820 lines
17 KiB
Go
Executable File
820 lines
17 KiB
Go
Executable File
/*
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Package alils implements the SDK(v0.5.0) of Simple Log Service(abbr. SLS).
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For more description about SLS, please read this article:
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http://gitlab.alibaba-inc.com/sls/doc.
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*/
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package alils
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import (
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"encoding/json"
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"fmt"
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"io/ioutil"
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"net/http"
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"net/http/httputil"
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)
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// Error message in SLS HTTP response.
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type errorMessage struct {
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Code string `json:"errorCode"`
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Message string `json:"errorMessage"`
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}
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// LogProject Define the Ali Project detail
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type LogProject struct {
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Name string // Project name
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Endpoint string // IP or hostname of SLS endpoint
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AccessKeyID string
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AccessKeySecret string
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}
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// NewLogProject creates a new SLS project.
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func NewLogProject(name, endpoint, AccessKeyID, accessKeySecret string) (p *LogProject, err error) {
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p = &LogProject{
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Name: name,
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Endpoint: endpoint,
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AccessKeyID: AccessKeyID,
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AccessKeySecret: accessKeySecret,
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}
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return p, nil
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}
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// ListLogStore returns all logstore names of project p.
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func (p *LogProject) ListLogStore() (storeNames []string, err error) {
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h := map[string]string{
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"x-sls-bodyrawsize": "0",
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}
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uri := fmt.Sprintf("/logstores")
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r, err := request(p, "GET", uri, h, nil)
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if err != nil {
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return
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}
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buf, err := ioutil.ReadAll(r.Body)
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if err != nil {
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return
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}
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if r.StatusCode != http.StatusOK {
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errMsg := &errorMessage{}
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err = json.Unmarshal(buf, errMsg)
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if err != nil {
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err = fmt.Errorf("failed to list logstore")
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dump, _ := httputil.DumpResponse(r, true)
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fmt.Printf("%s\n", dump)
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return
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}
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err = fmt.Errorf("%v:%v", errMsg.Code, errMsg.Message)
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return
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}
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type Body struct {
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Count int
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LogStores []string
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}
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body := &Body{}
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err = json.Unmarshal(buf, body)
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if err != nil {
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return
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}
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storeNames = body.LogStores
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return
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}
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// GetLogStore returns logstore according by logstore name.
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func (p *LogProject) GetLogStore(name string) (s *LogStore, err error) {
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h := map[string]string{
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"x-sls-bodyrawsize": "0",
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}
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r, err := request(p, "GET", "/logstores/"+name, h, nil)
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if err != nil {
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return
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}
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buf, err := ioutil.ReadAll(r.Body)
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if err != nil {
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return
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}
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if r.StatusCode != http.StatusOK {
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errMsg := &errorMessage{}
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err = json.Unmarshal(buf, errMsg)
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if err != nil {
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err = fmt.Errorf("failed to get logstore")
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dump, _ := httputil.DumpResponse(r, true)
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fmt.Printf("%s\n", dump)
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return
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}
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err = fmt.Errorf("%v:%v", errMsg.Code, errMsg.Message)
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return
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}
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s = &LogStore{}
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err = json.Unmarshal(buf, s)
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if err != nil {
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return
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}
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s.project = p
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return
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}
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// CreateLogStore creates a new logstore in SLS,
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// where name is logstore name,
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// and ttl is time-to-live(in day) of logs,
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// and shardCnt is the number of shards.
