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syslog adapter: add support for some template functions #356

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7a91b1e
syslog adapter: add useful template functions
nailgun Nov 22, 2017
88f502d
Merge branch 'master' into template-funcs
michaelshobbs Jan 16, 2018
99bbb4e
Merge branch 'master' into template-funcs
michaelshobbs May 1, 2020
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13 changes: 12 additions & 1 deletion adapters/syslog/syslog.go
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Original file line number Diff line number Diff line change
Expand Up @@ -14,13 +14,24 @@ import (
"syscall"
"text/template"
"time"
"strings"
"regexp"

"github.com/gliderlabs/logspout/cfg"
"github.com/gliderlabs/logspout/router"
)

const defaultRetryCount = 10

var funcs = template.FuncMap{
"split": strings.Split,
"join": strings.Join,
"reSubmatch": func(pat string, str string) []string {
re := regexp.MustCompile(pat)
return re.FindStringSubmatch(str)
},
}

var (
hostname string
retryCount uint
Expand Down Expand Up @@ -108,7 +119,7 @@ func NewSyslogAdapter(route *router.Route) (router.LogAdapter, error) {
default:
return nil, errors.New("unsupported syslog format: " + format)
}
tmpl, err := template.New("syslog").Parse(tmplStr)
tmpl, err := template.New("syslog").Funcs(funcs).Parse(tmplStr)
if err != nil {
return nil, err
}
Expand Down