-
Notifications
You must be signed in to change notification settings - Fork 9.5k
/
version.go
173 lines (150 loc) · 4.92 KB
/
version.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
package command
import (
"bytes"
"encoding/json"
"fmt"
"sort"
"strings"
"github.com/hashicorp/terraform/addrs"
"github.com/hashicorp/terraform/internal/depsfile"
)
// VersionCommand is a Command implementation prints the version.
type VersionCommand struct {
Meta
Revision string
Version string
VersionPrerelease string
CheckFunc VersionCheckFunc
}
type VersionOutput struct {
Version string `json:"terraform_version"`
Revision string `json:"terraform_revision"`
ProviderSelections map[string]string `json:"provider_selections"`
Outdated bool `json:"terraform_outdated"`
}
// VersionCheckFunc is the callback called by the Version command to
// check if there is a new version of Terraform.
type VersionCheckFunc func() (VersionCheckInfo, error)
// VersionCheckInfo is the return value for the VersionCheckFunc callback
// and tells the Version command information about the latest version
// of Terraform.
type VersionCheckInfo struct {
Outdated bool
Latest string
Alerts []string
}
func (c *VersionCommand) Help() string {
helpText := `
Usage: terraform version [options]
Displays the version of Terraform and all installed plugins
Options:
-json Output the version information as a JSON object.
`
return strings.TrimSpace(helpText)
}
func (c *VersionCommand) Run(args []string) int {
var outdated bool
var latest string
var versionString bytes.Buffer
args = c.Meta.process(args)
var jsonOutput bool
cmdFlags := c.Meta.defaultFlagSet("version")
cmdFlags.BoolVar(&jsonOutput, "json", false, "json")
// Enable but ignore the global version flags. In main.go, if any of the
// arguments are -v, -version, or --version, this command will be called
// with the rest of the arguments, so we need to be able to cope with
// those.
cmdFlags.Bool("v", true, "version")
cmdFlags.Bool("version", true, "version")
cmdFlags.Usage = func() { c.Ui.Error(c.Help()) }
if err := cmdFlags.Parse(args); err != nil {
c.Ui.Error(fmt.Sprintf("Error parsing command-line flags: %s\n", err.Error()))
return 1
}
fmt.Fprintf(&versionString, "Terraform v%s", c.Version)
if c.VersionPrerelease != "" {
fmt.Fprintf(&versionString, "-%s", c.VersionPrerelease)
if c.Revision != "" {
fmt.Fprintf(&versionString, " (%s)", c.Revision)
}
}
// We'll also attempt to print out the selected plugin versions. We do
// this based on the dependency lock file, and so the result might be
// empty or incomplete if the user hasn't successfully run "terraform init"
// since the most recent change to dependencies.
//
// Generally-speaking this is a best-effort thing that will give us a good
// result in the usual case where the user successfully ran "terraform init"
// and then hit a problem running _another_ command.
var providerVersions []string
var providerLocks map[addrs.Provider]*depsfile.ProviderLock
if locks, err := c.lockedDependencies(); err == nil {
providerLocks = locks.AllProviders()
for providerAddr, lock := range providerLocks {
version := lock.Version().String()
if version == "0.0.0" {
providerVersions = append(providerVersions, fmt.Sprintf("+ provider %s (unversioned)", providerAddr))
} else {
providerVersions = append(providerVersions, fmt.Sprintf("+ provider %s v%s", providerAddr, version))
}
}
}
// If we have a version check function, then let's check for
// the latest version as well.
if c.CheckFunc != nil {
// Check the latest version
info, err := c.CheckFunc()
if err != nil && !jsonOutput {
c.Ui.Error(fmt.Sprintf(
"\nError checking latest version: %s", err))
}
if info.Outdated {
outdated = true
latest = info.Latest
}
}
if jsonOutput {
selectionsOutput := make(map[string]string)
for providerAddr, lock := range providerLocks {
version := lock.Version().String()
selectionsOutput[providerAddr.String()] = version
}
var versionOutput string
if c.VersionPrerelease != "" {
versionOutput = c.Version + "-" + c.VersionPrerelease
} else {
versionOutput = c.Version
}
output := VersionOutput{
Version: versionOutput,
Revision: c.Revision,
ProviderSelections: selectionsOutput,
Outdated: outdated,
}
jsonOutput, err := json.MarshalIndent(output, "", " ")
if err != nil {
c.Ui.Error(fmt.Sprintf("\nError marshalling JSON: %s", err))
return 1
}
c.Ui.Output(string(jsonOutput))
return 0
} else {
c.Ui.Output(versionString.String())
if len(providerVersions) != 0 {
sort.Strings(providerVersions)
for _, str := range providerVersions {
c.Ui.Output(str)
}
}
if outdated {
c.Ui.Output(fmt.Sprintf(
"\nYour version of Terraform is out of date! The latest version\n"+
"is %s. You can update by downloading from https://www.terraform.io/downloads.html",
latest))
}
}
return 0
}
func (c *VersionCommand) Synopsis() string {
return "Show the current Terraform version"
}