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add provider implementations of tencentcloud (#125)
* add provider implementations of tencentcloud * remove a dependency
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,134 @@ | ||
| // Package tencentcloud provides node discovery for TencentCloud. | ||
| package tencentcloud | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "io/ioutil" | ||
| "log" | ||
|
|
||
| "github.com/tencentcloud/tencentcloud-sdk-go/tencentcloud/common" | ||
| "github.com/tencentcloud/tencentcloud-sdk-go/tencentcloud/common/profile" | ||
| cvm "github.com/tencentcloud/tencentcloud-sdk-go/tencentcloud/cvm/v20170312" | ||
| ) | ||
|
|
||
| type Provider struct { | ||
| userAgent string | ||
| } | ||
|
|
||
| func (p *Provider) SetUserAgent(s string) { | ||
| p.userAgent = s | ||
| } | ||
|
|
||
| func (p *Provider) Help() string { | ||
| return `TencentCloud: | ||
| provider: "tencentcloud" | ||
| region: The TencentCloud region | ||
| tag_key: The tag key to filter on | ||
| tag_value: The tag value to filter on | ||
| address_type: "private_v4", "public_v4". (default: "private_v4") | ||
| access_key_id: The secret id of TencentCloud | ||
| access_key_secret: The secret key of TencentCloud | ||
| This required permission to 'cvm:DescribeInstances'. | ||
| It is recommended you make a dedicated key used only for auto-joining. | ||
| ` | ||
| } | ||
|
|
||
| func (p *Provider) Addrs(args map[string]string, l *log.Logger) ([]string, error) { | ||
| if args["provider"] != "tencentcloud" { | ||
| return nil, fmt.Errorf("discover-tencentcloud: invalid provider " + args["provider"]) | ||
| } | ||
|
|
||
| if l == nil { | ||
| l = log.New(ioutil.Discard, "", 0) | ||
| } | ||
|
|
||
| region := args["region"] | ||
| tagKey := args["tag_key"] | ||
| tagValue := args["tag_value"] | ||
| addressType := args["address_type"] | ||
| accessKeyID := args["access_key_id"] | ||
| accessKeySecret := args["access_key_secret"] | ||
|
|
||
| l.Printf("[DEBUG] discover-tencentcloud: Using region=%s, tag_key=%s, tag_value=%s", region, tagKey, tagValue) | ||
| if accessKeyID == "" { | ||
| l.Printf("[DEBUG] discover-tencentcloud: No static credentials provided") | ||
| } else { | ||
| l.Printf("[DEBUG] discover-tencentcloud: Static credentials provided") | ||
| } | ||
|
|
||
| if region == "" { | ||
| l.Printf("[DEBUG] discover-tencentcloud: Region not provided") | ||
| return nil, fmt.Errorf("discover-tencentcloud: region missing") | ||
| } | ||
| l.Printf("[DEBUG] discover-tencentcloud: region is %s", region) | ||
|
|
||
| if addressType == "" { | ||
| addressType = "private_v4" | ||
| } | ||
|
|
||
| if addressType != "private_v4" && addressType != "public_v4" { | ||
| l.Printf("[DEBUG] discover-tencentcloud: Address type %s invalid", addressType) | ||
| return nil, fmt.Errorf("discover-tencentcloud: invalid address_type " + addressType) | ||
| } | ||
| l.Printf("[DEBUG] discover-tencentcloud: address type is %s", addressType) | ||
|
|
||
| credential := common.NewCredential( | ||
| accessKeyID, | ||
| accessKeySecret, | ||
| ) | ||
|
|
||
| cpf := profile.NewClientProfile() | ||
| cpf.HttpProfile.ReqMethod = "POST" | ||
| cpf.HttpProfile.ReqTimeout = 300 | ||
| cpf.Language = "en-US" | ||
| cvmClient, _ := cvm.NewClient(credential, region, cpf) | ||
