portal | An api-driven , in-kernel layer 2/3 load balancer | Load Balancing library

 by   nanopack Go Version: v0.1.1 License: MIT

kandi X-RAY | portal Summary

kandi X-RAY | portal Summary

portal is a Go library typically used in Networking, Load Balancing, Docker applications. portal has no bugs, it has no vulnerabilities, it has a Permissive License and it has low support. You can download it from GitHub.

Portal is an api-driven, in-kernel layer 2/3 load balancer.
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            kandi-support Support

              portal has a low active ecosystem.
              It has 97 star(s) with 14 fork(s). There are 12 watchers for this library.
              OutlinedDot
              It had no major release in the last 12 months.
              There are 1 open issues and 22 have been closed. On average issues are closed in 41 days. There are 1 open pull requests and 0 closed requests.
              It has a neutral sentiment in the developer community.
              The latest version of portal is v0.1.1

            kandi-Quality Quality

              portal has 0 bugs and 0 code smells.

            kandi-Security Security

              portal has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.
              portal code analysis shows 0 unresolved vulnerabilities.
              There are 0 security hotspots that need review.

            kandi-License License

              portal is licensed under the MIT License. This license is Permissive.
              Permissive licenses have the least restrictions, and you can use them in most projects.

            kandi-Reuse Reuse

              portal releases are available to install and integrate.
              Installation instructions are not available. Examples and code snippets are available.
              It has 8093 lines of code, 515 functions and 42 files.
              It has high code complexity. Code complexity directly impacts maintainability of the code.

            Top functions reviewed by kandi - BETA

            kandi has reviewed portal and discovered the below as its top functions. This is intended to give you an instant insight into portal implemented functionality, and help decide if they suit your requirements.
            • startPortal is used to start the main process .
            • putServices uploads services to a service
            • LoadConfigFile loads configuration file
            • parseReqService parses a service response .
            • routes returns the router routes
            • Sync updates the ipvsadm rules
            • putService stores a service
            • rest performs a HTTP request .
            • postServer posts a server
            • putServers adds servers to a cluster
            Get all kandi verified functions for this library.

            portal Key Features

            No Key Features are available at this moment for portal.

            portal Examples and Code Snippets

            No Code Snippets are available at this moment for portal.

            Community Discussions

            QUESTION

            Azure ASP.NET Core web api returns 404 for proxied multipart/form-data request
            Asked 2022-Mar-11 at 08:40

            I'm new to Azure and trying to set up my nextjs client app and my ASP.NET Core backend app. Everything seems to play well now, except for file uploads. It's working on localhost, but in production the backend returns a 404 web page (attached image) before reaching the actual API endpoint. I've also successfully tested to make a multipart/form-data POST request in Postman from my computer.

            The way I implemented this is that I'm proxying the upload from the browser through an api route (client's server side) to the backend. I have to go via the client server side to append a Bearer token from a httpOnly cookie.

            I've enabled CORS in Startup.cs:

            ...

            ANSWER

            Answered 2022-Mar-10 at 06:35
            • Cross-Origin Resource Sharing (CORS) allows JavaScript code running in a browser on an external host to interact with your backend.

            • To allow all, use "*" and remove all other origins from the list.

            I could only allow origins, not headers and methods?

            Add the below configuration in your web.config file to allow headers and methods.

            Source https://stackoverflow.com/questions/71335834

            QUESTION

            Azure Function Runtime Unreachable when deploying from Azure devops pipeline
            Asked 2022-Feb-28 at 17:26

            Thanks for taking the time to read. My current setup is as follows:

            I have an azure function service up and running, an az function project in visual studio (which I have tested and it runs without issue), a build pipeline in azure devops that deploys a docker image with my function project to an azure container registry.

            My problem:

            When I try to setup my function service for CI/CD from my devops pipeline, I get the following error on the "functions" tab on my app: "Azure Functions runtime is unreachable". Also none of the functions from my code are listed. In the deployment center however, I get a message "Deployed successfully to production", and it shows my built docker container image name.

