76 lines
2.1 KiB
YAML
76 lines
2.1 KiB
YAML
name: Setup kubectl
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description: "Reads kube config from inputs and sets kube config"
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inputs:
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kube_server:
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description: "Kubernetes server address and port. Example (https://serverip:6443)"
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required: true
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kube_ca_base64:
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description: "Base64-encoded Kubernetes cluster CA certificate"
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required: true
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kube_token:
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description: "Kubernetes ServiceAccount token"
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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: Create kubeconfig
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shell: bash
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run: |
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set -euo pipefail
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# check arguments
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ERROR=0
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if [ -z "${{ inputs.kube_server }}" ]; then
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echo "❌ ERROR: kube_server input is empty or not set"
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$ERROR=1
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fi
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if [ -z "${{ inputs.kube_ca_base64 }}" ]; then
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echo "❌ ERROR: kube_ca_base64 input is empty or not set"
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$ERROR=1
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fi
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if [ -z "${{ inputs.kube_server }}" ]; then
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echo "❌ ERROR: kube_token input is empty or not set"
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$ERROR=1
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fi
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if [ "$ERROR" != 0 ]; then
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echo "❌ ERROR code $ERROR"
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exit "$ERROR"
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fi
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# end check arguments
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# creates kube config
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mkdir -p "${GITHUB_TEMP}/.kube"
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cat <<EOF > "${GITHUB_TEMP}/.kube/config"
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apiVersion: v1
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kind: Config
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clusters:
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- cluster:
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certificate-authority-data: ${{ inputs.kube_ca_base64 }}
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server: ${{ inputs.kube_server }}
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name: cluster
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contexts:
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- context:
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cluster: cluster
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namespace: default
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user: user
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name: context
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current-context: context
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users:
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- name: user
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user:
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token: ${{ inputs.kube_token }}
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EOF
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# sets KUBECONFIG environment variable
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echo "KUBECONFIG=${GITHUB_TEMP}/.kube/config" >> "${GITHUB_ENV}"
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# tests communication to server (add v argument if debug is required)
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curl -kv -cacert <(echo "${{ inputs.kube_ca_base64 }}" | base64 -d) -H "Authorization: Bearer ${{ inputs.kube_token }}" ${{ inputs.kube_server }}/version
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