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feat(cli): add 'add-plugins' command
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/* | ||
Copyright © 2023 NAME HERE <EMAIL ADDRESS> | ||
*/ | ||
package cmd | ||
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import ( | ||
"fmt" | ||
"log" | ||
"strings" | ||
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"github.com/kong/go-apiops/deckformat" | ||
"github.com/kong/go-apiops/filebasics" | ||
"github.com/kong/go-apiops/logbasics" | ||
"github.com/kong/go-apiops/plugins" | ||
"github.com/spf13/cobra" | ||
) | ||
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// Executes the CLI command "add-plugins" | ||
func executeAddPlugins(cmd *cobra.Command, cfgFiles []string) error { | ||
verbosity, _ := cmd.Flags().GetInt("verbose") | ||
logbasics.Initialize(log.LstdFlags, verbosity) | ||
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inputFilename, err := cmd.Flags().GetString("state") | ||
if err != nil { | ||
return fmt.Errorf("failed getting cli argument 'state'; %w", err) | ||
} | ||
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outputFilename, err := cmd.Flags().GetString("output-file") | ||
if err != nil { | ||
return fmt.Errorf("failed getting cli argument 'output-file'; %w", err) | ||
} | ||
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var outputFormat string | ||
{ | ||
outputFormat, err = cmd.Flags().GetString("format") | ||
if err != nil { | ||
return fmt.Errorf("failed getting cli argument 'format'; %w", err) | ||
} | ||
outputFormat = strings.ToUpper(outputFormat) | ||
} | ||
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var selectors []string | ||
{ | ||
selectors, err = cmd.Flags().GetStringArray("selector") | ||
if err != nil { | ||
return fmt.Errorf("failed getting cli argument 'selector'; %w", err) | ||
} | ||
} | ||
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var pluginConfigs []map[string]interface{} | ||
{ | ||
strConfigs, err := cmd.Flags().GetStringArray("config") | ||
if err != nil { | ||
return fmt.Errorf("failed getting cli argument 'config'; %w", err) | ||
} | ||
for _, strConfig := range strConfigs { | ||
temp := []byte(strConfig) | ||
pluginConfig, err := filebasics.Deserialize(&temp) | ||
if err != nil { | ||
return fmt.Errorf("failed to deserialize plugin config '%s'; %w", strConfig, err) | ||
} | ||
pluginConfigs = append(pluginConfigs, pluginConfig) | ||
} | ||
} | ||
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var overwrite bool | ||
{ | ||
overwrite, err = cmd.Flags().GetBool("overwrite") | ||
if err != nil { | ||
return fmt.Errorf("failed getting cli argument 'overwrite'; %w", err) | ||
} | ||
} | ||
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if len(cfgFiles) > 0 { | ||
logbasics.Error(nil, "WARNING: 'config-files' are not yet implemented; ignoring") | ||
} | ||
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// do the work: read/add-plugins/write | ||
data, err := filebasics.DeserializeFile(inputFilename) | ||
if err != nil { | ||
return fmt.Errorf("failed to read input file '%s'; %w", inputFilename, err) | ||
} | ||
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plugger := plugins.Plugger{} | ||
plugger.SetData(data) | ||
err = plugger.SetSelectors(selectors) | ||
if err != nil { | ||
return fmt.Errorf("failed to set selectors; %w", err) | ||
} | ||
err = plugger.AddPlugins(pluginConfigs, overwrite) | ||
if err != nil { | ||
return fmt.Errorf("failed to add plugins; %w", err) | ||
} | ||
data = plugger.GetData() | ||
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trackInfo := deckformat.HistoryNewEntry("add-plugins") | ||
trackInfo["input"] = inputFilename | ||
trackInfo["output"] = outputFilename | ||
trackInfo["overwrite"] = overwrite | ||
if len(pluginConfigs) > 0 { | ||
trackInfo["configs"] = pluginConfigs | ||
} | ||
if len(cfgFiles) > 0 { | ||
trackInfo["config-files"] = cfgFiles | ||
} | ||
trackInfo["selectors"] = selectors | ||
deckformat.HistoryAppend(data, trackInfo) | ||
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return filebasics.WriteSerializedFile(outputFilename, data, outputFormat) | ||
} | ||
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// | ||
// | ||
// Define the CLI data for the add-plugins command | ||
// | ||
// | ||
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var addPluginsCmd = &cobra.Command{ | ||
Use: "add-plugins [flags] [...plugin-files]", | ||
Short: "Adds plugins to objects in a decK file", | ||
Long: `Adds plugins to objects in a decK file. | ||
The plugins are added to all objects that match the selector expressions. If no | ||
selectors are given, they will be added to the top-level 'plugins' array.`, | ||
RunE: executeAddPlugins, | ||
Args: cobra.MinimumNArgs(0), | ||
} | ||
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func init() { | ||
rootCmd.AddCommand(addPluginsCmd) | ||
addPluginsCmd.Flags().StringP("state", "s", "-", "decK file to process. Use - to read from stdin") | ||
addPluginsCmd.Flags().StringArray("selector", []string{}, | ||
"JSON path expression to select plugin-owning objects to add plugins to,\n"+ | ||
"defaults to the top-level (selector '$'). Repeat for multiple selectors.") | ||
addPluginsCmd.Flags().StringArray("config", []string{}, | ||
"JSON snippet containing the plugin configuration to add. Repeat to add\n"+ | ||
"multiple plugins.") | ||
addPluginsCmd.Flags().Bool("overwrite", false, | ||
"specifying this flag will overwrite plugins by the same name if they already\n"+ | ||
"exist in an array. The default is to skip existing plugins.") | ||
addPluginsCmd.Flags().StringP("output-file", "o", "-", "output file to write. Use - to write to stdout") | ||
addPluginsCmd.Flags().StringP("format", "", filebasics.OutputFormatYaml, "output format: "+ | ||
filebasics.OutputFormatJSON+" or "+filebasics.OutputFormatYaml) | ||
} |