556 lines
16 KiB
Go
556 lines
16 KiB
Go
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package main
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import (
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"context"
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"fmt"
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"os"
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"os/signal"
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"path/filepath"
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"strings"
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"time"
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ipfscluster "github.com/ipfs-cluster/ipfs-cluster"
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"github.com/ipfs-cluster/ipfs-cluster/allocator/balanced"
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"github.com/ipfs-cluster/ipfs-cluster/api"
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"github.com/ipfs-cluster/ipfs-cluster/api/rest"
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"github.com/ipfs-cluster/ipfs-cluster/cmdutils"
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"github.com/ipfs-cluster/ipfs-cluster/config"
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"github.com/ipfs-cluster/ipfs-cluster/consensus/crdt"
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"github.com/ipfs-cluster/ipfs-cluster/datastore/badger"
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"github.com/ipfs-cluster/ipfs-cluster/datastore/leveldb"
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"github.com/ipfs-cluster/ipfs-cluster/informer/disk"
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"github.com/ipfs-cluster/ipfs-cluster/ipfsconn/ipfshttp"
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"github.com/ipfs-cluster/ipfs-cluster/monitor/pubsubmon"
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"github.com/ipfs-cluster/ipfs-cluster/observations"
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"github.com/ipfs-cluster/ipfs-cluster/pintracker/stateless"
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"github.com/multiformats/go-multiaddr"
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"github.com/pkg/errors"
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cli "github.com/urfave/cli/v2"
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)
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func printFirstStart() {
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fmt.Printf(`
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No clusters configured yet!
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If this is the first time you are running %s,
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be sure to check out the usage documentation. Here are some
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examples to get you going:
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$ %s --help - general description and usage help
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$ %s <clusterName> --help - Help and subcommands for the <clusterName>'s follower peer
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$ %s <clusterName> info --help - Help for the "info" subcommand (same for others).
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`, programName, programName, programName, programName)
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}
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func printNotInitialized(clusterName string) {
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fmt.Printf(`
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This cluster peer has not been initialized.
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Try running "%s %s init <config-url>" first.
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`, programName, clusterName)
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}
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func setLogLevels(lvl string) {
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for f := range ipfscluster.LoggingFacilities {
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ipfscluster.SetFacilityLogLevel(f, lvl)
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}
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for f := range ipfscluster.LoggingFacilitiesExtra {
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ipfscluster.SetFacilityLogLevel(f, lvl)
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}
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}
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// returns whether the config folder exists
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func isInitialized(absPath string) bool {
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_, err := os.Stat(absPath)
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return err == nil
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}
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func listClustersCmd(c *cli.Context) error {
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absPath, _, _ := buildPaths(c, "")
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f, err := os.Open(absPath)
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if os.IsNotExist(err) {
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printFirstStart()
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return nil
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}
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if err != nil {
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return cli.Exit(err, 1)
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}
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dirs, err := f.Readdir(-1)
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if err != nil {
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return cli.Exit(errors.Wrapf(err, "reading %s", absPath), 1)
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}
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var filteredDirs []string
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for _, d := range dirs {
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if d.IsDir() {
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configPath := filepath.Join(absPath, d.Name(), DefaultConfigFile)
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if _, err := os.Stat(configPath); err == nil {
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filteredDirs = append(filteredDirs, d.Name())
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}
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}
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}
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if len(filteredDirs) == 0 {
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printFirstStart()
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return nil
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}
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fmt.Printf("Configurations found for %d follower peers. For info and help, try running:\n\n", len(filteredDirs))
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for _, d := range filteredDirs {
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fmt.Printf("%s \"%s\"\n", programName, d)
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}
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fmt.Printf("\nTip: \"%s --help\" for help and examples.\n", programName)
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return nil
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}
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func infoCmd(c *cli.Context) error {
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clusterName := c.String("clusterName")
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// Avoid pollution of the screen
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setLogLevels("critical")
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absPath, configPath, identityPath := buildPaths(c, clusterName)
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if !isInitialized(absPath) {
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printNotInitialized(clusterName)
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return cli.Exit("", 1)
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}
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cfgHelper, err := cmdutils.NewLoadedConfigHelper(configPath, identityPath)
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var url string
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if err != nil {
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if config.IsErrFetchingSource(err) {
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url = fmt.Sprintf(
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"failed retrieving configuration source (%s)",
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cfgHelper.Manager().Source,
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)
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ipfsCfg := ipfshttp.Config{}
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ipfsCfg.Default()
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cfgHelper.Configs().Ipfshttp = &ipfsCfg
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} else {
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return cli.Exit(errors.Wrapf(err, "reading the configurations in %s", absPath), 1)
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}
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} else {
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url = fmt.Sprintf("Available (%s)", cfgHelper.Manager().Source)
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}
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cfgHelper.Manager().Shutdown()
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fmt.Printf("Information about follower peer for Cluster \"%s\":\n\n", clusterName)
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fmt.Printf("Config folder: %s\n", absPath)
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fmt.Printf("Config source URL: %s\n", url)
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ctx := context.Background()
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client, err := getClient(absPath, clusterName)
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if err != nil {
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return cli.Exit(errors.Wrap(err, "error creating client"), 1)
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}
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_, err = client.Version(ctx)
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fmt.Printf("Cluster Peer online: %t\n", err == nil)
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// Either we loaded a valid config, or we are using a default. Worth
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// applying env vars in the second case.
