/
segment_aws.go
88 lines (81 loc) · 1.91 KB
/
segment_aws.go
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package main
import (
"fmt"
"strings"
)
type aws struct {
props *properties
env environmentInfo
Profile string
Region string
}
const (
defaultUser = "default"
)
func (a *aws) init(props *properties, env environmentInfo) {
a.props = props
a.env = env
}
func (a *aws) enabled() bool {
getEnvFirstMatch := func(envs ...string) string {
for _, env := range envs {
value := a.env.getenv(env)
if value != "" {
return value
}
}
return ""
}
displayDefaultUser := a.props.getBool(DisplayDefault, true)
a.Profile = getEnvFirstMatch("AWS_VAULT", "AWS_PROFILE")
if !displayDefaultUser && a.Profile == defaultUser {
return false
}
a.Region = getEnvFirstMatch("AWS_DEFAULT_REGION", "AWS_REGION")
if a.Profile != "" && a.Region != "" {
return true
}
if a.Profile == "" && a.Region != "" {
a.Profile = defaultUser
return true
}
a.getConfigFileInfo()
if !displayDefaultUser && a.Profile == defaultUser {
return false
}
return a.Profile != ""
}
func (a *aws) getConfigFileInfo() {
configPath := a.env.getenv("AWS_CONFIG_FILE")
if configPath == "" {
configPath = fmt.Sprintf("%s/.aws/config", a.env.homeDir())
}
config := a.env.getFileContent(configPath)
configSection := "[default]"
if a.Profile != "" {
configSection = fmt.Sprintf("[profile %s]", a.Profile)
}
configLines := strings.Split(config, "\n")
var sectionActive bool
for _, line := range configLines {
if strings.HasPrefix(line, configSection) {
sectionActive = true
continue
}
if sectionActive && strings.HasPrefix(line, "region") {
a.Region = strings.TrimSpace(strings.Split(line, "=")[1])
break
}
}
if a.Profile == "" && a.Region != "" {
a.Profile = defaultUser
}
}
func (a *aws) string() string {
segmentTemplate := a.props.getString(SegmentTemplate, "{{.Profile}}{{if .Region}}@{{.Region}}{{end}}")
template := &textTemplate{
Template: segmentTemplate,
Context: a,
}
return template.render()
}