cdramey/alrm
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Added set support to config

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This commit is contained in:
Christopher Ramey 2020-08-16 04:19:06 -08:00
parent 60d83288df
commit 90325e9dd5
2 changed files with 37 additions and 8 deletions
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37
config.go
View File

@ -4,11 +4,13 @@ import (
"bufio"
"fmt"
"os"
"strconv"
"strings"
)
type AlrmConfig struct {
Groups []*AlrmGroup
Interval int
}
func (ac *AlrmConfig) NewGroup() *AlrmGroup {
@ -43,6 +45,7 @@ type AlrmHost struct {
const (
TK_NONE = iota
TK_SET
TK_MONITOR
TK_GROUP
TK_HOST
@ -52,6 +55,8 @@ func stateName(s int) string {
switch s {
case TK_NONE:
return "TK_NONE"
case TK_SET:
return "TK_SET"
case TK_MONITOR:
return "TK_MONTIOR"
case TK_GROUP:
@ -84,11 +89,34 @@ func ReadConfig(fn string) (*AlrmConfig, error) {
switch strings.ToLower(tk) {
case "monitor":
parser.SetState(TK_MONITOR)
case "set":
parser.SetState(TK_SET)
default:
return nil, fmt.Errorf("Invalid token in %s, line %d: \"%s\"",
return nil, fmt.Errorf("invalid token in %s, line %d: \"%s\"",
fn, parser.Line+1, tk)
}
case TK_SET:
key := strings.ToLower(tk)
if scan.Scan() {
value := scan.Text()
switch key {
case "interval":
config.Interval, err = strconv.Atoi(value)
if err != nil {
return nil, fmt.Errorf(
"invalid number for interval, line %d: \"%s\"",
parser.Line+1, value,
)
}
default:
return nil, fmt.Errorf("invalid key for set, line %d: \"%s\"",
parser.Line+1, tk,
)
}
}
parser.PrevState()
case TK_MONITOR:
switch strings.ToLower(tk) {
case "host":
@ -135,7 +163,6 @@ func ReadConfig(fn string) (*AlrmConfig, error) {
if scan.Scan() {
host.Address = scan.Text()
}
continue
default:
parser.PrevState()
@ -143,7 +170,7 @@ func ReadConfig(fn string) (*AlrmConfig, error) {
}
default:
return nil, fmt.Errorf("Unknown parser state: %d", parser.GetState())
return nil, fmt.Errorf("unknown parser state: %d", parser.GetState())
}
}
if err := scan.Err(); err != nil {
@ -161,7 +188,7 @@ func (pr *Parser) GetState() int {
if len(pr.states) < 1 {
return TK_NONE
}
return pr.states[len(pr.states) - 1]
return pr.states[len(pr.states)-1]
}
func (pr *Parser) SetState(state int) {
@ -171,7 +198,7 @@ func (pr *Parser) SetState(state int) {
func (pr *Parser) PrevState() int {
if len(pr.states) > 0 {
pr.states = pr.states[:len(pr.states) - 1]
pr.states = pr.states[:len(pr.states)-1]
}
return pr.GetState()
}

4
small.config
View File

@ -1,3 +1,5 @@
set interval 30
# Address is optional, derived from host
monitor host monkey.com
@ -7,4 +9,4 @@ monitor group webservers
# Monitor host one
host one.com address 10.12.121.1
# Monitor host two
host two.com address
host two.com