Add e2e test for provisioner plugin

Ensure we can still execute a 3rd party provisioner binary, using the
legacy plugin discovery location of the configuration root directory.
This commit is contained in:
James Bardin 2020-11-25 18:36:30 -05:00
parent 76cb40005a
commit f8ccbcd3bb
2 changed files with 70 additions and 0 deletions

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package e2etest
import (
"os"
"path/filepath"
"strings"
"testing"
"github.com/hashicorp/terraform/e2e"
)
// TestProviderDevOverrides is a test that terraform can execute a 3rd party
// provisioner plugin.
func TestProvisionerPlugin(t *testing.T) {
t.Parallel()
// This test reaches out to releases.hashicorp.com to download the
// template and null providers, so it can only run if network access is
// allowed.
skipIfCannotAccessNetwork(t)
tf := e2e.NewBinary(terraformBin, "testdata/provisioner-plugin")
defer tf.Close()
// In order to do a decent end-to-end test for this case we will need a
// real enough provisioner plugin to try to run and make sure we are able
// to actually run it. Here will build the local-exec provisioner into a
// binary called test-provisioner
provisionerExePrefix := filepath.Join(tf.WorkDir(), "terraform-provisioner-test_")
provisionerExe := e2e.GoBuild("github.com/hashicorp/terraform/internal/provisioner-local-exec/main", provisionerExePrefix)
// provisioners must use the old binary name format, so rename this binary
newExe := filepath.Join(tf.WorkDir(), "terraform-provisioner-test")
if _, err := os.Stat(newExe); !os.IsNotExist(err) {
t.Fatalf("%q already exists", newExe)
}
if err := os.Rename(provisionerExe, newExe); err != nil {
t.Fatalf("error renaming provisioner binary: %v", err)
}
provisionerExe = newExe
t.Logf("temporary provisioner executable is %s", provisionerExe)
//// INIT
_, stderr, err := tf.Run("init")
if err != nil {
t.Fatalf("unexpected init error: %s\nstderr:\n%s", err, stderr)
}
//// PLAN
_, stderr, err = tf.Run("plan", "-out=tfplan")
if err != nil {
t.Fatalf("unexpected plan error: %s\nstderr:\n%s", err, stderr)
}
//// APPLY
stdout, stderr, err := tf.Run("apply", "tfplan")
if err != nil {
t.Fatalf("unexpected apply error: %s\nstderr:\n%s", err, stderr)
}
if !strings.Contains(stdout, "HelloProvisioner") {
t.Fatalf("missing provisioner output:\n%s", stdout)
}
}

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resource "null_resource" "a" {
provisioner "test" {
command = "echo HelloProvisioner"
}
}