            Troubleshooting:

            In the deployment center of my function app (in the az portal), I set my app to read directly from the azure container registry (using the exact same docker image that my pipeline built earlier), and that worked perfectly - deployment successful and I could see my individual functions name. When I switched back to CI/CD deployment however I got the same problem as earlier.

            Trying to see if anyone has had the same problem or could suggest a path forward for getting CI/CD integration working.

            I pasted my yaml file below with some names changed for privacy.

            ...

            ANSWER

            Answered 2022-Feb-28 at 17:26

            Configuration/typing issue in yml file. Repository name during build step was hard-coded (I didn't use a variable like what was posted above) and did not match repo name in deploy step because of a spelling error.

            Source https://stackoverflow.com/questions/68785291

            QUESTION

            Kubernetes NodePort is not available on all nodes - Oracle Cloud Infrastructure (OCI)
            Asked 2022-Jan-31 at 14:37

            I've been trying to get over this but I'm out of ideas for now hence I'm posting the question here.

            I'm experimenting with the Oracle Cloud Infrastructure (OCI) and I wanted to create a Kubernetes cluster which exposes some service.

            The goal is:

            • A running managed Kubernetes cluster (OKE)
            • 2 nodes at least
            • 1 service that's accessible for external parties

            The infra looks the following:

            • A VCN for the whole thing
            • A private subnet on 10.0.1.0/24
            • A public subnet on 10.0.0.0/24
            • NAT gateway for the private subnet
            • Internet gateway for the public subnet
            • Service gateway
            • The corresponding security lists for both subnets which I won't share right now unless somebody asks for it
            • A containerengine K8S (OKE) cluster in the VCN with public Kubernetes API enabled
            • A node pool for the K8S cluster with 2 availability domains and with 2 instances right now. The instances are ARM machines with 1 OCPU and 6GB RAM running Oracle-Linux-7.9-aarch64-2021.12.08-0 images.
            • A namespace in the K8S cluster (call it staging for now)
            • A deployment which refers to a custom NextJS application serving traffic on port 3000

            And now it's the point where I want to expose the service running on port 3000.

            I have 2 obvious choices:

            • Create a LoadBalancer service in K8S which will spawn a classic Load Balancer in OCI, set up it's listener and set up the backendset referring to the 2 nodes in the cluster, plus it adjusts the subnet security lists to make sure traffic can flow
            • Create a Network Load Balancer in OCI and create a NodePort on K8S and manually configure the NLB to the ~same settings as the classic Load Balancer

            The first one works perfectly fine but I want to use this cluster with minimal costs so I decided to experiment with option 2, the NLB since it's way cheaper (zero cost).

            Long story short, everything works and I can access the NextJS app on the IP of the NLB most of the time but sometimes I couldn't. I decided to look it up what's going on and turned out the NodePort that I exposed in the cluster isn't working how I'd imagine.

            The service behind the NodePort is only accessible on the Node that's running the pod in K8S. Assume NodeA is running the service and NodeB is just there chilling. If I try to hit the service on NodeA, everything is fine. But when I try to do the same on NodeB, I don't get a response at all.

            That's my problem and I couldn't figure out what could be the issue.

            What I've tried so far:

            • Switching from ARM machines to AMD ones - no change
            • Created a bastion host in the public subnet to test which nodes are responding to requests. Turned out only the node responds that's running the pod.
            • Created a regular LoadBalancer in K8S with the same config as the NodePort (in this case OCI will create a classic Load Balancer), that works perfectly
            • Tried upgrading to Oracle 8.4 images for the K8S nodes, didn't fix it
            • Ran the Node Doctor on the nodes, everything is fine
            • Checked the logs of kube-proxy, kube-flannel, core-dns, no error
            • Since the cluster consists of 2 nodes, I gave it a try and added one more node and the service was not accessible on the new node either
            • Recreated the cluster from scratch

            Edit: Some update. I've tried to use a DaemonSet instead of a regular Deployment for the pod to ensure that as a temporary solution, all nodes are running at least one instance of the pod and surprise. The node that was previously not responding to requests on that specific port, it still does not, even though a pod is running on it.

