Merge pull request #869 from ashcrow/aliyun

providers/aliyun: Add aliyun

internal/platform/platform.go

@@ -19,6 +19,7 @@ import (
 
 	"github.com/coreos/ignition/v2/internal/log"
 	"github.com/coreos/ignition/v2/internal/providers"
+	"github.com/coreos/ignition/v2/internal/providers/aliyun"
 	"github.com/coreos/ignition/v2/internal/providers/aws"
 	"github.com/coreos/ignition/v2/internal/providers/azure"
 	"github.com/coreos/ignition/v2/internal/providers/cloudstack"
@@ -73,6 +74,10 @@ func (c Config) Status(stageName string, f resource.Fetcher, statusErr error) er
 var configs = registry.Create("platform configs")
 
 func init() {
+	configs.Register(Config{
+		name:  "aliyun",
+		fetch: aliyun.FetchConfig,
+	})
 	configs.Register(Config{
 		name:  "azure",
 		fetch: azure.FetchConfig,

internal/providers/aliyun/aliyun.go

@@ -0,0 +1,47 @@
+// Copyright 2019 Red Hat
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// The aliyun provider fetches a remote configuration from the
+// aliyun user-data metadata service URL.
+
+package aliyun
+
+import (
+	"net/url"
+
+	"github.com/coreos/ignition/v2/config/v3_1_experimental/types"
+	"github.com/coreos/ignition/v2/internal/providers/util"
+	"github.com/coreos/ignition/v2/internal/resource"
+
+	"github.com/coreos/vcontext/report"
+)
+
+var (
+	userdataUrl = url.URL{
+		Scheme: "http",
+		Host:   "100.100.100.200",
+		Path:   "latest/user-data",
+	}
+)
+
+func FetchConfig(f *resource.Fetcher) (types.Config, report.Report, error) {
+	data, err := f.FetchToBuffer(userdataUrl, resource.FetchOptions{
+		Headers: resource.ConfigHeaders,
+	})
+	if err != nil && err != resource.ErrNotFound {
+		return types.Config{}, report.Report{}, err
+	}
+
+	return util.ParseConfig(f.Logger, data)
+}