mirror of https://github.com/knative/func.git
108 lines
3.3 KiB
Go
108 lines
3.3 KiB
Go
package cmd
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import (
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"fmt"
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"github.com/ory/viper"
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"github.com/spf13/cobra"
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"github.com/boson-project/faas"
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"github.com/boson-project/faas/buildpacks"
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"github.com/boson-project/faas/docker"
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"github.com/boson-project/faas/knative"
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"github.com/boson-project/faas/prompt"
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)
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func init() {
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root.AddCommand(updateCmd)
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updateCmd.Flags().BoolP("confirm", "c", false, "Prompt to confirm all configuration options - $FAAS_CONFIRM")
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updateCmd.Flags().StringP("namespace", "n", "", "Override namespace for the Function (on supported platforms). Default is to use currently active underlying platform setting - $FAAS_NAMESPACE")
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updateCmd.Flags().StringP("path", "p", cwd(), "Path to the Function project directory - $FAAS_PATH")
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updateCmd.Flags().StringP("repository", "r", "", "Repository for built images, ex 'docker.io/myuser' or just 'myuser'. - $FAAS_REPOSITORY")
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}
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var updateCmd = &cobra.Command{
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Use: "update",
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Short: "Update or create a deployed Function",
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Long: `Update deployed Function to match the current local state.`,
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SuggestFor: []string{"push", "deploy"},
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PreRunE: bindEnv("namespace", "path", "repository", "confirm"),
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RunE: runUpdate,
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}
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func runUpdate(cmd *cobra.Command, args []string) (err error) {
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config := newUpdateConfig()
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function, err := functionWithOverrides(config.Path, config.Namespace, "")
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if err != nil {
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return err
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}
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if function.Image == "" {
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return fmt.Errorf("Cannot determine the Function image. Have you built it yet?")
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}
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config.Prompt()
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builder := buildpacks.NewBuilder()
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builder.Verbose = config.Verbose
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pusher := docker.NewPusher()
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pusher.Verbose = config.Verbose
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updater, err := knative.NewUpdater(config.Namespace)
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if err != nil {
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return
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}
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updater.Verbose = config.Verbose
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client := faas.New(
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faas.WithVerbose(config.Verbose),
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faas.WithBuilder(builder),
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faas.WithPusher(pusher),
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faas.WithUpdater(updater))
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return client.Update(config.Path)
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}
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type updateConfig struct {
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// Namespace override for the deployed Function. If provided, the
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// underlying platform will be instructed to deploy the Function to the given
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// namespace (if such a setting is applicable; such as for Kubernetes
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// clusters). If not provided, the currently configured namespace will be
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// used. For instance, that which would be used by default by `kubectl`
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// (~/.kube/config) in the case of Kubernetes.
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Namespace string
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// Path of the Function implementation on local disk. Defaults to current
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// working directory of the process.
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Path string
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// Repository at which interstitial build artifacts should be kept.
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// Registry is optional and is defaulted to faas.DefaultRegistry.
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// ex: "quay.io/myrepo" or "myrepo"
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// This setting is ignored if Image is specified, which includes the full
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Repository string
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// Verbose logging.
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Verbose bool
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}
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func newUpdateConfig() updateConfig {
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return updateConfig{
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Namespace: viper.GetString("namespace"),
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Path: viper.GetString("path"),
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Repository: viper.GetString("repository"),
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Verbose: viper.GetBool("verbose"), // defined on root
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}
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}
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func (c updateConfig) Prompt() updateConfig {
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if !interactiveTerminal() || !viper.GetBool("confirm") {
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return c
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}
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return updateConfig{
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Namespace: prompt.ForString("Namespace", c.Namespace),
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Path: prompt.ForString("Project path", c.Path),
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Verbose: c.Verbose,
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}
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}
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