            Edit2: Originally I was running the latest K8S version for the cluster (v1.21.5) and I tried downgrading to v1.20.11 and unfortunately the issue is still present.

            Edit3: Checked if the NodePort is open on the node that's not responding and it is, at least kube-proxy is listening on it.

            ...

            ANSWER

            Answered 2022-Jan-31 at 12:06

            Might not be the ideal fix, but can you try changing the externalTrafficPolicy to Local. This would prevent the health check on the nodes which don't run the application to fail. This way the traffic will only be forwarded to the node where the application is . Setting externalTrafficPolicy to local is also a requirement to preserve source IP of the connection. Also, can you share the health check config for both NLB and LB that you are using. When you change the externalTrafficPolicy, note that the health check for LB would change and the same needs to be applied to NLB.

            Edit: Also note that you need a security list/ network security group added to your node subnet/nodepool, which allows traffic on all protocols from the worker node subnet.

            Source https://stackoverflow.com/questions/70893487

            QUESTION

            Invalid Audience when protecting Azure Function with App Service Authentication (EasyAuth) and a Custom OpenID Provider
            Asked 2021-Dec-19 at 18:10

            I have an Azure Function (tried both Windows and Linux Consumption) using Azure App Service Authentication (Easy Auth) with a custom OpenId Connect provider to authenticate my Azure Function with an http trigger.

            I configured a client in my Identity Provider (based on Duende Identity Server), acquired a token and then sent a request to the Azure Function (contains just the code that is initially created by Visual Studio when creating a Function App project).

            This is the configuration I made in the Azure Portal:

            When I now send the request to the Azure function endpoint I always get the following error:

            ...

            ANSWER

            Answered 2021-Dec-19 at 18:10

            You should try using the Client ID as the scope while generating the token.

            In some cases appending /.default to the scope helps. Example eda25bbe-a724-43ba-8fa3-8977aba6fb36/.default.

            Source https://stackoverflow.com/questions/70196274

            QUESTION

            Diagnostic setting not included in Azure Portal ARM template export
            Asked 2021-Dec-17 at 08:39

            I create a Diagnostic Settings for a KeyVault resource in Azure portal. DS properties are Metrics = AllMetrics and Destination is a predefined Log Analytics Workspace. When I do an export (Automation - Export Template) from Portal, nothing from the diagnostic setting is included in the generated ARM json. I've noticed the same behavior when resource is an App Service.

            Is this by design? A bug? Any other way to get the ARM json for the diagnostic setting I've defined?

            ...

            ANSWER

            Answered 2021-Dec-17 at 08:39

            I tried the same in my environment and seems we cannot export the diagnostics settings for any service like key vault, app service , storage account etc when we try to export the template for automation . But there are some sample Diagnostics settings Templates for few resources provided in Microsoft Documentation.

            So , as per your settings it will something like below which I have tested by deploying :

            Source https://stackoverflow.com/questions/70200523

            QUESTION

            Deploy VUE & Dotnet Core to IIS
            Asked 2021-Nov-25 at 11:57

            I'm trying to deploy my VUE portal & it's Dotnet backend API on the same IIS site. I was only able to host the each on it's own site on IIS, but I want to host them both on the same site. Can someone please advise how?

            ...

