func TestSetWriteConsistency(t *testing.T) {
t.Parallel()
c := cli.New(CLIENT_VERSION)
config := client.NewConfig()
client, _ := client.NewClient(config)
c.Client = client
// set valid write consistency
consistency := "all"
c.SetWriteConsistency("consistency " + consistency)
if c.WriteConsistency != consistency {
t.Fatalf("WriteConsistency is %s but should be %s", c.WriteConsistency, consistency)
}
// set different valid write consistency and validate change
consistency = "quorum"
c.SetWriteConsistency("consistency " + consistency)
if c.WriteConsistency != consistency {
t.Fatalf("WriteConsistency is %s but should be %s", c.WriteConsistency, consistency)
}
// set invalid write consistency and verify there was no change
invalidConsistency := "invalid_consistency"
c.SetWriteConsistency("consistency " + invalidConsistency)
if c.WriteConsistency == invalidConsistency {
t.Fatalf("WriteConsistency is %s but should be %s", c.WriteConsistency, consistency)
}
}
func TestSetFormat(t *testing.T) {
t.Parallel()
c := cli.New(CLIENT_VERSION)
config := client.NewConfig()
client, _ := client.NewClient(config)
c.Client = client
// validate set non-default format
f := "json"
c.SetFormat("format " + f)
if c.Format != f {
t.Fatalf("Format is %s but should be %s", c.Format, f)
}
}
// InfluxHandler factory function
// reutrn *InfluxHandler and error
func NewInfluxHandler(h string, p int, db string, u string, pwd string, max int, delay int) (*InfluxHandler, error) {
url, err := client.ParseConnectionString(fmt.Sprintf("%s:%d", h, p), false)
if err != nil {
return nil, err
}
cfg := client.NewConfig()
cfg.URL = url
cfg.Username = u
cfg.Password = pwd
cfg.Precision = "s" // 秒级别的精度就行
c, e := client.NewClient(cfg)
if e != nil {
return nil, e
}
_, _, err = c.Ping()
if err != nil {
return nil, err
}
ih := new(InfluxHandler)
ih.c = c
ih.force = make(chan struct{}, 1)
ih.last = time.Now()
ih.h = h
ih.p = p
ih.db = db
ih.u = u
ih.pwd = pwd
if max <= 10 || max > 4096 {
ih.max = 4096
} else {
ih.max = max
}
if delay <= 60 || delay > 600 {
ih.delay = time.Second * 600
} else {
ih.delay = time.Second * delay
}
ih.ch = make(chan unit, int(ih.max+ih.max/2))
go ih.consume()
return ih, nil
}
// Connect connects client to a server
func (c *CommandLine) Connect(cmd string) error {
var cl *client.Client
var u url.URL
// Remove the "connect" keyword if it exists
path := strings.TrimSpace(strings.Replace(cmd, "connect", "", -1))
// If they didn't provide a connection string, use the current settings
if path == "" {
path = net.JoinHostPort(c.Host, strconv.Itoa(c.Port))
}
var e error
u, e = client.ParseConnectionString(path, c.Ssl)
if e != nil {
return e
}
config := client.NewConfig()
config.URL = u
config.UnixSocket = c.UnixSocket
config.Username = c.Username
config.Password = c.Password
config.UserAgent = "InfluxDBShell/" + c.ClientVersion
config.Precision = c.Precision
config.UnsafeSsl = c.UnsafeSsl
cl, err := client.NewClient(config)
if err != nil {
return fmt.Errorf("Could not create client %s", err)
}
c.Client = cl
var v string
if _, v, e = c.Client.Ping(); e != nil {
return fmt.Errorf("Failed to connect to %s: %s\n", c.Client.Addr(), e.Error())
}
c.ServerVersion = v
// Update the command with the current connection information
if h, p, err := net.SplitHostPort(config.URL.Host); err == nil {
c.Host = h
if i, err := strconv.Atoi(p); err == nil {
c.Port = i
}
}
return nil
}
func TestSetAuth(t *testing.T) {
t.Parallel()
c := cli.New(CLIENT_VERSION)
config := client.NewConfig()
client, _ := client.NewClient(config)
c.Client = client
u := "userx"
p := "pwdy"
c.SetAuth("auth " + u + " " + p)
// validate CLI configuration
if c.Username != u {
t.Fatalf("Username is %s but should be %s", c.Username, u)
}
if c.Password != p {
t.Fatalf("Password is %s but should be %s", c.Password, p)
}
}
func TestSetPrecision(t *testing.T) {
t.Parallel()
c := cli.New(CLIENT_VERSION)
config := client.NewConfig()
client, _ := client.NewClient(config)
c.Client = client
// validate set non-default precision
p := "ns"
c.SetPrecision("precision " + p)
if c.Precision != p {
t.Fatalf("Precision is %s but should be %s", c.Precision, p)
}
// validate set default precision which equals empty string
p = "rfc3339"
c.SetPrecision("precision " + p)
if c.Precision != "" {
t.Fatalf("Precision is %s but should be empty", c.Precision)
}
}
// GetInfluxContext returns a Influx context which contains all the information needed
// to query Influx.
