github.com/koderover/helm@v2.17.0+incompatible/pkg/chartutil/capabilities.go (about)

     1  /*
     2  Copyright The Helm Authors.
     3  Licensed under the Apache License, Version 2.0 (the "License");
     4  you may not use this file except in compliance with the License.
     5  You may obtain a copy of the License at
     6  
     7  http://www.apache.org/licenses/LICENSE-2.0
     8  
     9  Unless required by applicable law or agreed to in writing, software
    10  distributed under the License is distributed on an "AS IS" BASIS,
    11  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  See the License for the specific language governing permissions and
    13  limitations under the License.
    14  */
    15  //go:generate go run generator/capabilities_default_versions_generate.go
    16  
    17  package chartutil
    18  
    19  import (
    20  	"fmt"
    21  	"runtime"
    22  
    23  	"k8s.io/apimachinery/pkg/version"
    24  	tversion "k8s.io/helm/pkg/proto/hapi/version"
    25  )
    26  
    27  var (
    28  	// DefaultVersionSet is the default version set in included in Kubernetes for workloads
    29  	// Default versions as of Kubernetes 1.14
    30  	DefaultVersionSet = NewVersionSet(defaultVersions()...)
    31  
    32  	// DefaultKubeVersion is the default kubernetes version
    33  	DefaultKubeVersion = &version.Info{
    34  		Major:      "1",
    35  		Minor:      "14",
    36  		GitVersion: "v1.14.0",
    37  		GoVersion:  runtime.Version(),
    38  		Compiler:   runtime.Compiler,
    39  		Platform:   fmt.Sprintf("%s/%s", runtime.GOOS, runtime.GOARCH),
    40  	}
    41  )
    42  
    43  // Capabilities describes the capabilities of the Kubernetes cluster that Tiller is attached to.
    44  type Capabilities struct {
    45  	// APIVersions list of all supported API versions
    46  	APIVersions VersionSet
    47  	// KubeVersion is the Kubernetes version
    48  	KubeVersion *version.Info
    49  	// TillerVersion is the Tiller version
    50  	//
    51  	// This always comes from pkg/version.GetVersionProto().
    52  	TillerVersion *tversion.Version
    53  }
    54  
    55  // VersionSet is a set of Kubernetes API versions.
    56  type VersionSet map[string]interface{}
    57  
    58  // NewVersionSet creates a new version set from a list of strings.
    59  func NewVersionSet(apiVersions ...string) VersionSet {
    60  	vs := VersionSet{}
    61  	for _, v := range apiVersions {
    62  		vs[v] = struct{}{}
    63  	}
    64  	return vs
    65  }
    66  
    67  // Has returns true if the version string is in the set.
    68  //
    69  //	vs.Has("extensions/v1beta1")
    70  func (v VersionSet) Has(apiVersion string) bool {
    71  	_, ok := v[apiVersion]
    72  	return ok
    73  }