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Signed-off-by: Chuck Ha <chuckh@vmware.com>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,183 @@ | ||
| /* | ||
| Copyright 2019 The Kubernetes Authors. | ||
| Licensed under the Apache License, Version 2.0 (the "License"); | ||
| you may not use this file except in compliance with the License. | ||
| You may obtain a copy of the License at | ||
| http://www.apache.org/licenses/LICENSE-2.0 | ||
| Unless required by applicable law or agreed to in writing, software | ||
| distributed under the License is distributed on an "AS IS" BASIS, | ||
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| See the License for the specific language governing permissions and | ||
| limitations under the License. | ||
| */ | ||
|
|
||
| package capkactuators | ||
|
|
||
| import ( | ||
| "context" | ||
| "encoding/json" | ||
| "fmt" | ||
| "time" | ||
|
|
||
| "gitlab.com/chuckh/cluster-api-provider-kind/kind/actions" | ||
| "k8s.io/apimachinery/pkg/types" | ||
| corev1 "k8s.io/client-go/kubernetes/typed/core/v1" | ||
| clusterv1 "sigs.k8s.io/cluster-api/pkg/apis/cluster/v1alpha1" | ||
| "sigs.k8s.io/cluster-api/pkg/client/clientset_generated/clientset/typed/cluster/v1alpha1" | ||
| capierror "sigs.k8s.io/cluster-api/pkg/controller/error" | ||
| "sigs.k8s.io/controller-runtime/pkg/patch" | ||
| "sigs.k8s.io/kind/pkg/cluster" | ||
| "sigs.k8s.io/kind/pkg/cluster/constants" | ||
| "sigs.k8s.io/kind/pkg/cluster/nodes" | ||
| ) | ||
|
|
||
| type Machine struct { | ||
| Core corev1.CoreV1Interface | ||
| ClusterAPI v1alpha1.ClusterV1alpha1Interface | ||
| } | ||
|
|
||
| func NewMachineActuator(clusterapi v1alpha1.ClusterV1alpha1Interface, core corev1.CoreV1Interface) *Machine { | ||
| return &Machine{ | ||
| Core: core, | ||
| ClusterAPI: clusterapi, | ||
| } | ||
| } | ||
|
|
||
| // Have to print all the errors because cluster-api swallows them | ||
| func (m *Machine) Create(ctx context.Context, c *clusterv1.Cluster, machine *clusterv1.Machine) error { | ||
| old := machine.DeepCopy() | ||
| fmt.Printf("Creating a machine for cluster %q\n", c.Name) | ||
| clusterExists, err := cluster.IsKnown(c.Name) | ||
| if err != nil { | ||
| fmt.Printf("%+v", err) | ||
| return err | ||
| } | ||
| // If there's no cluster, requeue the request until there is one | ||
| if !clusterExists { | ||
| fmt.Println("There is no cluster yet, waiting for a cluster before creating machines") | ||
| return &capierror.RequeueAfterError{RequeueAfter: 30 * time.Second} | ||
| } | ||
|
|
||
| controlPlanes, err := actions.ListControlPlanes(c.Name) | ||
| if err != nil { | ||
| fmt.Printf("%+v\n", err) | ||
| return err | ||
| } | ||
| fmt.Printf("Is there a cluster? %v\n", clusterExists) | ||
| setValue := getRole(machine) | ||
| fmt.Printf("This node has a role of %q\n", setValue) | ||
| if setValue == constants.ControlPlaneNodeRoleValue { | ||
| if len(controlPlanes) > 0 { | ||
| fmt.Println("Adding a control plane") | ||
| controlPlaneNode, err := actions.AddControlPlane(c.Name) | ||
| if err != nil { | ||
| fmt.Printf("%+v", err) | ||
| return err | ||
| } | ||
| setKindName(machine, controlPlaneNode.Name()) | ||
| return m.save(old, machine) | ||
| } | ||
|
|
||
| fmt.Println("Creating a brand new cluster") | ||
| elb, err := getExternalLoadBalancerNode(c.Name) | ||