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func (p *LogProject) CreateLogStore(name string, ttl, shardCnt int) (err error) {
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type Body struct {
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Name string `json:"logstoreName"`
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TTL int `json:"ttl"`
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ShardCount int `json:"shardCount"`
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}
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store := &Body{
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Name: name,
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TTL: ttl,
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ShardCount: shardCnt,
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}
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body, err := json.Marshal(store)
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if err != nil {
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return
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}
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h := map[string]string{
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"x-sls-bodyrawsize": fmt.Sprintf("%v", len(body)),
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"Content-Type": "application/json",
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"Accept-Encoding": "deflate", // TODO: support lz4
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}
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r, err := request(p, "POST", "/logstores", h, body)
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if err != nil {
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return
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}
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body, err = ioutil.ReadAll(r.Body)
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if err != nil {
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return
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}
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if r.StatusCode != http.StatusOK {
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errMsg := &errorMessage{}
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err = json.Unmarshal(body, errMsg)
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if err != nil {
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err = fmt.Errorf("failed to create logstore")
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dump, _ := httputil.DumpResponse(r, true)
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fmt.Printf("%s\n", dump)
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return
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}
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err = fmt.Errorf("%v:%v", errMsg.Code, errMsg.Message)
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return
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}
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return
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}
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// DeleteLogStore deletes a logstore according by logstore name.
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func (p *LogProject) DeleteLogStore(name string) (err error) {
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h := map[string]string{
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"x-sls-bodyrawsize": "0",
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}
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r, err := request(p, "DELETE", "/logstores/"+name, h, nil)
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if err != nil {
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return
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}
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body, err := ioutil.ReadAll(r.Body)
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if err != nil {
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return
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}
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if r.StatusCode != http.StatusOK {
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errMsg := &errorMessage{}
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err = json.Unmarshal(body, errMsg)
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if err != nil {
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err = fmt.Errorf("failed to delete logstore")
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dump, _ := httputil.DumpResponse(r, true)
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fmt.Printf("%s\n", dump)
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return
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}
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err = fmt.Errorf("%v:%v", errMsg.Code, errMsg.Message)
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return
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}
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return
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}
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// UpdateLogStore updates a logstore according by logstore name,
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// obviously we can't modify the logstore name itself.
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func (p *LogProject) UpdateLogStore(name string, ttl, shardCnt int) (err error) {
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type Body struct {
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Name string `json:"logstoreName"`
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TTL int `json:"ttl"`
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ShardCount int `json:"shardCount"`
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}
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store := &Body{
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Name: name,
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TTL: ttl,
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ShardCount: shardCnt,
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}
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body, err := json.Marshal(store)
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if err != nil {
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return
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}
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h := map[string]string{
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"x-sls-bodyrawsize": fmt.Sprintf("%v", len(body)),
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"Content-Type": "application/json",
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"Accept-Encoding": "deflate", // TODO: support lz4
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}
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r, err := request(p, "PUT", "/logstores", h, body)
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if err != nil {
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return
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}
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body, err = ioutil.ReadAll(r.Body)
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if err != nil {
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return
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}
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if r.StatusCode != http.StatusOK {
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errMsg := &errorMessage{}
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err = json.Unmarshal(body, errMsg)
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if err != nil {
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err = fmt.Errorf("failed to update logstore")
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dump, _ := httputil.DumpResponse(r, true)
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fmt.Printf("%s\n", dump)
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return
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}
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err = fmt.Errorf("%v:%v", errMsg.Code, errMsg.Message)
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return
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}
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return
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}
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// ListMachineGroup returns machine group name list and the total number of machine groups.
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// The offset starts from 0 and the size is the max number of machine groups could be returned.
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func (p *LogProject) ListMachineGroup(offset, size int) (m []string, total int, err error) {
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h := map[string]string{
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"x-sls-bodyrawsize": "0",
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}
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if size <= 0 {
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size = 500
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}
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uri := fmt.Sprintf("/machinegroups?offset=%v&size=%v", offset, size)
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r, err := request(p, "GET", uri, h, nil)
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if err != nil {
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return
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}
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buf, err := ioutil.ReadAll(r.Body)
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if err != nil {
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return
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}
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if r.StatusCode != http.StatusOK {
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errMsg := &errorMessage{}
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err = json.Unmarshal(buf, errMsg)
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if err != nil {
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err = fmt.Errorf("failed to list machine group")
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dump, _ := httputil.DumpResponse(r, true)
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fmt.Printf("%s\n", dump)
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return
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}
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err = fmt.Errorf("%v:%v", errMsg.Code, errMsg.Message)
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return
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}
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type Body struct {
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MachineGroups []string
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Count int
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Total int
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}
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body := &Body{}
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err = json.Unmarshal(buf, body)
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if err != nil {
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return
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}
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m = body.MachineGroups
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total = body.Total
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return
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}
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// GetMachineGroup retruns machine group according by machine group name.
