Add generated file

This PR adds generated files under pkg/client and vendor folder.

vendor/k8s.io/kubernetes/pkg/kubectl/cmd/set/env/BUILD

@@ -0,0 +1,41 @@
+load("@io_bazel_rules_go//go:def.bzl", "go_library", "go_test")
+
+go_library(
+    name = "go_default_library",
+    srcs = [
+        "doc.go",
+        "env_parse.go",
+        "env_resolve.go",
+    ],
+    importpath = "k8s.io/kubernetes/pkg/kubectl/cmd/set/env",
+    visibility = ["//visibility:public"],
+    deps = [
+        "//pkg/api/v1/resource:go_default_library",
+        "//pkg/fieldpath:go_default_library",
+        "//vendor/k8s.io/api/core/v1:go_default_library",
+        "//vendor/k8s.io/apimachinery/pkg/apis/meta/v1:go_default_library",
+        "//vendor/k8s.io/apimachinery/pkg/runtime:go_default_library",
+        "//vendor/k8s.io/apimachinery/pkg/util/sets:go_default_library",
+        "//vendor/k8s.io/client-go/kubernetes:go_default_library",
+    ],
+)
+
+filegroup(
+    name = "package-srcs",
+    srcs = glob(["**"]),
+    tags = ["automanaged"],
+    visibility = ["//visibility:private"],
+)
+
+filegroup(
+    name = "all-srcs",
+    srcs = [":package-srcs"],
+    tags = ["automanaged"],
+    visibility = ["//visibility:public"],
+)
+
+go_test(
+    name = "go_default_test",
+    srcs = ["env_parse_test.go"],
+    embed = [":go_default_library"],
+)

vendor/k8s.io/kubernetes/pkg/kubectl/cmd/set/env/doc.go

@@ -0,0 +1,18 @@
+/*
+Copyright 2017 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 env provides functions to incorporate environment variables into set env.
+package env

vendor/k8s.io/kubernetes/pkg/kubectl/cmd/set/env/env_parse.go

@@ -0,0 +1,137 @@
+/*
+Copyright 2017 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 env
+
+import (
+	"bufio"
+	"fmt"
+	"io"
+	"regexp"
+	"strings"
+
+	"k8s.io/api/core/v1"
+	"k8s.io/apimachinery/pkg/util/sets"
+)
+
+var argumentEnvironment = regexp.MustCompile("(?ms)^(.+)\\=(.*)$")
+var validArgumentEnvironment = regexp.MustCompile("(?ms)^(\\w+)\\=(.*)$")
+
+// IsEnvironmentArgument checks whether a string is an environment argument, that is, whether it matches the "anycharacters=anycharacters" pattern.
+func IsEnvironmentArgument(s string) bool {
+	return argumentEnvironment.MatchString(s)
+}
+
+// IsValidEnvironmentArgument checks whether a string is a valid environment argument, that is, whether it matches the "wordcharacters=anycharacters" pattern. Word characters can be letters, numbers, and underscores.
+func IsValidEnvironmentArgument(s string) bool {
+	return validArgumentEnvironment.MatchString(s)
+}
+
+// SplitEnvironmentFromResources separates resources from environment arguments.
+// Resources must come first. Arguments may have the "DASH-" syntax.
+func SplitEnvironmentFromResources(args []string) (resources, envArgs []string, ok bool) {
+	first := true
+	for _, s := range args {
+		// this method also has to understand env removal syntax, i.e. KEY-
+		isEnv := IsEnvironmentArgument(s) || strings.HasSuffix(s, "-")
+		switch {
+		case first && isEnv:
+			first = false
+			fallthrough
+		case !first && isEnv:
+			envArgs = append(envArgs, s)
+		case first && !isEnv:
+			resources = append(resources, s)
+		case !first && !isEnv:
+			return nil, nil, false
+		}
+	}
+	return resources, envArgs, true
+}
+
+// parseIntoEnvVar parses the list of key-value pairs into kubernetes EnvVar.
+// envVarType is for making errors more specific to user intentions.
+func parseIntoEnvVar(spec []string, defaultReader io.Reader, envVarType string) ([]v1.EnvVar, []string, error) {
+	env := []v1.EnvVar{}
+	exists := sets.NewString()
+	var remove []string
+	for _, envSpec := range spec {
+		switch {
+		case !IsValidEnvironmentArgument(envSpec) && !strings.HasSuffix(envSpec, "-"):
+			return nil, nil, fmt.Errorf("%ss must be of the form key=value and can only contain letters, numbers, and underscores", envVarType)
+		case envSpec == "-":
+			if defaultReader == nil {
+				return nil, nil, fmt.Errorf("when '-' is used, STDIN must be open")
+			}
+			fileEnv, err := readEnv(defaultReader, envVarType)
+			if err != nil {
+				return nil, nil, err
+			}
+			env = append(env, fileEnv...)
+		case strings.Index(envSpec, "=") != -1:
+			parts := strings.SplitN(envSpec, "=", 2)
+			if len(parts) != 2 {
+				return nil, nil, fmt.Errorf("invalid %s: %v", envVarType, envSpec)
+			}
+			exists.Insert(parts[0])
+			env = append(env, v1.EnvVar{
+				Name:  parts[0],
+				Value: parts[1],
+			})
+		case strings.HasSuffix(envSpec, "-"):
+			remove = append(remove, envSpec[:len(envSpec)-1])
+		default:
+			return nil, nil, fmt.Errorf("unknown %s: %v", envVarType, envSpec)
+		}
+	}
+	for _, removeLabel := range remove {
+		if _, found := exists[removeLabel]; found {
+			return nil, nil, fmt.Errorf("can not both modify and remove the same %s in the same command", envVarType)
+		}
+	}
+	return env, remove, nil
+}
+
+// ParseEnv parses the elements of the first argument looking for environment variables in key=value form and, if one of those values is "-", it also scans the reader.
+// The same environment variable cannot be both modified and removed in the same command.
+func ParseEnv(spec []string, defaultReader io.Reader) ([]v1.EnvVar, []string, error) {
+	return parseIntoEnvVar(spec, defaultReader, "environment variable")
+}
+
+func readEnv(r io.Reader, envVarType string) ([]v1.EnvVar, error) {
+	env := []v1.EnvVar{}
+	scanner := bufio.NewScanner(r)
+	for scanner.Scan() {
+		envSpec := scanner.Text()
+		if pos := strings.Index(envSpec, "#"); pos != -1 {
+			envSpec = envSpec[:pos]
+		}
+		if strings.Index(envSpec, "=") != -1 {
+			parts := strings.SplitN(envSpec, "=", 2)
+			if len(parts) != 2 {
+				return nil, fmt.Errorf("invalid %s: %v", envVarType, envSpec)
+			}
+			env = append(env, v1.EnvVar{
+				Name:  parts[0],
+				Value: parts[1],
+			})
+		}
+	}
+	if err := scanner.Err(); err != nil && err != io.EOF {
+		return nil, err
+	}
+	return env, nil
+}

