140 lines
3 KiB
Go
140 lines
3 KiB
Go
package internal
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import (
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"errors"
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"fmt"
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"net/http"
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"net/url"
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"github.com/gophercloud/gophercloud"
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"github.com/gophercloud/gophercloud/openstack"
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)
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// Client VK client.
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type Client struct {
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baseURL *url.URL
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openstack *gophercloud.ProviderClient
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authOpts gophercloud.AuthOptions
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authenticated bool
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}
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// NewClient creates a Client.
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func NewClient(endpoint string, authOpts gophercloud.AuthOptions) (*Client, error) {
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err := validateAuthOptions(authOpts)
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if err != nil {
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return nil, err
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}
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openstackClient, err := openstack.NewClient(authOpts.IdentityEndpoint)
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if err != nil {
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return nil, fmt.Errorf("new client: %w", err)
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}
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baseURL, err := url.Parse(endpoint)
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if err != nil {
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return nil, fmt.Errorf("parse URL: %w", err)
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}
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return &Client{
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baseURL: baseURL,
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openstack: openstackClient,
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authOpts: authOpts,
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}, nil
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}
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func (c *Client) ListZones() ([]DNSZone, error) {
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var zones []DNSZone
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opts := &gophercloud.RequestOpts{JSONResponse: &zones}
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endpoint := c.baseURL.JoinPath("/")
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err := c.request(http.MethodGet, endpoint, opts)
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if err != nil {
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return nil, err
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}
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return zones, nil
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}
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func (c *Client) ListTXTRecords(zoneUUID string) ([]DNSTXTRecord, error) {
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var records []DNSTXTRecord
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opts := &gophercloud.RequestOpts{JSONResponse: &records}
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endpoint := c.baseURL.JoinPath(zoneUUID, "txt", "/")
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err := c.request(http.MethodGet, endpoint, opts)
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if err != nil {
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return nil, err
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}
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return records, nil
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}
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func (c *Client) CreateTXTRecord(zoneUUID string, record *DNSTXTRecord) error {
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opts := &gophercloud.RequestOpts{
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JSONBody: record,
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JSONResponse: record,
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}
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endpoint := c.baseURL.JoinPath(zoneUUID, "txt", "/")
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return c.request(http.MethodPost, endpoint, opts)
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}
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func (c *Client) DeleteTXTRecord(zoneUUID, recordUUID string) error {
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endpoint := c.baseURL.JoinPath(zoneUUID, "txt", recordUUID)
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return c.request(http.MethodDelete, endpoint, &gophercloud.RequestOpts{})
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}
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func (c *Client) request(method string, endpoint *url.URL, options *gophercloud.RequestOpts) error {
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if err := c.lazyAuth(); err != nil {
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return fmt.Errorf("auth: %w", err)
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}
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_, err := c.openstack.Request(method, endpoint.String(), options)
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if err != nil {
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return fmt.Errorf("request: %w", err)
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}
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return nil
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}
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func (c *Client) lazyAuth() error {
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if c.authenticated {
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return nil
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}
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err := openstack.Authenticate(c.openstack, c.authOpts)
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if err != nil {
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return err
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}
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c.authenticated = true
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return nil
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}
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func validateAuthOptions(opts gophercloud.AuthOptions) error {
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if opts.TenantID == "" {
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return errors.New("project id is missing in credentials information")
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}
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if opts.Username == "" {
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return errors.New("username is missing in credentials information")
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}
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if opts.Password == "" {
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return errors.New("password is missing in credentials information")
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}
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if opts.IdentityEndpoint == "" {
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return errors.New("identity endpoint is missing in config")
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}
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if opts.DomainName == "" {
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return errors.New("domain name is missing in config")
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}
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return nil
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}
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