|
|
||
| l.Printf("[DEBUG] discover-tencentcloud: Filter instances with %s=%s", tagKey, tagValue) | ||
| request := cvm.NewDescribeInstancesRequest() | ||
| request.Filters = []*cvm.Filter{ | ||
| { | ||
| Name: stringToPointer("instance-state"), | ||
| Values: []*string{stringToPointer("RUNNING")}, | ||
| }, | ||
| { | ||
| Name: stringToPointer("tag:" + tagKey), | ||
| Values: []*string{stringToPointer(tagValue)}, | ||
| }, | ||
| } | ||
|
|
||
| response, err := cvmClient.DescribeInstances(request) | ||
| if err != nil { | ||
| l.Printf("[DEBUG] discover-tencentcloud: DescribeInstances failed, %s", err) | ||
| return nil, fmt.Errorf("discover-tencentcloud: DescribeInstances failed, %s", err) | ||
| } | ||
| l.Printf("[DEBUG] discover-tencentcloud: Found %d instances", len(response.Response.InstanceSet)) | ||
|
|
||
| var addrs []string | ||
| for _, v := range response.Response.InstanceSet { | ||
| switch addressType { | ||
| case "public_v4": | ||
| if len(v.PublicIpAddresses) == 0 { | ||
| l.Printf("[DEBUG] discover-tencentcloud: Instance %s has no public_v4", *v.InstanceId) | ||
| continue | ||
| } | ||
| l.Printf("[DEBUG] discover-tencentcloud: Instance %s has public_v4 %v", *v.InstanceId, *v.PublicIpAddresses[0]) | ||
| addrs = append(addrs, *v.PublicIpAddresses[0]) | ||
| case "private_v4": | ||
| if len(v.PrivateIpAddresses) == 0 { | ||
| l.Printf("[DEBUG] discover-tencentcloud: Instance %s has no private_v4", *v.InstanceId) | ||
| continue | ||
| } | ||
| l.Printf("[DEBUG] discover-tencentcloud: Instance %s has private_v4 %v", *v.InstanceId, *v.PrivateIpAddresses[0]) | ||
| addrs = append(addrs, *v.PrivateIpAddresses[0]) | ||
| } | ||
| } | ||
|
|
||
| l.Printf("[DEBUG] discover-tencentcloud: Found address: %v", addrs) | ||
| return addrs, nil | ||
| } | ||
|
|
||
| func stringToPointer(s string) *string { | ||
| return &s | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,37 @@ | ||
| package tencentcloud_test | ||
|
|
||
| import ( | ||
| "log" | ||
| "os" | ||
| "testing" | ||
|
|
||
| discover "github.com/hashicorp/go-discover" | ||
| "github.com/hashicorp/go-discover/provider/tencentcloud" | ||
| "github.com/stretchr/testify/require" | ||
| ) | ||
|
|
||
| var _ discover.Provider = (*tencentcloud.Provider)(nil) | ||
| var _ discover.ProviderWithUserAgent = (*tencentcloud.Provider)(nil) | ||
|
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||
| func TestAddrs(t *testing.T) { | ||
| args := discover.Config{ | ||
| "provider": "tencentcloud", | ||
| "access_key_id": os.Getenv("TENCENTCLOUD_SECRET_ID"), | ||
| "access_key_secret": os.Getenv("TENCENTCLOUD_SECRET_KEY"), | ||
| "region": os.Getenv("TENCENTCLOUD_REGION"), | ||
| "tag_key": "consul", | ||
| "tag_value": "test", | ||
| "address_type": "private_v4", | ||
| } | ||
|
|
||
| if args["access_key_id"] == "" || args["access_key_secret"] == "" || args["region"] == "" { | ||
| t.Skip("TencentCloud credentials or region info missing") | ||
| } | ||
|
|
||
| p := &tencentcloud.Provider{} | ||
| l := log.New(os.Stderr, "", log.LstdFlags) | ||
|
|
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| addrs, err := p.Addrs(args, l) | ||
| require.NoError(t, err) | ||
| require.Equal(t, len(addrs), 2) | ||
| } |
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