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if err := cfgHelper.Configs().Ipfshttp.ApplyEnvVars(); err != nil {
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return cli.Exit(errors.Wrap(err, "applying environment variables to ipfshttp config"), 1)
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}
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cfgHelper.Configs().Ipfshttp.ConnectSwarmsDelay = 0
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connector, err := ipfshttp.NewConnector(cfgHelper.Configs().Ipfshttp)
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if err == nil {
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_, err = connector.ID(ctx)
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}
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fmt.Printf("IPFS peer online: %t\n", err == nil)
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if c.Command.Name == "" {
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fmt.Printf("Additional help:\n\n")
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fmt.Printf("-------------------------------------------------\n\n")
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return cli.ShowAppHelp(c)
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}
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return nil
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}
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func initCmd(c *cli.Context) error {
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if !c.Args().Present() {
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return cli.Exit("configuration URL not provided", 1)
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}
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cfgURL := c.Args().First()
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return initCluster(c, false, cfgURL)
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}
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func initCluster(c *cli.Context, ignoreReinit bool, cfgURL string) error {
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clusterName := c.String(clusterNameFlag)
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absPath, configPath, identityPath := buildPaths(c, clusterName)
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if isInitialized(absPath) {
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if ignoreReinit {
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fmt.Println("Configuration for this cluster already exists. Skipping initialization.")
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fmt.Printf("If you wish to re-initialize, simply delete %s\n\n", absPath)
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return nil
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}
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cmdutils.ErrorOut("Configuration for this cluster already exists.\n")
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cmdutils.ErrorOut("Please delete %s if you wish to re-initialize.", absPath)
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return cli.Exit("", 1)
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}
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gw := c.String("gateway")
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if !strings.HasPrefix(cfgURL, "http://") && !strings.HasPrefix(cfgURL, "https://") {
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fmt.Printf("%s will be assumed to be an DNSLink-powered address: /ipns/%s.\n", cfgURL, cfgURL)
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fmt.Printf("It will be resolved using the local IPFS daemon's gateway (%s).\n", gw)
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fmt.Println("If this is not the case, specify the full url starting with http:// or https://.")
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fmt.Println("(You can override the gateway URL by setting IPFS_GATEWAY)")
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fmt.Println()
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cfgURL = fmt.Sprintf("http://%s/ipns/%s", gw, cfgURL)
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}
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// Setting the datastore here is useless, as we initialize with remote
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// config and we will have an empty service.json with the source only.
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// That source will decide which datastore is actually used.
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cfgHelper := cmdutils.NewConfigHelper(configPath, identityPath, "crdt", "")
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cfgHelper.Manager().Shutdown()
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cfgHelper.Manager().Source = cfgURL
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err := cfgHelper.Manager().Default()
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if err != nil {
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return cli.Exit(errors.Wrap(err, "error generating default config"), 1)
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}
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ident := cfgHelper.Identity()
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err = ident.Default()
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if err != nil {
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return cli.Exit(errors.Wrap(err, "error generating identity"), 1)
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}
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err = ident.ApplyEnvVars()
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if err != nil {
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return cli.Exit(errors.Wrap(err, "error applying environment variables to the identity"), 1)
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}
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err = cfgHelper.SaveIdentityToDisk()
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if err != nil {
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return cli.Exit(errors.Wrapf(err, "error saving %s", identityPath), 1)
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}
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fmt.Printf("Identity written to %s.\n", identityPath)
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err = cfgHelper.SaveConfigToDisk()
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if err != nil {
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return cli.Exit(errors.Wrapf(err, "saving %s", configPath), 1)
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}
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fmt.Printf("Configuration written to %s.\n", configPath)
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fmt.Printf("Cluster \"%s\" follower peer initialized.\n\n", clusterName)
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fmt.Printf(
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"You can now use \"%s %s run\" to start a follower peer for this cluster.\n",
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programName,
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clusterName,
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)
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fmt.Println("(Remember to start your IPFS daemon before)")
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return nil
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}
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func runCmd(c *cli.Context) error {
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clusterName := c.String(clusterNameFlag)
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if cfgURL := c.String("init"); cfgURL != "" {
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err := initCluster(c, true, cfgURL)
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if err != nil {
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return err
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}
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}
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absPath, configPath, identityPath := buildPaths(c, clusterName)
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if !isInitialized(absPath) {
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printNotInitialized(clusterName)
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return cli.Exit("", 1)
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}
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fmt.Printf("Starting the IPFS Cluster follower peer for \"%s\".\nCTRL-C to stop it.\n", clusterName)
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fmt.Println("Checking if IPFS is online (will wait for 2 minutes)...")
