Migrate from urfave/cli to cobra (#1385)

pkg/fission-cli/cmd/spec/command.go

@@ -0,0 +1,72 @@
+/*
+Copyright 2019 The Fission Authors.
+
+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 spec
+
+import (
+	"github.com/spf13/cobra"
+
+	wrapper "github.com/fission/fission/pkg/fission-cli/cliwrapper/driver/cobra"
+	"github.com/fission/fission/pkg/fission-cli/flag"
+)
+
+func Commands() *cobra.Command {
+	initCmd := &cobra.Command{
+		Use:   "init",
+		Short: "Create an initial declarative application specification",
+		RunE:  wrapper.Wrapper(Init),
+	}
+	wrapper.SetFlags(initCmd, flag.FlagSet{
+		Optional: []flag.Flag{flag.SpecDirFlag, flag.SpecNameFlag, flag.SpecDeployIDFlag},
+	})
+
+	validateCmd := &cobra.Command{
+		Use:   "validate",
+		Short: "Validate declarative application specification",
+		RunE:  wrapper.Wrapper(Validate),
+	}
+	wrapper.SetFlags(validateCmd, flag.FlagSet{
+		Optional: []flag.Flag{flag.SpecDirFlag},
+	})
+
+	applyCmd := &cobra.Command{
+		Use:   "apply",
+		Short: "Create, update, or delete resources from application specification",
+		RunE:  wrapper.Wrapper(Apply),
+	}
+	wrapper.SetFlags(applyCmd, flag.FlagSet{
+		Optional: []flag.Flag{flag.SpecDirFlag, flag.SpecDeployIDFlag, flag.SpecWaitFlag},
+	})
+
+	destroyCmd := &cobra.Command{
+		Use:   "destroy",
+		Short: "Delete an environment",
+		RunE:  wrapper.Wrapper(Destroy),
+	}
+	wrapper.SetFlags(destroyCmd, flag.FlagSet{
+		Optional: []flag.Flag{flag.SpecDirFlag},
+	})
+
+	command := &cobra.Command{
+		Use:     "spec",
+		Aliases: []string{"specs"},
+		Short:   "Manage a declarative application specification",
+	}
+
+	command.AddCommand(initCmd, validateCmd, applyCmd, destroyCmd)
+
+	return command
+}