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cover.html
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<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<style>
body {
background: black;
color: rgb(80, 80, 80);
}
body, pre, #legend span {
font-family: Menlo, monospace;
font-weight: bold;
}
#topbar {
background: black;
position: fixed;
top: 0; left: 0; right: 0;
height: 42px;
border-bottom: 1px solid rgb(80, 80, 80);
}
#content {
margin-top: 50px;
}
#nav, #legend {
float: left;
margin-left: 10px;
}
#legend {
margin-top: 12px;
}
#nav {
margin-top: 10px;
}
#legend span {
margin: 0 5px;
}
.cov0 { color: rgb(192, 0, 0) }
.cov1 { color: rgb(128, 128, 128) }
.cov2 { color: rgb(116, 140, 131) }
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.cov8 { color: rgb(44, 212, 149) }
.cov9 { color: rgb(32, 224, 152) }
.cov10 { color: rgb(20, 236, 155) }
</style>
</head>
<body>
<div id="topbar">
<div id="nav">
<select id="files">
<option value="file0">boink/handler/handler.go (88.9%)</option>
</select>
</div>
<div id="legend">
<span>not tracked</span>
<span class="cov0">not covered</span>
<span class="cov8">covered</span>
</div>
</div>
<div id="content">
<pre class="file" id="file0" style="display: none">package handler
import (
"strconv"
"github.com/Sirupsen/logrus"
appsv1 "k8s.io/api/apps/v1"
"k8s.io/client-go/kubernetes/typed/apps/v1"
)
const targetReplicasAnnotation string = "bal.io/target-replicas"
/*
HandleDeployment - Verifies if the deployment contains the "intraday-enabled"annotation,
it will scale the deployment to zero to stop
and scale to targetReplica to start.
*/
func HandleDeployment(deployment appsv1.Deployment, deploymentClient v1.DeploymentInterface, action string) <span class="cov8" title="1">{
if action == "stop" </span><span class="cov8" title="1">{
scaleToZero(deployment, deploymentClient)
}</span> else<span class="cov8" title="1"> {
scaleUp(deployment, deploymentClient)
}</span>
}
func scaleToZero(deployment appsv1.Deployment, deploymentClient v1.DeploymentInterface) <span class="cov8" title="1">{
if *deployment.Spec.Replicas > int32(0) </span><span class="cov8" title="1">{
logrus.Infof("Deployment (%s) has the annotation scaling to zero", deployment.ObjectMeta.Name)
replicas := deployment.Spec.Replicas
deployment.ObjectMeta.Annotations[targetReplicasAnnotation] = strconv.Itoa(int(*replicas))
deployment.Spec.Replicas = int32Ptr(0)
deploymentClient.Update(&deployment)
}</span> else<span class="cov8" title="1"> {
logrus.Infof("Deployment (%s) is already scaled to (0)", deployment.ObjectMeta.Name)
}</span>
}
func scaleUp(deployment appsv1.Deployment, deploymentClient v1.DeploymentInterface) error <span class="cov8" title="1">{
a := deployment.ObjectMeta.GetAnnotations()
var replicas = 1
var err error
if *deployment.Spec.Replicas == int32(0) </span><span class="cov8" title="1">{
if a[targetReplicasAnnotation] != "" </span><span class="cov8" title="1">{
logrus.Infof("Deployment (%s) will be scaled up to (%s)", deployment.ObjectMeta.Name, a[targetReplicasAnnotation])
replicas, err = strconv.Atoi(a[targetReplicasAnnotation])
if err != nil </span><span class="cov0" title="0">{
logrus.Error("Unable to convert replicas to number")
panic(err)</span>
}
}
<span class="cov8" title="1">deployment.Spec.Replicas = int32Ptr(int32(replicas))
_, err = deploymentClient.Update(&deployment)
if err != nil </span><span class="cov0" title="0">{
return err
}</span>
} else<span class="cov8" title="1"> {
logrus.Infof("Deployment (%s) is already scaled up to (%d)", deployment.ObjectMeta.Name, *deployment.Spec.Replicas)
}</span>
<span class="cov8" title="1">return nil</span>
}
func int32Ptr(i int32) *int32 <span class="cov8" title="1">{
return &i
}</span>
</pre>
</div>
</body>
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