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ctxIpfs, cancelIpfs := context.WithTimeout(context.Background(), 2*time.Minute)
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defer cancelIpfs()
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err := cmdutils.WaitForIPFS(ctxIpfs)
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if err != nil {
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return cli.Exit("timed out waiting for IPFS to be available", 1)
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}
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setLogLevels(logLevel) // set to "info" by default.
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// Avoid API logs polluting the screen everytime we
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// run some "list" command.
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ipfscluster.SetFacilityLogLevel("restapilog", "error")
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cfgHelper, err := cmdutils.NewLoadedConfigHelper(configPath, identityPath)
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if err != nil {
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return cli.Exit(errors.Wrapf(err, "reading the configurations in %s", absPath), 1)
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}
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cfgHelper.Manager().Shutdown()
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cfgs := cfgHelper.Configs()
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stmgr, err := cmdutils.NewStateManager(cfgHelper.GetConsensus(), cfgHelper.GetDatastore(), cfgHelper.Identity(), cfgs)
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if err != nil {
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return cli.Exit(errors.Wrap(err, "creating state manager"), 1)
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}
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store, err := stmgr.GetStore()
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if err != nil {
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return cli.Exit(errors.Wrap(err, "creating datastore"), 1)
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}
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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host, pubsub, dht, err := ipfscluster.NewClusterHost(ctx, cfgHelper.Identity(), cfgs.Cluster, store)
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if err != nil {
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return cli.Exit(errors.Wrap(err, "error creating libp2p components"), 1)
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}
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// Always run followers in follower mode.
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cfgs.Cluster.FollowerMode = true
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// Do not let trusted peers GC this peer
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// Defaults to Trusted otherwise.
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cfgs.Cluster.RPCPolicy["Cluster.RepoGCLocal"] = ipfscluster.RPCClosed
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// Discard API configurations and create our own
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apiCfg := rest.NewConfig()
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cfgs.Restapi = apiCfg
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_ = apiCfg.Default()
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listenSocket, err := socketAddress(absPath, clusterName)
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if err != nil {
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return cli.Exit(err, 1)
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}
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apiCfg.HTTPListenAddr = []multiaddr.Multiaddr{listenSocket}
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// Allow customization via env vars
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err = apiCfg.ApplyEnvVars()
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if err != nil {
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return cli.Exit(errors.Wrap(err, "error applying environmental variables to restapi configuration"), 1)
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}
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rest, err := rest.NewAPI(ctx, apiCfg)
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if err != nil {
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return cli.Exit(errors.Wrap(err, "creating REST API component"), 1)
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}
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connector, err := ipfshttp.NewConnector(cfgs.Ipfshttp)
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if err != nil {
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return cli.Exit(errors.Wrap(err, "creating IPFS Connector component"), 1)
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}
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informer, err := disk.NewInformer(cfgs.DiskInf)
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if err != nil {
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return cli.Exit(errors.Wrap(err, "creating disk informer"), 1)
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}
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alloc, err := balanced.New(cfgs.BalancedAlloc)
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if err != nil {
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return cli.Exit(errors.Wrap(err, "creating metrics allocator"), 1)
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}
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crdtcons, err := crdt.New(
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host,
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dht,
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pubsub,
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cfgs.Crdt,
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store,
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)
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if err != nil {
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store.Close()
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return cli.Exit(errors.Wrap(err, "creating CRDT component"), 1)
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}
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tracker := stateless.New(cfgs.Statelesstracker, host.ID(), cfgs.Cluster.Peername, crdtcons.State)
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|
|
mon, err := pubsubmon.New(ctx, cfgs.Pubsubmon, pubsub, nil)
|
||
|
|
if err != nil {
|
||
|
|
store.Close()
|
||
|
|
return cli.Exit(errors.Wrap(err, "setting up PeerMonitor"), 1)
|
||
|
|
}
|
||
|
|
|
||
|
|
// Hardcode disabled tracing and metrics to avoid mistakenly
|
||
|
|
// exposing any user data.
