lotus/cli/cmd.go
2020-03-23 23:54:39 -07:00

229 lines
4.9 KiB
Go

package cli
import (
"context"
"fmt"
"net/http"
"os"
"os/signal"
"strings"
"syscall"
logging "github.com/ipfs/go-log/v2"
"github.com/mitchellh/go-homedir"
"github.com/multiformats/go-multiaddr"
manet "github.com/multiformats/go-multiaddr-net"
"golang.org/x/xerrors"
"gopkg.in/urfave/cli.v2"
"github.com/filecoin-project/lotus/api"
"github.com/filecoin-project/lotus/api/client"
"github.com/filecoin-project/lotus/lib/jsonrpc"
"github.com/filecoin-project/lotus/node/repo"
)
var log = logging.Logger("cli")
const (
metadataTraceConetxt = "traceContext"
)
// custom CLI error
type ErrCmdFailed struct {
msg string
}
func (e *ErrCmdFailed) Error() string {
return e.msg
}
func NewCliError(s string) error {
return &ErrCmdFailed{s}
}
// ApiConnector returns API instance
type ApiConnector func() api.FullNode
type APIInfo struct {
Addr multiaddr.Multiaddr
Token []byte
}
func (a APIInfo) DialArgs() (string, error) {
_, addr, err := manet.DialArgs(a.Addr)
return "ws://" + addr + "/rpc/v0", err
}
func (a APIInfo) AuthHeader() http.Header {
if len(a.Token) != 0 {
headers := http.Header{}
headers.Add("Authorization", "Bearer "+string(a.Token))
return headers
}
log.Warn("API Token not set and requested, capabilities might be limited.")
return nil
}
func flagForRepo(t repo.RepoType) string {
switch t {
case repo.FullNode:
return "repo"
case repo.StorageMiner:
return "storagerepo"
default:
panic(fmt.Sprintf("Unknown repo type: %v", t))
}
}
func envForRepo(t repo.RepoType) string {
switch t {
case repo.FullNode:
return "FULLNODE_API_INFO"
case repo.StorageMiner:
return "STORAGE_API_INFO"
default:
panic(fmt.Sprintf("Unknown repo type: %v", t))
}
}
func GetAPIInfo(ctx *cli.Context, t repo.RepoType) (APIInfo, error) {
if env, ok := os.LookupEnv(envForRepo(t)); ok {
sp := strings.SplitN(env, ":", 2)
if len(sp) != 2 {
log.Warnf("invalid env(%s) value, missing token or address", envForRepo(t))
} else {
ma, err := multiaddr.NewMultiaddr(sp[1])
if err != nil {
return APIInfo{}, xerrors.Errorf("could not parse multiaddr from env(%s): %w", envForRepo(t), err)
}
return APIInfo{
Addr: ma,
Token: []byte(sp[0]),
}, nil
}
}
repoFlag := flagForRepo(t)
p, err := homedir.Expand(ctx.String(repoFlag))
if err != nil {
return APIInfo{}, xerrors.Errorf("cound not expand home dir (%s): %w", repoFlag, err)
}
r, err := repo.NewFS(p)
if err != nil {
return APIInfo{}, xerrors.Errorf("could not open repo at path: %s; %w", p, err)
}
ma, err := r.APIEndpoint()
if err != nil {
return APIInfo{}, xerrors.Errorf("could not get api endpoint: %w", err)
}
token, err := r.APIToken()
if err != nil {
log.Warnf("Couldn't load CLI token, capabilities may be limited: %v", err)
}
return APIInfo{
Addr: ma,
Token: token,
}, nil
}
func GetRawAPI(ctx *cli.Context, t repo.RepoType) (string, http.Header, error) {
ainfo, err := GetAPIInfo(ctx, t)
if err != nil {
return "", nil, xerrors.Errorf("could not get API info: %w", err)
}
addr, err := ainfo.DialArgs()
if err != nil {
return "", nil, xerrors.Errorf("could not get DialArgs: %w", err)
}
return addr, ainfo.AuthHeader(), nil
}
func GetAPI(ctx *cli.Context) (api.Common, jsonrpc.ClientCloser, error) {
ti, ok := ctx.App.Metadata["repoType"]
if !ok {
log.Errorf("unknown repo type, are you sure you want to use GetAPI?")
ti = repo.FullNode
}
t, ok := ti.(repo.RepoType)
if !ok {
log.Errorf("repoType type does not match the type of repo.RepoType")
}
addr, headers, err := GetRawAPI(ctx, t)
if err != nil {
return nil, nil, err
}
return client.NewCommonRPC(addr, headers)
}
func GetFullNodeAPI(ctx *cli.Context) (api.FullNode, jsonrpc.ClientCloser, error) {
addr, headers, err := GetRawAPI(ctx, repo.FullNode)
if err != nil {
return nil, nil, err
}
return client.NewFullNodeRPC(addr, headers)
}
func GetStorageMinerAPI(ctx *cli.Context) (api.StorageMiner, jsonrpc.ClientCloser, error) {
addr, headers, err := GetRawAPI(ctx, repo.StorageMiner)
if err != nil {
return nil, nil, err
}
return client.NewStorageMinerRPC(addr, headers)
}
func DaemonContext(cctx *cli.Context) context.Context {
if mtCtx, ok := cctx.App.Metadata[metadataTraceConetxt]; ok {
return mtCtx.(context.Context)
}
return context.Background()
}
// ReqContext returns context for cli execution. Calling it for the first time
// installs SIGTERM handler that will close returned context.
// Not safe for concurrent execution.
func ReqContext(cctx *cli.Context) context.Context {
tCtx := DaemonContext(cctx)
ctx, done := context.WithCancel(tCtx)
sigChan := make(chan os.Signal, 2)
go func() {
<-sigChan
done()
}()
signal.Notify(sigChan, syscall.SIGTERM, syscall.SIGINT)
return ctx
}
var Commands = []*cli.Command{
authCmd,
chainCmd,
clientCmd,
fetchParamCmd,
mpoolCmd,
multisigCmd,
netCmd,
paychCmd,
sendCmd,
stateCmd,
syncCmd,
versionCmd,
walletCmd,
logCmd,
}