github.com/bigcommerce/nomad@v0.9.3-bc/command/sentinel_read.go (about)

     1  package command
     2  
     3  import (
     4  	"fmt"
     5  	"strings"
     6  
     7  	"github.com/posener/complete"
     8  )
     9  
    10  type SentinelReadCommand struct {
    11  	Meta
    12  }
    13  
    14  func (c *SentinelReadCommand) Help() string {
    15  	helpText := `
    16  Usage: nomad sentinel read [options] <name>
    17  
    18    Read is used to inspect a Sentinel policy.
    19  
    20  General Options:
    21  
    22    ` + generalOptionsUsage() + `
    23  
    24  Read Options:
    25  
    26    -raw
    27      Prints only the raw policy
    28  
    29  `
    30  	return strings.TrimSpace(helpText)
    31  }
    32  
    33  func (c *SentinelReadCommand) AutocompleteFlags() complete.Flags {
    34  	return mergeAutocompleteFlags(c.Meta.AutocompleteFlags(FlagSetClient),
    35  		complete.Flags{
    36  			"-raw": complete.PredictNothing,
    37  		})
    38  }
    39  
    40  func (c *SentinelReadCommand) AutocompleteArgs() complete.Predictor {
    41  	return complete.PredictNothing
    42  }
    43  
    44  func (c *SentinelReadCommand) Synopsis() string {
    45  	return "Inspects an existing Sentinel policies"
    46  }
    47  
    48  func (c *SentinelReadCommand) Name() string { return "sentinel read" }
    49  
    50  func (c *SentinelReadCommand) Run(args []string) int {
    51  	var raw bool
    52  	flags := c.Meta.FlagSet(c.Name(), FlagSetClient)
    53  	flags.Usage = func() { c.Ui.Output(c.Help()) }
    54  	flags.BoolVar(&raw, "raw", false, "")
    55  	if err := flags.Parse(args); err != nil {
    56  		return 1
    57  	}
    58  
    59  	// Check that we got exactly one arguments
    60  	args = flags.Args()
    61  	if l := len(args); l != 1 {
    62  		c.Ui.Error("This command takes one argument: <name>")
    63  		c.Ui.Error(commandErrorText(c))
    64  		return 1
    65  	}
    66  
    67  	// Get the name and file
    68  	policyName := args[0]
    69  
    70  	// Get the HTTP client
    71  	client, err := c.Meta.Client()
    72  	if err != nil {
    73  		c.Ui.Error(fmt.Sprintf("Error initializing client: %s", err))
    74  		return 1
    75  	}
    76  
    77  	// Query the policy
    78  	policy, _, err := client.SentinelPolicies().Info(policyName, nil)
    79  	if err != nil {
    80  		c.Ui.Error(fmt.Sprintf("Error querying Sentinel policy: %s", err))
    81  		return 1
    82  	}
    83  
    84  	// Check for only the raw policy
    85  	if raw {
    86  		c.Ui.Output(policy.Policy)
    87  		return 0
    88  	}
    89  
    90  	// Output the base information
    91  	info := []string{
    92  		fmt.Sprintf("Name|%s", policy.Name),
    93  		fmt.Sprintf("Scope|%s", policy.Scope),
    94  		fmt.Sprintf("Enforcement Level|%s", policy.EnforcementLevel),
    95  		fmt.Sprintf("Description|%s", policy.Description),
    96  	}
    97  	c.Ui.Output(formatKV(info))
    98  	c.Ui.Output("Policy:")
    99  	c.Ui.Output(policy.Policy)
   100  	return 0
   101  }