mirror of https://github.com/knative/func.git
89 lines
2.1 KiB
Go
89 lines
2.1 KiB
Go
package cmd
|
|
|
|
import (
|
|
"fmt"
|
|
|
|
"github.com/ory/viper"
|
|
"github.com/spf13/cobra"
|
|
|
|
bosonFunc "github.com/boson-project/func"
|
|
"github.com/boson-project/func/docker"
|
|
)
|
|
|
|
func init() {
|
|
// Add the run command as a subcommand of root.
|
|
root.AddCommand(runCmd)
|
|
runCmd.Flags().StringArrayP("env", "e", []string{}, "Environment variable to set in the form NAME=VALUE. You may provide this flag multiple times for setting multiple environment variables.")
|
|
runCmd.Flags().StringP("path", "p", cwd(), "Path to the project directory (Env: $FUNC_PATH)")
|
|
}
|
|
|
|
var runCmd = &cobra.Command{
|
|
Use: "run",
|
|
Short: "Run the function locally",
|
|
Long: `Run the function locally
|
|
|
|
Runs the function locally in the current directory or in the directory
|
|
specified by --path flag. The function must already have been built with the 'build' command.
|
|
`,
|
|
Example: `
|
|
# Build function's image first
|
|
kn func build
|
|
|
|
# Run it locally as a container
|
|
kn func run
|
|
`,
|
|
SuggestFor: []string{"rnu"},
|
|
PreRunE: bindEnv("path"),
|
|
RunE: runRun,
|
|
}
|
|
|
|
func runRun(cmd *cobra.Command, args []string) (err error) {
|
|
config := newRunConfig(cmd)
|
|
|
|
function, err := bosonFunc.NewFunction(config.Path)
|
|
if err != nil {
|
|
return
|
|
}
|
|
|
|
function.Env = mergeEnvMaps(function.Env, config.Env)
|
|
|
|
err = function.WriteConfig()
|
|
if err != nil {
|
|
return
|
|
}
|
|
|
|
// Check if the Function has been initialized
|
|
if !function.Initialized() {
|
|
return fmt.Errorf("the given path '%v' does not contain an initialized function", config.Path)
|
|
}
|
|
|
|
runner := docker.NewRunner()
|
|
runner.Verbose = config.Verbose
|
|
|
|
client := bosonFunc.New(
|
|
bosonFunc.WithRunner(runner),
|
|
bosonFunc.WithVerbose(config.Verbose))
|
|
|
|
err = client.Run(cmd.Context(), config.Path)
|
|
return
|
|
}
|
|
|
|
type runConfig struct {
|
|
// Path of the Function implementation on local disk. Defaults to current
|
|
// working directory of the process.
|
|
Path string
|
|
|
|
// Verbose logging.
|
|
Verbose bool
|
|
|
|
Env map[string]string
|
|
}
|
|
|
|
func newRunConfig(cmd *cobra.Command) runConfig {
|
|
return runConfig{
|
|
Path: viper.GetString("path"),
|
|
Verbose: viper.GetBool("verbose"), // defined on root
|
|
Env: envFromCmd(cmd),
|
|
}
|
|
}
|