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Gopherciser

CircleCI

Gopherciser logo

Gopherciser is used for load testing (that is, stress testing and performance measurement) in Qlik Sense® Enterprise deployments. It is based on enigma-go, which is a library for communication with the Qlik® Associative Engine.

Gopherciser can run standalone, but is also included in the Qlik Sense Enterprise Scalability Tools (QSEST), which are available for download here.

More information on Gopherciser is available here:

Building Gopherciser

Prerequisites

Golang build environment

Gopherciser requires a Golang 1.13 build environment or later.

Installing tools

Note: Since Gopherciser uses Go modules, do not install tools using the go get command while inside the Gopherciser repository.

To install tools, use the cd command to leave the Gopherciser repository directory and then use go get.

Windows-specific prerequisites

If you use Git Bash, but do not have make.exe installed, do the following to install it:

  1. Go to ezwinports.
  2. Download make-4.x-y-without-guile-w32-bin.zip (make sure to get the version without guile).
  3. Extract the ZIP file.
  4. Copy the contents to the Git\mingw64\ directory (the default location of mingw64 is C:\Program Files\Git\mingw64), but do not overwrite or replace any existing files.

Building the documentation

The documentation can be generated from json with:

go generate

For more information, see Generating Gopherciser documentation.

Build commands

Full build

You can build Gopherciser locally using the make command:

make build

This produces Linux, Darwin and Microsoft Windows binaries in the build folder.

Quick build

make quickbuild

This leaves the build folders as-is before building (that is, no cleaning is done etc.) and produces a build for the local operating system only.

To do a cleaning before building, run make clean.

Test commands

Running normal tests

You can run tests using the make command:

make test

This runs all normal tests.

Running all tests

make alltests

This runs all tests with verbose output and without relying on cache.

Updating Gopherciser dependencies

Do the following:

  1. Update the modules:
    • go get -u: Update the modules to the most recent minor or patch version.
    • go get -u=patch: Update the modules to the latest patch for minor version.
    • go get github.com/some/[email protected]: Get a particular version.
  2. Run go mod tidy to remove any unused modules.
  3. Run go mod verify to add packages needed for test packages etc.

Pulling the Docker image

Unfortunately, the GitHub packages Docker repo is not very "public" (see this community thread). This means a Docker login is needed before the images can be pulled.

Do the following:

  1. Create a new token with the scope read:packages here.
  2. Save your token to, for example, a file (or use an environment variable or similar).
  3. Log in with Docker to docker.pkg.github.com.

Using a token stored in the file github.token:

docker login -u yourgithubusername --password=$(cat github.token) docker.pkg.github.com

Using the token in the environmental variable GITHUB_TOKEN:

docker login -u yourgithubusername --password=$GITHUB_TOKEN docker.pkg.github.com
  1. Pull the Docker image.

The latest master version:

docker pull docker.pkg.github.com/qlik-oss/gopherciser/gopherciser:latest

Specific released version:

docker pull docker.pkg.github.com/qlik-oss/gopherciser/gopherciser:0.4.10

Using the image in Kubernetes

To use the image in Kubernetes (for example, to perform executions as part of a Kubernetes job), credentials for the GitHub package registry need to be added the same way a private registry is used, see documentation here.