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func (p *LogProject) GetMachineGroup(name string) (m *MachineGroup, err error) {
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h := map[string]string{
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"x-sls-bodyrawsize": "0",
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}
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r, err := request(p, "GET", "/machinegroups/"+name, h, nil)
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if err != nil {
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return
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}
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buf, err := ioutil.ReadAll(r.Body)
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if err != nil {
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return
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}
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if r.StatusCode != http.StatusOK {
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errMsg := &errorMessage{}
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err = json.Unmarshal(buf, errMsg)
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if err != nil {
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err = fmt.Errorf("failed to get machine group:%v", name)
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dump, _ := httputil.DumpResponse(r, true)
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fmt.Printf("%s\n", dump)
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return
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}
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err = fmt.Errorf("%v:%v", errMsg.Code, errMsg.Message)
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return
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}
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m = &MachineGroup{}
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err = json.Unmarshal(buf, m)
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if err != nil {
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return
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}
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m.project = p
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return
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}
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// CreateMachineGroup creates a new machine group in SLS.
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func (p *LogProject) CreateMachineGroup(m *MachineGroup) (err error) {
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body, err := json.Marshal(m)
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if err != nil {
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return
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}
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h := map[string]string{
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"x-sls-bodyrawsize": fmt.Sprintf("%v", len(body)),
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"Content-Type": "application/json",
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"Accept-Encoding": "deflate", // TODO: support lz4
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}
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r, err := request(p, "POST", "/machinegroups", h, body)
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if err != nil {
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return
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}
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body, err = ioutil.ReadAll(r.Body)
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if err != nil {
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return
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}
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if r.StatusCode != http.StatusOK {
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errMsg := &errorMessage{}
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err = json.Unmarshal(body, errMsg)
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if err != nil {
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err = fmt.Errorf("failed to create machine group")
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dump, _ := httputil.DumpResponse(r, true)
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fmt.Printf("%s\n", dump)
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return
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}
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err = fmt.Errorf("%v:%v", errMsg.Code, errMsg.Message)
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return
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}
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return
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}
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// UpdateMachineGroup updates a machine group.
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func (p *LogProject) UpdateMachineGroup(m *MachineGroup) (err error) {
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body, err := json.Marshal(m)
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if err != nil {
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return
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}
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h := map[string]string{
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"x-sls-bodyrawsize": fmt.Sprintf("%v", len(body)),
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"Content-Type": "application/json",
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"Accept-Encoding": "deflate", // TODO: support lz4
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}
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r, err := request(p, "PUT", "/machinegroups/"+m.Name, h, body)
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if err != nil {
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return
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}
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body, err = ioutil.ReadAll(r.Body)
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if err != nil {
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return
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}
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if r.StatusCode != http.StatusOK {
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errMsg := &errorMessage{}
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err = json.Unmarshal(body, errMsg)
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if err != nil {
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err = fmt.Errorf("failed to update machine group")
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dump, _ := httputil.DumpResponse(r, true)
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fmt.Printf("%s\n", dump)
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return
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}
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err = fmt.Errorf("%v:%v", errMsg.Code, errMsg.Message)
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return
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}
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return
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}
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// DeleteMachineGroup deletes machine group according machine group name.
