Add SDKs support.

Don't allow to install SDKs through XDS for now.
Only probe existing SDKs that have been manually installed using scripts/agl/install-agl-sdks.sh.

Signed-off-by: Sebastien Douheret <sebastien.douheret@iot.bzh>

2 files changed, 86 insertions, 0 deletions

diff --git a/lib/crosssdk/sdk.go b/lib/crosssdk/sdk.go
new file mode 100644
index 0000000..2f22f22
--- /dev/null
+++ b/lib/crosssdk/sdk.go
@@ -0,0 +1,47 @@
+package crosssdk
+
+import (
+	"fmt"
+	"path"
+	"path/filepath"
+)
+
+// SDK Define a cross tool chain used to build application
+type SDK struct {
+	Profile string
+	Version string
+	Arch    string
+	Path    string
+	EnvFile string
+}
+
+// NewCrossSDK creates a new instance of Syncthing
+func NewCrossSDK(path string) (*SDK, error) {
+	// Assume that we have .../<profile>/<version>/<arch>
+	s := SDK{Path: path}
+
+	s.Arch = filepath.Base(path)
+
+	d := filepath.Dir(path)
+	s.Version = filepath.Base(d)
+
+	d = filepath.Dir(d)
+	s.Profile = filepath.Base(d)
+
+	envFile := filepath.Join(path, "environment-setup*")
+	ef, err := filepath.Glob(envFile)
+	if err != nil {
+		return nil, fmt.Errorf("Cannot retrieve environment setup file: %v", err)
+	}
+	if len(ef) != 1 {
+		return nil, fmt.Errorf("No environment setup file found match %s", envFile)
+	}
+	s.EnvFile = ef[0]
+
+	return &s, nil
+}
+
+// GetEnvCmd returns the command to initialized the environment to use a cross SDK
+func (s *SDK) GetEnvCmd() string {
+	return ". " + path.Join(s.Path, s.EnvFile)
+}
diff --git a/lib/crosssdk/sdks.go b/lib/crosssdk/sdks.go
new file mode 100644
index 0000000..435aae6
--- /dev/null
+++ b/lib/crosssdk/sdks.go
@@ -0,0 +1,39 @@
+package crosssdk
+
+import (
+	"path"
+	"path/filepath"
+
+	"github.com/Sirupsen/logrus"
+	"github.com/iotbzh/xds-server/lib/common"
+	"github.com/iotbzh/xds-server/lib/xdsconfig"
+)
+
+// SDKs List of installed SDK
+type SDKs []*SDK
+
+// Init creates a new instance of Syncthing
+func Init(cfg *xdsconfig.Config, log *logrus.Logger) (*SDKs, error) {
+	s := SDKs{}
+
+	// Retrieve installed sdks
+	sdkRD := cfg.FileConf.SdkRootDir
+
+	if common.Exists(sdkRD) {
+
+		// Assume that SDK install tree is <rootdir>/<profile>/<version>/<arch>
+		dirs, err := filepath.Glob(path.Join(sdkRD, "*", "*", "*"))
+		if err != nil {
+			log.Debugf("Error while retrieving SDKs: dir=%s, error=%s", sdkRD, err.Error())
+			return &s, err
+		}
+		for _, d := range dirs {
+			sdk, err := NewCrossSDK(d)
+			if err != nil {
+				log.Debugf("Error while processing SDK dir=%s, err=%s", d, err.Error())
+			}
+			s = append(s, sdk)
+		}
+	}
+	return &s, nil
+}