vendor/k8s.io/kubernetes/pkg/kubectl/cmd/set/env/env_parse_test.go

@@ -0,0 +1,69 @@
+/*
+Copyright 2017 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 env
+
+import (
+	"fmt"
+	"io"
+	"strings"
+)
+
+func ExampleIsEnvironmentArgument_true() {
+	test := "returns=true"
+	fmt.Println(IsEnvironmentArgument(test))
+	// Output: true
+}
+
+func ExampleIsEnvironmentArgument_false() {
+	test := "returnsfalse"
+	fmt.Println(IsEnvironmentArgument(test))
+	// Output: false
+}
+
+func ExampleIsValidEnvironmentArgument_true() {
+	test := "wordcharacters=true"
+	fmt.Println(IsValidEnvironmentArgument(test))
+	// Output: true
+}
+
+func ExampleIsValidEnvironmentArgument_false() {
+	test := "not$word^characters=test"
+	fmt.Println(IsValidEnvironmentArgument(test))
+	// Output: false
+}
+
+func ExampleSplitEnvironmentFromResources() {
+	args := []string{`resource`, "ENV\\=ARG", `ONE\=MORE`, `DASH-`}
+	fmt.Println(SplitEnvironmentFromResources(args))
+	// Output: [resource] [ENV\=ARG ONE\=MORE DASH-] true
+}
+
+func ExampleParseEnv_good() {
+	r := strings.NewReader("FROM=READER")
+	ss := []string{"ENV=VARIABLE", "AND=ANOTHER", "REMOVE-", "-"}
+	fmt.Println(ParseEnv(ss, r))
+	// Output:
+	// [{ENV VARIABLE nil} {AND ANOTHER nil} {FROM READER nil}] [REMOVE] <nil>
+}
+
+func ExampleParseEnv_bad() {
+	var r io.Reader
+	bad := []string{"This not in the key=value format."}
+	fmt.Println(ParseEnv(bad, r))
+	// Output:
+	// [] [] environment variables must be of the form key=value and can only contain letters, numbers, and underscores
+}