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func (p *LogProject) DeleteMachineGroup(name string) (err error) {
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h := map[string]string{
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"x-sls-bodyrawsize": "0",
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}
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r, err := request(p, "DELETE", "/machinegroups/"+name, h, nil)
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if err != nil {
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return
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}
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body, err := ioutil.ReadAll(r.Body)
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if err != nil {
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return
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}
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if r.StatusCode != http.StatusOK {
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errMsg := &errorMessage{}
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err = json.Unmarshal(body, errMsg)
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if err != nil {
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err = fmt.Errorf("failed to delete machine group")
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dump, _ := httputil.DumpResponse(r, true)
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fmt.Printf("%s\n", dump)
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return
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}
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err = fmt.Errorf("%v:%v", errMsg.Code, errMsg.Message)
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return
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}
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return
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}
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// ListConfig returns config names list and the total number of configs.
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// The offset starts from 0 and the size is the max number of configs could be returned.
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func (p *LogProject) ListConfig(offset, size int) (cfgNames []string, total int, err error) {
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h := map[string]string{
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"x-sls-bodyrawsize": "0",
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}
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if size <= 0 {
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size = 100
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}
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uri := fmt.Sprintf("/configs?offset=%v&size=%v", offset, size)
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r, err := request(p, "GET", uri, h, nil)
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if err != nil {
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return
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}
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buf, err := ioutil.ReadAll(r.Body)
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if err != nil {
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return
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}
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if r.StatusCode != http.StatusOK {
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errMsg := &errorMessage{}
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err = json.Unmarshal(buf, errMsg)
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if err != nil {
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err = fmt.Errorf("failed to delete machine group")
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dump, _ := httputil.DumpResponse(r, true)
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fmt.Printf("%s\n", dump)
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return
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}
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err = fmt.Errorf("%v:%v", errMsg.Code, errMsg.Message)
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return
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}
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type Body struct {
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Total int
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Configs []string
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}
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body := &Body{}
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err = json.Unmarshal(buf, body)
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if err != nil {
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return
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}
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cfgNames = body.Configs
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total = body.Total
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return
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}
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// GetConfig returns config according by config name.
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func (p *LogProject) GetConfig(name string) (c *LogConfig, err error) {
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h := map[string]string{
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"x-sls-bodyrawsize": "0",
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}
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r, err := request(p, "GET", "/configs/"+name, h, nil)
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if err != nil {
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return
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}
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buf, err := ioutil.ReadAll(r.Body)
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if err != nil {
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return
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}
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if r.StatusCode != http.StatusOK {
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errMsg := &errorMessage{}
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err = json.Unmarshal(buf, errMsg)
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if err != nil {
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err = fmt.Errorf("failed to delete config")
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dump, _ := httputil.DumpResponse(r, true)
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fmt.Printf("%s\n", dump)
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return
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}
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err = fmt.Errorf("%v:%v", errMsg.Code, errMsg.Message)
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return
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}
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c = &LogConfig{}
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err = json.Unmarshal(buf, c)
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if err != nil {
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return
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}
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c.project = p
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return
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}
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// UpdateConfig updates a config.
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func (p *LogProject) UpdateConfig(c *LogConfig) (err error) {
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body, err := json.Marshal(c)
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if err != nil {
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return
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}
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h := map[string]string{
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"x-sls-bodyrawsize": fmt.Sprintf("%v", len(body)),
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"Content-Type": "application/json",
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"Accept-Encoding": "deflate", // TODO: support lz4
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}
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r, err := request(p, "PUT", "/configs/"+c.Name, h, body)
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if err != nil {
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return
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}
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body, err = ioutil.ReadAll(r.Body)
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if err != nil {
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return
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}
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if r.StatusCode != http.StatusOK {
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errMsg := &errorMessage{}
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err = json.Unmarshal(body, errMsg)
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if err != nil {
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err = fmt.Errorf("failed to update config")
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dump, _ := httputil.DumpResponse(r, true)
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fmt.Printf("%s\n", dump)
|
|
return
|
|
}
|
|
err = fmt.Errorf("%v:%v", errMsg.Code, errMsg.Message)
|
|
return
|
|
}
|
|
|
|
return
|
|
}
|
|
|
|
// CreateConfig creates a new config in SLS.
