Add basic support for vultr cloud provider

Signed-off-by: Yakul Garg <2000yeshu@gmail.com>

.wwhrd.yml

@@ -33,3 +33,4 @@ exceptions:
   - github.com/ajeddeloh/go-json # Since it's a fork, https://github.com/golang/go/blob/master/LICENSE
   - github.com/hashicorp/go-version # MPL-2.0
   - github.com/hashicorp/go-cleanhttp # MPL-2.0
+  - github.com/hashicorp/go-retryablehttp # MPL-2.0

docs/cloud-provider.md

@@ -321,3 +321,12 @@ memory: "2048M"
 ## vSphere
 
 Refer to the [VSphere](./vsphere.md#provider-configuration) specific documentation.
+
+## Vultr
+
+### machine.spec.providerConfig.cloudProviderSpec
+```yaml
+apiKey: "<< VULTR_API_KEY >>"
+plan: "vhf-8c-32gb"
+region: ""
+osId: 127

examples/vultr-machinedeployment.yaml

@@ -0,0 +1,60 @@
+apiVersion: v1
+kind: Secret
+metadata:
+  # If you change the namespace/name, you must also
+  # adjust the rbac rules
+  name: machine-controller-vultr
+  namespace: kube-system
+type: Opaque
+stringData:
+  apiKey: << VULTR_API_KEY >>
+---
+apiVersion: "cluster.k8s.io/v1alpha1"
+kind: MachineDeployment
+metadata:
+  name: vultr-machinedeployment
+  namespace: kube-system
+spec:
+  paused: false
+  replicas: 1
+  strategy:
+    type: RollingUpdate
+    rollingUpdate:
+      maxSurge: 1
+      maxUnavailable: 0
+  minReadySeconds: 0
+  selector:
+    matchLabels:
+      foo: bar
+  template:
+    metadata:
+      labels:
+        foo: bar
+    spec:
+      providerSpec:
+        value:
+          sshPublicKeys:
+            - "<< YOUR_PUBLIC_KEY >>"
+          cloudProvider: "vultr"
+          cloudProviderSpec:
+            # Can also be set via the env var 'VULTR_API_KEY' on the machine-controller
+            apiKey:
+              secretKeyRef:
+                namespace: kube-system
+                name: machine-controller-vultr
+                key: apiKey
+            region: blr
+            plan: 'vhf-8c-32gb'
+            # Required: app_id, image_id, os_id, snapshot_id, or iso_id must be provided. Currently only os_id is supported.
+            osId: 215
+            # Optional
+            tags:
+              - tag1
+              - tag2
+              - tag3
+          operatingSystem: "ubuntu"
+          operatingSystemSpec:
+            distUpgradeOnBoot: false
+            disableAutoUpdate: true
+      versions:
+        kubelet: 1.24.9

go.mod

@@ -40,6 +40,7 @@ require (
 	github.com/tinkerbell/tink v0.8.0
 	github.com/vmware/go-vcloud-director/v2 v2.18.0
 	github.com/vmware/govmomi v0.30.0
+	github.com/vultr/govultr/v2 v2.17.2
 	go.anx.io/go-anxcloud v0.5.0
 	golang.org/x/crypto v0.4.0
 	golang.org/x/oauth2 v0.3.0
@@ -118,6 +119,7 @@ require (
 	github.com/googleapis/enterprise-certificate-proxy v0.2.1 // indirect
 	github.com/googleapis/gax-go/v2 v2.7.0 // indirect
 	github.com/hashicorp/go-cleanhttp v0.5.2 // indirect
+	github.com/hashicorp/go-retryablehttp v0.7.2 // indirect
 	github.com/hashicorp/go-version v1.6.0 // indirect
 	github.com/huandu/xstrings v1.4.0 // indirect
 	github.com/imdario/mergo v0.3.13 // indirect