vendor/k8s.io/kubernetes/pkg/kubectl/cmd/set/env/env_resolve.go

@@ -0,0 +1,133 @@
+/*
+Copyright 2017 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 env
+
+import (
+	"fmt"
+
+	"k8s.io/api/core/v1"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/apimachinery/pkg/runtime"
+	"k8s.io/client-go/kubernetes"
+	"k8s.io/kubernetes/pkg/api/v1/resource"
+	"k8s.io/kubernetes/pkg/fieldpath"
+)
+
+// ResourceStore defines a new resource store data structure.
+type ResourceStore struct {
+	SecretStore    map[string]*v1.Secret
+	ConfigMapStore map[string]*v1.ConfigMap
+}
+
+// NewResourceStore returns a pointer to a new resource store data structure.
+func NewResourceStore() *ResourceStore {
+	return &ResourceStore{
+		SecretStore:    make(map[string]*v1.Secret),
+		ConfigMapStore: make(map[string]*v1.ConfigMap),
+	}
+}
+
+// getSecretRefValue returns the value of a secret in the supplied namespace
+func getSecretRefValue(client kubernetes.Interface, namespace string, store *ResourceStore, secretSelector *v1.SecretKeySelector) (string, error) {
+	secret, ok := store.SecretStore[secretSelector.Name]
+	if !ok {
+		var err error
+		secret, err = client.CoreV1().Secrets(namespace).Get(secretSelector.Name, metav1.GetOptions{})
+		if err != nil {
+			return "", err
+		}
+		store.SecretStore[secretSelector.Name] = secret
+	}
+	if data, ok := secret.Data[secretSelector.Key]; ok {
+		return string(data), nil
+	}
+	return "", fmt.Errorf("key %s not found in secret %s", secretSelector.Key, secretSelector.Name)
+
+}
+
+// getConfigMapRefValue returns the value of a configmap in the supplied namespace
+func getConfigMapRefValue(client kubernetes.Interface, namespace string, store *ResourceStore, configMapSelector *v1.ConfigMapKeySelector) (string, error) {
+	configMap, ok := store.ConfigMapStore[configMapSelector.Name]
+	if !ok {
+		var err error
+		configMap, err = client.CoreV1().ConfigMaps(namespace).Get(configMapSelector.Name, metav1.GetOptions{})
+		if err != nil {
+			return "", err
+		}
+		store.ConfigMapStore[configMapSelector.Name] = configMap
+	}
+	if data, ok := configMap.Data[configMapSelector.Key]; ok {
+		return string(data), nil
+	}
+	return "", fmt.Errorf("key %s not found in config map %s", configMapSelector.Key, configMapSelector.Name)
+}
+
+// getFieldRef returns the value of the supplied path in the given object
+func getFieldRef(obj runtime.Object, from *v1.EnvVarSource) (string, error) {
+	return fieldpath.ExtractFieldPathAsString(obj, from.FieldRef.FieldPath)
+}
+
+// getResourceFieldRef returns the value of a resource in the given container
+func getResourceFieldRef(from *v1.EnvVarSource, c *v1.Container) (string, error) {
+	return resource.ExtractContainerResourceValue(from.ResourceFieldRef, c)
+}
+
+// GetEnvVarRefValue returns the value referenced by the supplied EnvVarSource given the other supplied information.
+func GetEnvVarRefValue(kc kubernetes.Interface, ns string, store *ResourceStore, from *v1.EnvVarSource, obj runtime.Object, c *v1.Container) (string, error) {
+	if from.SecretKeyRef != nil {
+		return getSecretRefValue(kc, ns, store, from.SecretKeyRef)
+	}
+
+	if from.ConfigMapKeyRef != nil {
+		return getConfigMapRefValue(kc, ns, store, from.ConfigMapKeyRef)
+	}
+
+	if from.FieldRef != nil {
+		return getFieldRef(obj, from)
+	}
+
+	if from.ResourceFieldRef != nil {
+		return getResourceFieldRef(from, c)
+	}
+
+	return "", fmt.Errorf("invalid valueFrom")
+}
+
+// GetEnvVarRefString returns a text description of whichever field is set within the supplied EnvVarSource argument.
+func GetEnvVarRefString(from *v1.EnvVarSource) string {
+	if from.ConfigMapKeyRef != nil {
+		return fmt.Sprintf("configmap %s, key %s", from.ConfigMapKeyRef.Name, from.ConfigMapKeyRef.Key)
+	}
+
+	if from.SecretKeyRef != nil {
+		return fmt.Sprintf("secret %s, key %s", from.SecretKeyRef.Name, from.SecretKeyRef.Key)
+	}
+
+	if from.FieldRef != nil {
+		return fmt.Sprintf("field path %s", from.FieldRef.FieldPath)
+	}
+
+	if from.ResourceFieldRef != nil {
+		containerPrefix := ""
+		if from.ResourceFieldRef.ContainerName != "" {
+			containerPrefix = fmt.Sprintf("%s/", from.ResourceFieldRef.ContainerName)
+		}
+		return fmt.Sprintf("resource field %s%s", containerPrefix, from.ResourceFieldRef.Resource)
+	}
+
+	return "invalid valueFrom"
+}