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package redis_test
import (
"fmt"
"github.com/go-redis/redis"
)
func Example_instrumentation() {
cl := redis.NewClient(&redis.Options{
Addr: ":6379",
})
cl.WrapProcess(func(old func(cmd redis.Cmder) error) func(cmd redis.Cmder) error {
return func(cmd redis.Cmder) error {
fmt.Printf("starting processing: <%s>\n", cmd)
err := old(cmd)
fmt.Printf("finished processing: <%s>\n", cmd)
return err
}
})
cl.Ping()
// Output: starting processing: <ping: >
// finished processing: <ping: PONG>
}
func Example_Pipeline_instrumentation() {
client := redis.NewClient(&redis.Options{
Addr: ":6379",
})
client.WrapProcessPipeline(func(old func([]redis.Cmder) error) func([]redis.Cmder) error {
return func(cmds []redis.Cmder) error {
fmt.Printf("pipeline starting processing: %v\n", cmds)
err := old(cmds)
fmt.Printf("pipeline finished processing: %v\n", cmds)
return err
}
})
client.Pipelined(func(pipe redis.Pipeliner) error {
pipe.Ping()
pipe.Ping()
return nil
})
// Output: pipeline starting processing: [ping: ping: ]
// pipeline finished processing: [ping: PONG ping: PONG]
}
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