|
|
func (p *LogProject) CreateConfig(c *LogConfig) (err error) {
|
|
|
|
body, err := json.Marshal(c)
|
|
if err != nil {
|
|
return
|
|
}
|
|
|
|
h := map[string]string{
|
|
"x-sls-bodyrawsize": fmt.Sprintf("%v", len(body)),
|
|
"Content-Type": "application/json",
|
|
"Accept-Encoding": "deflate", // TODO: support lz4
|
|
}
|
|
|
|
r, err := request(p, "POST", "/configs", h, body)
|
|
if err != nil {
|
|
return
|
|
}
|
|
|
|
body, err = ioutil.ReadAll(r.Body)
|
|
if err != nil {
|
|
return
|
|
}
|
|
|
|
if r.StatusCode != http.StatusOK {
|
|
errMsg := &errorMessage{}
|
|
err = json.Unmarshal(body, errMsg)
|
|
if err != nil {
|
|
err = fmt.Errorf("failed to update config")
|
|
dump, _ := httputil.DumpResponse(r, true)
|
|
fmt.Printf("%s\n", dump)
|
|
return
|
|
}
|
|
err = fmt.Errorf("%v:%v", errMsg.Code, errMsg.Message)
|
|
return
|
|
}
|
|
|
|
return
|
|
}
|
|
|
|
// DeleteConfig deletes a config according by config name.
|
|
func (p *LogProject) DeleteConfig(name string) (err error) {
|
|
h := map[string]string{
|
|
"x-sls-bodyrawsize": "0",
|
|
}
|
|
|
|
r, err := request(p, "DELETE", "/configs/"+name, h, nil)
|
|
if err != nil {
|
|
return
|
|
}
|
|
|
|
body, err := ioutil.ReadAll(r.Body)
|
|
if err != nil {
|
|
return
|
|
}
|
|
|
|
if r.StatusCode != http.StatusOK {
|
|
errMsg := &errorMessage{}
|
|
err = json.Unmarshal(body, errMsg)
|
|
if err != nil {
|
|
err = fmt.Errorf("failed to delete config")
|
|
dump, _ := httputil.DumpResponse(r, true)
|
|
fmt.Printf("%s\n", dump)
|
|
return
|
|
}
|
|
err = fmt.Errorf("%v:%v", errMsg.Code, errMsg.Message)
|
|
return
|
|
}
|
|
return
|
|
}
|
|
|
|
// GetAppliedMachineGroups returns applied machine group names list according config name.
|
|
func (p *LogProject) GetAppliedMachineGroups(confName string) (groupNames []string, err error) {
|
|
h := map[string]string{
|
|
"x-sls-bodyrawsize": "0",
|
|
}
|
|
|
|
uri := fmt.Sprintf("/configs/%v/machinegroups", confName)
|
|
r, err := request(p, "GET", uri, h, nil)
|
|
if err != nil {
|
|
return
|
|
}
|
|
|
|
buf, err := ioutil.ReadAll(r.Body)
|
|
if err != nil {
|
|
return
|
|
}
|
|
|
|
if r.StatusCode != http.StatusOK {
|
|
errMsg := &errorMessage{}
|
|
err = json.Unmarshal(buf, errMsg)
|
|
if err != nil {
|
|
err = fmt.Errorf("failed to get applied machine groups")
|
|
dump, _ := httputil.DumpResponse(r, true)
|
|
fmt.Printf("%s\n", dump)
|
|
return
|
|
}
|
|
err = fmt.Errorf("%v:%v", errMsg.Code, errMsg.Message)
|
|
return
|
|
}
|
|
|
|
type Body struct {
|
|
Count int
|
|
Machinegroups []string
|
|
}
|
|
|
|
body := &Body{}
|
|
err = json.Unmarshal(buf, body)
|
|
if err != nil {
|
|
return
|
|
}
|
|
|
|
groupNames = body.Machinegroups
|
|
return
|
|
}
|
|
|
|
// GetAppliedConfigs returns applied config names list according machine group name groupName.
