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adapter.go
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adapter.go
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package cf_cli_adapter
import (
"bytes"
"encoding/json"
"errors"
"fmt"
"os/exec"
"strings"
"time"
)
type Adapter struct {
CfCliPath string
}
func (a *Adapter) CreateOrg(name string) error {
fmt.Printf("running: %s create-org %s\n", a.CfCliPath, name)
cmd := exec.Command(a.CfCliPath, "create-org", name)
return runCommandWithTimeout(cmd)
}
func (a *Adapter) DeleteOrg(name string) error {
fmt.Printf("running: %s delete-org -f %s\n", a.CfCliPath, name)
cmd := exec.Command(a.CfCliPath, "delete-org", "-f", name)
return runCommandWithTimeout(cmd)
}
func (a *Adapter) CreateSpace(spaceName, orgName string) error {
fmt.Printf("running: %s create-space %s -o %s\n", a.CfCliPath, spaceName, orgName)
cmd := exec.Command(a.CfCliPath, "create-space", spaceName, "-o", orgName)
return runCommandWithTimeout(cmd)
}
func (a *Adapter) TargetOrg(name string) error {
fmt.Printf("running: %s target -o %s\n", a.CfCliPath, name)
cmd := exec.Command(a.CfCliPath, "target", "-o", name)
return runCommandWithTimeout(cmd)
}
func (a *Adapter) TargetSpace(name string) error {
fmt.Printf("running: %s target -s %s\n", a.CfCliPath, name)
cmd := exec.Command(a.CfCliPath, "target", "-s", name)
return runCommandWithTimeout(cmd)
}
func (a *Adapter) SetApiWithSsl(api string) error {
fmt.Printf("running: %s api %s\n", a.CfCliPath, api)
cmd := exec.Command(a.CfCliPath, "api", api)
return runCommandWithTimeout(cmd)
}
func (a *Adapter) SetApiWithoutSsl(api string) error {
fmt.Printf("running: %s api %s --skip-ssl-validation\n", a.CfCliPath, api)
cmd := exec.Command(a.CfCliPath, "api", api, "--skip-ssl-validation")
return runCommandWithTimeout(cmd)
}
func (a *Adapter) Auth(user, password string) error {
fmt.Printf("running: %s auth <user> <pass> \n", a.CfCliPath)
cmd := exec.Command(a.CfCliPath, "auth", user, password)
return runCommandWithTimeout(cmd)
}
func (a *Adapter) Push(name, directory, manifestFile string) error {
fmt.Printf("running: %s push %s -p %s -f %s\n", a.CfCliPath, name, directory, manifestFile)
bytes, err := exec.Command(a.CfCliPath,
"push", name,
"-p", directory,
"-f", manifestFile).CombinedOutput()
fmt.Printf("output: %s\n", string(bytes))
return err
}
func (a *Adapter) Delete(appName string) error {
fmt.Printf("running: %s delete -f %s\n", a.CfCliPath, appName)
cmd := exec.Command(a.CfCliPath, "delete", "-f", appName)
return runCommandWithTimeout(cmd)
}
func (a *Adapter) Scale(name string, instances int) error {
instancesStr := fmt.Sprintf("%d", instances)
fmt.Printf("running: %s scale %s -i %s\n", a.CfCliPath, name, instancesStr)
cmd := exec.Command(a.CfCliPath, "scale", name, "-i", instancesStr)
return runCommandWithTimeout(cmd)
}
func (a *Adapter) AppGuid(name string) (string, error) {
fmt.Printf("running: %s app %s --guid\n", a.CfCliPath, name)
bytes, err := exec.Command(a.CfCliPath, "app", name, "--guid").CombinedOutput()
return strings.TrimSpace(string(bytes)), err
}
type Apps struct {
TotalResults int `json:"total_results"`
}
func (a *Adapter) OrgGuid(name string) (string, error) {
fmt.Printf("running: %s org %s --guid\n", a.CfCliPath, name)
bytes, err := exec.Command(a.CfCliPath, "org", name, "--guid").CombinedOutput()
return strings.TrimSpace(string(bytes)), err
}
func (a *Adapter) Curl(method, path, inputFile string) ([]byte, error) {
if inputFile != "" {
fmt.Println("running:", a.CfCliPath, "curl", "-X", method, "-d", fmt.Sprintf("@%s", inputFile), path)
return exec.Command(a.CfCliPath, "curl", "-X", method, "-d", fmt.Sprintf("@%s", inputFile), path).CombinedOutput()
}
fmt.Printf("running: %s curl -X %s \"%s\"\n", a.CfCliPath, method, path)
return exec.Command(a.CfCliPath, "curl", "-X", method, path).CombinedOutput()
}
func (a *Adapter) AppCount(orgGuid string) (int, error) {
fmt.Printf("running: %s curl \"/v2/apps?q=organization_guid%%20IN%%20%s\"\n", a.CfCliPath, orgGuid)
bytes, err := exec.Command(a.CfCliPath, "curl", fmt.Sprintf("/v2/apps?q=organization_guid%%20IN%%20%s", orgGuid)).CombinedOutput()
apps := &Apps{}
if err := json.Unmarshal(bytes, apps); err != nil {
return -1, err
}
return apps.TotalResults, err
}
func (a *Adapter) CheckApp(guid string) ([]byte, error) {
fmt.Printf("running: %s curl \"/v2/apps/%s/summary\"\n", a.CfCliPath, guid)
bytes, err := exec.Command(a.CfCliPath, "curl", fmt.Sprintf("/v2/apps/%s/summary", guid)).CombinedOutput()
return bytes, err
}
func (a *Adapter) AddNetworkPolicy(sourceApp, destApp string, port int, protocol string) error {
portStr := fmt.Sprintf("%d-%d", port, port)
commandArgs := []string{"add-network-policy", sourceApp, "--destination-app", destApp, "--port", portStr, "--protocol", "tcp"}
fmt.Printf("running: cf %v \n", commandArgs)
cmd := exec.Command("cf", commandArgs...)
