Hot reload does not detect changes

[vcraescu]

Hi,

I'm using a docker image to fire up aah framework https://hub.docker.com/_/golang/ but hot reload not always detect the changes. This is my Dockerfile:

FROM golang:1.11

RUN go get -u aahframework.org/tools.v0/aah

WORKDIR /go/src/github.com/foobar/foobar
COPY . .

RUN go get -d -v ./...
RUN go install -v ./... || true

CMD ["aah", "run"]

This is very frustrating and I can't figure out why is that happening. Makes developing a cumbersome especially when I do some refactoring cause I don't know If I did broke something or just the old code running. I have to restart the container from time to time to be sure I'm running the latest changes.

I'm using aah version 0.11 on a Linux machine:

Client:
 Version:           18.06.1-ce
 API version:       1.38
 Go version:        go1.11
 Git commit:        e68fc7a215
 Built:             Fri Sep  7 11:26:59 2018
 OS/Arch:           linux/amd64
 Experimental:      false

Server:
 Engine:
  Version:          18.06.1-ce
  API version:      1.38 (minimum version 1.12)
  Go version:       go1.11
  Git commit:       e68fc7a215
  Built:            Fri Sep  7 11:26:11 2018
  OS/Arch:          linux/amd64
  Experimental:     false

Thanks!

[DiliBau]

👍 can confirm this happens to be both in a container and when running directly on my machine, same docker versions and same go versions as @vcraescu running on Manjaro linux

[jeevatkm]

@vcraescu @DiliBau Thank you for reporting an issue. I will look into it.

Did you observed any pattern or behavior or steps around hotreload to replicate the issue?

Also could you share your holreloqd config from file aah.project?

[vcraescu]

@jeevatkm This config?

hot_reload {
  # Default value is `true`.
  enable = true

  # Watch configuration - files/directories exclusion list.
  #
  # For valid pattern syntax, refer to https://golang.org/pkg/path/filepath/#Match
  watch {
    # Note: static directory is not required to be monitored since aah server
    # delivers up-to-date file on environment profile `dev`.
    dir_excludes = [".*", "sessions"]

    file_excludes = [".*", "_test.go", "LICENSE", "README.md"]
  }
}

I believe it's the default one.

I didn't notice a pattern, just sometimes it stops detecting the changes and I have to stop/start aah run to make it work.

[jeevatkm]

Yes this is the config. Thanks.

Okay so it stops detecting changes after a while.

[jeevatkm]

@vcraescu Update: Last night I was analyzing and trying to find the root cause. As of now no luck. One way I could think of is to update/optimize the file change detect logic in the aah CLI (upcoming release).

[vcraescu]

But did you manage to reproduce the issue? I switched to OSX and I can reproduce the issue there too.

[jeevatkm]

@vcraescu I was able to reproduce the scenario of "hot reload reflects the changes on second refresh" it happened many iteration of change detection(s). That's why I thought update the hot reload flow and handling.

[vcraescu]

Thanks for taking time to fix this. 👍 I will wait 0.12 version.

[jeevatkm]

Applied fix as well as improvements.