|
||
|
|
tracerCfg := observations.TracingConfig{}
|
||
|
|
_ = tracerCfg.Default()
|
||
|
|
tracerCfg.EnableTracing = false
|
||
|
|
cfgs.Tracing = &tracerCfg
|
||
|
|
tracer, err := observations.SetupTracing(&tracerCfg)
|
||
|
|
if err != nil {
|
||
|
|
return cli.Exit(errors.Wrap(err, "error setting up tracer"), 1)
|
||
|
|
}
|
||
|
|
|
||
|
|
// This does nothing since we are not calling SetupMetrics anyways
|
||
|
|
// But stays just to be explicit.
|
||
|
|
metricsCfg := observations.MetricsConfig{}
|
||
|
|
_ = metricsCfg.Default()
|
||
|
|
metricsCfg.EnableStats = false
|
||
|
|
cfgs.Metrics = &metricsCfg
|
||
|
|
|
||
|
|
// We are going to run a cluster peer and should do an
|
||
|
|
// oderly shutdown if we are interrupted: cancel default
|
||
|
|
// signal handling and leave things to HandleSignals.
|
||
|
|
signal.Stop(signalChan)
|
||
|
|
close(signalChan)
|
||
|
|
|
||
|
|
cluster, err := ipfscluster.NewCluster(
|
||
|
|
ctx,
|
||
|
|
host,
|
||
|
|
dht,
|
||
|
|
cfgs.Cluster,
|
||
|
|
store,
|
||
|
|
crdtcons,
|
||
|
|
[]ipfscluster.API{rest},
|
||
|
|
connector,
|
||
|
|
tracker,
|
||
|
|
mon,
|
||
|
|
alloc,
|
||
|
|
[]ipfscluster.Informer{informer},
|
||
|
|
tracer,
|
||
|
|
)
|
||
|
|
if err != nil {
|
||
|
|
store.Close()
|
||
|
|
return cli.Exit(errors.Wrap(err, "error creating cluster peer"), 1)
|
||
|
|
}
|
||
|
|
|
||
|
|
return cmdutils.HandleSignals(ctx, cancel, cluster, host, dht, store)
|
||
|
|
}
|
||
|
|
|
||
|
|
// List
|
||
|
|
func listCmd(c *cli.Context) error {
|
||
|
|
clusterName := c.String("clusterName")
|
||
|
|
|
||
|
|
absPath, configPath, identityPath := buildPaths(c, clusterName)
|
||
|
|
if !isInitialized(absPath) {
|
||
|
|
printNotInitialized(clusterName)
|
||
|
|
return cli.Exit("", 1)
|
||
|
|
}
|
||
|
|
|
||
|
|
err := printStatusOnline(absPath, clusterName)
|
||
|
|
if err == nil {
|
||
|
|
return nil
|
||
|
|
}
|
||
|
|
|
||
|
|
// There was an error. Try offline status
|
||
|
|
apiErr, ok := err.(*api.Error)
|
||
|
|
if ok && apiErr.Code != 0 {
|
||
|
|
return cli.Exit(
|
||
|
|
errors.Wrapf(
|
||
|
|
err,
|
||
|
|
"The Peer API seems to be running but returned with code %d",
|
||
|
|
apiErr.Code,
|
||
|
|
), 1)
|
||
|
|
}
|
||
|
|
|
||
|
|
// We are on offline mode so we cannot rely on IPFS being
|
||
|
|
// running and most probably our configuration is remote and
|
||
|
|
// to be loaded from IPFS. Thus we need to find a different
|
||
|
|
// way to decide whether to load badger/leveldb, and once we
|
||
|
|
// know, do it with the default settings.
|
||
|
|
hasLevelDB := false
|
||
|
|
lDBCfg := &leveldb.Config{}
|
||
|
|
lDBCfg.SetBaseDir(absPath)
|
||
|
|
lDBCfg.Default()
|
||
|
|
levelDBInfo, err := os.Stat(lDBCfg.GetFolder())
|
||
|
|
if err == nil && levelDBInfo.IsDir() {
|
||
|
|
hasLevelDB = true
|
||
|
|
}
|
||
|
|
|
||
|
|
hasBadger := false
|
||
|
|
badgerCfg := &badger.Config{}
|
||
|
|
badgerCfg.SetBaseDir(absPath)
|
||
|
|
badgerCfg.Default()
|
||
|
|
badgerInfo, err := os.Stat(badgerCfg.GetFolder())
|
||
|
|
if err == nil && badgerInfo.IsDir() {
|
||
|
|
hasBadger = true
|
||
|
|
}
|
||
|
|
|
||
|
|
if hasLevelDB && hasBadger {
|
||
|
|
return cli.Exit(errors.Wrapf(err, "found both leveldb (%s) and badger (%s) folders: cannot determine which to use in offline mode", lDBCfg.GetFolder(), badgerCfg.GetFolder()), 1)
|
||
|
|
}
|
||
|
|
|
||
|
|
// Since things were initialized, assume there is one at least.
