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Implement redirection & proxying for minions
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parent
82bbcee8d9
commit
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@ -17,11 +17,15 @@ limitations under the License.
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package minion
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import (
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"errors"
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"fmt"
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"net"
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"strconv"
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"github.com/GoogleCloudPlatform/kubernetes/pkg/api"
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"github.com/GoogleCloudPlatform/kubernetes/pkg/apiserver"
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"github.com/GoogleCloudPlatform/kubernetes/pkg/labels"
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"github.com/GoogleCloudPlatform/kubernetes/pkg/master/ports"
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"github.com/GoogleCloudPlatform/kubernetes/pkg/runtime"
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"github.com/GoogleCloudPlatform/kubernetes/pkg/util"
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)
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@ -38,8 +42,8 @@ func NewREST(m Registry) *REST {
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}
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}
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var ErrDoesNotExist = fmt.Errorf("The requested resource does not exist.")
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var ErrNotHealty = fmt.Errorf("The requested minion is not healthy.")
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var ErrDoesNotExist = errors.New("The requested resource does not exist.")
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var ErrNotHealty = errors.New("The requested minion is not healthy.")
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func (rs *REST) Create(ctx api.Context, obj runtime.Object) (<-chan runtime.Object, error) {
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minion, ok := obj.(*api.Minion)
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@ -104,3 +108,17 @@ func (rs *REST) Update(ctx api.Context, minion runtime.Object) (<-chan runtime.O
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func (rs *REST) toApiMinion(name string) *api.Minion {
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return &api.Minion{TypeMeta: api.TypeMeta{ID: name}}
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}
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// ResourceLocation returns a URL to which one can send traffic for the specified minion.
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func (rs *REST) ResourceLocation(ctx api.Context, id string) (string, error) {
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minion, err := rs.registry.GetMinion(ctx, id)
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if err != nil {
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return "", err
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}
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host := minion.HostIP
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if host == "" {
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host = minion.ID
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}
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// TODO: Minion webservers should be secure!
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return "http://" + net.JoinHostPort(host, strconv.Itoa(ports.KubeletPort)), nil
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}
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@ -245,7 +245,9 @@ func (rs *REST) ResourceLocation(ctx api.Context, id string) (string, error) {
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if len(e.Endpoints) == 0 {
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return "", fmt.Errorf("no endpoints available for %v", id)
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}
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return "http://" + e.Endpoints[rand.Intn(len(e.Endpoints))], nil
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// We leave off the scheme ('http://') because we have no idea what sort of server
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// is listening at this endpoint.
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return e.Endpoints[rand.Intn(len(e.Endpoints))], nil
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}
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func (rs *REST) deleteExternalLoadBalancer(service *api.Service) error {
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@ -360,7 +360,7 @@ func TestServiceRegistryResourceLocation(t *testing.T) {
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if err != nil {
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t.Errorf("Unexpected error: %v", err)
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}
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if e, a := "http://foo:80", location; e != a {
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if e, a := "foo:80", location; e != a {
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t.Errorf("Expected %v, but got %v", e, a)
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}
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if e, a := "foo", registry.GottenID; e != a {
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