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Enable exec functions (Alpha)

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This commit is contained in:
Phillip Wittrock
2020-05-05 07:47:08 -07:00
parent 174b2ed62e
commit 95f0a44fc0
4 changed files with 80 additions and 25 deletions
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53
cmd/config/internal/commands/run-fns.go
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@@ -42,14 +42,17 @@ func GetRunFnRunner(name string) *RunFnRunner {
&r.Image, "image", "",
"run this image as a function instead of discovering them.")
r.Command.Flags().BoolVar(
&r.EnableStar, "enable-star", false, "enable support for starlark functions.")
r.Command.Flags().MarkHidden("enable-star")
&r.EnableExec, "enable-exec", false, "enable support for exec functions. (Alpha)")
r.Command.Flags().StringVar(
&r.StarPath, "star-path", "", "run a starlark script as a function.")
r.Command.Flags().MarkHidden("star-path")
&r.ExecPath, "exec-path", "", "run an executable as a function. (Alpha)")
r.Command.Flags().StringArrayVar(
&r.ExecArgs, "exec-arg", nil, "arg for executable function. (Alpha)")
r.Command.Flags().BoolVar(
&r.EnableStar, "enable-star", false, "enable support for starlark functions. (Alpha)")
r.Command.Flags().StringVar(
&r.StarName, "star-name", "", "name of starlark program.")
r.Command.Flags().MarkHidden("star-name")
&r.StarPath, "star-path", "", "run a starlark script as a function. (Alpha)")
r.Command.Flags().StringVar(
&r.StarName, "star-name", "", "name of starlark program. (Alpha)")
r.Command.Flags().StringVar(
&r.ResultsDir, "results-dir", "", "write function results to this dir")
@@ -79,6 +82,9 @@ type RunFnRunner struct {
EnableStar bool
StarPath string
StarName string
EnableExec bool
ExecPath string
ExecArgs []string
RunFns runfn.RunFns
ResultsDir string
Network bool
@@ -94,14 +100,13 @@ func (r *RunFnRunner) runE(c *cobra.Command, args []string) error {
// Functions to run.
func (r *RunFnRunner) getContainerFunctions(c *cobra.Command, args, dataItems []string) (
[]*yaml.RNode, error) {
if r.Image == "" && r.StarPath == "" {
if r.Image == "" && r.StarPath == "" && r.ExecPath == "" {
return nil, nil
}
var fn *yaml.RNode
var err error
// if image isn't specified, then Functions is empty
if r.Image != "" {
// create the function spec to set as an annotation
fn, err = yaml.Parse(`container: {}`)
@@ -143,8 +148,29 @@ func (r *RunFnRunner) getContainerFunctions(c *cobra.Command, args, dataItems []
if err != nil {
return nil, err
}
} else {
return nil, nil
} else if r.EnableExec && r.ExecPath != "" {
// create the function spec to set as an annotation
fn, err = yaml.Parse(`exec: {}`)
if err != nil {
return nil, err
}
err = fn.PipeE(
yaml.Lookup("exec"),
yaml.SetField("path", yaml.NewScalarRNode(r.ExecPath)))
if err != nil {
return nil, err
}
// add the arguments
for _, a := range r.ExecArgs {
err = fn.PipeE(
yaml.LookupCreate(yaml.SequenceNode, "exec", "args"),
yaml.Append(yaml.NewScalarRNode(a).YNode()))
if err != nil {
return nil, err
}
}
}
// create the function config
@@ -221,8 +247,12 @@ func (r *RunFnRunner) preRunE(c *cobra.Command, args []string) error {
return errors.Errorf("must specify --enable-star with --star-path")
}
if !r.EnableExec && r.ExecPath != "" {
return errors.Errorf("must specify --enable-exec with --exec-path")
}
if c.ArgsLenAtDash() >= 0 && r.Image == "" &&
!(r.EnableStar && r.StarPath != "") {
!(r.EnableStar && r.StarPath != "") && !(r.EnableExec && r.ExecPath != "") {
return errors.Errorf("must specify --image")
}
@@ -270,6 +300,7 @@ func (r *RunFnRunner) preRunE(c *cobra.Command, args []string) error {
Network: r.Network,
NetworkName: r.NetworkName,
EnableStarlark: r.EnableStar,
EnableExec: r.EnableExec,
StorageMounts: storageMounts,
ResultsDir: r.ResultsDir,
}