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bash.go
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bash.go
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/*
Copyright 2017 The Kubernetes Authors.
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 (
"fmt"
"os"
"os/exec"
"strconv"
"time"
)
type bashDeployer struct {
clusterIPRange string
}
var _ deployer = &bashDeployer{}
func newBash(clusterIPRange *string) *bashDeployer {
if *clusterIPRange == "" {
if numNodes, err := strconv.Atoi(os.Getenv("NUM_NODES")); err == nil {
*clusterIPRange = getClusterIPRange(numNodes)
}
}
b := &bashDeployer{*clusterIPRange}
return b
}
func (b *bashDeployer) Up() error {
// TODO(shashidharatd): Remove below logic of choosing the scripts to run from federation
// repo once the k8s deployment in federation jobs moves to kubernetes-anywhere
var script string
if useFederationRepo() {
script = "../federation/hack/e2e-internal/e2e-up.sh"
} else {
script = "./hack/e2e-internal/e2e-up.sh"
}
cmd := exec.Command(script)
cmd.Env = os.Environ()
cmd.Env = append(cmd.Env, fmt.Sprintf("CLUSTER_IP_RANGE=%s", b.clusterIPRange))
return control.FinishRunning(cmd)
}
func (b *bashDeployer) IsUp() error {
var cmd string
if useFederationRepo() {
cmd = "../federation/hack/e2e-internal/e2e-status.sh"
} else {
cmd = "./hack/e2e-internal/e2e-status.sh"
}
return control.FinishRunning(exec.Command(cmd))
}
func (b *bashDeployer) DumpClusterLogs(localPath, gcsPath string) error {
return defaultDumpClusterLogs(localPath, gcsPath)
}
func (b *bashDeployer) TestSetup() error {
return nil
}
func (b *bashDeployer) Down() error {
var cmd string
if useFederationRepo() {
cmd = "../federation/hack/e2e-internal/e2e-down.sh"
} else {
cmd = "./hack/e2e-internal/e2e-down.sh"
}
return control.FinishRunning(exec.Command(cmd))
}
func (b *bashDeployer) GetClusterCreated(gcpProject string) (time.Time, error) {
res, err := control.Output(exec.Command(
"gcloud",
"compute",
"instance-groups",
"list",
"--project="+gcpProject,
"--format=json(name,creationTimestamp)"))
if err != nil {
return time.Time{}, fmt.Errorf("list instance-group failed : %v", err)
}
created, err := getLatestClusterUpTime(string(res))
if err != nil {
return time.Time{}, fmt.Errorf("parse time failed : got gcloud res %s, err %v", string(res), err)
}
return created, nil
}
// Calculates the cluster IP range based on the no. of nodes in the cluster.
// Note: This mimics the function get-cluster-ip-range used by kube-up script.
func getClusterIPRange(numNodes int) string {
suggestedRange := "10.64.0.0/14"
if numNodes > 1000 {
suggestedRange = "10.64.0.0/13"
}
if numNodes > 2000 {
suggestedRange = "10.64.0.0/12"
}
if numNodes > 4000 {
suggestedRange = "10.64.0.0/11"
}
return suggestedRange
}