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https://github.com/edgelesssys/constellation.git
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52 lines
1.5 KiB
YAML
52 lines
1.5 KiB
YAML
name: Emergency ssh
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description: "Verify that an emergency ssh connection can be established."
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inputs:
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workspace:
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description: "The constellation workspace directory."
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required: true
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kubeconfig:
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description: "The kubeconfig file for the cluster."
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required: true
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runs:
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using: "composite"
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steps:
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- name: Test emergency ssh
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shell: bash
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env:
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KUBECONFIG: ${{ inputs.kubeconfig }}
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run: |
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# Activate emergency ssh access to the cluster
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pushd ./constellation-terraform
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echo "emergency_ssh = true" >> terraform.tfvars
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terraform apply -auto-approve
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lb="$(terraform output -raw loadbalancer_address)"
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popd
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# write ssh config
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cat > ssh_config <<EOF
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Host $lb
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ProxyJump none
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Host *
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StrictHostKeyChecking no
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UserKnownHostsFile=/dev/null
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IdentityFile ./access-key
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PreferredAuthentications publickey
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CertificateFile=constellation_cert.pub
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User root
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ProxyJump $lb
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EOF
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cat ssh_config
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# generate and try keypair
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ssh-keygen -t ecdsa -q -N "" -f ./access-key
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constellation ssh --debug --key ./access-key.pub
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internalIPs="$(kubectl get nodes -o=jsonpath='{.items[*].status.addresses}' | jq -r '.[] | select(.type == "InternalIP") | .address')"
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for ip in $internalIPs; do
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echo "Trying connection to $ip over $lb"
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ssh -F ssh_config -o BatchMode=yes $ip true
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done
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