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.Username = c.Username
config.Password = c.Password
config.UserAgent = "InfluxDBShell/" + version
cl, err := client.NewClient(config)
if err != nil {
return fmt.Errorf("Could not create client %s", err)
}
c.Client = cl
if _, v, e := c.Client.Ping(); e != nil {
return fmt.Errorf("Failed to connect to %s\n", c.Client.Addr())
} else {
c.Version = v
}
return nil
}
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)
}
}
func NewInfluxClient(surl, db string) (*MyInfluxClient, error) {
url, err := url.Parse(surl)
if err != nil {
log.Printf("Error parsing url: %s", err)
return nil, err
}
cfg := client.NewConfig()
cfg.URL = *url
client, err := client.NewClient(cfg)
if err != nil {
log.Printf("Error connecting to influxdb: %s", err)
return nil, err
}
return &MyInfluxClient{client, db}, 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 main() {
defer seelog.Flush()
url, err := url.Parse("http://localhost:8086")
if err != nil {
panic(err)
}
cfg := client.NewConfig()
cfg.URL = *url
client, err := client.NewClient(cfg)
if err != nil {
panic(err)
}
t := time.Now()
var i int = 1
var size int = 1e5
data := make([]string, 0, size)
data2 := make([]string, 0, size)
data3 := make([]string, 0, size)
data4 := make([]string, 0, size)
for ; i < size; i++ {
t = t.Add(time.Second)
data = append(data, fmt.Sprintf("power_price_go3 value=%f %d", rand.Float64(), t.UnixNano()))
data2 = append(data2, fmt.Sprintf("power_price_go4 value=%f %d", rand.Float64(), t.UnixNano()))
data3 = append(data3, fmt.Sprintf("power_price_go5 value=%f %d", rand.Float64(), t.UnixNano()))
data4 = append(data4, fmt.Sprintf("power_price_go6 value=%f %d", rand.Float64(), t.UnixNano()))
}
start := time.Now()
seelog.Info("Start writing data")
var wg sync.WaitGroup
wg.Add(4)
go write_in_batches(data, client, 10000, "marketdata", &wg)
go write_in_batches(data2, client, 10000, "marketdata", &wg)
go write_in_batches(data3, client, 10000, "marketdata", &wg)
go write_in_batches(data4, client, 10000, "marketdata", &wg)
wg.Wait()
seelog.Infof("Took %s to write 4 times %d points", time.Since(start), len(data))
}
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)
}
}
// 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
}
// 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 scanner
i.processDDL(scanner)
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
}