seeded_bootstrap.go

// Copyright (c) 2018 Uber Technologies, Inc.
//
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package dtests

import (
	"github.com/m3db/m3/src/cmd/tools/dtest/harness"

	"github.com/spf13/cobra"
)

var seededBootstrapTestCmd = &cobra.Command{
	Use:   "seeded_bootstrap",
	Short: "Run a dtest where all the provided nodes are seeded with data, and bootstrapped",
	Long: `
	Perform the following operations on the provided set of nodes:
	(1) Create a new cluster placement using all of the provided nodes.
	(2) Seed the nodes used in (1), with initial data on their respective file-systems.
	(3) Start the nodes from (1), and wait until they are bootstrapped.
`,
	Example: `./dtest seeded_bootstrap --m3db-build path/to/m3dbnode --m3db-config path/to/m3dbnode.yaml --dtest-config path/to/dtest.yaml`,
	Run:     seededBootstrapDTest,
}

func seededBootstrapDTest(cmd *cobra.Command, args []string) {
	if err := globalArgs.Validate(); err != nil {
		printUsage(cmd)
		return
	}

	rawLogger := newLogger(cmd)
	defer rawLogger.Sync()
	logger := rawLogger.Sugar()

	dt := harness.New(globalArgs, rawLogger)
	defer dt.Close()

	nodes := dt.Nodes()
	numNodes := len(nodes)
	testCluster := dt.Cluster()

	logger.Infof("setting up cluster with %d nodes", numNodes)
	setupNodes, err := testCluster.Setup(numNodes)
	panicIfErr(err, "unable to setup cluster")
	logger.Infof("setup cluster")

	logger.Infof("seeding nodes with initial data")
	panicIfErr(dt.Seed(setupNodes), "unable to seed nodes")
	logger.Infof("seeded nodes")

	logger.Infof("starting cluster")
	panicIfErr(testCluster.Start(), "unable to start nodes")
	logger.Infof("started cluster")

	logger.Infof("waiting until all instances are bootstrapped")
	panicIfErr(dt.WaitUntilAllBootstrapped(setupNodes), "unable to bootstrap all nodes")
	logger.Infof("all nodes bootstrapped successfully!")
}