/
whisk_probe.go
126 lines (105 loc) · 3.36 KB
/
whisk_probe.go
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// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements. See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership. The ASF licenses this file
// to you 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 (
_ "embed"
"fmt"
"strings"
"time"
"k8s.io/apimachinery/pkg/util/wait"
)
type WskProbe struct {
wsk func([]string, ...string) error
}
//go:embed embed/hello.js
var helloContent []byte
func readinessProbe(c *KubeClient) error {
fmt.Print("Reading Nuvolaris cluster config...")
err := waitForApihostSet(c, NuvolarisConfigmapName)
if err != nil {
return err
}
writeConfigToWskProps(c, NuvolarisConfigmapName)
wskProbe := WskProbe{wsk: Wsk}
//fmt.Println("\nNow, waiting for openwhisk pods to start...waiting is the hardest part 💚")
pods := []string{"controller", "couchdb", "redis"}
for _, pod := range pods {
fmt.Printf("\nWaiting for %s Running...", pod)
waitForPod(c, pod+"-0")
err = waitForPodRunning(c, pod+"-0")
if err != nil {
return err
}
}
runtimes := []string{"nodejs", "python", "go"}
for _, runtime := range runtimes {
fmt.Printf("\nWaiting for Runtime %s Ready...", runtime)
podName := "preload-runtime-" + runtime
debug("preloading " + podName)
err = waitForPodCompleted(c, podName)
if err != nil {
return err
}
}
fmt.Println("\n✓ Openwhisk running")
fmt.Println("Creating an action.\n(It can take a few minutes please be patient)")
path, err := WriteFileToNuvolarisConfigDir("hello.js", helloContent)
if err != nil {
return err
}
err = wskProbe.waitFor(TimeoutInSec, wskProbe.isActionCreated(path))
if err != nil {
return err
}
fmt.Println("✓ Openwhisk action successfully created")
fmt.Println("Invoking action...")
err = wskProbe.wsk([]string{"wsk", "action"}, "invoke", "hello", "-r")
if err != nil {
return err
}
fmt.Println("✓ Openwhisk action successfully invoked. Done.")
fmt.Println(" You are all set! Thanks for using Nuvolaris 😊")
return nil
}
func (probe *WskProbe) isOpenWhiskDeployed() wait.ConditionFunc {
return func() (bool, error) {
fmt.Printf(".")
err := probe.wsk([]string{"wsk", "namespace"}, "get")
if err != nil {
return false, nil
}
return true, nil
}
}
func (probe *WskProbe) isActionCreated(pathToHello string) wait.ConditionFunc {
return func() (bool, error) {
fmt.Printf(".")
err := probe.wsk([]string{"wsk", "action"}, "create", "hello", pathToHello)
if err != nil {
if strings.Contains(err.Error(), "resource already exists") {
fmt.Println("Openwhisk action already created...skipping")
return true, nil
}
return false, nil
}
return true, nil
}
}
func (probe *WskProbe) waitFor(timeoutSec int, function wait.ConditionFunc) error {
return wait.PollImmediate(time.Second, time.Duration(timeoutSec)*time.Second, function)
}