50 lines
1.2 KiB
Go
50 lines
1.2 KiB
Go
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package cmd
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import (
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"net/url"
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"time"
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"git.cryptic.systems/volker.raschek/db-wait/pkg/dbwait"
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"github.com/spf13/cobra"
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)
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func Execute(version string) error {
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rootCmd := &cobra.Command{
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Use: "db-wait",
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Short: "Tool to wait until a connection to a database can be established",
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Args: cobra.ExactArgs(1),
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RunE: rootRunE,
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Long: `Wait until a database connection can be established and returns a zero exit code if successfully
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# Wait until oracle database is ready to establish connections
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$ db-wait oracle://user:password@localhost:1521/xe
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# Wait until postgres database is ready to establish connections
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$ db-wait postgres://user:password@localhost:5432/postgres?sslmode=disable
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`,
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}
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rootCmd.Flags().Duration("period", time.Second*5, "Period")
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rootCmd.Flags().Duration("timeout", time.Second*60, "Timeout")
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return rootCmd.Execute()
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}
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func rootRunE(cmd *cobra.Command, args []string) error {
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period, err := cmd.Flags().GetDuration("period")
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if err != nil {
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return err
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}
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timeout, err := cmd.Flags().GetDuration("timeout")
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if err != nil {
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return err
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}
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databaseURL, err := url.Parse(args[0])
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if err != nil {
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return err
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}
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return dbwait.Wait(databaseURL, period, timeout)
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}
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