pulumi/pkg/engine/env_list.go
Matt Ellis 5ae02ad581 Remove use of ambient stdout/stderr streams
Instead of talking directly to stdout or stderr via methods on fmt,
indirect through an Engine type (presently a global, but soon to
change) to allow control of where the streams actually end up.
2017-08-24 18:00:46 -07:00

63 lines
1.6 KiB
Go

package engine
import (
"fmt"
"io/ioutil"
"os"
"path/filepath"
"strconv"
"github.com/pkg/errors"
"github.com/pulumi/pulumi-fabric/pkg/encoding"
"github.com/pulumi/pulumi-fabric/pkg/tokens"
"github.com/pulumi/pulumi-fabric/pkg/workspace"
)
func ListEnvs() error {
// Read the environment directory.
path := workspace.EnvPath("")
files, err := ioutil.ReadDir(path)
if err != nil && !os.IsNotExist(err) {
return errors.Errorf("could not read environments: %v", err)
}
fmt.Fprintf(E.Stdout, "%-20s %-48s %-12s\n", "NAME", "LAST DEPLOYMENT", "RESOURCE COUNT")
curr := getCurrentEnv()
for _, file := range files {
// Ignore directories.
if file.IsDir() {
continue
}
// Skip files without valid extensions (e.g., *.bak files).
envfn := file.Name()
ext := filepath.Ext(envfn)
if _, has := encoding.Marshalers[ext]; !has {
continue
}
// Read in this environment's information.
name := tokens.QName(envfn[:len(envfn)-len(ext)])
target, snapshot, checkpoint := readEnv(name)
if checkpoint == nil {
continue // failure reading the environment information.
}
// Now print out the name, last deployment time (if any), and resources (if any).
lastDeploy := "n/a"
resourceCount := "n/a"
if checkpoint.Latest != nil {
lastDeploy = checkpoint.Latest.Time.String()
}
if snapshot != nil {
resourceCount = strconv.Itoa(len(snapshot.Resources))
}
display := target.Name
if display == curr {
display += "*" // fancify the current environment.
}
fmt.Fprintf(E.Stdout, "%-20s %-48s %-12s\n", display, lastDeploy, resourceCount)
}
return nil
}