| if err != nil { | ||
| fmt.Printf("%+v\n", err) | ||
| return err | ||
| } | ||
| lbip, err := elb.IP() | ||
| if err != nil { | ||
| fmt.Printf("%+v\n", err) | ||
| return err | ||
| } | ||
| controlPlaneNode, err := actions.CreateControlPlane(c.Name, lbip) | ||
| if err != nil { | ||
| fmt.Printf("%+v", err) | ||
| return err | ||
| } | ||
| setKindName(machine, controlPlaneNode.Name()) | ||
| if err := m.save(old, machine); err != nil { | ||
| fmt.Printf("%+v", err) | ||
| return err | ||
| } | ||
| s, err := kubeconfigToSecret(c.Name, c.Namespace) | ||
| if err != nil { | ||
| fmt.Printf("%+v", err) | ||
| return err | ||
| } | ||
| // Save the secret to the management cluster | ||
| if _, err := m.Core.Secrets(machine.GetNamespace()).Create(s); err != nil { | ||
| fmt.Printf("%+v", err) | ||
| return err | ||
| } | ||
| return nil | ||
| } | ||
|
|
||
| // If there are no control plane then we should hold off on joining workers | ||
| if len(controlPlanes) == 0 { | ||
| fmt.Printf("Sending machine %q back since there is no cluster to join\n", machine.Name) | ||
| return &capierror.RequeueAfterError{RequeueAfter: 30 * time.Second} | ||
| } | ||
|
|
||
| fmt.Println("Creating a new worker node") | ||
| worker, err := actions.AddWorker(c.Name) | ||
| if err != nil { | ||
| fmt.Printf("%+v", err) | ||
| return err | ||
| } | ||
| setKindName(machine, worker.Name()) | ||
| return m.save(old, machine) | ||
| } | ||
| func (m *Machine) Delete(ctx context.Context, cluster *clusterv1.Cluster, machine *clusterv1.Machine) error { | ||
| return actions.DeleteNode(cluster.Name, getKindName(machine)) | ||
| } | ||
|
|
||
| func (m *Machine) Update(ctx context.Context, cluster *clusterv1.Cluster, machine *clusterv1.Machine) error { | ||
| fmt.Println("Update machine is not implemented yet.") | ||
| return nil | ||
| } | ||
|
|
||
| func (m *Machine) Exists(ctx context.Context, cluster *clusterv1.Cluster, machine *clusterv1.Machine) (bool, error) { | ||
| if getKindName(machine) == "" { | ||
| return false, nil | ||
| } | ||
| fmt.Println("Looking for a docker container named", getKindName(machine)) | ||
| role := getRole(machine) | ||
| labels := []string{ | ||
| fmt.Sprintf("label=%s=%s", constants.NodeRoleKey, role), | ||
| fmt.Sprintf("label=%s=%s", constants.ClusterLabelKey, cluster.Name), | ||
| fmt.Sprintf("name=^%s$", getKindName(machine)), | ||
| } | ||
| fmt.Printf("using labels: %v\n", labels) | ||
| nodeList, err := nodes.List(labels...) | ||
| if err != nil { | ||
| return false, err | ||
| } | ||
| fmt.Printf("found nodes: %v\n", nodeList) | ||
| return len(nodeList) >= 1, nil | ||
| } | ||
|
|
||
| func (m *Machine) save(old, new *clusterv1.Machine) error { | ||
| fmt.Println("updating machine") | ||
| p, err := patch.NewJSONPatch(old, new) | ||
| if err != nil { | ||
| fmt.Printf("%+v\n", err) | ||
| return err | ||
| } | ||
| fmt.Println("Patches", p) | ||
| if len(p) != 0 { | ||
| pb, err := json.MarshalIndent(p, "", " ") | ||
| if err != nil { | ||
| fmt.Printf("%+v\n", err) | ||
| return err | ||
| } | ||
| if _, err := m.ClusterAPI.Machines(old.Namespace).Patch(new.Name, types.JSONPatchType, pb); err != nil { | ||
| fmt.Printf("%+v\n", err) | ||
| return err | ||
| } | ||
| fmt.Println("updated") | ||
| } | ||
| return nil | ||
| } |
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