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tcp_funcs.go
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tcp_funcs.go
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package targetscmd
import (
"fmt"
"strconv"
"time"
"github.com/hashicorp/boundary/api/targets"
"github.com/hashicorp/boundary/internal/cmd/base"
"github.com/hashicorp/go-bexpr"
)
func init() {
extraTcpActionsFlagsMapFunc = extraTcpActionsFlagsMapFuncImpl
extraTcpFlagsFunc = extraTcpFlagsFuncImpl
extraTcpFlagsHandlingFunc = extraTcpFlagsHandlingFuncImpl
}
func extraTcpActionsFlagsMapFuncImpl() map[string][]string {
return map[string][]string{
"create": {"default-port", "session-max-seconds", "session-connection-limit", "worker-filter"},
"update": {"default-port", "session-max-seconds", "session-connection-limit", "worker-filter"},
}
}
type extraTcpCmdVars struct {
flagDefaultPort string
flagSessionMaxSeconds string
flagSessionConnectionLimit string
flagWorkerFilter string
}
func (c *TcpCommand) extraTcpHelpFunc(helpMap map[string]func() string) string {
var helpStr string
switch c.Func {
case "create":
helpStr = base.WrapForHelpText([]string{
"Usage: boundary targets create tcp [options] [args]",
"",
" Create a tcp-type target. Example:",
"",
` $ boundary targets create tcp -name prodops -description "Tcp target for ProdOps"`,
"",
"",
})
case "update":
helpStr = base.WrapForHelpText([]string{
"Usage: boundary targets update tcp [options] [args]",
"",
" Update a tcp-type target given its ID. Example:",
"",
` $ boundary targets update tcp -id ttcp_1234567890 -name "devops" -description "Tcp target for DevOps"`,
"",
"",
})
}
return helpStr + c.Flags().Help()
}
func extraTcpFlagsFuncImpl(c *TcpCommand, set *base.FlagSets, f *base.FlagSet) {
fs := set.NewFlagSet("TCP Target Options")
for _, name := range flagsTcpMap[c.Func] {
switch name {
case "default-port":
fs.StringVar(&base.StringVar{
Name: "default-port",
Target: &c.flagDefaultPort,
Usage: "The default port to set on the target.",
})
case "session-max-seconds":
fs.StringVar(&base.StringVar{
Name: "session-max-seconds",
Target: &c.flagSessionMaxSeconds,
Usage: `The maximum lifetime of the session, including all connections. Can be specified as an integer number of seconds or a duration string.`,
})
case "session-connection-limit":
fs.StringVar(&base.StringVar{
Name: "session-connection-limit",
Target: &c.flagSessionConnectionLimit,
Usage: "The maximum number of connections allowed for a session. -1 means unlimited.",
})
case "worker-filter":
fs.StringVar(&base.StringVar{
Name: "worker-filter",
Target: &c.flagWorkerFilter,
Usage: "A boolean expression to filter which workers can handle sessions for this target.",
})
}
}
}
func extraTcpFlagsHandlingFuncImpl(c *TcpCommand, _ *base.FlagSets, opts *[]targets.Option) bool {
switch c.flagDefaultPort {
case "":
case "null":
*opts = append(*opts, targets.DefaultTcpTargetDefaultPort())
default:
port, err := strconv.ParseUint(c.flagDefaultPort, 10, 32)
if err != nil {
c.UI.Error(fmt.Sprintf("Error parsing %q: %s", c.flagDefaultPort, err))
return false
}
*opts = append(*opts, targets.WithTcpTargetDefaultPort(uint32(port)))
}
switch c.flagSessionMaxSeconds {
case "":
case "null":
*opts = append(*opts, targets.DefaultSessionMaxSeconds())
default:
var final uint32
dur, err := strconv.ParseUint(c.flagSessionMaxSeconds, 10, 32)
if err == nil {
final = uint32(dur)
} else {
dur, err := time.ParseDuration(c.flagSessionMaxSeconds)
if err != nil {
c.UI.Error(fmt.Sprintf("Error parsing %q: %s", c.flagSessionMaxSeconds, err))
return false
}
final = uint32(dur.Seconds())
}
*opts = append(*opts, targets.WithSessionMaxSeconds(final))
}
switch c.flagSessionConnectionLimit {
case "":
case "null":
*opts = append(*opts, targets.DefaultSessionConnectionLimit())
default:
limit, err := strconv.ParseInt(c.flagSessionConnectionLimit, 10, 32)
if err != nil {
c.UI.Error(fmt.Sprintf("Error parsing %q: %s", c.flagSessionConnectionLimit, err))
return false
}
*opts = append(*opts, targets.WithSessionConnectionLimit(int32(limit)))
}
switch c.flagWorkerFilter {
case "":
case "null":
*opts = append(*opts, targets.DefaultWorkerFilter())
default:
if _, err := bexpr.CreateEvaluator(c.flagWorkerFilter); err != nil {
c.UI.Error(fmt.Sprintf("Unable to successfully parse filter expression: %s", err))
return false
}
*opts = append(*opts, targets.WithWorkerFilter(c.flagWorkerFilter))
}
return true
}