forked from vmware-archive/kubeless
/
deploy.go
188 lines (163 loc) · 5.19 KB
/
deploy.go
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/*
Copyright (c) 2016-2017 Bitnami
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 (
"github.com/Sirupsen/logrus"
"github.com/kubeless/kubeless/pkg/spec"
"github.com/kubeless/kubeless/pkg/utils"
"github.com/spf13/cobra"
"k8s.io/apimachinery/pkg/api/resource"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/client-go/pkg/api"
"k8s.io/client-go/pkg/api/v1"
)
var deployCmd = &cobra.Command{
Use: "deploy <function_name> FLAG",
Short: "deploy a function to Kubeless",
Long: `deploy a function to Kubeless`,
Run: func(cmd *cobra.Command, args []string) {
if len(args) != 1 {
logrus.Fatal("Need exactly one argument - function name")
}
funcName := args[0]
triggerHTTP, err := cmd.Flags().GetBool("trigger-http")
if err != nil {
logrus.Fatal(err)
}
schedule, err := cmd.Flags().GetString("schedule")
if err != nil {
logrus.Fatal(err)
}
topic, err := cmd.Flags().GetString("trigger-topic")
if err != nil {
logrus.Fatal(err)
}
labels, err := cmd.Flags().GetStringSlice("label")
if err != nil {
logrus.Fatal(err)
}
funcLabels := parseLabel(labels)
envs, err := cmd.Flags().GetStringSlice("env")
if err != nil {
logrus.Fatal(err)
}
funcEnv := parseEnv(envs)
runtime, err := cmd.Flags().GetString("runtime")
if err != nil {
logrus.Fatal(err)
}
handler, err := cmd.Flags().GetString("handler")
if err != nil {
logrus.Fatal(err)
}
file, err := cmd.Flags().GetString("from-file")
if err != nil {
logrus.Fatal(err)
}
ns, err := cmd.Flags().GetString("namespace")
if err != nil {
logrus.Fatal(err)
}
deps, err := cmd.Flags().GetString("dependencies")
if err != nil {
logrus.Fatal(err)
}
mem, err := cmd.Flags().GetString("memory")
if err != nil {
logrus.Fatal(err)
}
resource := map[v1.ResourceName]resource.Quantity{}
if mem != "" {
funcMem, err := parseMemory(mem)
if err != nil {
logrus.Fatalf("Wrong format of the memory value: %v", err)
}
resource[v1.ResourceMemory] = funcMem
}
funcType := "PubSub"
switch {
case triggerHTTP:
funcType = "HTTP"
topic = ""
case schedule != "":
funcType = "Scheduled"
topic = ""
}
funcContent, err := readFile(file)
if err != nil {
logrus.Fatalf("Unable to read file %s: %v", file, err)
}
f := &spec.Function{
TypeMeta: metav1.TypeMeta{
Kind: "Function",
APIVersion: "k8s.io/v1",
},
Metadata: metav1.ObjectMeta{
Name: funcName,
Namespace: ns,
Labels: funcLabels,
},
Spec: spec.FunctionSpec{
Handler: handler,
Runtime: runtime,
Type: funcType,
Function: funcContent,
Topic: topic,
Schedule: schedule,
Template: v1.PodTemplateSpec{
Spec: v1.PodSpec{
Containers: []v1.Container{{}},
},
},
},
}
if len(funcEnv) != 0 {
f.Spec.Template.Spec.Containers[0].Env = funcEnv
}
if len(resource) != 0 {
f.Spec.Template.Spec.Containers[0].Resources = v1.ResourceRequirements{
Limits: resource,
Requests: resource,
}
}
// add dependencies file to func spec
if deps != "" {
funcDeps, err := readFile(deps)
if err != nil {
logrus.Fatalf("Unable to read file %s: %v", deps, err)
}
f.Spec.Deps = funcDeps
}
tprClient, err := utils.GetTPRClientOutOfCluster()
if err != nil {
logrus.Fatal(err)
}
err = utils.CreateK8sCustomResource(tprClient, f)
if err != nil {
logrus.Fatal(err)
}
},
}
func init() {
deployCmd.Flags().StringP("runtime", "", "", "Specify runtime")
deployCmd.Flags().StringP("handler", "", "", "Specify handler")
deployCmd.Flags().StringP("from-file", "", "", "Specify code file")
deployCmd.Flags().StringSliceP("label", "", []string{}, "Specify labels of the function. Both separator ':' and '=' are allowed. For example: --label foo1=bar1,foo2:bar2")
deployCmd.Flags().StringSliceP("env", "", []string{}, "Specify environment variable of the function. Both separator ':' and '=' are allowed. For example: --env foo1=bar1,foo2:bar2")
deployCmd.Flags().StringP("namespace", "", api.NamespaceDefault, "Specify namespace for the function")
deployCmd.Flags().StringP("dependencies", "", "", "Specify a file containing list of dependencies for the function")
deployCmd.Flags().StringP("trigger-topic", "", "kubeless", "Deploy a pubsub function to Kubeless")
deployCmd.Flags().StringP("schedule", "", "", "Specify schedule in cron format for scheduled function")
deployCmd.Flags().StringP("memory", "", "", "Request amount of memory, which is measured in bytes, for the function. It is expressed as a plain integer or a fixed-point interger with one of these suffies: E, P, T, G, M, K, Ei, Pi, Ti, Gi, Mi, Ki")
deployCmd.Flags().Bool("trigger-http", false, "Deploy a http-based function to Kubeless")
}