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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
// Author: arnej
// utilities to get and manipulate node states in a storage cluster
package clusterstate
import (
"strconv"
"strings"
"github.com/fatih/color"
"github.com/spf13/cobra"
"github.com/vespa-engine/vespa/client/go/internal/admin/trace"
"github.com/vespa-engine/vespa/client/go/internal/vespa"
)
const (
OnlyLocalNode int = -2
AllNodes int = -1
)
type Options struct {
Verbose int
Silent bool
ShowHidden showHiddenFlag
Force bool
NoColors bool
SafeMode bool
NoWait bool
Cluster string
ConfigServerHost string
ConfigServerPort int
ConfigRequestTimeout int
NodeType string
NodeIndex int
WantedState string
}
func (v *Options) String() string {
var buf strings.Builder
buf.WriteString("command-line options [")
if v.Verbose > 0 {
buf.WriteString(" verbosity=")
buf.WriteString(strconv.Itoa(v.Verbose))
}
if v.Silent {
buf.WriteString(" silent")
}
if v.ShowHidden.showHidden {
buf.WriteString(" show-hidden")
}
if v.Force {
buf.WriteString(color.HiYellowString(" force=true"))
}
if v.NoColors {
buf.WriteString(" no-colors")
}
if v.SafeMode {
buf.WriteString(" safe-mode")
}
if v.NoWait {
buf.WriteString(color.HiYellowString(" no-wait=true"))
}
if v.Cluster != "" {
buf.WriteString(" cluster=")
buf.WriteString(v.Cluster)
}
if v.ConfigServerHost != "" {
buf.WriteString(" config-server=")
buf.WriteString(v.ConfigServerHost)
}
if v.ConfigServerPort != 0 {
buf.WriteString(" config-server-port=")
buf.WriteString(strconv.Itoa(v.ConfigServerPort))
}
if v.ConfigRequestTimeout != 90 {
buf.WriteString(" config-request-timeout=")
buf.WriteString(strconv.Itoa(v.ConfigRequestTimeout))
}
if v.NodeType != "" {
buf.WriteString(" node-type=")
buf.WriteString(v.NodeType)
}
if v.NodeIndex >= 0 {
buf.WriteString(" node-index=")
buf.WriteString(strconv.Itoa(int(v.NodeIndex)))
}
if v.WantedState != "" {
buf.WriteString(" WantedState=")
buf.WriteString(v.WantedState)
}
buf.WriteString(" ]")
return buf.String()
}
type serviceSpec struct {
cluster string
serviceType string
index int
host string
}
func (o *Options) wantService(s serviceSpec) bool {
if o.Cluster != "" && o.Cluster != s.cluster {
return false
}
if o.NodeType == "" {
if s.serviceType != "storage" && s.serviceType != "distributor" {
return false
}
} else if o.NodeType != s.serviceType {
return false
}
switch o.NodeIndex {
case OnlyLocalNode:
myName, _ := vespa.FindOurHostname()
return s.host == "localhost" || s.host == myName
case AllNodes:
return true
case s.index:
return true
default:
return false
}
}
func addCommonOptions(cmd *cobra.Command, curOptions *Options) {
cmd.Flags().BoolVar(&curOptions.NoColors, "nocolors", false, "Do not use ansi colors in print.")
cmd.Flags().BoolVarP(&curOptions.Silent, "silent", "s", false, "Create less verbose output.")
cmd.Flags().CountVarP(&curOptions.Verbose, "verbose", "v", "Create more verbose output.")
cmd.Flags().IntVar(&curOptions.ConfigRequestTimeout, "config-request-timeout", 90, "Timeout of config request")
cmd.Flags().IntVar(&curOptions.ConfigServerPort, "config-server-port", 0, "Port to connect to config server on")
cmd.Flags().StringVar(&curOptions.ConfigServerHost, "config-server", "", "Host name of config server to query")
cmd.Flags().StringVarP(&curOptions.Cluster, "cluster", "c", "",
"Cluster name. If unspecified, and vespa is installed on current node, information will be attempted auto-extracted")
cmd.Flags().MarkHidden("config-request-timeout")
cmd.Flags().MarkHidden("config-server-port")
cmd.Flags().MarkHidden("nocolors")
curOptions.ShowHidden.cmd = cmd
flag := cmd.Flags().VarPF(&curOptions.ShowHidden, "show-hidden", "", "Also show hidden undocumented debug options.")
flag.NoOptDefVal = "true"
cobra.OnInitialize(func() {
if curOptions.Silent {
trace.Silent()
} else {
trace.AdjustVerbosity(curOptions.Verbose)
}
})
}
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