aah framework/community

aah community help each other & collaborate :)

Adrián López

@adrianlop

after doing aah b

however, I have a pipeline in gitlab, and the same code works

any clue for that?

Jeevanandam M.

@jeevatkm

@adrianlop I guess it might be related to go build cache. Can you run aah clean and try again?

Adrián López

@adrianlop

yep I tried that too, same result @jeevatkm

Jeevanandam M.

@jeevatkm

@adrianlop Can you enable trace log on aah.project and do the build; share the build log on via Direct Message privately on gitter?

Adrián López

@adrianlop

will do right now, thanks - really appreciate the help

Eduardo Lopes

@eduardoslopes

Hi,
Have somebody a example of testing a aah project?

Jeevanandam M.

@jeevatkm

@eduardoslopes I don't have specific examples, could you please refer to aah test cases and let me know?

Jeevanandam M.

@jeevatkm

@/all ANN: aah v0.12.3 & cli v0.13.4 released! - Bug fix release.

Adrián López

@adrianlop

beautiful, thanks for the fix @jeevatkm :rocket:

Casian Lacatusu

@kwix

Hey guys! I'm trying to setup an aah project but I'm getting this error when trying to aah run

FATAL 
go build golang_org/x/crypto/cryptobyte/asn1: open /usr/local/go/pkg/linux_amd64/vendor/golang_org/x/crypto/cryptobyte/asn1.a: permission denied
go build golang_org/x/net/dns/dnsmessage: open /usr/local/go/pkg/linux_amd64/vendor/golang_org/x/net/dns/dnsmessage.a: permission denied
go build golang_org/x/crypto/curve25519: open /usr/local/go/pkg/linux_amd64/vendor/golang_org/x/crypto/curve25519.a: permission denied
go build golang_org/x/text/transform: open /usr/local/go/pkg/linux_amd64/vendor/golang_org/x/text/transform.a: permission denied
go build golang_org/x/crypto/internal/chacha20: open /usr/local/go/pkg/linux_amd64/vendor/golang_org/x/crypto/internal/chacha20.a: permission denied
go build golang_org/x/crypto/poly1305: open /usr/local/go/pkg/linux_amd64/vendor/golang_org/x/crypto/poly1305.a: permission denied
go build golang_org/x/net/http2/hpack: open /usr/local/go/pkg/linux_amd64/vendor/golang_org/x/net/http2/hpack.a: permission denied
go build golang_org/x/text/unicode/bidi: open /usr/local/go/pkg/linux_amd64/vendor/golang_org/x/text/unicode/bidi.a: permission denied

exit status 1

Has anyone encountered this?

Jeevanandam M.

@jeevatkm

@kwix It seems like you're running into $GOROOT/pkg permission issue. There are two ways go about it -

Provide permission to user (build user) to have write permission to $GOROOT/pkg
OR
Remove the -i option from flags attribute on aah.project

Please try and let me know.

@kwix FYI, The correct place to install system packages is under $GOROOT/pkg.

Casian Lacatusu

@kwix

Hey @jeevatkm! Thank you for the help. Removing the "-i" flag did the job.

Not sure why it didn't work otherwise. I got the standard golang (1.11.4) installation, nothing fancy

Jeevanandam M.

@jeevatkm

@kwix I believe you're doing cross compile. Its known thing with golang cross compile build. As I mentioned above its related to "Provide permission to user (build user) to have write permission to $GOROOT/pkg". If you search on the net, you could find references to it.

i flag tells to cmd go build to install the build packages. So it needs write permission.

@spkiran

Test

hudsonvalleycloudcomputing

@hudsonvalleycloudcomputing

Does the framework work with appengine? Any docs on the same?

Jeevanandam M.

@jeevatkm

@hudsonvalleycloudcomputing Thanks for trying aah. Currently appengine specific docs not exists. I do not have personal account on GCP to try it out also I have learn how appengine works. Technically aah framework should work. First we have to try out and address any issues comes up.
Is it possible to try at your end and work with me for any issues pops up?

udomsak

@udomsak

@jeevatkm you does amazing job !!! :)

Jeevanandam M.

@jeevatkm

@udomsak Thank you :smile:

Savely Krasovsky

@L11R

@jeevatkm can I ask here question about Thumbai?

I cannot reverse proxify it correctly. It works, login page loads, but login button redirects me to https://$host:$port/ instead of just https://$host/

Savely Krasovsky

@L11R

I don't think that such hacks are the solution:

sub_filter '//$host:8083/' '//$host/';
sub_filter_once off;

Jeevanandam M.

