github.com/erda-project/erda-infra@v1.0.9/providers/component-protocol/utils/cputil/provider_name.go (about)

     1  // Copyright (c) 2021 Terminus, Inc.
     2  //
     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  package cputil
    16  
    17  import (
    18  	"fmt"
    19  	"strings"
    20  
    21  	"github.com/erda-project/erda-infra/pkg/strutil"
    22  	"github.com/erda-project/erda-infra/providers/component-protocol/cptype"
    23  )
    24  
    25  const (
    26  	componentProviderNamePrefix = "component-protocol.components."
    27  )
    28  
    29  var (
    30  	componentProviderDefaultNamespacePrefix = componentProviderNamePrefix + cptype.DefaultComponentNamespace + "."
    31  )
    32  
    33  // MustGetScenarioAndCompNameFromProviderKey .
    34  func MustGetScenarioAndCompNameFromProviderKey(providerKey string) (scenario, compName, instanceName string) {
    35  	scenario, compName, instanceName, err := GetScenarioAndCompNameFromProviderKey(providerKey)
    36  	if err != nil {
    37  		panic(err)
    38  	}
    39  
    40  	return scenario, compName, instanceName
    41  }
    42  
    43  // GetScenarioAndCompNameFromProviderKey .
    44  func GetScenarioAndCompNameFromProviderKey(providerKey string) (scenario, compName, instanceName string, err error) {
    45  	// validate prefix
    46  	if !strutil.HasPrefixes(providerKey, componentProviderNamePrefix, componentProviderDefaultNamespacePrefix) {
    47  		return "", "", "", fmt.Errorf("invalid prefix")
    48  	}
    49  	// parse as std comp providerKey
    50  	ss := strings.SplitN(providerKey, ".", 4)
    51  	if len(ss) != 4 {
    52  		return "", "", "", fmt.Errorf("not standard provider key: %s", providerKey)
    53  	}
    54  	scenario = ss[2]
    55  	// default namespace doesn't belong to any scenario
    56  	if scenario == cptype.DefaultComponentNamespace {
    57  		scenario = ""
    58  	}
    59  	// split comp and instance name
    60  	compName, instanceName = splitCompAndInstance(ss[3])
    61  
    62  	return
    63  }
    64  
    65  // splitCompAndInstance split compPartKey to compName and instanceName.
    66  func splitCompAndInstance(compPartKey string) (compName, instanceName string) {
    67  	vv := strings.SplitN(compPartKey, "@", 2)
    68  	if len(vv) == 2 {
    69  		compName = vv[0]
    70  		instanceName = vv[1]
    71  	} else {
    72  		compName = compPartKey
    73  		instanceName = compName
    74  	}
    75  	return
    76  }
    77  
    78  // MakeComponentProviderName .
    79  func MakeComponentProviderName(scenario, compType string) string {
    80  	return fmt.Sprintf("%s%s.%s", componentProviderNamePrefix, scenario, compType)
    81  }