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|
package client_test
import (
"context"
"crypto/tls"
"fmt"
"net/http"
"net/url"
"github.com/LINBIT/golinstor/client"
log "github.com/sirupsen/logrus"
)
func Example_simple() {
ctx := context.TODO()
u, err := url.Parse("http://controller:3370")
if err != nil {
log.Fatal(err)
}
c, err := client.NewClient(client.BaseURL(u), client.Log(log.StandardLogger()))
if err != nil {
log.Fatal(err)
}
rs, err := c.Resources.GetAll(ctx, "foo")
if err != nil {
log.Fatal(err)
}
for _, r := range rs {
fmt.Printf("Resource with name '%s' on node with name '%s'\n", r.Name, r.NodeName)
}
}
func Example_https() {
ctx := context.TODO()
u, err := url.Parse("https://controller:3371")
if err != nil {
log.Fatal(err)
}
// Be careful if that is really what you want!
trSkipVerify := &http.Transport{
TLSClientConfig: &tls.Config{
InsecureSkipVerify: true,
},
}
httpClient := &http.Client{
Transport: trSkipVerify,
}
c, err := client.NewClient(client.BaseURL(u), client.HTTPClient(httpClient))
if err != nil {
log.Fatal(err)
}
rs, err := c.Resources.GetAll(ctx, "foo")
if err != nil {
log.Fatal(err)
}
for _, r := range rs {
fmt.Printf("Resource with name '%s' on node with name '%s'\n", r.Name, r.NodeName)
}
}
func Example_httpsauth() {
ctx := context.TODO()
u, err := url.Parse("https://controller:3371")
if err != nil {
log.Fatal(err)
}
// Be careful if that is really what you want!
trSkipVerify := &http.Transport{
TLSClientConfig: &tls.Config{
InsecureSkipVerify: true,
},
}
httpClient := &http.Client{
Transport: trSkipVerify,
}
c, err := client.NewClient(client.BaseURL(u), client.HTTPClient(httpClient),
client.BasicAuth(&client.BasicAuthCfg{Username: "Username", Password: "Password"}))
if err != nil {
log.Fatal(err)
}
rs, err := c.Resources.GetAll(ctx, "foo")
if err != nil {
log.Fatal(err)
}
for _, r := range rs {
fmt.Printf("Resource with name '%s' on node with name '%s'\n", r.Name, r.NodeName)
}
}
func Example_error() {
ctx := context.TODO()
u, err := url.Parse("http://controller:3370")
if err != nil {
log.Fatal(err)
}
c, err := client.NewClient(client.BaseURL(u), client.Log(log.StandardLogger()))
if err != nil {
log.Fatal(err)
}
rs, err := c.Resources.GetAll(ctx, "foo")
if errs, ok := err.(client.ApiCallError); ok {
log.Error("A LINSTOR API error occurred:")
for i, e := range errs {
log.Errorf(" Message #%d:", i)
log.Errorf(" Code: %d", e.RetCode)
log.Errorf(" Message: %s", e.Message)
log.Errorf(" Cause: %s", e.Cause)
log.Errorf(" Details: %s", e.Details)
log.Errorf(" Correction: %s", e.Correction)
log.Errorf(" Error Reports: %v", e.ErrorReportIds)
}
return
}
if err != nil {
log.Fatalf("Some other error occurred: %s", err.Error())
}
for _, r := range rs {
fmt.Printf("Resource with name '%s' on node with name '%s'\n", r.Name, r.NodeName)
}
}
func Example_events() {
ctx := context.TODO()
u, err := url.Parse("http://controller:3370")
if err != nil {
log.Fatal(err)
}
c, err := client.NewClient(client.BaseURL(u))
if err != nil {
log.Fatal(err)
}
mayPromoteStream, err := c.Events.DRBDPromotion(ctx, "")
if err != nil {
log.Fatal(err)
}
defer mayPromoteStream.Close()
for ev := range mayPromoteStream.Events {
fmt.Printf("Resource '%s' on node with name '%s' may promote: %t\n", ev.ResourceName, ev.NodeName, ev.MayPromote)
}
}
func Example_multipleControllers() {
ctx := context.TODO()
controllers := []string{"alfa:3370", "bravo:3370", "charlie:3370"}
c, err := client.NewClient(client.Controllers(controllers))
if err != nil {
log.Fatal(err)
}
// This call will try each of the controllers and use the first one that responds
version, err := c.Controller.GetVersion(ctx)
if err != nil {
log.Fatal(err)
}
fmt.Printf("Controller Version: %v", version)
}
|
