106 lines
2.3 KiB
Go
106 lines
2.3 KiB
Go
package command
|
|
|
|
import (
|
|
"fmt"
|
|
"os"
|
|
|
|
"github.com/hashicorp/terraform/config"
|
|
"github.com/hashicorp/terraform/terraform"
|
|
"github.com/mitchellh/cli"
|
|
)
|
|
|
|
// DefaultStateFilename is the default filename used for the state file.
|
|
const DefaultStateFilename = "terraform.tfstate"
|
|
|
|
func ContextArg(
|
|
path string,
|
|
statePath string,
|
|
opts *terraform.ContextOpts) (*terraform.Context, error) {
|
|
// First try to just read the plan directly from the path given.
|
|
f, err := os.Open(path)
|
|
if err == nil {
|
|
plan, err := terraform.ReadPlan(f)
|
|
f.Close()
|
|
if err == nil {
|
|
return plan.Context(opts), nil
|
|
}
|
|
}
|
|
|
|
if statePath != "" {
|
|
if _, err := os.Stat(statePath); err != nil {
|
|
return nil, fmt.Errorf(
|
|
"There was an error reading the state file. The path\n"+
|
|
"and error are shown below. If you're trying to build a\n"+
|
|
"brand new infrastructure, explicitly pass the '-init'\n"+
|
|
"flag to Terraform to tell it it is okay to build new\n"+
|
|
"state.\n\n"+
|
|
"Path: %s\n"+
|
|
"Error: %s",
|
|
statePath,
|
|
err)
|
|
}
|
|
}
|
|
|
|
// Load up the state
|
|
var state *terraform.State
|
|
if statePath != "" {
|
|
f, err := os.Open(statePath)
|
|
if err == nil {
|
|
state, err = terraform.ReadState(f)
|
|
f.Close()
|
|
}
|
|
|
|
if err != nil {
|
|
return nil, fmt.Errorf("Error loading state: %s", err)
|
|
}
|
|
}
|
|
|
|
config, err := config.LoadDir(path)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("Error loading config: %s", err)
|
|
}
|
|
if err := config.Validate(); err != nil {
|
|
return nil, fmt.Errorf("Error validating config: %s", err)
|
|
}
|
|
|
|
opts.Config = config
|
|
opts.State = state
|
|
ctx := terraform.NewContext(opts)
|
|
|
|
if _, err := ctx.Plan(nil); err != nil {
|
|
return nil, fmt.Errorf("Error running plan: %s", err)
|
|
}
|
|
|
|
return ctx, nil
|
|
}
|
|
|
|
func validateContext(ctx *terraform.Context, ui cli.Ui) bool {
|
|
if ws, es := ctx.Validate(); len(ws) > 0 || len(es) > 0 {
|
|
ui.Output(
|
|
"There are warnings and/or errors related to your configuration. Please\n" +
|
|
"fix these before continuing.\n")
|
|
|
|
if len(ws) > 0 {
|
|
ui.Output("Warnings:\n")
|
|
for _, w := range ws {
|
|
ui.Output(fmt.Sprintf(" * %s", w))
|
|
}
|
|
|
|
if len(es) > 0 {
|
|
ui.Output("")
|
|
}
|
|
}
|
|
|
|
if len(es) > 0 {
|
|
ui.Output("Errors:\n")
|
|
for _, e := range es {
|
|
ui.Output(fmt.Sprintf(" * %s", e))
|
|
}
|
|
}
|
|
|
|
return false
|
|
}
|
|
|
|
return true
|
|
}
|