---
# yaml-language-server: $schema=https://taskfile.dev/schema.json
version: '3'

vars:
  GITHUB_DEPLOY_KEY_FILE: '{{.KUBERNETES_DIR}}/bootstrap/flux/github-deploy-key.sops.yaml'
  TALHELPER_CLUSTER_DIR: '{{.KUBERNETES_DIR}}/bootstrap/talos/clusterconfig'
  TALHELPER_SECRET_FILE: '{{.KUBERNETES_DIR}}/bootstrap/talos/talsecret.sops.yaml'
  TALHELPER_CONFIG_FILE: '{{.KUBERNETES_DIR}}/bootstrap/talos/talconfig.yaml'

env:
  TALOSCONFIG: '{{.TALHELPER_CLUSTER_DIR}}/talosconfig'

tasks:

  talos:
    desc: Bootstrap the Talos cluster
    dir: '{{.KUBERNETES_DIR}}/bootstrap/talos'
    cmds:
      - '{{if eq .TALHELPER_SECRET_EXISTS "false"}}talhelper gensecret > {{.TALHELPER_SECRET_FILE}}{{end}}'
      - '{{if eq .TALHELPER_SECRET_EXISTS "false"}}sops --encrypt --in-place {{.TALHELPER_SECRET_FILE}}{{end}}'
      - talhelper genconfig --config-file {{.TALHELPER_CONFIG_FILE}} --secret-file {{.TALHELPER_SECRET_FILE}} --out-dir {{.TALHELPER_CLUSTER_DIR}}
      - talhelper gencommand apply --config-file {{.TALHELPER_CONFIG_FILE}} --out-dir {{.TALHELPER_CLUSTER_DIR}} --extra-flags="--insecure" | bash
      - until talhelper gencommand bootstrap --config-file {{.TALHELPER_CONFIG_FILE}} --out-dir {{.TALHELPER_CLUSTER_DIR}} | bash; do sleep 10; done
      - until talhelper gencommand kubeconfig --config-file {{.TALHELPER_CONFIG_FILE}} --out-dir {{.TALHELPER_CLUSTER_DIR}} --extra-flags="{{.ROOT_DIR}} --force" | bash; do sleep 10; done
      - task: apps
      - talosctl health --server=false
    vars:
      TALHELPER_SECRET_EXISTS:
        sh: test -f {{.TALHELPER_SECRET_FILE}} && echo true || echo false
    preconditions:
      - msg: Missing talhelper config file
        sh: test -f {{.TALHELPER_CONFIG_FILE}}
      - msg: Missing Sops config file
        sh: test -f {{.SOPS_CONFIG_FILE}}
      - msg: Missing Sops Age key file
        sh: test -f {{.SOPS_AGE_KEY_FILE}}

  flux:
    desc: Bootstrap Flux into the Talos cluster
    cmds:
      - '{{if eq .GITHUB_DEPLOY_KEY_EXISTS "true"}}kubectl create namespace flux-system --dry-run=client -o yaml | kubectl apply --filename -{{end}}'
      - '{{if eq .GITHUB_DEPLOY_KEY_EXISTS "true"}}sops exec-file {{.GITHUB_DEPLOY_KEY_FILE}} "kubectl apply --server-side --filename {}"{{end}}'
      - kubectl apply --server-side --kustomize {{.KUBERNETES_DIR}}/bootstrap/flux
      - '{{if eq .SOPS_SECRET_EXISTS "false"}}cat {{.SOPS_AGE_KEY_FILE}} | kubectl --namespace flux-system create secret generic sops-age --from-file=age.agekey=/dev/stdin{{end}}'
      - sops exec-file {{.KUBERNETES_DIR}}/flux/vars/cluster-secrets.sops.yaml "kubectl apply --server-side --filename {}"
      - kubectl apply --server-side --filename {{.KUBERNETES_DIR}}/flux/vars/cluster-settings.yaml
      - kubectl apply --server-side --kustomize {{.KUBERNETES_DIR}}/flux/config
    vars:
      GITHUB_DEPLOY_KEY_EXISTS:
        sh: test -f {{.GITHUB_DEPLOY_KEY_FILE}} && echo true || echo false
      SOPS_SECRET_EXISTS:
        sh: kubectl --namespace flux-system get secret sops-age &>/dev/null && echo true || echo false
    preconditions:
      - msg: Missing kubeconfig
        sh: test -f {{.KUBECONFIG}}
      - msg: Missing Sops Age key file
        sh: test -f {{.SOPS_AGE_KEY_FILE}}

  apps:
    internal: true
    dir: '{{.KUBERNETES_DIR}}/bootstrap/talos'
    cmds:
      - until kubectl wait --for=condition=Ready=False nodes --all --timeout=600s; do sleep 10; done
      - helmfile --file {{.KUBERNETES_DIR}}/bootstrap/helmfile.yaml apply --skip-diff-on-install --suppress-diff
      - until kubectl wait --for=condition=Ready nodes --all --timeout=600s; do sleep 10; done
    preconditions:
      - msg: Missing kubeconfig
        sh: test -f {{.KUBECONFIG}}
      - msg: Missing helmfile
        sh: test -f {{.KUBERNETES_DIR}}/bootstrap/helmfile.yaml

  age-keygen:
    desc: Bootstrap the Sops Age key
    cmd: age-keygen --output {{.SOPS_AGE_KEY_FILE}}
    status:
      - test -f {{.SOPS_AGE_KEY_FILE}}

  encrypt:
    desc: Encrypt all Kubernetes SOPS secrets
    cmd: |
      find "{{.KUBERNETES_DIR}}" -type f -name "*.sops.*" | while read -r file; do
          if sops filestatus "${file}" | jq --exit-status ".encrypted == false" &>/dev/null; then
              sops --encrypt --in-place "${file}"
          fi
      done
    preconditions:
      - msg: Missing Sops config file
        sh: test -f {{.SOPS_CONFIG_FILE}}
      - msg: Missing Sops Age key file
        sh: test -f {{.SOPS_AGE_KEY_FILE}}

  clean:
    desc: Clean files and directories no longer needed after cluster bootstrap
    cmds:
      # Create backup directory
      - mkdir -p {{.ROOT_DIR}}/.private
      # Clean up CI
      - rm -rf {{.ROOT_DIR}}/.github/tests
      - rm -rf {{.ROOT_DIR}}/.github/workflows/e2e.yaml
      # Clean up devcontainer
      - rm -rf {{.ROOT_DIR}}/.devcontainer/ci
      - rm -rf {{.ROOT_DIR}}/.github/workflows/devcontainer.yaml
      # Move bootstrap directory to gitignored directory
      - mv {{.BOOTSTRAP_DIR}} {{.ROOT_DIR}}/.private/bootstrap-{{.TS}}
      - mv {{.MAKEJINJA_CONFIG_FILE}} {{.ROOT_DIR}}/.private/makejinja-{{.TS}}.toml
      # Update renovate.json5
      - sed -i {{if eq OS "darwin"}}''{{end}} 's/(..\.j2)\?//g' {{.ROOT_DIR}}/.github/renovate.json5
    vars:
      TS: '{{now | unixEpoch}}'
    preconditions:
      - msg: Missing bootstrap directory
        sh: test -d {{.BOOTSTRAP_DIR}}
      - msg: Missing Renovate config file
        sh: test -f {{.ROOT_DIR}}/.github/renovate.json5