40 lines
1.2 KiB
Go
40 lines
1.2 KiB
Go
package cmd
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import (
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"log"
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"gitea.nehmer.net/torben/dyndns/service"
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"github.com/spf13/cobra"
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"github.com/spf13/viper"
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)
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var cmdDNSUpdate = &cobra.Command{
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Use: "dns-update",
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Short: "Dynamically update a DNS record",
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Long: `Dynamically updates a given DNS FQDN based on the given v4 and/or v6 addresses.
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At least one IP must be specified, the call fails if both IPs are empty.`,
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// Run is defined inline in init to capture Flag variables in the closure
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}
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func init() {
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rootCmd.AddCommand(cmdDNSUpdate)
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ip4 := cmdDNSUpdate.Flags().IPP("ipv4", "4", nil, "IPv4 Address to set")
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ip6 := cmdDNSUpdate.Flags().IPP("ipv6", "6", nil, "IPv6 Address to set")
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name := cmdDNSUpdate.Flags().StringP("name", "n", "", "Hostname to set within the domain")
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cmdDNSUpdate.MarkFlagRequired("name")
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domain := cmdDNSUpdate.Flags().StringP("domain", "d", "", "Domain to set the records in.")
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cmdDNSUpdate.MarkFlagRequired("domain")
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cmdDNSUpdate.Run = func(cmd *cobra.Command, args []string) {
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log.Printf("Configuration in use: %v", viper.AllSettings())
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service.LoadConfig()
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err := service.DNSUpdateEntry(*domain, *name, *ip4, *ip6)
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if err != nil {
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log.Fatalf("Could not update DNS: %s", err)
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}
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log.Println("DNS has been successfully updated.")
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}
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}
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