github.com/blixtra/nomad@v0.7.2-0.20171221000451-da9a1d7bb050/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) Run(args []string) int { 72 var json, latest, verbose bool 73 var tmpl string 74 75 flags := c.Meta.FlagSet("job deployments", FlagSetClient) 76 flags.Usage = func() { c.Ui.Output(c.Help()) } 77 flags.BoolVar(&latest, "latest", false, "") 78 flags.BoolVar(&verbose, "verbose", false, "") 79 flags.BoolVar(&json, "json", false, "") 80 flags.StringVar(&tmpl, "t", "", "") 81 82 if err := flags.Parse(args); err != nil { 83 return 1 84 } 85 86 // Check that we got exactly one node 87 args = flags.Args() 88 if l := len(args); l != 1 { 89 c.Ui.Error(c.Help()) 90 return 1 91 } 92 93 // Get the HTTP client 94 client, err := c.Meta.Client() 95 if err != nil { 96 c.Ui.Error(fmt.Sprintf("Error initializing client: %s", err)) 97 return 1 98 } 99 100 jobID := args[0] 101 102 // Check if the job exists 103 jobs, _, err := client.Jobs().PrefixList(jobID) 104 if err != nil { 105 c.Ui.Error(fmt.Sprintf("Error listing jobs: %s", err)) 106 return 1 107 } 108 if len(jobs) == 0 { 109 c.Ui.Error(fmt.Sprintf("No job(s) with prefix or id %q found", jobID)) 110 return 1 111 } 112 if len(jobs) > 1 && strings.TrimSpace(jobID) != jobs[0].ID { 113 c.Ui.Error(fmt.Sprintf("Prefix matched multiple jobs\n\n%s", createStatusListOutput(jobs))) 114 return 1 115 } 116 jobID = jobs[0].ID 117 118 // Truncate the id unless full length is requested 119 length := shortId 120 if verbose { 121 length = fullId 122 } 123 124 if latest { 125 deploy, _, err := client.Jobs().LatestDeployment(jobID, nil) 126 if err != nil { 127 c.Ui.Error(fmt.Sprintf("Error retrieving deployments: %s", err)) 128 return 1 129 } 130 131 if json || len(tmpl) > 0 { 132 out, err := Format(json, tmpl, deploy) 133 if err != nil { 134 c.Ui.Error(err.Error()) 135 return 1 136 } 137 138 c.Ui.Output(out) 139 return 0 140 } 141 142 c.Ui.Output(c.Colorize().Color(formatDeployment(deploy, length))) 143 return 0 144 } 145 146 deploys, _, err := client.Jobs().Deployments(jobID, nil) 147 if err != nil { 148 c.Ui.Error(fmt.Sprintf("Error retrieving deployments: %s", err)) 149 return 1 150 } 151 152 if json || len(tmpl) > 0 { 153 out, err := Format(json, tmpl, deploys) 154 if err != nil { 155 c.Ui.Error(err.Error()) 156 return 1 157 } 158 159 c.Ui.Output(out) 160 return 0 161 } 162 163 c.Ui.Output(formatDeployments(deploys, length)) 164 return 0 165 }