Switch to official Vultr API library (#529)

* vultr: Switched to official API library (closes #528)

* vultr: Renamed vultr.VultrApi to vultr.Provider

* vendor: Updated govultr

vendor/github.com/vultr/govultr/firewall_group.go

@@ -0,0 +1,163 @@
+package govultr
+
+import (
+	"context"
+	"net/http"
+	"net/url"
+)
+
+// FirewallGroupService is the interface to interact with the firewall group endpoints on the Vultr API
+// Link: https://www.vultr.com/api/#firewall
+type FirewallGroupService interface {
+	Create(ctx context.Context, description string) (*FirewallGroup, error)
+	Delete(ctx context.Context, groupID string) error
+	List(ctx context.Context) ([]FirewallGroup, error)
+	Get(ctx context.Context, groupID string) (*FirewallGroup, error)
+	ChangeDescription(ctx context.Context, groupID, description string) error
+}
+
+// FireWallGroupServiceHandler handles interaction with the firewall group methods for the Vultr API
+type FireWallGroupServiceHandler struct {
+	client *Client
+}
+
+// FirewallGroup represents a Vultr firewall group
+type FirewallGroup struct {
+	FirewallGroupID string `json:"FIREWALLGROUPID"`
+	Description     string `json:"description"`
+	DateCreated     string `json:"date_created"`
+	DateModified    string `json:"date_modified"`
+	InstanceCount   int    `json:"instance_count"`
+	RuleCount       int    `json:"rule_count"`
+	MaxRuleCount    int    `json:"max_rule_count"`
+}
+
+// Create will create a new firewall group on your Vultr account
+func (f *FireWallGroupServiceHandler) Create(ctx context.Context, description string) (*FirewallGroup, error) {
+
+	uri := "/v1/firewall/group_create"
+
+	values := url.Values{
+		"description": {description},
+	}
+
+	req, err := f.client.NewRequest(ctx, http.MethodPost, uri, values)
+
+	if err != nil {
+		return nil, err
+	}
+
+	firewall := new(FirewallGroup)
+	err = f.client.DoWithContext(ctx, req, firewall)
+
+	if err != nil {
+		return nil, err
+	}
+
+	return firewall, nil
+}
+
+// Delete will delete a firewall group from your Vultr account
+func (f *FireWallGroupServiceHandler) Delete(ctx context.Context, groupID string) error {
+
+	uri := "/v1/firewall/group_delete"
+
+	values := url.Values{
+		"FIREWALLGROUPID": {groupID},
+	}
+
+	req, err := f.client.NewRequest(ctx, http.MethodPost, uri, values)
+
+	if err != nil {
+		return err
+	}
+
+	err = f.client.DoWithContext(ctx, req, nil)
+
+	if err != nil {
+		return err
+	}
+
+	return nil
+}
+
+// List will return a list of  all firewall groups on your Vultr account
+func (f *FireWallGroupServiceHandler) List(ctx context.Context) ([]FirewallGroup, error) {
+
+	uri := "/v1/firewall/group_list"
+
+	req, err := f.client.NewRequest(ctx, http.MethodGet, uri, nil)
+
+	if err != nil {
+		return nil, err
+	}
+
+	var firewallGroupMap map[string]FirewallGroup
+	err = f.client.DoWithContext(ctx, req, &firewallGroupMap)
+
+	if err != nil {
+		return nil, err
+	}
+
+	var firewallGroup []FirewallGroup
+	for _, f := range firewallGroupMap {
+		firewallGroup = append(firewallGroup, f)
+	}
+
+	return firewallGroup, nil
+}
+
+// Get will return a firewall group based on provided groupID from your Vultr account
+func (f *FireWallGroupServiceHandler) Get(ctx context.Context, groupID string) (*FirewallGroup, error) {
+
+	uri := "/v1/firewall/group_list"
+
+	req, err := f.client.NewRequest(ctx, http.MethodGet, uri, nil)
+
+	if err != nil {
+		return nil, err
+	}
+
+	q := req.URL.Query()
+	q.Add("FIREWALLGROUPID", groupID)
+	req.URL.RawQuery = q.Encode()
+
+	var firewallGroupMap map[string]FirewallGroup
+	err = f.client.DoWithContext(ctx, req, &firewallGroupMap)
+
+	if err != nil {
+		return nil, err
+	}
+
+	firewallGroup := new(FirewallGroup)
+	for _, f := range firewallGroupMap {
+		firewallGroup = &f
+	}
+
+	return firewallGroup, nil
+}
+
+// ChangeDescription will change the description of a firewall group
+func (f *FireWallGroupServiceHandler) ChangeDescription(ctx context.Context, groupID, description string) error {
+
+	uri := "/v1/firewall/group_set_description"
+
+	values := url.Values{
+		"FIREWALLGROUPID": {groupID},
+		"description":     {description},
+	}
+
+	req, err := f.client.NewRequest(ctx, http.MethodPost, uri, values)
+
+	if err != nil {
+		return err
+	}
+
+	err = f.client.DoWithContext(ctx, req, nil)
+
+	if err != nil {
+		return err
+	}
+
+	return nil
+}