influxdb/cmd/influx/query.go

138 lines
3.4 KiB
Go

package main
import (
"fmt"
"os"
"strings"
"github.com/influxdata/platform"
"github.com/influxdata/platform/http"
"github.com/influxdata/platform/query"
_ "github.com/influxdata/platform/query/builtin"
"github.com/influxdata/platform/query/execute"
"github.com/influxdata/platform/query/functions"
"github.com/influxdata/platform/query/functions/storage"
"github.com/influxdata/platform/query/functions/storage/pb"
"github.com/influxdata/platform/query/repl"
"github.com/spf13/cobra"
"github.com/spf13/viper"
)
var queryCmd = &cobra.Command{
Use: "query [query literal or @/path/to/query.flux]",
Short: "Execute an Flux query",
Long: `Execute a literal Flux query provided as a string,
or execute a literal Flux query contained in a file by specifying the file prefixed with an @ sign.`,
Args: cobra.ExactArgs(1),
Run: fluxQueryF,
}
var queryFlags struct {
StorageHosts string
OrgID string
Verbose bool
}
func init() {
queryCmd.PersistentFlags().StringVar(&queryFlags.StorageHosts, "storage-hosts", "localhost:8082", "Comma-separated list of storage hosts")
viper.BindEnv("STORAGE_HOSTS")
if h := viper.GetString("STORAGE_HOSTS"); h != "" {
queryFlags.StorageHosts = h
}
queryCmd.PersistentFlags().BoolVarP(&queryFlags.Verbose, "verbose", "v", false, "Verbose output")
viper.BindEnv("VERBOSE")
if viper.GetBool("VERBOSE") {
queryFlags.Verbose = true
}
queryCmd.PersistentFlags().StringVar(&queryFlags.OrgID, "org-id", "", "Organization ID")
viper.BindEnv("ORG_ID")
if h := viper.GetString("ORG_ID"); h != "" {
queryFlags.OrgID = h
}
}
func fluxQueryF(cmd *cobra.Command, args []string) {
q, err := repl.LoadQuery(args[0])
if err != nil {
fmt.Fprintln(os.Stderr, err)
os.Exit(1)
}
hosts, err := storageHostReader(strings.Split(queryFlags.StorageHosts, ","))
if err != nil {
fmt.Fprintln(os.Stderr, err)
os.Exit(1)
}
org, err := orgID(queryFlags.OrgID)
if err != nil {
fmt.Fprintln(os.Stderr, err)
os.Exit(1)
}
buckets, err := bucketService(flags.host, flags.token)
if err != nil {
fmt.Fprintln(os.Stderr, err)
os.Exit(1)
}
orgs, err := orgService(flags.host, flags.token)
if err != nil {
fmt.Fprintln(os.Stderr, err)
os.Exit(1)
}
r, err := getFluxREPL(hosts, buckets, orgs, org, queryFlags.Verbose)
if err != nil {
fmt.Fprintln(os.Stderr, err)
os.Exit(1)
}
if err := r.Input(q); err != nil {
fmt.Fprintln(os.Stderr, err)
os.Exit(1)
}
}
func injectDeps(deps execute.Dependencies, hosts storage.Reader, buckets platform.BucketService, orgs platform.OrganizationService) error {
return functions.InjectFromDependencies(deps, storage.Dependencies{
Reader: hosts,
BucketLookup: query.FromBucketService(buckets),
OrganizationLookup: query.FromOrganizationService(orgs),
})
}
func storageHostReader(hosts []string) (storage.Reader, error) {
return pb.NewReader(storage.NewStaticLookup(hosts))
}
func bucketService(addr, token string) (platform.BucketService, error) {
if addr == "" {
return nil, fmt.Errorf("bucket host address required")
}
return &http.BucketService{
Addr: addr,
Token: token,
}, nil
}
func orgService(addr, token string) (platform.OrganizationService, error) {
if addr == "" {
return nil, fmt.Errorf("organization host address required")
}
return &http.OrganizationService{
Addr: addr,
Token: token,
}, nil
}
func orgID(org string) (platform.ID, error) {
var oid platform.ID
err := oid.DecodeFromString(org)
return oid, err
}