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https://github.com/notherealmarco/coredns-deployment.git
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37f5d0dad4
* Initial commit for the corefile-tool cli for the migration tool * cleanup implementation * nit * add fn to get corefile path * add released command and improve readme
52 lines
1.8 KiB
Go
52 lines
1.8 KiB
Go
package cmd
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import (
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"fmt"
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"github.com/coredns/deployment/kubernetes/migration"
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"github.com/spf13/cobra"
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)
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// NewRemovedCmd represents the removed command
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func NewRemovedCmd() *cobra.Command {
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removedCmd := &cobra.Command{
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Use: "removed",
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Short: "Removed returns a list of removed plugins or directives present in the Corefile.",
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Example: `# See removed plugins CoreDNS from v1.4.0 to v1.5.0.
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corefile-tool removed --from 1.4.0 --to 1.5.0 --corefile /path/to/Corefile`,
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RunE: func(cmd *cobra.Command, args []string) error {
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from, _ := cmd.Flags().GetString("from")
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to, _ := cmd.Flags().GetString("to")
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corefile, _ := cmd.Flags().GetString("corefile")
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removed, err := removedCorefileFromPath(from, to, corefile)
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if err != nil {
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return fmt.Errorf("error while listing deprecated plugins: %v \n", err)
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}
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for _, rem := range removed {
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fmt.Println(rem.ToString())
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}
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return nil
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},
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}
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removedCmd.Flags().String("from", "", "Required: The version you are migrating from. ")
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removedCmd.MarkFlagRequired("from")
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removedCmd.Flags().String("to", "", "Required: The version you are migrating to.")
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removedCmd.MarkFlagRequired("to")
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removedCmd.Flags().String("corefile", "", "Required: The path where your Corefile is located.")
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removedCmd.MarkFlagRequired("corefile")
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return removedCmd
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}
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// removedCorefileFromPath takes the path where the Corefile is located and returns the plugins or directives
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// that have been removed.
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func removedCorefileFromPath(fromCoreDNSVersion, toCoreDNSVersion, corefilePath string) ([]migration.Notice, error) {
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fileBytes, err := getCorefileFromPath(corefilePath)
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if err != nil {
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return nil, err
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}
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corefileStr := string(fileBytes)
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return migration.Removed(fromCoreDNSVersion, toCoreDNSVersion, corefileStr)
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}
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