hack: include scripts for golint, gofmt, spelling, shellcheck, etc.

LICENSE

@@ -198,4 +198,4 @@
    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.
+   limitations under the License.

OWNERS

@@ -8,4 +8,4 @@ approvers:
 
 reviewers:
   - cluster-api-maintainers
-  - cluster-api-provider-docker-maintainers
+  - cluster-api-provider-docker-maintainers

SECURITY_CONTACTS

@@ -13,4 +13,4 @@
 detiber
 justinsb
 luxas
-timothysc
+timothysc

actuators/actuators.go

@@ -20,10 +20,10 @@ import (
 	"fmt"
 	"io/ioutil"
 
-	"sigs.k8s.io/cluster-api-provider-docker/kind/actions"
 	"github.com/pkg/errors"
 	v1 "k8s.io/api/core/v1"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"sigs.k8s.io/cluster-api-provider-docker/kind/actions"
 	clusterv1 "sigs.k8s.io/cluster-api/pkg/apis/cluster/v1alpha1"
 	"sigs.k8s.io/kind/pkg/cluster/constants"
 	"sigs.k8s.io/kind/pkg/cluster/nodes"
@@ -39,12 +39,15 @@ func getRole(machine *clusterv1.Machine) string {
 	return setValue
 }
 
+// Cluster defines a cluster actuator object
 type Cluster struct{}
 
+// NewClusterActuator returns a new cluster actuator object
 func NewClusterActuator() *Cluster {
 	return &Cluster{}
 }
 
+// Reconcile setups an external load balancer for the cluster if needed
 func (c *Cluster) Reconcile(cluster *clusterv1.Cluster) error {
 	elb, err := getExternalLoadBalancerNode(cluster.Name)
 	if err != nil {
@@ -72,11 +75,12 @@ func getExternalLoadBalancerNode(clusterName string) (*nodes.Node, error) {
 		return nil, nil
 	}
 	if len(elb) > 1 {
-		return nil, errors.New("Too many external load balancers.")
+		return nil, errors.New("too many external load balancers")
 	}
 	return &elb[0], nil
 }
 
+// Delete can be used to delete a cluster
 func (c *Cluster) Delete(cluster *clusterv1.Cluster) error {
 	fmt.Println("Cluster delete is not implemented.")
 	return nil

actuators/machine.go

@@ -41,19 +41,22 @@ const (
 	clusterAPIControlPlaneSetLabel = "controlplane"
 )
 
+// Machine defines a machine actuator type
 type Machine struct {
 	Core       corev1.CoreV1Interface
 	ClusterAPI v1alpha1.ClusterV1alpha1Interface
 }
 
+// NewMachineActuator returns a new machine actuator object
 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
+// Create creates a machine for a given cluster
+// Note: 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)
@@ -175,11 +178,13 @@ func (m *Machine) Delete(ctx context.Context, cluster *clusterv1.Cluster, machin
 	return nil
 }
 
+// Update updates a 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
 }
 
+// Exists returns true if a machine exists in the cluster
 func (m *Machine) Exists(ctx context.Context, cluster *clusterv1.Cluster, machine *clusterv1.Machine) (bool, error) {
 	if machine.Spec.ProviderID != nil {
 		return true, nil
@@ -236,6 +241,7 @@ func providerID(name string) string {
 	return fmt.Sprintf("docker://%s", name)
 }
 
+// CAPIroleToKindRole converts a CAPI role to kind role
 // TODO there is a better way to do this.
 func CAPIroleToKindRole(CAPIRole string) string {
 	if CAPIRole == clusterAPIControlPlaneSetLabel {

code-of-conduct.md

@@ -1,3 +1,3 @@
 # Kubernetes Community Code of Conduct
 
-Please refer to our [Kubernetes Community Code of Conduct](https://git.k8s.io/community/code-of-conduct.md)
+Please refer to our [Kubernetes Community Code of Conduct](https://git.k8s.io/community/code-of-conduct.md)

execer/client.go

@@ -35,6 +35,7 @@ type Client struct {
 	ExtraEnv []string
 }
 
+// NewClient returns a new client object
 func NewClient(command string) *Client {
 	return &Client{
 		Stdout:   os.Stdout,
@@ -44,6 +45,9 @@ func NewClient(command string) *Client {
 	}
 }
 
+// PipeToCommand pipes a standard input stream to a client command, starts the command and waits
+// until the client command has finished writing its standard output and standard error to the respective
+// client buffers.
 func (c *Client) PipeToCommand(stdin io.Reader, args ...string) error {
 	cmd := exec.Command(c.Command, args...)
 	cmd.Env = append(os.Environ(), c.ExtraEnv...)
@@ -83,6 +87,7 @@ func (c *Client) PipeToCommand(stdin io.Reader, args ...string) error {
 	return nil
 }
 