return runCommandWithTimeout(cmd)
}
func (a *Adapter) RemoveNetworkPolicy(sourceApp, destApp string, port int, protocol string) error {
portStr := fmt.Sprintf("%d-%d", port, port)
commandArgs := []string{"remove-network-policy", sourceApp, "--destination-app", destApp, "--port", portStr, "--protocol", "tcp"}
fmt.Printf("running: cf %v \n", commandArgs)
cmd := exec.Command("cf", commandArgs...)
return runCommandWithTimeout(cmd)
}
func (a *Adapter) CreateQuota(name, memory string, instanceMemory, routes, serviceInstances, appInstances, routePorts int) error {
instanceMemoryStr := fmt.Sprintf("%d", instanceMemory)
routesStr := fmt.Sprintf("%d", routes)
serviceInstancesStr := fmt.Sprintf("%d", serviceInstances)
appInstancesStr := fmt.Sprintf("%d", appInstances)
routePortsStr := fmt.Sprintf("%d", routePorts)
fmt.Printf("running cf create-quota %s -m %s -i %s -r %s -s %s -a %s --reserved-route-ports %s\n", name, memory, instanceMemoryStr, routesStr, serviceInstancesStr, appInstancesStr, routePortsStr)
cmd := exec.Command("cf", "create-quota", name, "-m", memory, "-i", instanceMemoryStr, "-r", routesStr, "-s", serviceInstancesStr, "-a", appInstancesStr, "--reserved-route-ports", routePortsStr)
return runCommandWithTimeout(cmd)
}
func (a *Adapter) SetQuota(org, quota string) error {
fmt.Printf("running cf set-quota %s %s\n", org, quota)
cmd := exec.Command("cf", "set-quota", org, quota)
return runCommandWithTimeout(cmd)
}
func (a *Adapter) CreateSecurityGroup(name, filepath string) error {
fmt.Printf("running cf create-security-group %s %s\n", name, filepath)
cmd := exec.Command("cf", "create-security-group", name, filepath)
return runCommandWithTimeout(cmd)
}
type ASG struct {
Resources []struct {
Entity struct {
Rules []struct {
Destination string `json:"destination"`
Ports string `json:"ports"`
Protocol string `json:"protocol"`
} `json:"rules"`
} `json:"entity"`
} `json:"resources"`
}
func (a *Adapter) SecurityGroup(name string) (string, error) {
fmt.Printf("running: %s curl \"/v2/security_groups?q=name%%3A%s\n", a.CfCliPath, name)
bytes, err := exec.Command(a.CfCliPath, "curl", fmt.Sprintf("/v2/security_groups?q=name%%3A%s", name)).CombinedOutput()
asg := &ASG{}
if err := json.Unmarshal(bytes, asg); err != nil {
return "", err
}
if len(asg.Resources) == 0 {
return "", errors.New("no asgs with the name " + name)
}
rules, err := json.Marshal(asg.Resources[0].Entity.Rules)
if err != nil {
return "", err
}
return string(rules), err
}
func (a *Adapter) BindSecurityGroup(name, org, space string) error {
fmt.Printf("running cf bind-security-group %s %s %s\n", name, org, space)
cmd := exec.Command("cf", "bind-security-group", name, org, space)
return runCommandWithTimeout(cmd)
}
func (a *Adapter) UnbindSecurityGroup(name, org, space string) error {
fmt.Printf("running cf unbind-security-group %s %s %s\n", name, org, space)
cmd := exec.Command("cf", "unbind-security-group", name, org, space)
return runCommandWithTimeout(cmd)
}
func (a *Adapter) DeleteSecurityGroup(name string) error {
fmt.Printf("running cf delete-security-group -f %s \n", name)
cmd := exec.Command("cf", "delete-security-group", "-f", name)
return runCommandWithTimeout(cmd)
}
func (a *Adapter) DeleteQuota(quota string) error {
fmt.Printf("running cf delete-quota %s -f\n", quota)
cmd := exec.Command("cf", "delete-quota", quota, "-f")
return runCommandWithTimeout(cmd)
}
type CmdErr struct {
Out string
Err string
Message string
}
func (e *CmdErr) Error() string {
return fmt.Sprintf("%s:\n\nOut:\n%s\n\nErr:%s\n", e.Message, e.Out, e.Err)
}
func runCommandWithTimeout(cmd *exec.Cmd) error {
outBuffer := &bytes.Buffer{}
errBuffer := &bytes.Buffer{}
wrapErr := func(msg string) error {
return &CmdErr{
Out: outBuffer.String(),
Err: errBuffer.String(),
Message: msg,
}
}
cmd.Stdout = outBuffer
cmd.Stderr = errBuffer
if err := cmd.Start(); err != nil {
return err
}
done := make(chan error, 1)
go func() {
done <- cmd.Wait()
}()
select {
case <-time.After(2 * time.Minute):
if err := cmd.Process.Kill(); err != nil {
return wrapErr(fmt.Sprintf("command timed out and could not be killed: %s", err))
}
return wrapErr("command timed out")
case err := <-done:
if err != nil {
return wrapErr(err.Error())
}
}
return nil
}