terraform/backend/local/cli.go

80 lines
2.3 KiB
Go

package local
import (
"log"
"github.com/hashicorp/terraform/backend"
"github.com/hashicorp/terraform/command/format"
)
// backend.CLI impl.
func (b *Local) CLIInit(opts *backend.CLIOpts) error {
b.CLI = opts.CLI
b.CLIColor = opts.CLIColor
b.Streams = opts.Streams
b.ContextOpts = opts.ContextOpts
b.OpInput = opts.Input
b.OpValidation = opts.Validation
b.RunningInAutomation = opts.RunningInAutomation
// configure any new cli options
if opts.StatePath != "" {
log.Printf("[TRACE] backend/local: CLI option -state is overriding state path to %s", opts.StatePath)
b.OverrideStatePath = opts.StatePath
}
if opts.StateOutPath != "" {
log.Printf("[TRACE] backend/local: CLI option -state-out is overriding state output path to %s", opts.StateOutPath)
b.OverrideStateOutPath = opts.StateOutPath
}
if opts.StateBackupPath != "" {
log.Printf("[TRACE] backend/local: CLI option -backup is overriding state backup path to %s", opts.StateBackupPath)
b.OverrideStateBackupPath = opts.StateBackupPath
}
return nil
}
// outputColumns returns the number of text character cells any non-error
// output should be wrapped to.
//
// This is the number of columns to use if you are calling b.CLI.Output or
// b.CLI.Info.
func (b *Local) outputColumns() int {
if b.Streams == nil {
// We can potentially get here in tests, if they don't populate the
// CLIOpts fully.
return 78 // placeholder just so we don't panic
}
return b.Streams.Stdout.Columns()
}
// errorColumns returns the number of text character cells any error
// output should be wrapped to.
//
// This is the number of columns to use if you are calling b.CLI.Error or
// b.CLI.Warn.
func (b *Local) errorColumns() int {
if b.Streams == nil {
// We can potentially get here in tests, if they don't populate the
// CLIOpts fully.
return 78 // placeholder just so we don't panic
}
return b.Streams.Stderr.Columns()
}
// outputHorizRule will call b.CLI.Output with enough horizontal line
// characters to fill an entire row of output.
//
// This function does nothing if the backend doesn't have a CLI attached.
//
// If UI color is enabled, the rule will get a dark grey coloring to try to
// visually de-emphasize it.
func (b *Local) outputHorizRule() {
if b.CLI == nil {
return
}
b.CLI.Output(format.HorizontalRule(b.CLIColor, b.outputColumns()))
}