github.com/willyham/dosa@v2.3.1-0.20171024181418-1e446d37ee71+incompatible/cmd/dosa/scope.go (about)

     1  // Copyright (c) 2017 Uber Technologies, Inc.
     2  //
     3  // Permission is hereby granted, free of charge, to any person obtaining a copy
     4  // of this software and associated documentation files (the "Software"), to deal
     5  // in the Software without restriction, including without limitation the rights
     6  // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
     7  // copies of the Software, and to permit persons to whom the Software is
     8  // furnished to do so, subject to the following conditions:
     9  //
    10  // The above copyright notice and this permission notice shall be included in
    11  // all copies or substantial portions of the Software.
    12  //
    13  // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    14  // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    15  // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
    16  // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
    17  // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
    18  // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
    19  // THE SOFTWARE.
    20  
    21  package main
    22  
    23  import (
    24  	"context"
    25  	"fmt"
    26  
    27  	"github.com/pkg/errors"
    28  	"github.com/uber-go/dosa"
    29  )
    30  
    31  // ScopeOptions contains configuration for scope command flags
    32  type ScopeOptions struct{}
    33  
    34  // ScopeCmd is a placeholder for all scope commands
    35  type ScopeCmd struct{}
    36  
    37  func (c *ScopeCmd) doScopeOp(name string, f func(dosa.AdminClient, context.Context, string) error, scopes []string) error {
    38  	// set default service name if one isn't provided, this is done here instead
    39  	// of in the struct tags because schema and scope commands differ slightly
    40  	// in how the service name should be inferred.
    41  	if options.ServiceName == "" {
    42  		options.ServiceName = _defServiceName // defined in options.go
    43  	}
    44  
    45  	client, err := getAdminClient(options)
    46  	if err != nil {
    47  		return err
    48  	}
    49  	for _, s := range scopes {
    50  		ctx, cancel := context.WithTimeout(context.Background(), options.Timeout.Duration())
    51  		defer cancel()
    52  		if err := f(client, ctx, s); err != nil {
    53  			return errors.Wrapf(err, "%s scope on %q", name, s)
    54  		}
    55  		fmt.Printf("%s scope %q: OK\n", name, s)
    56  	}
    57  	return nil
    58  }
    59  
    60  // ScopeCreate contains data for executing scope create command.
    61  type ScopeCreate struct {
    62  	*ScopeCmd
    63  	Args struct {
    64  		Scopes []string `positional-arg-name:"scopes" required:"1"`
    65  	} `positional-args:"yes" required:"1"`
    66  }
    67  
    68  // Execute executes a scope create command
    69  func (c *ScopeCreate) Execute(args []string) error {
    70  	return c.doScopeOp("create", dosa.AdminClient.CreateScope, c.Args.Scopes)
    71  }
    72  
    73  // ScopeDrop contains data for executing scope drop command.
    74  type ScopeDrop struct {
    75  	*ScopeCmd
    76  	Args struct {
    77  		Scopes []string `positional-arg-name:"scopes" required:"1"`
    78  	} `positional-args:"yes" required:"1"`
    79  }
    80  
    81  // Execute executes a scope drop command
    82  func (c *ScopeDrop) Execute(args []string) error {
    83  	return c.doScopeOp("drop", dosa.AdminClient.DropScope, c.Args.Scopes)
    84  }
    85  
    86  // ScopeTruncate contains data for executing scope truncate command.
    87  type ScopeTruncate struct {
    88  	*ScopeCmd
    89  	Args struct {
    90  		Scopes []string `positional-arg-name:"scopes" required:"1"`
    91  	} `positional-args:"yes" required:"1"`
    92  }
    93  
    94  // Execute executes a scope truncate command
    95  func (c *ScopeTruncate) Execute(args []string) error {
    96  	return c.doScopeOp("truncate", dosa.AdminClient.TruncateScope, c.Args.Scopes)
    97  }