go.chromium.org/luci@v0.0.0-20240309015107-7cdc2e660f33/led/job/edit_cipd_pkgs.go (about)

     1  // Copyright 2020 The LUCI Authors.
     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 job
    16  
    17  import (
    18  	"fmt"
    19  	"strings"
    20  
    21  	swarmingpb "go.chromium.org/luci/swarming/proto/api_v2"
    22  )
    23  
    24  // CIPDPkgs is a mapping of the CIPD packages within a Definition in the form
    25  // of:
    26  //
    27  //	"subdir:name/of/package" -> "version"
    28  type CIPDPkgs map[string]string
    29  
    30  func (c CIPDPkgs) fromList(pkgs []*swarmingpb.CipdPackage) {
    31  	for _, pkg := range pkgs {
    32  		if path := pkg.Path; path == "" || path == "." {
    33  			c[pkg.PackageName] = pkg.Version
    34  		} else {
    35  			c[fmt.Sprintf("%s:%s", path, pkg.PackageName)] = pkg.Version
    36  		}
    37  	}
    38  }
    39  
    40  func (c CIPDPkgs) equal(other CIPDPkgs) bool {
    41  	if len(c) != len(other) {
    42  		return false
    43  	}
    44  	for key := range c {
    45  		if c[key] != other[key] {
    46  			return false
    47  		}
    48  	}
    49  	return true
    50  }
    51  
    52  func (c CIPDPkgs) updateCipdPkgs(pinSets *[]*swarmingpb.CipdPackage) {
    53  	if len(c) == 0 {
    54  		return
    55  	}
    56  
    57  	// subdir -> pkg -> version
    58  	currentMapping := map[string]map[string]string{}
    59  	for _, pin := range *pinSets {
    60  		subdirM, ok := currentMapping[pin.Path]
    61  		if !ok {
    62  			subdirM = map[string]string{}
    63  			currentMapping[pin.Path] = subdirM
    64  		}
    65  		subdirM[pin.PackageName] = pin.Version
    66  	}
    67  
    68  	for subdirPkg, vers := range c {
    69  		subdir := "."
    70  		pkg := subdirPkg
    71  		if toks := strings.SplitN(subdirPkg, ":", 2); len(toks) > 1 {
    72  			subdir, pkg = toks[0], toks[1]
    73  			if subdir == "" {
    74  				subdir = "."
    75  			}
    76  		}
    77  		if vers == "" {
    78  			delete(currentMapping[subdir], pkg)
    79  		} else {
    80  			subdirM, ok := currentMapping[subdir]
    81  			if !ok {
    82  				subdirM = map[string]string{}
    83  				currentMapping[subdir] = subdirM
    84  			}
    85  			subdirM[pkg] = vers
    86  		}
    87  	}
    88  
    89  	newPkgs := make([]*swarmingpb.CipdPackage, 0, len(*pinSets)+len(c))
    90  	for _, subdir := range keysOf(currentMapping) {
    91  		for _, pkg := range keysOf(currentMapping[subdir]) {
    92  			newPkgs = append(newPkgs, &swarmingpb.CipdPackage{
    93  				Path:        subdir,
    94  				PackageName: pkg,
    95  				Version:     currentMapping[subdir][pkg],
    96  			})
    97  		}
    98  	}
    99  	*pinSets = newPkgs
   100  }