|
||
|
|
dstoreType := "leveldb"
|
||
|
|
if hasBadger {
|
||
|
|
dstoreType = "badger"
|
||
|
|
}
|
||
|
|
cfgHelper := cmdutils.NewConfigHelper(configPath, identityPath, "crdt", dstoreType)
|
||
|
|
cfgHelper.Manager().Shutdown() // not needed
|
||
|
|
cfgHelper.Configs().Badger.SetBaseDir(absPath)
|
||
|
|
cfgHelper.Configs().LevelDB.SetBaseDir(absPath)
|
||
|
|
cfgHelper.Manager().Default() // we have a default crdt config with either leveldb or badger registered.
|
||
|
|
cfgHelper.Manager().ApplyEnvVars()
|
||
|
|
|
||
|
|
err = printStatusOffline(cfgHelper)
|
||
|
|
if err != nil {
|
||
|
|
return cli.Exit(errors.Wrap(err, "error obtaining the pinset"), 1)
|
||
|
|
}
|
||
|
|
|
||
|
|
return nil
|
||
|
|
}
|
||
|
|
|
||
|
|
func printStatusOnline(absPath, clusterName string) error {
|
||
|
|
ctx := context.Background()
|
||
|
|
client, err := getClient(absPath, clusterName)
|
||
|
|
if err != nil {
|
||
|
|
return cli.Exit(errors.Wrap(err, "error creating client"), 1)
|
||
|
|
}
|
||
|
|
|
||
|
|
out := make(chan api.GlobalPinInfo, 1024)
|
||
|
|
errCh := make(chan error, 1)
|
||
|
|
|
||
|
|
go func() {
|
||
|
|
defer close(errCh)
|
||
|
|
errCh <- client.StatusAll(ctx, 0, true, out)
|
||
|
|
}()
|
||
|
|
|
||
|
|
var pid string
|
||
|
|
for gpi := range out {
|
||
|
|
if pid == "" { // do this once
|
||
|
|
// PeerMap will only have one key
|
||
|
|
for k := range gpi.PeerMap {
|
||
|
|
pid = k
|
||
|
|
break
|
||
|
|
}
|
||
|
|
}
|
||
|
|
pinInfo := gpi.PeerMap[pid]
|
||
|
|
printPin(gpi.Cid, pinInfo.Status.String(), gpi.Name, pinInfo.Error)
|
||
|
|
}
|
||
|
|
err = <-errCh
|
||
|
|
return err
|
||
|
|
}
|
||
|
|
|
||
|
|
func printStatusOffline(cfgHelper *cmdutils.ConfigHelper) error {
|
||
|
|
mgr, err := cmdutils.NewStateManagerWithHelper(cfgHelper)
|
||
|
|
if err != nil {
|
||
|
|
return err
|
||
|
|
}
|
||
|
|
store, err := mgr.GetStore()
|
||
|
|
if err != nil {
|
||
|
|
return err
|
||
|
|
}
|
||
|
|
defer store.Close()
|
||
|
|
st, err := mgr.GetOfflineState(store)
|
||
|
|
if err != nil {
|
||
|
|
return err
|
||
|
|
}
|
||
|
|
|
||
|
|
out := make(chan api.Pin, 1024)
|
||
|
|
errCh := make(chan error, 1)
|
||
|
|
go func() {
|
||
|
|
defer close(errCh)
|
||
|
|
errCh <- st.List(context.Background(), out)
|
||
|
|
}()
|
||
|
|
|
||
|
|
for pin := range out {
|
||
|
|
printPin(pin.Cid, "offline", pin.Name, "")
|
||
|
|
}
|
||
|
|
|
||
|
|
err = <-errCh
|
||
|
|
return err
|
||
|
|
}
|
||
|
|
|
||
|
|
func printPin(c api.Cid, status, name, err string) {
|
||
|
|
if err != "" {
|
||
|
|
name = name + " (" + err + ")"
|
||
|
|
}
|
||
|
|
fmt.Printf("%-20s %s %s\n", status, c, name)
|
||
|
|
}
|