
-			prod prod.example.org
-		}`, false, 2, []string{"staging", "staging.example.org."}},
-		// errors
-		{`federation {
-		}`, true, 0, []string{}},
-		{`federation {
-			staging
-		}`, true, 0, []string{}},
-	}
-	for i, test := range tests {
-		c := caddy.NewTestController("dns", test.input)
-		fed, err := federationParse(c)
-		if test.shouldErr && err == nil {
-			t.Errorf("Test %v: Expected error but found nil", i)
-			continue
-		} else if !test.shouldErr && err != nil {
-			t.Errorf("Test %v: Expected no error but found error: %v", i, err)
-			continue
-		}
-		if test.shouldErr && err != nil {
-			continue
-		}
-
-		if x := len(fed.f); x != test.expectedLen {
-			t.Errorf("Test %v: Expected map length of %d, got: %d", i, test.expectedLen, x)
-		}
-		if x, ok := fed.f[test.expectedNameZone[0]]; !ok {
-			t.Errorf("Test %v: Expected name for %s, got nothing", i, test.expectedNameZone[0])
-		} else {
-			if x != test.expectedNameZone[1] {
-				t.Errorf("Test %v: Expected zone: %s, got %s", i, test.expectedNameZone[1], x)
-			}
-		}
-	}
-}