feat(stacks): add support for stack deploy (#1280)

api/exec/stack_manager.go

@@ -0,0 +1,76 @@
+package exec
+
+import (
+	"bytes"
+	"os/exec"
+	"path"
+	"runtime"
+
+	"github.com/portainer/portainer"
+)
+
+// StackManager represents a service for managing stacks.
+type StackManager struct {
+	binaryPath string
+}
+
+// NewStackManager initializes a new StackManager service.
+func NewStackManager(binaryPath string) *StackManager {
+	return &StackManager{
+		binaryPath: binaryPath,
+	}
+}
+
+// Deploy will execute the Docker stack deploy command
+func (manager *StackManager) Deploy(stack *portainer.Stack, endpoint *portainer.Endpoint) error {
+	stackFilePath := path.Join(stack.ProjectPath, stack.EntryPoint)
+	command, args := prepareDockerCommandAndArgs(manager.binaryPath, endpoint)
+	args = append(args, "stack", "deploy", "--with-registry-auth", "--compose-file", stackFilePath, stack.Name)
+	return runCommandAndCaptureStdErr(command, args)
+}
+
+// Remove will execute the Docker stack rm command
+func (manager *StackManager) Remove(stack *portainer.Stack, endpoint *portainer.Endpoint) error {
+	command, args := prepareDockerCommandAndArgs(manager.binaryPath, endpoint)
+	args = append(args, "stack", "rm", stack.Name)
+	return runCommandAndCaptureStdErr(command, args)
+}
+
+func runCommandAndCaptureStdErr(command string, args []string) error {
+	var stderr bytes.Buffer
+	cmd := exec.Command(command, args...)
+	cmd.Stderr = &stderr
+
+	err := cmd.Run()
+	if err != nil {
+		return portainer.Error(stderr.String())
+	}
+
+	return nil
+}
+
+func prepareDockerCommandAndArgs(binaryPath string, endpoint *portainer.Endpoint) (string, []string) {
+	// Assume Linux as a default
+	command := path.Join(binaryPath, "docker")
+
+	if runtime.GOOS == "windows" {
+		command = path.Join(binaryPath, "docker.exe")
+	}
+
+	args := make([]string, 0)
+	args = append(args, "-H", endpoint.URL)
+
+	if endpoint.TLSConfig.TLS {
+		args = append(args, "--tls")
+
+		if !endpoint.TLSConfig.TLSSkipVerify {
+			args = append(args, "--tlsverify", "--tlscacert", endpoint.TLSConfig.TLSCACertPath)
+		}
+
+		if endpoint.TLSConfig.TLSCertPath != "" && endpoint.TLSConfig.TLSKeyPath != "" {
+			args = append(args, "--tlscert", endpoint.TLSConfig.TLSCertPath, "--tlskey", endpoint.TLSConfig.TLSKeyPath)
+		}
+	}
+
+	return command, args
+}