Improve README; check-ldap
-check-ldap
-==========
+# check-ldap
+
+## Description
Check LDAP response time.
## Synopsis
+```
+check-ldap -b 'dc=jp' -w 5 -c 10
+```
-```shell
+## Installation
+
+First, build this program.
+
+```
+go get github.com/mackerelio/go-check-plugins
+cd $(go env GOPATH)/src/github.com/mackerelio/go-check-plugins/check-ldap
+go install
+```
+
+Or you can use this program by installing the official Mackerel package. See [Using the official check plugin pack for check monitoring - Mackerel Docs](https://mackerel.io/docs/entry/howto/mackerel-check-plugins).
+
+
+Next, you can execute this program :-)
+
+```
check-ldap -b 'dc=jp' -w 5 -c 10
```
+
+
+## Setting for mackerel-agent
+
+If there are no problems in the execution result, add s setting in mackerel-agent.conf .
+
+```
+[plugin.checks.check-ldap-sample]
+command = ["check-ldap", "-b", "dc=jp", "-w", "5", "-c", "10"]
+```
+
+## Usage
+### Options
+
+```
+ -w, --warning= Response time to result in warning status (seconds)
+ -c, --critical= Response time to result in critical status (seconds)
+ -H, --host= Hostname (default: localhost)
+ -p, --port= Port number (default: 389)
+ -b, --base= LDAP base
+ -a, --attr= LDAP attribute to search (default: (objectclass=*))
+ -D, --bind= LDAP bind DN
+ -P, --password= LDAP password
+```
+
+## For more information
+
+Please execute `check-ldap -h` and you can get command line options.
