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check_masterha_repl.go
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check_masterha_repl.go
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package checkmasterha
import (
"strconv"
"strings"
"github.com/mackerelio/checkers"
)
type replChecker struct {
subcommand
SecondsBehindMaster int `long:"seconds_behind_master" description:"seconds_behind_master option for masterha_check_repl"`
}
func (c replChecker) Execute(args []string) error {
c.Executer = &c
checker := c.executeAll()
checker.Name = "MasterHA"
checker.Exit()
return nil
}
func (c replChecker) MakeCommandName() string {
return "masterha_check_repl"
}
func (c replChecker) MakeCommandArgs() []string {
args := make([]string, 0, c.ArgsLength())
if c.SecondsBehindMaster > 0 {
secondsBehindMaster := strconv.Itoa(c.SecondsBehindMaster)
args = append(args, "--seconds_behind_master", secondsBehindMaster)
}
return args
}
func (c replChecker) ArgsLength() int {
if c.SecondsBehindMaster > 0 {
return 4
}
return 2
}
func (c replChecker) Parse(out string) (checkers.Status, string) {
lines := extractNonEmptyLines(strings.Split(out, "\n"))
lastLine := lines[len(lines)-1]
if strings.Contains(lastLine, "MySQL Replication Health is OK.") {
return checkers.OK, lastLine
} else if strings.Contains(lastLine, "MySQL Replication Health is NOT OK!") {
return checkers.CRITICAL, lastLine
} else {
msg := extractErrorMsg(out)
return checkers.UNKNOWN, msg
}
}