            ANSWER

            Answered 2021-Nov-25 at 11:57
            • Download & Install:
              • .NET Core Hosting Bundle
              • Microsoft URL Rewrite
            • Restart the IIS service.
            • Setup new IIS Website:
              • Open IIS on the server.
              • Right click the Sites folder and select "Add website"
              • enter site name
              • set the physical path to the Vue.js app directory
              • leave the host name empty → click "OK".
            • Right click the new site and select "Add Application"
              • enter the alias "api" (without quotes)
              • set the physical path to the ASP.NET Core api directory
              • click "OK".
            • In Application Pools
              • right click the app pool for the new site → "Basic Settings"
              • change the .NET CLR version to 'No Managed Code'.
              • right click the app pool for the new site → "Advanced Settings"
              • set ‘Identity’: LocalSystem
              • Make sure "web.config" is as given in the article below! Vue.js + ASP.NET
                & inside the Vue.js front-end folder

            additional resources:

            Source https://stackoverflow.com/questions/70110542

            QUESTION

            Terraform - How to attach SSL certificate stored in Azure KeyVault to an Application Gateway
            Asked 2021-Nov-24 at 10:51

            I have a Terraform script that create an Azure Key Vault, imports my SSL certificate (3DES .pfx file with a password), and creates an Application Gateway with a HTTP listener. I'm trying to change this to a HTTPS listener that uses my SSL certificate from KeyVault.

            I've stepped through this process manually in Azure Portal and I have this working with PowerShell. Unfortunately I don't find Terraform's documentation clear on how this is supposed to be achieved.

            Here are relevant snippets of my Application Gateway and certificate resources:

            ...

            ANSWER

            Answered 2021-Sep-16 at 10:10

            The issue is that there isn't any access policy defined for the app gateway in the keyvault for which it not able to get the certififcate.

            So, inorder to resolve this , you have to add an acess policy for the managed identity that is being used by the application gateway. So, after creating managed identity and before using in application gateway, you have to use something like below:

            Source https://stackoverflow.com/questions/69193030

            QUESTION

            addEventListener not showing information window on click (JavaScript)
            Asked 2021-Nov-12 at 20:12

            I'm working on a web application for a disaster management lab assignment that is using the Google Places and Maps JavaScript API. The goal is to have markers on the map which are attached to an event listener which is supposed to show an information window with the data about a disaster report. However, the window is not showing up when I click on the marker. The pointer finger icon shows when I hover over a point, yet no information window appears when I click on the marker. There are zero errors in the dev console when I run it through IntelliJ and Tomcat, and I tried changing addListener to addEventListener but it still doesn't work. I will post my code below but let me know if you need anything else to help. For security reasons, I have replaced my API key with MY_API_KEY, so I guess you will have to have access to the Google API's yourself in order to help so I apologize for that. Thanks!

            P.S. When I tried creating the snippet it came up with the following error which I'm unsure where the error is coming from because there is no line 302 in the JS code: { "message": "Uncaught SyntaxError: Unexpected end of input", "filename": "https://stacksnippets.net/js", "lineno": 302, "colno": 5 }

            Here's what the information window is supposed to look like:

            ...

            ANSWER

            Answered 2021-Nov-12 at 20:12

            Thank you Randy for the solution! I had to modify the example from the Google Maps documentation to match what the lab wanted but I figured it out. I included the infowindow.setContent(marker['customInfo']); from my original code and changed my code to match the syntax from the documentation.

            Here's the working code for the Click Listener:

            Source https://stackoverflow.com/questions/69947534

            QUESTION

            How to define two different entity roles for the same prebuilt Entity (number) in LUIS
            Asked 2021-Nov-10 at 12:54

            I am looking to build a bot that typically requires two numbers with a different meaning (role) in the same utterance. Let's take the example of a StockMarket order assistent (fictional, as example)

            Some example utterances:

            • Buy 100 MSFT stock at limit of 340
            • Get me 200 Apple at maximum 239.4
            • Buy 40 AMZN at market price

            In LUIS portal, I have defined two entities

            • StockSymbol a List entity (for all stocks, linking their symbols and the names as synonyms).

            • number the prebuilt entity with two Roles: Amount and Limit

            When specifying the utterances shown as example, it shows that the entities get recognized. But I cannot find a way to specify the roles for the different number entities in my sample utterances. (in the examples, the first number instance of number is the Amount, and if a second it there, that is typically the Limit role.

