src: Add DMA localagent

Change-Id: Ibcee814fbc9a904448eeb368a1a26bbb69cf54aa
Signed-off-by: Toshiaki Takahashi <takahashi.tsc@ncos.nec.co.jp>

1 files changed, 107 insertions, 0 deletions

diff --git a/src/dma/cmd/threshold/main.go b/src/dma/cmd/threshold/main.go
new file mode 100644
index 00000000..b98328d1
--- /dev/null
+++ b/src/dma/cmd/threshold/main.go
@@ -0,0 +1,107 @@
+/*
+ * Copyright 2018 NEC Corporation
+ *
+ *   Licensed under the Apache License, Version 2.0 (the "License");
+ *   you may not use this file except in compliance with the License.
+ *   You may obtain a copy of the License at
+ *
+ *       http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *   Unless required by applicable law or agreed to in writing, software
+ *   distributed under the License is distributed on an "AS IS" BASIS,
+ *   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *   See the License for the specific language governing permissions and
+ *   limitations under the License.
+ */
+
+package main
+
+import (
+	"context"
+	"fmt"
+	"github.com/BurntSushi/toml"
+	"log"
+	"sync"
+	"time"
+)
+
+// Config is ...
+type Config struct {
+	Common    CommonConfig
+	Threshold ThresholdConfig
+}
+
+// CommonConfig is ...
+type CommonConfig struct {
+	RedisHost     string `toml:"redis_host"`
+	RedisPort     string `toml:"redis_port"`
+	RedisPassword string `toml:"redis_password"`
+	RedisDB       int    `toml:"redis_db"`
+}
+
+// ThresholdConfig is ...
+type ThresholdConfig struct {
+	RedisHost     string `toml:"redis_host"`
+	RedisPort     string `toml:"redis_port"`
+	RedisPassword string `toml:"redis_password"`
+	RedisDB       int    `toml:"redis_db"`
+
+	Interval int `toml:"interval"`
+	Min      int `toml:"min"`
+
+	CollectdPlugin string `toml:"collectd_plugin"`
+	CollectdType   string `toml:"collectd_type"`
+}
+
+type rawData struct {
+	key      string
+	datalist []int
+}
+
+type evalData struct {
+	key   string
+	label int
+}
+
+func main() {
+	var config Config
+	_, err := toml.DecodeFile("/etc/barometer-dma/config.toml", &config)
+	if err != nil {
+		log.Fatalf("Read error of config: %s", err)
+	}
+
+	thresConfig := config.Threshold
+	log.Printf("Raw data redis config Addr:%s:%s DB:%d", thresConfig.RedisHost, thresConfig.RedisPort, thresConfig.RedisDB)
+	if thresConfig.RedisPassword == "" {
+		log.Printf("Raw data redis password is not set")
+	}
+	annoConfig := config.Common
+	log.Printf("Annotate redis config Addr:%s:%s DB:%d", annoConfig.RedisHost, annoConfig.RedisPort, annoConfig.RedisDB)
+	if annoConfig.RedisPassword == "" {
+		log.Printf("Annotate redis password is not set")
+	}
+
+	var waitgroup sync.WaitGroup
+	ctx := context.Background()
+
+	waitgroup.Add(1)
+	go func() {
+		defer waitgroup.Done()
+		ticker := time.NewTicker(time.Duration(config.Threshold.Interval) * time.Second)
+		for {
+			select {
+			case <-ctx.Done():
+				return
+			case <-ticker.C:
+				result1 := read(&config)
+				// analysis()
+				result2 := evaluate(&config, result1)
+				transmit(&config, result2)
+			}
+		}
+	}()
+
+	waitgroup.Wait()
+
+	fmt.Println("End")
+}