fix(ansible): resolve relative include_tasks paths

Co-Authored-By: Virgil <virgil@lethean.io>

executor.go

@@ -759,8 +759,11 @@ func (e *Executor) runIncludeTasks(ctx context.Context, hosts []string, task *Ta
 		path = task.ImportTasks
 	}
 
-	// Resolve path relative to playbook
+	// Resolve path relative to the playbook root when it is not absolute.
 	path = e.templateString(path, "", nil)
+	if path != "" && !pathIsAbs(path) {
+		path = joinPath(e.parser.basePath, path)
+	}
 
 	tasks, err := e.parser.ParseTasks(path)
 	if err != nil {

executor_test.go

@@ -2,6 +2,7 @@ package ansible
 
 import (
 	"context"
+	"os"
 	"testing"
 	"time"
 
@@ -283,6 +284,38 @@ func TestExecutor_RunPlay_Good_RunOnceTaskOnlyRunsOnFirstHost(t *testing.T) {
 	assert.False(t, ok)
 }
 
+func TestExecutor_RunPlay_Good_IncludeTasksResolvesRelativeToPlaybookRoot(t *testing.T) {
+	dir := t.TempDir()
+
+	includedPath := joinPath(dir, "included.yml")
+	playbookPath := joinPath(dir, "playbook.yml")
+
+	require.NoError(t, os.WriteFile(includedPath, []byte(`
+- name: included debug
+  debug:
+    msg: hello
+`), 0o644))
+
+	require.NoError(t, os.WriteFile(playbookPath, []byte(`
+- name: include relative path
+  hosts: localhost
+  gather_facts: false
+  tasks:
+    - name: load relative tasks
+      include_tasks: included.yml
+`), 0o644))
+
+	e := NewExecutor(dir)
+
+	var executed []string
+	e.OnTaskStart = func(host string, task *Task) {
+		executed = append(executed, task.Name)
+	}
+
+	require.NoError(t, e.Run(context.Background(), playbookPath))
+	assert.Contains(t, executed, "included debug")
+}
+
 func TestExecutor_RunTaskOnHost_Good_ChangedWhenOverridesResult(t *testing.T) {
 	e := NewExecutor("/tmp")
 	task := &Task{