filter 和 template 对象下的字符串类型配置项支持模板解析，当配置项取值为 temp: 开头时，可以使用下面的模板变量：
ID string
Node string
Address string
Datacenter string
TaggedAddresses map[string]string
NodeMeta map[string]string
ServiceID string
ServiceName string
ServiceAddress string
ServiceTags []string
ServiceMeta map[string]string
ServicePort int
ServiceEnableTagOverride bool
CreateIndex uint64
ModifyIndex uint64
Tags []string
HTTP success_rule 支持变量：
StatusCode int
Status string
Body string
PING success_rule 支持变量：
// PacketsRecv is the number of packets received.
PacketsRecv int
// PacketsSent is the number of packets sent.
PacketsSent int
// PacketsRecvDuplicates is the number of duplicate responses there were to a sent packet.
PacketsRecvDuplicates int
// PacketLoss is the percentage of packets lost.
PacketLoss float64
// IPAddr is the address of the host being pinged.
IPAddr *net.IPAddr
// Addr is the string address of the host being pinged.
Addr string
// Rtts is all of the round-trip times sent via this pinger.
Rtts []time.Duration
// MinRtt is the minimum round-trip time sent via this pinger.
MinRtt time.Duration
// MaxRtt is the maximum round-trip time sent via this pinger.
MaxRtt time.Duration
// AvgRtt is the average round-trip time sent via this pinger.
AvgRtt time.Duration
// StdDevRtt is the standard deviation of the round-trip times sent via
// this pinger.
StdDevRtt time.Duration
push 方式示例
* * * * * root sh -c "ps -ef|grep 'org.apache.zookeeper.server.quorum.QuorumPeerMain' | grep -v grep" && curl -fsS --retry 3 -o /dev/null http://127.0.0.1:10101/api/push/53ebb81fcefb95cbdc4edca02b47ef28