Introduce drun command, refactor code to use context package

1 files changed, 7 insertions, 13 deletions

diff --git a/internal/clients/grepclient.go b/internal/clients/grepclient.go
index c568f63..8d11458 100644
--- a/internal/clients/grepclient.go
+++ b/internal/clients/grepclient.go
@@ -7,11 +7,7 @@ import (
 	"strings"
 
 	"github.com/mimecast/dtail/internal/clients/handlers"
-	"github.com/mimecast/dtail/internal/clients/remote"
 	"github.com/mimecast/dtail/internal/omode"
-	"github.com/mimecast/dtail/internal/ssh/client"
-
-	gossh "golang.org/x/crypto/ssh"
 )
 
 // GrepClient searches a remote file for all lines matching a regular expression. Only the matching lines are displayed.
@@ -29,8 +25,6 @@ func NewGrepClient(args Args) (*GrepClient, error) {
 	c := GrepClient{
 		baseClient: baseClient{
 			Args:       args,
-			stop:       make(chan struct{}),
-			stopped:    make(chan struct{}),
 			throttleCh: make(chan struct{}, args.ConnectionsPerCPU*runtime.NumCPU()),
 			retry:      false,
 		},
@@ -41,13 +35,13 @@ func NewGrepClient(args Args) (*GrepClient, error) {
 	return &c, nil
 }
 
-func (c GrepClient) makeConnection(server string, sshAuthMethods []gossh.AuthMethod, hostKeyCallback *client.HostKeyCallback) *remote.Connection {
-	conn := remote.NewConnection(server, c.UserName, sshAuthMethods, hostKeyCallback)
-	conn.Handler = handlers.NewClientHandler(server, c.PingTimeout)
+func (c GrepClient) makeHandler(server string) handlers.Handler {
+	return handlers.NewClientHandler(server)
+}
 
-	for _, file := range strings.Split(c.Files, ",") {
-		conn.Commands = append(conn.Commands, fmt.Sprintf("%s %s regex %s", c.Mode.String(), file, c.Regex))
+func (c GrepClient) makeCommands() (commands []string) {
+	for _, file := range strings.Split(c.What, ",") {
+		commands = append(commands, fmt.Sprintf("%s %s regex %s", c.Mode.String(), file, c.Regex))
 	}
-
-	return conn
+	return
 }