Merge pull request #18 from sastred/master

Update docs

README.md

@@ -36,6 +36,18 @@ Substitutions in args entry in the config file
     - `CreationTimestampMilliseconds` is the message creation time with in milliseconds
     - `CreationTimestampSeconds` is the message creation time in seconds _See [examples/ARRAY.md](examples/ARRAY.md) for an example_
 
+- `$..`
+
+    If you want to select the full message you should use `$..` instead of `$.`.
+
+- `$.Message`
+
+    If the message has a field `"Message"`, the content of the original message will be replaced with the content of the field `$.Message`.
+
+- Indented json
+
+    [The library used to parse jq like expressions](https://github.com/savaki/jq) sometimes has problems with new lines. It is better to use json messages without new lines or other indentations.
+
 Log outputs to stdout or firehose
 ----------------------------------
 
@@ -148,7 +160,8 @@ Please __put attention__ in the "cond" parameter (is a condition, like an "if").
 
 
 ```toml
-logfile = "/var/log/goreactor.log"
+[logstream]
+logstream = "stdout"
 
 [[reactor]]
 concurrent = 10
@@ -164,7 +177,6 @@ cond = [
 ]
 cmd = "/usr/local/bin/do-something-with-the-instance"
 args = ["asg=$.AutoScalingGroupName", "instance_id=$.EC2InstanceId"]
-argsjson = true
 workingDirectory = "/path/to/process/wd/"
 ```
 

examples/ARRAY.md

@@ -18,7 +18,8 @@ Configuration in go reactor
 In the goreactor, we are ready to listen to messages and execute the command.
 
 ```toml
-logfile = "/var/log/goreactor.log"
+[logstream]
+logstream = "stdout"
 
 [[reactor]]
 concurrent = 10
@@ -30,7 +31,6 @@ region = "eu-west-1"
 output = "cmd"
 cmd = "/usr/local/bin/do-something-for-that-time"
 args = ["--example-argument-before", "$.args...", "--example-argument-after", "--other-timestamp=${CreationTimestampSeconds}"]
-argsjson = true
 ```
 
 
@@ -42,4 +42,4 @@ The daemon will execute a command like
 ```
 Note that ${CreationTimestampSeconds} from the message was overridden with 1591877960, 
 that's the time when the message was created in the queue.
-Same thing with --other-timestamp=1591877960.
+Same thing with --other-timestamp=1591877960.