            Anyone an idea on how to define this and set this up?

            Best regards

            ...

            ANSWER

            Answered 2021-Nov-10 at 12:54

            There are 2 different ways to do this, First is to use roles for a prebuilt entity, go into the number prebuilt, click on Roles, add 2 different roles.

            one for Amount another for Limit then you have to go in the utterances and label for the roles, you do that by going to the utterance, clicking on the @ symbol on the right, selecting the number prebuilt, selecting the role, then highlighting the numbers with that role.

            Second approach is to use ML entities, create 2 ML entities, one for Amount one for Limit. Add the number as a feature and make it a required feature, and then go ahead and label the Amounts with the Amount entity and the limits with the Limit entity directly.

            Source https://stackoverflow.com/questions/69911111

            QUESTION

            HTTPS in Nodejs - error:06065064 digital envelope routines evp_decryptfinal_ex bad decrypt
            Asked 2021-Oct-21 at 08:33

            We tried to install our Hapis (Nodejs Version 14) Web service on our customer's server. It ran under HTTP for months, but when we went to enable HTTPS with the appropriate paths to the cert and key it fails when the service starts up with:

            error:06065064:digital envelope routines:EVP_Decryptfinal_ex:bad decrypt

            Their certificate and key are generated using the Venafi online portal. It gave them a crt and key. The crt uses a Signature algorithm: sha256RSA, Signature hash algorithm of sha256, and Thumbprint algorith: sha1.

            Also, the private key is a RSA PRIVATE KEY with Proc-Type: 4,ENCRYPTED and DEK-Info: DES-EDE3-CBC.

            I am not sure what is going on, because HTTPS works fine on our development servers.

            1. Is the problem in HapiJS?
            2. Is the problem with the certificate or key themselves?
            3. Is there an Node option I need to be passing in when creating the service?

            Please help.

            ...

            ANSWER

            Answered 2021-Aug-21 at 05:00

            The specified error 06065064:digital envelope routines:EVP_Decryptfinal_ex:bad decrypt occurs in an SSL/TLS connection using OpenSSL (which is what nodejs modules like tls and https actually use) when the privatekey is encrypted (with a passphrase) and the correct passphrase is not provided to decrypt it. The described file format, beginning with a line -----BEGIN RSA PRIVATE KEY----- followed by lines Proc-Type: and DEK-Info: is indeed one of the encrypted formats used by OpenSSL. Specifically this is the encrypted 'traditional' or 'legacy' format; the PKSC8 format added about 2000 but still considered new(!) uses -----BEGIN ENCRYPTED PRIVATE KEY----- and no 822-style headers, only base64 (of the encrypted structure defined by PKCS8); see ursinely-verbose https://security.stackexchange.com/questions/39279/stronger-encryption-for-ssh-keys/#52564 about OpenSSH's use of OpenSSL, which is basically the same as nodejs's use.

            The tls module and others that build on it including https ultimately read the key(s) and cert(s) using tls.createSecureContext which accepts in options a member passphrase, or if you need to use multiple keys (and certs) you can provide a passphrase for each key as described in the linked doc.

            Alternatively you can avoid the need for a passphrase by converting the key to an unencrypted file, if acceptable under applicable security policies and regulations. (Good policies may prohibit this, but they usually also prohibit getting the privatekey from or providing it to any other system, especially one 'online' somewhere, and your customer is doing the latter.) To retain traditional format do

            Source https://stackoverflow.com/questions/68823188

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            Vulnerabilities

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            Install portal

            You can download it from GitHub.

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            Portal uses govendor to manage dependencies. After clone, run govendor sync to ensure you have the proper dependencies prior to building.
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            https://github.com/nanopack/portal.git

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            gh repo clone nanopack/portal

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            git@github.com:nanopack/portal.git

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