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middleware/kubernetes: Implement current federation beta (#723)

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* federation initial commit

* UTs/bugfixes

* federation bits

* polish, cover UT gaps

* add TODO

* go fmt & todo note

* remove unrelated change

* pr changes

* start node watcher

* get real node name

* remove unused case
This commit is contained in:
Chris O'Haver 2017-06-14 09:38:00 -04:00 • committed by John Belamaric
parent 8e86fa6f23
commit 930c54ef62
9 changed files with 420 additions and 17 deletions
Download patch file Download diff file Expand all files Collapse all files

70
middleware/kubernetes/setup_test.go
View file

@ -29,6 +29,7 @@ func TestKubernetesParse(t *testing.T) {
expectedCidrs []net.IPNet
expectedFallthrough bool
expectedUpstreams []string
expectedFederations []Federation
}{
// positive
{
@ -44,6 +45,7 @@ func TestKubernetesParse(t *testing.T) {
nil,
false,
nil,
[]Federation{},
},
{
"kubernetes keyword with multiple zones",
@ -58,6 +60,7 @@ func TestKubernetesParse(t *testing.T) {
nil,
false,
nil,
[]Federation{},
},
{
"kubernetes keyword with zone and empty braces",
@ -73,6 +76,7 @@ func TestKubernetesParse(t *testing.T) {
nil,
false,
nil,
[]Federation{},
},
{
"endpoint keyword with url",
@ -89,6 +93,7 @@ func TestKubernetesParse(t *testing.T) {
nil,
false,
nil,
[]Federation{},
},
{
"namespaces keyword with one namespace",
@ -105,6 +110,7 @@ func TestKubernetesParse(t *testing.T) {
nil,
false,
nil,
nil,
},
{
"namespaces keyword with multiple namespaces",
@ -121,6 +127,7 @@ func TestKubernetesParse(t *testing.T) {
nil,
false,
nil,
[]Federation{},
},
{
"resync period in seconds",
@ -137,6 +144,7 @@ func TestKubernetesParse(t *testing.T) {
nil,
false,
nil,
[]Federation{},
},
{
"resync period in minutes",
@ -153,6 +161,7 @@ func TestKubernetesParse(t *testing.T) {
nil,
false,
nil,
[]Federation{},
},
{
"basic label selector",
@ -169,6 +178,7 @@ func TestKubernetesParse(t *testing.T) {
nil,
false,
nil,
[]Federation{},
},
{
"multi-label selector",
@ -185,6 +195,7 @@ func TestKubernetesParse(t *testing.T) {
nil,
false,
nil,
[]Federation{},
},
{
"fully specified valid config",
@ -205,6 +216,7 @@ func TestKubernetesParse(t *testing.T) {
nil,
true,
nil,
[]Federation{},
},
// negative
{
@ -220,6 +232,7 @@ func TestKubernetesParse(t *testing.T) {
nil,
false,
nil,
[]Federation{},
},
{
"kubernetes keyword without a zone",
@ -234,6 +247,7 @@ func TestKubernetesParse(t *testing.T) {
nil,
false,
nil,
[]Federation{},
},
{
"endpoint keyword without an endpoint value",
@ -250,6 +264,7 @@ func TestKubernetesParse(t *testing.T) {
nil,
false,
nil,
[]Federation{},
},
{
"namespace keyword without a namespace value",
@ -266,6 +281,7 @@ func TestKubernetesParse(t *testing.T) {
nil,
false,
nil,
[]Federation{},
},
{
"resyncperiod keyword without a duration value",
@ -282,6 +298,7 @@ func TestKubernetesParse(t *testing.T) {
nil,
false,
nil,
[]Federation{},
},
{
"resync period no units",
@ -298,6 +315,7 @@ func TestKubernetesParse(t *testing.T) {
nil,
false,
nil,
[]Federation{},
},
{
"resync period invalid",
@ -314,6 +332,7 @@ func TestKubernetesParse(t *testing.T) {
nil,
false,
nil,
[]Federation{},
},
{
"labels with no selector value",
@ -330,6 +349,7 @@ func TestKubernetesParse(t *testing.T) {
nil,
false,
nil,
[]Federation{},
},
{
"labels with invalid selector value",
@ -346,6 +366,7 @@ func TestKubernetesParse(t *testing.T) {
nil,
false,
nil,
[]Federation{},
},
// pods disabled
{
@ -363,6 +384,7 @@ func TestKubernetesParse(t *testing.T) {
nil,
false,
nil,
[]Federation{},
},
// pods insecure
{
@ -380,6 +402,7 @@ func TestKubernetesParse(t *testing.T) {
nil,
false,
nil,
[]Federation{},
},
// pods verified
{
@ -397,6 +420,7 @@ func TestKubernetesParse(t *testing.T) {
nil,
false,
nil,
[]Federation{},
},
// pods invalid
{
@ -414,6 +438,7 @@ func TestKubernetesParse(t *testing.T) {
nil,
false,
nil,
[]Federation{},
},
// cidrs ok
{
@ -431,6 +456,7 @@ func TestKubernetesParse(t *testing.T) {
[]net.IPNet{parseCidr("10.0.0.0/24"), parseCidr("10.0.1.0/24")},
false,
nil,
[]Federation{},
},
// cidrs ok
{
@ -448,6 +474,7 @@ func TestKubernetesParse(t *testing.T) {
nil,
false,
nil,
[]Federation{},
},
// fallthrough invalid
{
@ -465,6 +492,7 @@ func TestKubernetesParse(t *testing.T) {
nil,
false,
nil,
[]Federation{},
},
// Valid upstream
{
@ -482,6 +510,7 @@ func TestKubernetesParse(t *testing.T) {
nil,
false,
[]string{"13.14.15.16:53"},
[]Federation{},
},
// Invalid upstream
{
@ -499,6 +528,47 @@ func TestKubernetesParse(t *testing.T) {
nil,
false,
nil,
[]Federation{},
},
// Valid federations
{
"valid upstream",
`kubernetes coredns.local {
federation foo bar.crawl.com
federation fed era.tion.com
}`,
false,
"",
1,
0,
defaultResyncPeriod,
"",
defaultPodMode,
nil,
false,
nil,
[]Federation{
{name: "foo", zone: "bar.crawl.com"},
{name: "fed", zone: "era.tion.com"},
},
},
// Invalid federations
{
"valid upstream",
`kubernetes coredns.local {
federation starship
}`,
true,
`Incorrect number of arguments for federation. Got 1, expect 2.`,
-1,
0,
defaultResyncPeriod,
"",
defaultPodMode,
nil,
false,
nil,
[]Federation{},
},
}