func (sc *SystemConf) GetInfluxContext() client.Config {
c := client.NewConfig()
if sc.md.IsDefined("InfluxConf", "URL") {
c.URL = *sc.InfluxConf.URL.URL
}
if sc.md.IsDefined("InfluxConf", "Username") {
c.Username = sc.InfluxConf.Username
}
if sc.md.IsDefined("InfluxConf", "Password") {
c.Password = sc.InfluxConf.Password
}
if sc.md.IsDefined("InfluxConf", "UserAgent") {
c.UserAgent = sc.InfluxConf.UserAgent
}
if sc.md.IsDefined("InfluxConf", "Timeout") {
c.Timeout = sc.InfluxConf.Timeout.Duration
}
if sc.md.IsDefined("InfluxConf", "UnsafeSsl") {
c.UnsafeSsl = sc.InfluxConf.UnsafeSSL
}
return c
}
// NewConfig returns an initialized *Config
func NewConfig() Config {
return Config{Config: client.NewConfig()}
}
// Import processes the specified file in the Config and writes the data to the databases in chunks specified by batchSize
func (i *Importer) Import() error {
// Create a client and try to connect
config := client.NewConfig()
config.URL = i.config.URL
config.Username = i.config.Username
config.Password = i.config.Password
config.UserAgent = fmt.Sprintf("influxDB importer/%s", i.config.Version)
cl, err := client.NewClient(config)
if err != nil {
return fmt.Errorf("could not create client %s", err)
}
i.client = cl
if _, _, e := i.client.Ping(); e != nil {
return fmt.Errorf("failed to connect to %s\n", i.client.Addr())
}
// Validate args
if i.config.Path == "" {
return fmt.Errorf("file argument required")
}
defer func() {
if i.totalInserts > 0 {
log.Printf("Processed %d commands\n", i.totalCommands)
log.Printf("Processed %d inserts\n", i.totalInserts)
log.Printf("Failed %d inserts\n", i.failedInserts)
}
}()
// Open the file
f, err := os.Open(i.config.Path)
if err != nil {
return err
}
defer f.Close()
var r io.Reader
// If gzipped, wrap in a gzip reader
if i.config.Compressed {
gr, err := gzip.NewReader(f)
if err != nil {
return err
}
defer gr.Close()
// Set the reader to the gzip reader
r = gr
} else {
// Standard text file so our reader can just be the file
r = f
}
// Get our reader
scanner := bufio.NewScanner(r)
// Process the DDL
i.processDDL(scanner)
// Set up our throttle channel. Since there is effectively no other activity at this point
// the smaller resolution gets us much closer to the requested PPS
i.throttle = time.NewTicker(time.Microsecond)
defer i.throttle.Stop()
// Prime the last write
i.lastWrite = time.Now()
// Process the DML
i.processDML(scanner)
// Check if we had any errors scanning the file
if err := scanner.Err(); err != nil {
return fmt.Errorf("reading standard input: %s", err)
}
return nil
}