VOL-3943 - multiple stack configuration support
Change-Id: I28cb26b6cd6fbc5b3f0e8d406a68bf5c964a57fd
diff --git a/internal/pkg/apis/config/v3/defaults.go b/internal/pkg/apis/config/v3/defaults.go
new file mode 100644
index 0000000..2fcdff2
--- /dev/null
+++ b/internal/pkg/apis/config/v3/defaults.go
@@ -0,0 +1,84 @@
+/*
+ * Copyright 2021-present Ciena Corporation
+ *
+ * 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.
+ */
+package config
+
+import (
+ "log"
+ "os"
+ "time"
+)
+
+func NewDefaultConfig() *GlobalConfigSpec {
+ return &GlobalConfigSpec{
+ ApiVersion: "v3",
+ CurrentStack: "",
+ Stacks: []*StackConfigSpec{NewDefaultStack("default")},
+ }
+}
+
+func NewDefaultStack(name string) *StackConfigSpec {
+ return &StackConfigSpec{
+ Name: name,
+ Server: "localhost:55555",
+ Kafka: "localhost:9093",
+ KvStore: "localhost:2379",
+ Tls: TlsConfigSpec{
+ UseTls: false,
+ Verify: false,
+ },
+ Grpc: GrpcConfigSpec{
+ ConnectTimeout: 5 * time.Second,
+ Timeout: 5 * time.Minute,
+ MaxCallRecvMsgSize: "4MB",
+ },
+ KvStoreConfig: KvStoreConfigSpec{
+ Timeout: 5 * time.Second,
+ },
+ }
+}
+
+func (g *GlobalConfigSpec) StackByName(name string) *StackConfigSpec {
+ for _, stack := range g.Stacks {
+ if stack.Name == name {
+ return stack
+ }
+ }
+ return nil
+}
+
+func (g *GlobalConfigSpec) CurrentAsStack() *StackConfigSpec {
+ if g.CurrentStack == "" {
+ if len(g.Stacks) == 0 {
+ return nil
+ }
+ return g.Stacks[0]
+ }
+ return g.StackByName(g.CurrentStack)
+}
+
+func (g GlobalConfigSpec) Current() *StackConfigSpec {
+ stack := g.CurrentAsStack()
+ if stack == nil {
+ if len(g.Stacks) > 1 {
+ log.New(os.Stderr, "ERROR: ", 0).
+ Fatal("multiple stacks configured without current specified")
+ }
+ log.New(os.Stderr, "ERROR: ", 0).
+ Fatalf("current stack specified, '%s', does not exist as a configured stack",
+ g.CurrentStack)
+ }
+ return stack
+}