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https://github.com/edgelesssys/constellation.git
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114 lines
4.6 KiB
YAML
114 lines
4.6 KiB
YAML
name: Constellation measure
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description: |
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Create measurements of a Constellation cluster and print to stdout.
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Optionally sign and/or upload to S3, if corresponding inputs are provided.
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inputs:
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cloudProvider:
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description: "Either 'gcp' or 'azure'."
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required: true
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cosignPublicKey:
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description: "Cosign public key"
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required: false
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default: ""
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cosignPrivateKey:
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description: "Cosign private key"
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required: false
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default: ""
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cosignPassword:
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description: "Password for Cosign private key"
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required: false
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default: ""
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awsAccessKeyID:
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description: "AWS access key ID to upload measurements"
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required: false
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default: ""
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awsSecretAccessKey:
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description: "AWS secret access key to upload measurements"
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required: false
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default: ""
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awsDefaultRegion:
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description: "AWS region of S3 bucket to upload measurements"
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required: false
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default: ""
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awsBucketName:
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description: "S3 bucket name to upload measurements to"
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required: false
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default: ""
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runs:
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using: "composite"
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steps:
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- name: Build hack/pcr-reader
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run: |
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go build .
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echo "$(pwd)" >> $GITHUB_PATH
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working-directory: hack/pcr-reader
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shell: bash
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# Check /docs/secure_software_distribution.md#sign-measurements
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# for why we ignore certain measurement values.
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- name: Fetch PCRs
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run: |
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KUBECONFIG="$PWD/constellation-admin.conf" kubectl rollout status ds/verification-service -n kube-system --timeout=3m
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CONSTELL_IP=$(jq -r ".bootstrapperhost" constellation-state.json)
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pcr-reader --constell-ip ${CONSTELL_IP} -format yaml > measurements.yaml
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case $CSP in
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azure)
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yq e 'del(.[0,6,10,11,12,13,14,15,16,17,18,19,20,21,22,23])' -i measurements.yaml
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;;
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gcp)
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yq e 'del(.[11,12,13,14,15,16,17,18,19,20,21,22,23])' -i measurements.yaml
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;;
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esac
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cat measurements.yaml
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shell: bash
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env:
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CSP: ${{ inputs.cloudProvider }}
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# TODO: Replace with https://github.com/sigstore/sigstore-installer/tree/initial
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# once it has the functionality
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- name: Install Cosign
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uses: sigstore/cosign-installer@9becc617647dfa20ae7b1151972e9b3a2c338a2b # tag=v2.8.1
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if: ${{ inputs.cosignPublicKey != '' && inputs.cosignPrivateKey != '' && inputs.cosignPassword != '' }}
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- name: Install Rekor
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run: |
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curl -sLO https://github.com/sigstore/rekor/releases/download/v0.12.0/rekor-cli-linux-amd64
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sudo install rekor-cli-linux-amd64 /usr/local/bin/rekor-cli
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rm rekor-cli-linux-amd64
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shell: bash
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if: ${{ inputs.cosignPublicKey != '' && inputs.cosignPrivateKey != '' && inputs.cosignPassword != '' }}
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- name: Sign measurements
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run: |
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echo "$COSIGN_PUBLIC_KEY" > cosign.pub
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# Enabling experimental mode also publishes signature to Rekor
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COSIGN_EXPERIMENTAL=1 cosign sign-blob --key env://COSIGN_PRIVATE_KEY measurements.yaml > measurements.yaml.sig
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# Verify - As documentation & check
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# Local Signature (input: artifact, key, signature)
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cosign verify-blob --key cosign.pub --signature measurements.yaml.sig measurements.yaml
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# Transparency Log Signature (input: artifact, key)
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uuid=$(rekor-cli search --artifact measurements.yaml | tail -n 1)
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sig=$(rekor-cli get --uuid=$uuid --format=json | jq -r .Body.HashedRekordObj.signature.content)
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cosign verify-blob --key cosign.pub --signature <(echo $sig) measurements.yaml
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shell: bash
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env:
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COSIGN_PUBLIC_KEY: ${{ inputs.cosignPublicKey }}
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COSIGN_PRIVATE_KEY: ${{ inputs.cosignPrivateKey }}
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COSIGN_PASSWORD: ${{ inputs.cosignPassword }}
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if: ${{ inputs.cosignPublicKey != '' && inputs.cosignPrivateKey != '' && inputs.cosignPassword != '' }}
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- name: Upload to S3
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run: |
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IMAGE=$(yq e ".provider.${CSP}.image" constellation-conf.yaml)
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S3_PATH=s3://${PUBLIC_BUCKET_NAME}/${IMAGE}
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aws s3 cp measurements.yaml ${S3_PATH}/measurements.yaml
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if test -f measurements.yaml.sig; then
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aws s3 cp measurements.yaml.sig ${S3_PATH}/measurements.yaml.sig
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fi
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shell: bash
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env:
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AWS_ACCESS_KEY_ID: ${{ inputs.awsAccessKeyID }}
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AWS_SECRET_ACCESS_KEY: ${{ inputs.awsSecretAccessKey }}
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AWS_DEFAULT_REGION: ${{ inputs.awsDefaultRegion }}
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PUBLIC_BUCKET_NAME: ${{ inputs.awsBucketName }}
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CSP: ${{ inputs.cloudProvider }}
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if: ${{ inputs.awsAccessKeyID != '' && inputs.awsSecretAccessKey != '' && inputs.awsDefaultRegion != '' && inputs.awsBucketName != '' }}
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