go.sum

@@ -398,6 +398,10 @@ github.com/grpc-ecosystem/go-grpc-prometheus v1.2.0/go.mod h1:8NvIoxWQoOIhqOTXgf
 github.com/grpc-ecosystem/grpc-gateway v1.16.0/go.mod h1:BDjrQk3hbvj6Nolgz8mAMFbcEtjT1g+wF4CSlocrBnw=
 github.com/hashicorp/go-cleanhttp v0.5.2 h1:035FKYIWjmULyFRBKPs8TBQoi0x6d9G4xc9neXJWAZQ=
 github.com/hashicorp/go-cleanhttp v0.5.2/go.mod h1:kO/YDlP8L1346E6Sodw+PrpBSV4/SoxCXGY6BqNFT48=
+github.com/hashicorp/go-hclog v0.9.2 h1:CG6TE5H9/JXsFWJCfoIVpKFIkFe6ysEuHirp4DxCsHI=
+github.com/hashicorp/go-hclog v0.9.2/go.mod h1:5CU+agLiy3J7N7QjHK5d05KxGsuXiQLrjA0H7acj2lQ=
+github.com/hashicorp/go-retryablehttp v0.7.2 h1:AcYqCvkpalPnPF2pn0KamgwamS42TqUDDYFRKq/RAd0=
+github.com/hashicorp/go-retryablehttp v0.7.2/go.mod h1:Jy/gPYAdjqffZ/yFGCFV2doI5wjtH1ewM9u8iYVjtX8=
 github.com/hashicorp/go-version v1.6.0 h1:feTTfFNnjP967rlCxM/I9g701jU+RN74YKx2mOkIeek=
 github.com/hashicorp/go-version v1.6.0/go.mod h1:fltr4n8CU8Ke44wwGCBoEymUuxUHl09ZGVZPK5anwXA=
 github.com/hashicorp/golang-lru v0.5.0/go.mod h1:/m3WP610KZHVQ1SGc6re/UDhFvYD7pJ4Ao+sR/qLZy8=
@@ -678,6 +682,8 @@ github.com/vmware/go-vcloud-director/v2 v2.18.0 h1:3kXfaLyYObVBn7SsGxPPiIcqogwnH
 github.com/vmware/go-vcloud-director/v2 v2.18.0/go.mod h1:KjnB8t5l1bRrc+jLKDJbx0vZLRzz2RPzNQ7xzg7yI3o=
 github.com/vmware/govmomi v0.30.0 h1:Fm8ugPnnlMSTSceDKY9goGvjmqc6eQLPUSUeNXdpeXA=
 github.com/vmware/govmomi v0.30.0/go.mod h1:F7adsVewLNHsW/IIm7ziFURaXDaHEwcc+ym4r3INMdY=
+github.com/vultr/govultr/v2 v2.17.2 h1:gej/rwr91Puc/tgh+j33p/BLR16UrIPnSr+AIwYWZQs=
+github.com/vultr/govultr/v2 v2.17.2/go.mod h1:ZFOKGWmgjytfyjeyAdhQlSWwTjh2ig+X49cAp50dzXI=
 github.com/xdg-go/pbkdf2 v1.0.0/go.mod h1:jrpuAogTd400dnrH08LKmI/xc1MbPOebTwRqcT5RDeI=
 github.com/xdg-go/scram v1.0.2/go.mod h1:1WAq6h33pAW+iRreB34OORO2Nf7qel3VV3fjBj+hCSs=
 github.com/xdg-go/stringprep v1.0.2/go.mod h1:8F9zXuvzgwmyT5DUm4GUfZGDdT3W+LCvS6+da4O5kxM=

pkg/cloudprovider/provider.go

@@ -37,6 +37,7 @@ import (
 	"github.com/kubermatic/machine-controller/pkg/cloudprovider/provider/scaleway"
 	vcd "github.com/kubermatic/machine-controller/pkg/cloudprovider/provider/vmwareclouddirector"
 	"github.com/kubermatic/machine-controller/pkg/cloudprovider/provider/vsphere"
+	"github.com/kubermatic/machine-controller/pkg/cloudprovider/provider/vultr"
 	cloudprovidertypes "github.com/kubermatic/machine-controller/pkg/cloudprovider/types"
 	"github.com/kubermatic/machine-controller/pkg/providerconfig"
 	providerconfigtypes "github.com/kubermatic/machine-controller/pkg/providerconfig/types"
@@ -76,6 +77,9 @@ var (
 		providerconfigtypes.CloudProviderEquinixMetal: func(cvr *providerconfig.ConfigVarResolver) cloudprovidertypes.Provider {
 			return equinixmetal.New(cvr)
 		},
+		providerconfigtypes.CloudProviderVultr: func(cvr *providerconfig.ConfigVarResolver) cloudprovidertypes.Provider {
+			return vultr.New(cvr)
+		},
 		// NB: This is explicitly left to allow old Packet machines to be deleted.
 		// We can handle those machines in the same way as Equinix Metal machines
 		// because there are no API changes.