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| 1 | +// Copyright 2025 New Relic Corporation. All rights reserved. |
| 2 | +// SPDX-License-Identifier: Apache-2.0 |
| 3 | +package manifest |
| 4 | + |
| 5 | +import ( |
| 6 | + "encoding/json" |
| 7 | + "fmt" |
| 8 | + "newrelic-collector-builder/internal/manifest" |
| 9 | + "path/filepath" |
| 10 | + |
| 11 | + "github.com/knadh/koanf/parsers/yaml" |
| 12 | + "github.com/knadh/koanf/v2" |
| 13 | + "golang.org/x/mod/semver" |
| 14 | + |
| 15 | + "github.com/knadh/koanf/providers/file" |
| 16 | + "github.com/spf13/cobra" |
| 17 | + "go.uber.org/zap" |
| 18 | +) |
| 19 | + |
| 20 | +// UpdateCmd represents the `manifest update` subcommand |
| 21 | +var UpdateCmd = &cobra.Command{ |
| 22 | + Use: "update", |
| 23 | + Short: "Update the manifest file", |
| 24 | + Long: "Update the manifest file to ensure otel components are up to date.", |
| 25 | + |
| 26 | + RunE: func(cmd *cobra.Command, args []string) error { |
| 27 | + configPath, _ := cmd.Flags().GetString("config") |
| 28 | + |
| 29 | + jsonOutput, _ := cmd.Root().PersistentFlags().GetBool("json") |
| 30 | + verbose, _ := cmd.Root().PersistentFlags().GetBool("verbose") |
| 31 | + |
| 32 | + matches, _ := filepath.Glob(configPath) |
| 33 | + |
| 34 | + if len(matches) == 0 { |
| 35 | + fmt.Println("No files matched the pattern.") |
| 36 | + return nil |
| 37 | + } |
| 38 | + |
| 39 | + var otelColVersion string |
| 40 | + |
| 41 | + for _, match := range matches { |
| 42 | + cfg, _, err := initConfig(match, verbose) |
| 43 | + |
| 44 | + if err != nil { |
| 45 | + return err |
| 46 | + } |
| 47 | + |
| 48 | + if err = cfg.Validate(); err != nil { |
| 49 | + return fmt.Errorf("invalid configuration: %w", err) |
| 50 | + } |
| 51 | + |
| 52 | + if err = cfg.SetGoPath(); err != nil { |
| 53 | + return fmt.Errorf("go not found: %w", err) |
| 54 | + } |
| 55 | + |
| 56 | + if err = cfg.SetOtelColVersion(); err != nil { |
| 57 | + return fmt.Errorf("go not found: %w", err) |
| 58 | + } |
| 59 | + |
| 60 | + if err = cfg.ParseModules(); err != nil { |
| 61 | + return fmt.Errorf("invalid module configuration: %w", err) |
| 62 | + } |
| 63 | + |
| 64 | + updatedCfg, err := manifest.UpdateConfigModules(cfg) |
| 65 | + if err != nil { |
| 66 | + return fmt.Errorf("failed to update configuration: %w", err) |
| 67 | + } |
| 68 | + |
| 69 | + if err = manifest.WriteConfigFile(updatedCfg); err != nil { |
| 70 | + return fmt.Errorf("failed to write configuration file: %w", err) |
| 71 | + } |
| 72 | + |
| 73 | + if otelColVersion == "" || semver.Compare(otelColVersion, cfg.OtelColVersion) > 0 { |
| 74 | + otelColVersion = cfg.OtelColVersion |
| 75 | + } |
| 76 | + } |
| 77 | + |
| 78 | + if jsonOutput { |
| 79 | + // print JSON output of all otel versions |
| 80 | + output := struct { |
| 81 | + OtelColVersion string `json:"otelColVersion"` |
| 82 | + }{ |
| 83 | + OtelColVersion: otelColVersion, |
| 84 | + } |
| 85 | + b, err := json.Marshal(output) |
| 86 | + if err != nil { |
| 87 | + return fmt.Errorf("failed to marshal JSON output: %w", err) |
| 88 | + } |
| 89 | + fmt.Println(string(b)) |
| 90 | + } |
| 91 | + |
| 92 | + return nil |
| 93 | + |
| 94 | + }, |
| 95 | +} |
| 96 | + |
| 97 | +func initConfig(cfgFile string, verbose bool) (*manifest.Config, *koanf.Koanf, error) { |
| 98 | + var err error |
| 99 | + log, err := zap.NewDevelopment() |
| 100 | + if err != nil { |
| 101 | + return nil, nil, fmt.Errorf("failed to create logger: %w", err) |
| 102 | + } |
| 103 | + |
| 104 | + cfg := &manifest.Config{ |
| 105 | + Logger: log, |
| 106 | + Verbose: verbose, |
| 107 | + } |
| 108 | + |
| 109 | + if cfg.Verbose { |
| 110 | + cfg.Logger.Info("Using config file", zap.String("path", cfgFile)) |
| 111 | + } |
| 112 | + // load the config file |
| 113 | + provider := file.Provider(cfgFile) |
| 114 | + |
| 115 | + k := koanf.New(".") |
| 116 | + |
| 117 | + if err = k.Load(provider, yaml.Parser()); err != nil { |
| 118 | + return nil, nil, fmt.Errorf("failed to load configuration file: %w", err) |
| 119 | + } |
| 120 | + |
| 121 | + if err = k.UnmarshalWithConf("", cfg, koanf.UnmarshalConf{Tag: "mapstructure"}); err != nil { |
| 122 | + return nil, nil, fmt.Errorf("failed to unmarshal configuration: %w", err) |
| 123 | + } |
| 124 | + |
| 125 | + cfg.Path = cfgFile |
| 126 | + cfg.Dir = filepath.Dir(cfgFile) |
| 127 | + |
| 128 | + return cfg, k, nil |
| 129 | +} |
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