github.com/webonyx/up@v0.7.4-0.20180808230834-91b94e551323/internal/cli/stack/stack.go (about)

     1  package stack
     2  
     3  import (
     4  	"fmt"
     5  
     6  	"github.com/pkg/errors"
     7  	"github.com/tj/kingpin"
     8  	"github.com/tj/survey"
     9  
    10  	"github.com/apex/up/internal/cli/root"
    11  	"github.com/apex/up/internal/stats"
    12  	"github.com/apex/up/internal/util"
    13  )
    14  
    15  func init() {
    16  	cmd := root.Command("stack", "Stack resource management.")
    17  
    18  	cmd.Example(`up stack`, "Show status of the stack resources.")
    19  	cmd.Example(`up stack plan`, "Show resource changes.")
    20  	cmd.Example(`up stack apply`, "Apply resource changes.")
    21  	cmd.Example(`up stack delete`, "Delete the stack resources.")
    22  
    23  	plan(cmd)
    24  	apply(cmd)
    25  	delete(cmd)
    26  	status(cmd)
    27  }
    28  
    29  // plan changes.
    30  func plan(cmd *kingpin.Cmd) {
    31  	c := cmd.Command("plan", "Plan configuration changes.")
    32  	c.Example(`up stack plan`, "Show changes planned.")
    33  
    34  	c.Action(func(_ *kingpin.ParseContext) error {
    35  		c, p, err := root.Init()
    36  		if err != nil {
    37  			return errors.Wrap(err, "initializing")
    38  		}
    39  
    40  		stats.Track("Plan Stack", nil)
    41  		region := c.Regions[0]
    42  
    43  		ok, err := p.Exists(region)
    44  		if err != nil {
    45  			return errors.Wrap(err, "checking if app exists")
    46  		}
    47  
    48  		if !ok {
    49  			return errors.New("Application does not exist, please run `$ up` initially to create it.")
    50  		}
    51  
    52  		// TODO: multi-region
    53  		return p.PlanStack(region)
    54  	})
    55  }
    56  
    57  // apply changes.
    58  func apply(cmd *kingpin.Cmd) {
    59  	c := cmd.Command("apply", "Apply configuration changes.")
    60  	c.Example(`up stack apply`, "Apply the changes of the previous plan.")
    61  
    62  	c.Action(func(_ *kingpin.ParseContext) error {
    63  		c, p, err := root.Init()
    64  		if err != nil {
    65  			return errors.Wrap(err, "initializing")
    66  		}
    67  
    68  		stats.Track("Apply Stack", map[string]interface{}{
    69  			"dns_zone_count":     len(c.DNS.Zones),
    70  			"stage_count":        len(c.Stages.List()),
    71  			"stage_domain_count": len(c.Stages.Domains()),
    72  			"alerts_count":       len(c.Alerts),
    73  			"actions_count":      len(c.Actions),
    74  		})
    75  
    76  		// TODO: multi-region
    77  		return p.ApplyStack(c.Regions[0])
    78  	})
    79  }
    80  
    81  // delete resources.
    82  func delete(cmd *kingpin.Cmd) {
    83  	c := cmd.Command("delete", "Delete configured resources.")
    84  	c.Example(`up stack delete`, "Delete stack with confirmation prompt.")
    85  	c.Example(`up stack delete --force`, "Delete stack without confirmation prompt.")
    86  	c.Example(`up stack delete --async`, "Don't wait for deletion to complete.")
    87  	c.Example(`up stack delete -fa`, "Force asynchronous deletion.")
    88  
    89  	force := c.Flag("force", "Skip the confirmation prompt.").Short('f').Bool()
    90  	async := c.Flag("async", "Perform deletion asynchronously.").Short('a').Bool()
    91  
    92  	c.Action(func(_ *kingpin.ParseContext) error {
    93  		c, p, err := root.Init()
    94  		if err != nil {
    95  			return errors.Wrap(err, "initializing")
    96  		}
    97  
    98  		wait := !*async
    99  		defer util.Pad()()
   100  
   101  		stats.Track("Delete Stack", map[string]interface{}{
   102  			"force": *force,
   103  			"wait":  wait,
   104  		})
   105  
   106  		if *force {
   107  			// TODO: multi-region
   108  			return p.DeleteStack(c.Regions[0], wait)
   109  		}
   110  
   111  		prompt := &survey.Confirm{
   112  			Message: fmt.Sprintf("Really destroy stack %q?", c.Name),
   113  		}
   114  
   115  		var ok bool
   116  		if err := survey.AskOne(prompt, &ok, nil); err != nil {
   117  			return err
   118  		}
   119  
   120  		if !ok {
   121  			util.LogPad("Aborted")
   122  			return nil
   123  		}
   124  
   125  		return p.DeleteStack(c.Regions[0], wait)
   126  	})
   127  }
   128  
   129  // status of the stack.
   130  func status(cmd *kingpin.Cmd) {
   131  	c := cmd.Command("status", "Show status of resources.").Default()
   132  
   133  	c.Action(func(_ *kingpin.ParseContext) error {
   134  		c, p, err := root.Init()
   135  		if err != nil {
   136  			return errors.Wrap(err, "initializing")
   137  		}
   138  
   139  		stats.Track("Show Stack", nil)
   140  
   141  		// TODO: multi-region
   142  		return p.ShowStack(c.Regions[0])
   143  	})
   144  }