docs: --ignore-tp-env replace field to --tp-ignore-env (#147)

refactor: replace deprecated file reader method

Signed-off-by: Gokhan Karadas <[email protected]>
Co-authored-by: Gokhan Karadas <[email protected]>

README.md

@@ -60,7 +60,7 @@ otel-cli exec --service my-service --name "curl google" curl https://google.com
 otel-cli exec --kind producer "otel-cli exec --kind consumer sleep 1"
 
 # if a traceparent envvar is set it will be automatically picked up and
-# used by span and exec. use --ignore-tp-env to ignore it even when present
+# used by span and exec. use --tp-ignore-env to ignore it even when present
 export TRACEPARENT=00-0af7651916cd43dd8448eb211c80319c-b7ad6b7169203331-01
 
 # create a span with a custom start/end time using either RFC3339,

otelcli/config.go

@@ -2,7 +2,6 @@ package otelcli
 
 import (
 	"encoding/json"
-	"io/ioutil"
 	"os"
 	"reflect"
 	"strconv"
@@ -99,7 +98,7 @@ func (c *Config) LoadFile() error {
 		return nil
 	}
 
-	js, err := ioutil.ReadFile(config.CfgFile)
+	js, err := os.ReadFile(config.CfgFile)
 	if err != nil {
 		return errors.Wrapf(err, "failed to read file '%s'", c.CfgFile)
 	}

otelcli/otelclicarrier_test.go

@@ -134,7 +134,7 @@ func TestWriteTraceparentToFile(t *testing.T) {
 	saveTraceparentToFile(ctx, file.Name())
 
 	// read the data back, it should just be the traceparent string
-	data, err := ioutil.ReadFile(file.Name())
+	data, err := os.ReadFile(file.Name())
 	if err != nil {
 		t.Fatalf("failed to read tempfile '%s': %s", file.Name(), err)
 	}

otelcli/status.go

@@ -23,7 +23,7 @@ Example:
 }
 
 // StatusOutput captures all the data we want to print out for this subcommand
-// and is also is used in ../main_test.go for automated testing.
+// and is also used in ../main_test.go for automated testing.
 type StatusOutput struct {
 	Config      Config            `json:"config"`
 	SpanData    map[string]string `json:"span_data"`