+// RunCommandReturnOutput runs a client command and returns its output
 func (c *Client) RunCommandReturnOutput(args ...string) (string, error) {
 	cmd := exec.Command(c.Command, args...)
 	cmd.Env = append(os.Environ(), c.ExtraEnv...)
@@ -126,6 +131,7 @@ func (c *Client) RunCommandReturnOutput(args ...string) (string, error) {
 
 }
 
+// RunCommand runs a client command
 func (c *Client) RunCommand(args ...string) error {
 	cmd := exec.Command(c.Command, args...)
 	cmd.Env = append(os.Environ(), c.ExtraEnv...)

hack/update-all.sh

@@ -0,0 +1,25 @@
+#!/usr/bin/env bash
+# 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.
+
+set -o errexit
+set -o nounset
+set -o pipefail
+
+# shellcheck source=/dev/null
+source "$(dirname "$0")/utils.sh"
+REPO_PATH=$(get_root_path)
+
+"${REPO_PATH}"/hack/update-deps.sh
+"${REPO_PATH}"/hack/update-gofmt.sh

hack/update-deps.sh

@@ -0,0 +1,27 @@
+#!/usr/bin/env bash
+# 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.
+
+
+set -o nounset
+set -o errexit
+set -o pipefail
+
+# shellcheck source=/dev/null
+source "$(dirname "$0")/utils.sh"
+# cd to the root path
+cd_root_path
+
+export GO111MODULE="on"
+go mod tidy

hack/update-gofmt.sh

@@ -0,0 +1,27 @@
+#!/usr/bin/env bash
+# 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.
+
+# script to run gofmt over our code (not vendor)
+set -o errexit
+set -o nounset
+set -o pipefail
+
+# shellcheck source=/dev/null
+source "$(dirname "$0")/utils.sh"
+# cd to the root path
+cd_root_path
+
+# update go fmt
+go fmt ./...

hack/utils.sh

@@ -0,0 +1,24 @@
+#!/usr/bin/env bash
+# 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.
+
+# get_root_path returns the root path of the project source tree
+get_root_path() {
+    echo "$(git rev-parse --show-toplevel)"
+}
+
+# cd_root_path cds to the root path of the project source tree
+cd_root_path() {
+    cd "$(get_root_path)" || exit
+}

hack/verify-all.sh

@@ -0,0 +1,94 @@
+#!/usr/bin/env bash
+# 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.
+
+set -o errexit
+set -o nounset
+set -o pipefail
+
+# shellcheck source=/dev/null
+source "$(dirname "$0")/utils.sh"
+
+# set REPO_PATH
+REPO_PATH=$(get_root_path)
+cd "${REPO_PATH}"
+
+# exit code, if a script fails we'll set this to 1
+res=0
+
+# run all verify scripts, optionally skipping any of them
+
+if [[ "${VERIFY_WHITESPACE:-true}" == "true" ]]; then
+  echo "[*] Verifying whitespace..."
+  hack/verify-whitespace.sh || res=1
+  cd "${REPO_PATH}"
+fi
+
+if [[ "${VERIFY_SPELLING:-true}" == "true" ]]; then
+  echo "[*] Verifying spelling..."
+  hack/verify-spelling.sh || res=1
+  cd "${REPO_PATH}"
+fi
+
+if [[ "${VERIFY_BOILERPLATE:-true}" == "true" ]]; then
+  echo "[*] Verifying boilerplate..."
+  hack/verify-boilerplate.sh || res=1
+  cd "${REPO_PATH}"
+fi
+
+if [[ "${VERIFY_GOFMT:-true}" == "true" ]]; then
+  echo "[*] Verifying gofmt..."
+  hack/verify-gofmt.sh || res=1
+  cd "${REPO_PATH}"
+fi
+
+if [[ "${VERIFY_GOLINT:-true}" == "true" ]]; then
+  echo "[*] Verifying golint..."
+  hack/verify-golint.sh || res=1
+  cd "${REPO_PATH}"
+fi
+
+if [[ "${VERIFY_GOVET:-true}" == "true" ]]; then
+  echo "[*] Verifying govet..."
+  hack/verify-govet.sh || res=1
+  cd "${REPO_PATH}"
+fi
+
+if [[ "${VERIFY_DEPS:-true}" == "true" ]]; then
+  echo "[*] Verifying deps..."
+  hack/verify-deps.sh || res=1
+  cd "${REPO_PATH}"
+fi
+
+if [[ "${VERIFY_GOTEST:-true}" == "true" ]]; then
+  echo "[*] Verifying gotest..."
+  hack/verify-gotest.sh || res=1
+  cd "${REPO_PATH}"
+fi
+
+if [[ "${VERIFY_BUILD:-true}" == "true" ]]; then
+  echo "[*] Verifying build..."
+  hack/verify-build.sh || res=1
+  cd "${REPO_PATH}"
+fi
+
+# exit based on verify scripts
+if [[ "${res}" = 0 ]]; then
+  echo ""
+  echo "All verify checks passed, congrats!"
+else
+  echo ""
+  echo "One or more verify checks failed! See output above..."
+fi
+exit "${res}"