mirror of https://github.com/linkerd/linkerd2.git
155 lines
3.8 KiB
Bash
Executable File
155 lines
3.8 KiB
Bash
Executable File
#!/bin/bash
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### Install PR ###
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#
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# This script takes a Github pull request number as an argument, downloads the
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# docker images from the pull request's artifacts, pushes them, and installs
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# them on your Kubernetes cluster. Requires a Github personal access token
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# in the $GITHUB_TOKEN environment variable.
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set -eo pipefail
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# Read script flags and arguments
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while :
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do
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case $1 in
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-h|--help)
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echo "Install Linkerd with the changes made in a GitHub Pull Request."
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echo ""
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echo "Usage:"
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echo " --context: The name of the kubeconfig context to use"
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echo ""
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echo " # Install Linkerd into the current cluster"
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echo " bin/install-pr 1234"
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echo ""
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echo " # Install Linkerd into the current KinD cluster"
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echo " bin/install-pr [-k|--kind] 1234"
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echo ""
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echo " # Install Linkerd into the 'kind-pr-1234' KinD cluster"
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echo " bin/install-pr [-k|--kind] --context kind-pr-1234 1234"
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exit 0
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;;
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--context)
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context=$2
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shift
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;;
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-k|--kind)
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is_kind=1
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;;
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-?*)
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echo "Error: Unknown option: $1" >&2
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exit 1
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;;
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*)
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break
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esac
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shift
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done
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pr=$1
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if [ -z "$pr" ]
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then
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echo "Error: ${0##*/} accepts 1 argument" >&2
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echo "Usage:" >&2
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echo " ${0##*/} ####" >&2
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exit 1
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fi
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if [ -z "$GITHUB_TOKEN" ]
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then
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# shellcheck disable=SC2016
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echo 'Error: Generate a personal access token at https://github.com/settings/tokens and set it in the $GITHUB_TOKEN env var'
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exit 1
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fi
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linkerd2_pulls_url="https://api.github.com/repos/linkerd/linkerd2/pulls"
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linkerd2_kind_integration_url="https://api.github.com/repos/linkerd/linkerd2/actions/workflows/kind_integration.yml"
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# Get the URL for downloading the artifacts archive
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auth="Authorization: token $GITHUB_TOKEN"
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branch=$(curl -sL -H "$auth" "$linkerd2_pulls_url/$pr" | jq -r '.head.ref')
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artifacts=$(curl -sL -H "$auth" "$linkerd2_kind_integration_url/runs?branch=$branch" | jq -r '.workflow_runs[0].artifacts_url')
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archive=$(curl -sL -H "$auth" "$artifacts" | jq -r '.artifacts[0].archive_download_url')
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bindir=$( cd "${BASH_SOURCE[0]%/*}" && pwd )
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dir=$(mktemp -d -t "linkerd-pr-$pr.XXXXXXXXXX")
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cd "$dir" || exit
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echo "### Downloading images ###"
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curl -L -o archive.zip -H "$auth" "$archive"
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unzip -o archive.zip
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echo "### Loading images into Docker ###"
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image=$(docker load -i cli-bin.tar | sed 's/Loaded image: //')
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tag=$(echo "$image" | cut -f 2 -d ":")
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if [ $is_kind ]
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then
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# KinD context strings are created by prepending `kind-` to the cluster name
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if [ "$context" ]
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then
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name=$(echo "$context" | sed -n -E "s/(kind)-(.*)/\2/p")
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fi
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for image in cni-plugin controller debug grafana proxy web
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do
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"$bindir"/kind load image-archive ${name:+'--name' "$name"} $image.tar || touch load_fail &
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done
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# Wait for `kind load` background processes to complete; exit early if any
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# job failed
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wait < <(jobs -p)
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if [ -f load_fail ]
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then
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echo "Loading docker images into KinD cluster failed."
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exit 1
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fi
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else
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for image in cni-plugin controller debug grafana proxy web
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do
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image=$(docker load -i "$image.tar" | sed 's/Loaded image: //')
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docker push "$image"
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done
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fi
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cd -
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rm -rf "$dir"
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case $(uname) in
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Darwin)
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platform="darwin"
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;;
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Linux)
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platform="linux"
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;;
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*)
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platform="windows"
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;;
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esac
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linkerd=$("$bindir"/docker-pull-binaries "$tag" | awk -v platform=$platform '$0 ~ platform')
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echo "### Pre checks ###"
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(
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set -x
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"$linkerd" ${context:+'--context' "$context"} check --pre
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)
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echo "### Installing $tag ###"
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(
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set -x
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"$linkerd" ${context:+'--context' "$context"} install | kubectl ${context:+'--context' "$context"} apply -f -
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"$linkerd" ${context:+'--context' "$context"} check
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)
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echo ""
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echo "Linkerd installed. CLI available:"
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echo "$linkerd"
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