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get_pipeline.go
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/
get_pipeline.go
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package commands
import (
"encoding/json"
"fmt"
"os"
"gopkg.in/yaml.v2"
"github.com/concourse/atc"
"github.com/concourse/fly/commands/internal/displayhelpers"
"github.com/concourse/fly/rc"
"github.com/concourse/go-concourse/concourse"
"github.com/mattn/go-isatty"
)
type GetPipelineCommand struct {
Pipeline string `short:"p" long:"pipeline" required:"true" description:"Get configuration of this pipeline"`
JSON bool `short:"j" long:"json" description:"Print config as json instead of yaml"`
}
func (command *GetPipelineCommand) Execute(args []string) error {
asJSON := command.JSON
pipelineName := command.Pipeline
target, err := rc.LoadTarget(Fly.Target)
if err != nil {
return err
}
err = target.Validate()
if err != nil {
return err
}
config, rawConfig, _, _, err := target.Team().PipelineConfig(pipelineName)
if err != nil {
if _, ok := err.(concourse.PipelineConfigError); ok {
dumpRawConfig(rawConfig, asJSON)
command.showConfigWarning()
return err
} else {
return err
}
}
return dump(config, asJSON)
}
func dump(config atc.Config, asJSON bool) error {
var payload []byte
var err error
if asJSON {
payload, err = json.Marshal(config)
} else {
payload, err = yaml.Marshal(config)
}
if err != nil {
return err
}
_, err = fmt.Printf("%s", payload)
if err != nil {
return err
}
return nil
}
func dumpRawConfig(rawConfig atc.RawConfig, asJSON bool) error {
var payload []byte
if asJSON {
payload = []byte(rawConfig)
} else {
var config map[string]interface{}
err := json.Unmarshal([]byte(rawConfig), &config)
if err != nil {
return err
}
payload, err = yaml.Marshal(config)
}
_, err := fmt.Printf("%s", payload)
if err != nil {
return err
}
return nil
}
func (command *GetPipelineCommand) showConfigWarning() {
if isatty.IsTerminal(os.Stdout.Fd()) {
fmt.Fprintln(os.Stderr, "")
}
displayhelpers.PrintWarningHeader()
fmt.Fprintln(os.Stderr, "Existing config is invalid, it was returned as-is\n")
}