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| * Name, e.g., "registry-proxy" * Zone "us-east1-b" (so you can follow exactly this guide later) * Machine Type "micro" * Boot Disk "Ubuntu 18.04 LTS" & Change the disk size to 128GB. * Keep Defaults for everything else, and click "Create" 1. Wait for your machine to boot and click the "SSH" button to connect. * sudo su * apt-get update * apt-get install -y docker.io * docker run -d -p 6000:5000 -e REGISTRY_PROXY_REMOTEURL=https://registry-1.docker.io --restart always --name registry registry:2 * exit * exit 1. Go to "Compute Engine" → "VM Instance" → "Create Instance". |
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| * Select "Allow full access to all Cloud APIs" | |
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| {{{ | |
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| * base=https://github.com/docker/machine/releases/download/v0.14.0 && | * base=https://github.com/docker/machine/releases/download/v0.14.0 |
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| * NAME=gce-jrueth # a *short* name that contains gce and your username * export REGISTER_LOCKED=true |
* NAME=gce-jrueth # a *short* name that contains gce and your username (and only lowercase characters and hyphens) * export REGISTER_LOCKED=false |
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| * for region in $REGIONS;do gitlab-runner register --tag-list do,sta ndard-4 --run-untagged --name $NAME-$region --limit 2 --executor docker+machine --env "DOCKER_DRIVER=overlay2" --docker-privileged --url https://gitlab.com -- non-interactive --docker-image docker:latest --docker-volumes "/var/run/docker. sock:/var/run/docker.sock" --docker-volumes "/dev/urandom:/dev/random" --docker -shm-size 2147483648 --machine-machine-driver google --machine-idle-time 600 -- machine-machine-name "$NAME-%s" --machine-machine-options "google-project=$PROJ ECT","google-machine-type=n1-standard-4","google-machine-image=coreos-cloud/glo bal/images/family/coreos-stable","google-tags=gitlab-ci-slave","google-preempti ble=true","google-zone=$region","google-use-internal-ip=true","google-disk-type =pd-standard","google-disk-size=64"; done |
* for region in $REGIONS;do gitlab-runner register --tag-list do,standard-4 --run-untagged --name $NAME-$region --limit 2 --executor docker+machine --env "DOCKER_DRIVER=overlay2" --docker-privileged --url https://gitlab.com --non-interactive --docker-image docker:latest --docker-volumes "/var/run/docker.sock:/var/run/docker.sock" --docker-volumes "/dev/urandom:/dev/random" --docker-shm-size 2147483648 --machine-machine-driver google --machine-idle-time 600 --machine-machine-name "$NAME-%s" --machine-machine-options "google-project=$PROJECT","google-machine-type=n1-standard-4","google-machine-image=coreos-cloud/global/images/family/coreos-stable","google-tags=gitlab-ci-slave","google-preemptible=true","google-zone=$region","google-use-internal-ip=true","google-disk-type=pd-standard","google-disk-size=64"; done * vim /etc/gitlab-runner/config.toml * replace concurrent=1 with concurrent=99 |
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| * exit * exit }}} TODO: There is some room for improvement here. These instances do not support caches (we do not use caching currently) and they always pull the sagemath-dev images from the registry which incurs quite a bit of ingress cost. |
In April 2018 we started to experiment more seriously with GitLab and GitLab CI.
GitLab CI
Support for GitLab CI was added in https://trac.sagemath.org/ticket/24655.
Free Runners with Google Compute Engine
Currently, Google gives everybody who signs up $300 of credit for 12 months. They won't charge you unless you explicitly upgrade, and there are a few limitations (e.g, at most 8 CPUs per regions.) Btw., they don't charge you if you upgrade unless you run out of the free credit.
- Sign up at cloud.google.com (you might want to use an account that you don't use for anything else on cloud.google.com, so your quotas do not interfere with what we are doing here…)
- Go to "Compute Engine" → "VM Instance" → "Create Instance".
- Name, e.g., "gitlabci-orchestrator"
- Zone "us-east1-b"
- Machine Type "micro"
- Boot Disk "Ubuntu 18.04 LTS"
- Select "Allow full access to all Cloud APIs"
- Keep Defaults for everything else, and click "Create"
- Wait for your machine to boot and click the "SSH" button to connect.
* sudo su * apt-get update * apt-get install -y gitlab-runner docker.io * base=https://github.com/docker/machine/releases/download/v0.14.0 * curl -L $base/docker-machine-$(uname -s)-$(uname -m) >/tmp/docker-machine * install /tmp/docker-machine /usr/local/bin/docker-machine * REGIONS="us-east4-c us-central1-c us-west1-c europe-west4-c europe-west1-c europe-west2-c europe-west3-c asia-east1-c asia-southeast1-a asia-northeast1-c asia-south1-c australia-southeast1-c" # for a maximum of 12*8+2 CPUs * export REGISTRATION_TOKEN=TX-uvssj6AeA1xthsqSH * NAME=gce-jrueth # a *short* name that contains gce and your username (and only lowercase characters and hyphens) * export REGISTER_LOCKED=false * PROJECT=tidy-scholar-202621 # the name of the google cloud project (click no "My First Project" to find out) * for region in $REGIONS;do gitlab-runner register --tag-list do,standard-4 --run-untagged --name $NAME-$region --limit 2 --executor docker+machine --env "DOCKER_DRIVER=overlay2" --docker-privileged --url https://gitlab.com --non-interactive --docker-image docker:latest --docker-volumes "/var/run/docker.sock:/var/run/docker.sock" --docker-volumes "/dev/urandom:/dev/random" --docker-shm-size 2147483648 --machine-machine-driver google --machine-idle-time 600 --machine-machine-name "$NAME-%s" --machine-machine-options "google-project=$PROJECT","google-machine-type=n1-standard-4","google-machine-image=coreos-cloud/global/images/family/coreos-stable","google-tags=gitlab-ci-slave","google-preemptible=true","google-zone=$region","google-use-internal-ip=true","google-disk-type=pd-standard","google-disk-size=64"; done * vim /etc/gitlab-runner/config.toml * replace concurrent=1 with concurrent=99 * systemctl restart gitlab-runner * exit * exit
TODO: There is some room for improvement here. These instances do not support caches (we do not use caching currently) and they always pull the sagemath-dev images from the registry which incurs quite a bit of ingress cost.