server: init commit (#8144)

Co-authored-by: Federico Kunze <31522760+fedekunze@users.noreply.github.com> Co-authored-by: mergify[bot] <37929162+mergify[bot]@users.noreply.github.com>
2020-12-10 19:12:42 +00:00
parent 6de685805d
commit 227ac45dec
4 changed files with 45 additions and 26 deletions
@@ -0,0 +1,37 @@
+package cmd
+
+import (
+	"context"
+
+	"github.com/rs/zerolog"
+	"github.com/spf13/cobra"
+	tmcfg "github.com/tendermint/tendermint/config"
+	tmcli "github.com/tendermint/tendermint/libs/cli"
+
+	"github.com/cosmos/cosmos-sdk/client"
+	"github.com/cosmos/cosmos-sdk/client/flags"
+	"github.com/cosmos/cosmos-sdk/server"
+)
+
+// Execute executes the root command of an application. It handles creating a
+// server context object with the appropriate server and client objects injected
+// into the underlying stdlib Context. It also handles adding core CLI flags,
+// specifically the logging flags. It returns an error upon execution failure.
+func Execute(rootCmd *cobra.Command, defaultHome string) error {
+	// Create and set a client.Context on the command's Context. During the pre-run
+	// of the root command, a default initialized client.Context is provided to
+	// seed child command execution with values such as AccountRetriver, Keyring,
+	// and a Tendermint RPC. This requires the use of a pointer reference when
+	// getting and setting the client.Context. Ideally, we utilize
+	// https://github.com/spf13/cobra/pull/1118.
+	srvCtx := server.NewDefaultContext()
+	ctx := context.Background()
+	ctx = context.WithValue(ctx, client.ClientContextKey, &client.Context{})
+	ctx = context.WithValue(ctx, server.ServerContextKey, srvCtx)
+
+	rootCmd.PersistentFlags().String(flags.FlagLogLevel, zerolog.InfoLevel.String(), "The logging level (trace|debug|info|warn|error|fatal|panic)")
+	rootCmd.PersistentFlags().String(flags.FlagLogFormat, tmcfg.LogFormatPlain, "The logging format (json|plain)")
+
+	executor := tmcli.PrepareBaseCmd(rootCmd, "", defaultHome)
+	return executor.ExecuteContext(ctx)
+}