|
|
func (p *LogProject) GetAppliedConfigs(groupName string) (confNames []string, err error) {
|
|
h := map[string]string{
|
|
"x-sls-bodyrawsize": "0",
|
|
}
|
|
|
|
uri := fmt.Sprintf("/machinegroups/%v/configs", groupName)
|
|
r, err := request(p, "GET", uri, h, nil)
|
|
if err != nil {
|
|
return
|
|
}
|
|
|
|
buf, err := ioutil.ReadAll(r.Body)
|
|
if err != nil {
|
|
return
|
|
}
|
|
|
|
if r.StatusCode != http.StatusOK {
|
|
errMsg := &errorMessage{}
|
|
err = json.Unmarshal(buf, errMsg)
|
|
if err != nil {
|
|
err = fmt.Errorf("failed to applied configs")
|
|
dump, _ := httputil.DumpResponse(r, true)
|
|
fmt.Printf("%s\n", dump)
|
|
return
|
|
}
|
|
err = fmt.Errorf("%v:%v", errMsg.Code, errMsg.Message)
|
|
return
|
|
}
|
|
|
|
type Cfg struct {
|
|
Count int `json:"count"`
|
|
Configs []string `json:"configs"`
|
|
}
|
|
|
|
body := &Cfg{}
|
|
err = json.Unmarshal(buf, body)
|
|
if err != nil {
|
|
return
|
|
}
|
|
|
|
confNames = body.Configs
|
|
return
|
|
}
|
|
|
|
// ApplyConfigToMachineGroup applies config to machine group.
|
|
func (p *LogProject) ApplyConfigToMachineGroup(confName, groupName string) (err error) {
|
|
h := map[string]string{
|
|
"x-sls-bodyrawsize": "0",
|
|
}
|
|
|
|
uri := fmt.Sprintf("/machinegroups/%v/configs/%v", groupName, confName)
|
|
r, err := request(p, "PUT", uri, h, nil)
|
|
if err != nil {
|
|
return
|
|
}
|
|
|
|
buf, err := ioutil.ReadAll(r.Body)
|
|
if err != nil {
|
|
return
|
|
}
|
|
|
|
if r.StatusCode != http.StatusOK {
|
|
errMsg := &errorMessage{}
|
|
err = json.Unmarshal(buf, errMsg)
|
|
if err != nil {
|
|
err = fmt.Errorf("failed to apply config to machine group")
|
|
dump, _ := httputil.DumpResponse(r, true)
|
|
fmt.Printf("%s\n", dump)
|
|
return
|
|
}
|
|
err = fmt.Errorf("%v:%v", errMsg.Code, errMsg.Message)
|
|
return
|
|
}
|
|
return
|
|
}
|
|
|
|
// RemoveConfigFromMachineGroup removes config from machine group.
|
|
func (p *LogProject) RemoveConfigFromMachineGroup(confName, groupName string) (err error) {
|
|
h := map[string]string{
|
|
"x-sls-bodyrawsize": "0",
|
|
}
|
|
|
|
uri := fmt.Sprintf("/machinegroups/%v/configs/%v", groupName, confName)
|
|
r, err := request(p, "DELETE", uri, h, nil)
|
|
if err != nil {
|
|
return
|
|
}
|
|
|
|
buf, err := ioutil.ReadAll(r.Body)
|
|
if err != nil {
|
|
return
|
|
}
|
|
|
|
if r.StatusCode != http.StatusOK {
|
|
errMsg := &errorMessage{}
|
|
err = json.Unmarshal(buf, errMsg)
|
|
if err != nil {
|
|
err = fmt.Errorf("failed to remove config from machine group")
|
|
dump, _ := httputil.DumpResponse(r, true)
|
|
fmt.Printf("%s\n", dump)
|
|
return
|
|
}
|
|
err = fmt.Errorf("%v:%v", errMsg.Code, errMsg.Message)
|
|
return
|
|
}
|
|
return
|
|
}
|