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provisioner/local-exec: First pass
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parent
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commit
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10
builtin/bins/provisioner-local-exec/main.go
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10
builtin/bins/provisioner-local-exec/main.go
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package main
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import (
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"github.com/hashicorp/terraform/builtin/provisioners/local-exec"
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"github.com/hashicorp/terraform/plugin"
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)
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func main() {
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plugin.Serve(new(localexec.ResourceProvisioner))
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}
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1
builtin/bins/provisioner-local-exec/main_test.go
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1
builtin/bins/provisioner-local-exec/main_test.go
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package main
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65
builtin/provisioners/local-exec/resource_provisioner.go
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builtin/provisioners/local-exec/resource_provisioner.go
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package localexec
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import (
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"fmt"
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"os/exec"
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"runtime"
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"github.com/armon/circbuf"
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"github.com/hashicorp/terraform/helper/config"
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"github.com/hashicorp/terraform/terraform"
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)
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const (
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// maxBufSize limits how much output we collect from a local
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// invocation. This is to prevent TF memory usage from growing
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// to an enormous amount due to a faulty process.
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maxBufSize = 8 * 1024
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)
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type ResourceProvisioner struct{}
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func (p *ResourceProvisioner) Apply(
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s *terraform.ResourceState,
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c *terraform.ResourceConfig) (*terraform.ResourceState, error) {
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// Get the command
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commandRaw, ok := c.Get("command")
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if !ok {
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return s, fmt.Errorf("local-exec provisioner missing 'command'")
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}
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command, ok := commandRaw.(string)
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if !ok {
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return s, fmt.Errorf("local-exec provisioner command must be a string")
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}
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// Execute the command using a shell
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var shell, flag string
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if runtime.GOOS == "windows" {
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shell = "cmd"
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flag = "/C"
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} else {
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shell = "/bin/sh"
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flag = "-c"
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}
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// Setup the command
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cmd := exec.Command(shell, flag, command)
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output, _ := circbuf.NewBuffer(maxBufSize)
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cmd.Stderr = output
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cmd.Stdout = output
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// Run the command to completion
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if err := cmd.Run(); err != nil {
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return s, fmt.Errorf("Error running command '%s': %v. Output: %s",
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command, err, output.Bytes())
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}
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return s, nil
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}
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func (p *ResourceProvisioner) Validate(c *terraform.ResourceConfig) ([]string, []error) {
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validator := config.Validator{
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Required: []string{"command"},
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}
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return validator.Validate(c)
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}
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11
builtin/provisioners/local-exec/resource_provisioner_test.go
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builtin/provisioners/local-exec/resource_provisioner_test.go
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package localexec
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import (
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"testing"
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"github.com/hashicorp/terraform/terraform"
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)
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func TestResourceProvisioner_impl(t *testing.T) {
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var _ terraform.ResourceProvisioner = new(ResourceProvisioner)
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}
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