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client.go
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client.go
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package gsclient
import (
"context"
"errors"
"fmt"
"github.com/sirupsen/logrus"
"net/http"
"path"
"time"
)
const (
requestBase = "/requests/"
apiServerBase = "/objects/servers"
apiStorageBase = "/objects/storages"
apiNetworkBase = "/objects/networks"
apiIPBase = "/objects/ips"
apiSshkeyBase = "/objects/sshkeys"
apiTemplateBase = "/objects/templates"
apiLoadBalancerBase = "/objects/loadbalancers"
apiPaaSBase = "/objects/paas"
apiISOBase = "/objects/isoimages"
apiObjectStorageBase = "/objects/objectstorages"
apiFirewallBase = "/objects/firewalls"
apiLocationBase = "/objects/locations"
apiEventBase = "/objects/events"
apiLabelBase = "/objects/labels"
apiDeletedBase = "/objects/deleted"
)
//Client struct of a gridscale golang client
type Client struct {
cfg *Config
}
//NewClient creates new gridscale golang client
func NewClient(c *Config) *Client {
client := &Client{
cfg: c,
}
return client
}
//Logger returns logger
func (c *Client) Logger() logrus.Logger {
return c.cfg.logger
}
//HttpClient returns http client
func (c *Client) HttpClient() *http.Client {
return c.cfg.httpClient
}
//Synchronous returns if the client is sync or not
func (c *Client) Synchronous() bool {
return c.cfg.sync
}
//RequestCheckTimeout returns request check timeout
func (c *Client) RequestCheckTimeout() time.Duration {
return c.cfg.requestCheckTimeoutSecs
}
//DelayInterval returns request delay interval
func (c *Client) DelayInterval() time.Duration {
return c.cfg.delayInterval
}
//MaxNumberOfRetries returns max number of retries
func (c *Client) MaxNumberOfRetries() int {
return c.cfg.maxNumberOfRetries
}
//APIURL returns api URL
func (c *Client) APIURL() string {
return c.cfg.apiURL
}
//UserAgent returns user agent
func (c *Client) UserAgent() string {
return c.cfg.userAgent
}
//UserUUID returns user UUID
func (c *Client) UserUUID() string {
return c.cfg.userUUID
}
//APIToken returns api token
func (c *Client) APIToken() string {
return c.cfg.apiToken
}
//waitForRequestCompleted allows to wait for a request to complete
func (c *Client) waitForRequestCompleted(ctx context.Context, id string) error {
if !isValidUUID(id) {
return errors.New("'id' is invalid")
}
return retryWithTimeout(func() (bool, error) {
r := request{
uri: path.Join(requestBase, id),
method: "GET",
skipCheckingRequest: true,
}
var response RequestStatus
err := r.execute(ctx, *c, &response)
if err != nil {
return false, err
}
if response[id].Status == requestDoneStatus {
return false, nil
} else if response[id].Status == requestFailStatus {
errMessage := fmt.Sprintf("request %s failed with error %s", id, response[id].Message)
return false, errors.New(errMessage)
}
return true, nil
}, c.RequestCheckTimeout(), c.DelayInterval())
}