Add visibility API in controller and CLI

- Modify get visibility to retrieve config and stats
- Add visibility REST API in controller to clear, set, and
get from redis
- Add example yaml to set visibility (service list by name,
metric suffixes/prefixes, and custom metrics) from CLI
- Modify example yaml to start visibility (collector) for
Istio 1.0 from CLI

Change-Id: I43304ff6d70bb4b817b345b9c383ce3621fb06c7
Signed-off-by: earrage <eddie.arrage@huawei.com>

1 files changed, 57 insertions, 0 deletions

diff --git a/clover/cloverctl/src/cloverctl/cmd/set_visibility.go b/clover/cloverctl/src/cloverctl/cmd/set_visibility.go
new file mode 100644
index 0000000..685b250
--- /dev/null
+++ b/clover/cloverctl/src/cloverctl/cmd/set_visibility.go
@@ -0,0 +1,57 @@
+// Copyright (c) Authors of Clover
+//
+// All rights reserved. This program and the accompanying materials
+// are made available under the terms of the Apache License, Version 2.0
+// which accompanies this distribution, and is available at
+// http://www.apache.org/licenses/LICENSE-2.0
+
+package cmd
+
+import (
+    "fmt"
+    "io/ioutil"
+    "gopkg.in/resty.v1"
+    "github.com/spf13/cobra"
+    "github.com/ghodss/yaml"
+)
+
+
+var setvisibilitystatsCmd = &cobra.Command{
+    Use:   "visibility",
+    Short: "Set visibility config for services and metrics to track",
+    Long: ``,
+    Run: func(cmd *cobra.Command, args []string) {
+        setCollector()
+    },
+}
+
+func init() {
+    setCmd.AddCommand(setvisibilitystatsCmd)
+    setvisibilitystatsCmd.Flags().StringVarP(&cloverFile, "file", "f", "", "Input yaml file to set visibility config")
+    setvisibilitystatsCmd.MarkFlagRequired("file")
+
+}
+
+func setCollector() {
+    url := controllerIP + "/visibility/set"
+
+    in, err := ioutil.ReadFile(cloverFile)
+    if err != nil {
+        fmt.Println("Please specify a valid yaml file")
+        return
+    }
+    out_json, err := yaml.YAMLToJSON(in)
+    if err != nil {
+        panic(err.Error())
+    }
+    resp, err := resty.R().
+    SetHeader("Content-Type", "application/json").
+    SetBody(out_json).
+    Post(url)
+    if err != nil {
+        panic(err.Error())
+    }
+    fmt.Printf("\n%v\n", resp)
+
+
+}