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5347f82f9a
We encourage users to share the "terraform version" output as part of filing an issue, but previously it only printed the core Terraform version and this left provider maintainers with no information about which _provider_ version an issue relates to. Here we make a best effort to show versions for providers, though we will omit some or all of them if either "terraform init" hasn't been run (and so no providers were selected yet) or if there are other inconsistencies that would cause Terraform to object on startup and require a re-run of "terraform init".
124 lines
3.3 KiB
Go
124 lines
3.3 KiB
Go
package command
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import (
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"bytes"
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"fmt"
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"sort"
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)
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// VersionCommand is a Command implementation prints the version.
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type VersionCommand struct {
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Meta
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Revision string
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Version string
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VersionPrerelease string
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CheckFunc VersionCheckFunc
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}
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// VersionCheckFunc is the callback called by the Version command to
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// check if there is a new version of Terraform.
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type VersionCheckFunc func() (VersionCheckInfo, error)
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// VersionCheckInfo is the return value for the VersionCheckFunc callback
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// and tells the Version command information about the latest version
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// of Terraform.
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type VersionCheckInfo struct {
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Outdated bool
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Latest string
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Alerts []string
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}
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func (c *VersionCommand) Help() string {
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return ""
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}
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func (c *VersionCommand) Run(args []string) int {
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var versionString bytes.Buffer
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args, err := c.Meta.process(args, false)
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if err != nil {
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return 1
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}
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fmt.Fprintf(&versionString, "Terraform v%s", c.Version)
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if c.VersionPrerelease != "" {
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fmt.Fprintf(&versionString, "-%s", c.VersionPrerelease)
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if c.Revision != "" {
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fmt.Fprintf(&versionString, " (%s)", c.Revision)
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}
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}
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c.Ui.Output(versionString.String())
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// We'll also attempt to print out the selected plugin versions. We can
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// do this only if "terraform init" was already run and thus we've committed
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// to a specific set of plugins. If not, the plugins lock will be empty
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// and so we'll show _no_ providers.
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//
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// Generally-speaking this is a best-effort thing that will give us a good
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// result in the usual case where the user successfully ran "terraform init"
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// and then hit a problem running _another_ command.
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providerPlugins := c.providerPluginSet()
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pluginsLockFile := c.providerPluginsLock()
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pluginsLock := pluginsLockFile.Read()
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var pluginVersions []string
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for meta := range providerPlugins {
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name := meta.Name
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wantHash, wanted := pluginsLock[name]
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if !wanted {
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// Ignore providers that aren't used by the current config at all
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continue
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}
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gotHash, err := meta.SHA256()
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if err != nil {
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// if we can't read the file to hash it, ignore it.
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continue
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}
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if !bytes.Equal(gotHash, wantHash) {
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// Not the plugin we've locked, so ignore it.
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continue
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}
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// If we get here then we've found a selected plugin, so we'll print
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// out its details.
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if meta.Version == "0.0.0" {
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pluginVersions = append(pluginVersions, fmt.Sprintf("+ provider.%s (unversioned)", name))
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} else {
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pluginVersions = append(pluginVersions, fmt.Sprintf("+ provider.%s v%s", name, meta.Version))
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}
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}
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if len(pluginVersions) != 0 {
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sort.Strings(pluginVersions)
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for _, str := range pluginVersions {
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c.Ui.Output(str)
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}
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}
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// If we have a version check function, then let's check for
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// the latest version as well.
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if c.CheckFunc != nil {
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// Separate the prior output with a newline
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c.Ui.Output("")
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// Check the latest version
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info, err := c.CheckFunc()
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if err != nil {
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c.Ui.Error(fmt.Sprintf(
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"Error checking latest version: %s", err))
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}
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if info.Outdated {
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c.Ui.Output(fmt.Sprintf(
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"Your version of Terraform is out of date! The latest version\n"+
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"is %s. You can update by downloading from www.terraform.io/downloads.html",
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info.Latest))
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}
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}
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return 0
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}
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func (c *VersionCommand) Synopsis() string {
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return "Prints the Terraform version"
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}
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