@jeevatkm

@L11R Thanks for sharing your concerns. THUMBAI Proxy does not manipulate the request/response body content. I best guess is; targeted application might be producing a HTML content like that.

Your scenario is typical usage, I have many such hosts configured. This is live instance of THUMBAI https://aahframework.org/thumbai/login . Please use credentials as readonly/readonly have a look on proxy configurations.

I'm looking forward to improve THUMBAI, fix any issues. To track this issue, could you please also create an issue here https://github.com/thumbai/thumbai/issues and Kindly check your application end.

Could you use slack channel for thumbai https://gophers.slack.com/messages/CEQJ9EJPR/ :smile:

Savely Krasovsky

@L11R

@jeevatkm maybe you didn't understand me correctly. I didn't even set it up :D

When I go at mydomain.com/thumbai/login page I cannot even login because when I press "Login" button itself, site redirects me at mydomain.com:8080/thumbai/login page. Where I am getting 404 of course.

Jeevanandam M.

@jeevatkm

@L11R Okay, it seems you're running THUMBAI on port 8080. Because for THUMBAI that's the port allocated, so thumbai HTML response come with that https://$host:$port/. Ideally proxy setup are done at entry point, e.g.: port 80 Could you try it on let me know? I hope I got your explanation this time.

Savely Krasovsky

@L11R

@jeevatkm Yeah, you got. I reverse proxify it with Nginx that runs at 80 and 443.

Thumbai runs at localhost:8080

location / {
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Host $host;
        proxy_set_header X-Forwarded-Proto $scheme;
        proxy_pass http://localhost:8080/;
}

So I don't know how to resolve it without using sub_filter nginx module.

Jeevanandam M.

@jeevatkm

@L11R THUMBAI proxy is same nature of nginx. So it replaces any proxy tool in the segment. In your case THUMBAI proxy is one of the application/path route for nginx. Currently I'm not sure how best we can handle via thumbai.conf for scenario "THUMBAI behind another proxy tool". I will think about it. If you have a suggestion, propose it while creating an issue on given URL.

Savely Krasovsky

@L11R

@jeevatkm reverse proxy is popular thing, isn't it? I mean I didn't have infinity IPs at VPS, Nginx allows me to have as many virtual hosts as I want to. I don't see here strange use case, it's pretty popular case for small VPS and large production environments where EVERY external service is reverse proxified.

Jeevanandam M.

@jeevatkm

@L11R You're correct, I know, I'm not denying that fact. I have explained the THUMBAI proxy is similar to other proxy tool (Not up to Nginx capabilities).

Savely Krasovsky

@L11R

@jeevatkm got it. But well, it based at aah, that also could not be reverse proxified such way? (sorry, i didn't use it, so don't know)

As far as I got it, THUMBAI is sort of precompiled hardened aah build with predefined functionality.

Jeevanandam M.

@jeevatkm

@L11R aah framework has NO limitation as such, you could bend it as you want; aah follows industry practices very well. So you will not have any issues.

It just when I developed THUMBAI, I have developed with certain goals in mind. For example: Thumbai core feature is Go Mod repository, Go vanity server. I didn't put much effort on Proxy feature. That's why it has limitation. I have addressed it by user inputs and suggestions.

Savely Krasovsky

@L11R

@jeevatkm Okay, I got you point.

Can I somehow fix it by rebuilding THUMBAI?

sub_filter does not work because of enabled gzip I guess.

Jeevanandam M.

@jeevatkm

Yes, you can. Clone this repo https://github.com/thumbai/thumbai and update it. If you make it generic/configurable way, you could send PR too. We can release it everyone.

Savely Krasovsky

@L11R

@jeevatkm yeah, would be nice. But I need to found out how aah works :D It seems pretty complex to me currently.

Jeevanandam M.

@jeevatkm

In thumbai this file could be your interest I think https://github.com/thumbai/thumbai/blob/master/app/thumbai.go and refer to these two doc page https://docs.aahframework.org/routes-config.html and https://docs.aahframework.org/deployment.html

Running THUMBAI locally have a look configs here at https://github.com/thumbai/thumbai/tree/master/dev-files

Ping me when have any questions.

NOTE: all aah OOTB configurations you could use it with THUMABI easily.

Eduardo Lopes

@eduardoslopes

Hi guys, do you know how can I map a service with a query param to receive an array? Like this: GET /state?point=[-4.969750, -39.018362]

Eduardo Lopes

@eduardoslopes

I tried something like that:

type MyController struct {
    *aah.Context
}

func (a *MyController) MyMethod(point []float64) {

    a.Reply().Ok().JSON(point)
}

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