github.com/zoomfoo/nomad@v0.8.5-0.20180907175415-f28fd3a1a056/command/job_deployments.go (about) 1 package command 2 3 import ( 4 "fmt" 5 "strings" 6 7 "github.com/hashicorp/nomad/api/contexts" 8 "github.com/posener/complete" 9 ) 10 11 type JobDeploymentsCommand struct { 12 Meta 13 } 14 15 func (c *JobDeploymentsCommand) Help() string { 16 helpText := ` 17 Usage: nomad job deployments [options] <job> 18 19 Deployments is used to display the deployments for a particular job. 20 21 General Options: 22 23 ` + generalOptionsUsage() + ` 24 25 Deployments Options: 26 27 -json 28 Output the deployments in a JSON format. 29 30 -t 31 Format and display deployments using a Go template. 32 33 -latest 34 Display the latest deployment only. 35 36 -verbose 37 Display full information. 38 ` 39 return strings.TrimSpace(helpText) 40 } 41 42 func (c *JobDeploymentsCommand) Synopsis() string { 43 return "List deployments for a job" 44 } 45 46 func (c *JobDeploymentsCommand) AutocompleteFlags() complete.Flags { 47 return mergeAutocompleteFlags(c.Meta.AutocompleteFlags(FlagSetClient), 48 complete.Flags{ 49 "-json": complete.PredictNothing, 50 "-t": complete.PredictAnything, 51 "-latest": complete.PredictNothing, 52 "-verbose": complete.PredictNothing, 53 }) 54 } 55 56 func (c *JobDeploymentsCommand) AutocompleteArgs() complete.Predictor { 57 return complete.PredictFunc(func(a complete.Args) []string { 58 client, err := c.Meta.Client() 59 if err != nil { 60 return nil 61 } 62 63 resp, _, err := client.Search().PrefixSearch(a.Last, contexts.Jobs, nil) 64 if err != nil { 65 return []string{} 66 } 67 return resp.Matches[contexts.Jobs] 68 }) 69 } 70 71 func (c *JobDeploymentsCommand) Name() string { return "job deployments" } 72 73 func (c *JobDeploymentsCommand) Run(args []string) int { 74 var json, latest, verbose bool 75 var tmpl string 76 77 flags := c.Meta.FlagSet(c.Name(), FlagSetClient) 78 flags.Usage = func() { c.Ui.Output(c.Help()) } 79 flags.BoolVar(&latest, "latest", false, "") 80 flags.BoolVar(&verbose, "verbose", false, "") 81 flags.BoolVar(&json, "json", false, "") 82 flags.StringVar(&tmpl, "t", "", "") 83 84 if err := flags.Parse(args); err != nil { 85 return 1 86 } 87 88 // Check that we got exactly one node 89 args = flags.Args() 90 if l := len(args); l != 1 { 91 c.Ui.Error("This command takes one argument: <job>") 92 c.Ui.Error(commandErrorText(c)) 93 return 1 94 } 95 96 // Get the HTTP client 97 client, err := c.Meta.Client() 98 if err != nil { 99 c.Ui.Error(fmt.Sprintf("Error initializing client: %s", err)) 100 return 1 101 } 102 103 jobID := args[0] 104 105 // Check if the job exists 106 jobs, _, err := client.Jobs().PrefixList(jobID) 107 if err != nil { 108 c.Ui.Error(fmt.Sprintf("Error listing jobs: %s", err)) 109 return 1 110 } 111 if len(jobs) == 0 { 112 c.Ui.Error(fmt.Sprintf("No job(s) with prefix or id %q found", jobID)) 113 return 1 114 } 115 if len(jobs) > 1 && strings.TrimSpace(jobID) != jobs[0].ID { 116 c.Ui.Error(fmt.Sprintf("Prefix matched multiple jobs\n\n%s", createStatusListOutput(jobs))) 117 return 1 118 } 119 jobID = jobs[0].ID 120 121 // Truncate the id unless full length is requested 122 length := shortId 123 if verbose { 124 length = fullId 125 } 126 127 if latest { 128 deploy, _, err := client.Jobs().LatestDeployment(jobID, nil) 129 if err != nil { 130 c.Ui.Error(fmt.Sprintf("Error retrieving deployments: %s", err)) 131 return 1 132 } 133 134 if json || len(tmpl) > 0 { 135 out, err := Format(json, tmpl, deploy) 136 if err != nil { 137 c.Ui.Error(err.Error()) 138 return 1 139 } 140 141 c.Ui.Output(out) 142 return 0 143 } 144 145 c.Ui.Output(c.Colorize().Color(formatDeployment(deploy, length))) 146 return 0 147 } 148 149 deploys, _, err := client.Jobs().Deployments(jobID, nil) 150 if err != nil { 151 c.Ui.Error(fmt.Sprintf("Error retrieving deployments: %s", err)) 152 return 1 153 } 154 155 if json || len(tmpl) > 0 { 156 out, err := Format(json, tmpl, deploys) 157 if err != nil { 158 c.Ui.Error(err.Error()) 159 return 1 160 } 161 162 c.Ui.Output(out) 163 return 0 164 } 165 166 c.Ui.Output(formatDeployments(deploys, length)) 167 return 0 168 }