---
- name: Deploy 03-02 Traefik ACME (HelmChartConfig)
  hosts: k3s_server
  become: true
  run_once: true
  vars:
    k3s_kubeconfig: /etc/rancher/k3s/k3s.yaml
    manifest_src: "{{ playbook_dir }}/../../files/03-02/traefik-acme.yaml"
    manifest_dest: /tmp/traefik-acme.yaml
    acme_email: "{{ lookup('env', 'ACME_EMAIL') | default('', true) }}"
    cf_api_token: "{{ lookup('env', 'CF_API_TOKEN') | default('', true) }}"
  tasks:
    - name: "Gate - skip apply when ACME_EMAIL missing"
      when: acme_email | trim == ""
      ansible.builtin.include_role:
        name: verify_common
        tasks_from: gate-debug-end-play.yml
      vars:
        verify_gate_message: "[GATE] skipped doc_id=03-02 reason=missing_env missing=ACME_EMAIL"

    - name: Copy manifest
      ansible.builtin.copy:
        src: "{{ manifest_src }}"
        dest: "{{ manifest_dest }}"
        mode: "0644"

    - name: Replace ACME email placeholder
      ansible.builtin.replace:
        path: "{{ manifest_dest }}"
        regexp: "<YOUR_REAL_EMAIL>"
        replace: "{{ acme_email | trim }}"

    - name: Enable ACME staging CA when ACME_CA_STAGING=1
      when: (lookup('env', 'ACME_CA_STAGING') | default('0', true) | trim) == "1"
      ansible.builtin.replace:
        path: "{{ manifest_dest }}"
        regexp: '^\s*# - "--certificatesresolvers\.cloudflare\.acme\.caserver=https://acme-staging-v02\.api\.letsencrypt\.org/directory".*$'
        replace: '      - "--certificatesresolvers.cloudflare.acme.caserver=https://acme-staging-v02.api.letsencrypt.org/directory"'

    - name: Ensure Cloudflare API token Secret before Traefik ACME apply
      when: (cf_api_token | trim | length) > 0
      ansible.builtin.include_role:
        name: verify_common
        tasks_from: ensure-cloudflare-api-token-secret.yml
      vars:
        verify_cf_api_token: "{{ cf_api_token | trim }}"

    - name: Apply manifest
      ansible.builtin.shell: |
        set -e
        KUBECONFIG={{ k3s_kubeconfig }} kubectl apply -f {{ manifest_dest }}
      args:
        executable: /bin/bash
      changed_when: true

- name: Deploy or cleanup nginx matrix TLS (opt-in)
  hosts: k3s_server
  become: true
  run_once: true
  vars:
    k3s_kubeconfig: /etc/rancher/k3s/k3s.yaml
    _nginx_matrix_tls_enable: "{{ nginx_matrix_tls_enable | default((lookup('env', 'NGINX_MATRIX_TLS_ENABLE') | default('', true) | trim | lower in ['true', '1', 'yes']) | bool) }}"
    nginx_matrix_tls_enabled: "{{ _nginx_matrix_tls_enable | bool }}"
    manifests_path: "{{ playbook_dir }}/../../files/03-02"
    tls_domains:
      - test01.jackadam.top
      - test02.jackadam.top
      - test03.jackadam.top
      - test04.jackadam.top
  pre_tasks:
    - name: Gate - skip nginx matrix TLS when nginx_matrix_tls_enable=false
      when: not nginx_matrix_tls_enabled
      block:
        - ansible.builtin.debug:
            msg: "[SKIP] optional doc_id=03-02 action=nginx-matrix-tls var=nginx_matrix_tls_enable"
        - meta: end_play
  tasks:
    - name: Deploy nginx matrix TLS (mode=deploy)
      when: (mode | default('deploy')) == 'deploy'
      block:
        - name: Ensure manifests path exists (controller repo path)
          ansible.builtin.stat:
            path: "{{ manifests_path }}"
          register: manifests_stat
          delegate_to: localhost
          become: false
          run_once: true

        - name: Fail if manifests not found
          ansible.builtin.fail:
            msg: "manifests 未找到: {{ manifests_path }}，请从仓库根目录或 ansible 同级执行"
          when: not manifests_stat.stat.exists
          delegate_to: localhost
          become: false
          run_once: true

        - name: Ensure control-plane label on k3s_server nodes (for M1)
          ansible.builtin.shell: |
            KUBECONFIG={{ k3s_kubeconfig }} kubectl label node {{ item }} node-role.kubernetes.io/control-plane= --overwrite
          loop: "{{ groups['k3s_server'] | default([]) }}"

        - name: Ensure worker label on k3s_worker nodes (for M3)
          ansible.builtin.shell: |
            KUBECONFIG={{ k3s_kubeconfig }} kubectl label node {{ item }} node-role.kubernetes.io/worker= --overwrite
          loop: "{{ groups['k3s_worker'] | default([]) }}"

        - name: Copy nginx matrix TLS manifests to server
          ansible.builtin.copy:
            src: "{{ manifests_path }}/"
            dest: /tmp/nginx-matrix-tls/
            mode: "0644"

        - name: Delete non-TLS nginx matrix if present (deployments, ingress, ingressroute, middleware, configmaps)
          ansible.builtin.shell: |
            KUBECONFIG={{ k3s_kubeconfig }} kubectl delete deployment,svc -n default nginx-m1 nginx-m2 nginx-m3 nginx-m4 --ignore-not-found=true
            KUBECONFIG={{ k3s_kubeconfig }} kubectl delete ingress -n default nginx-m1 nginx-m3 --ignore-not-found=true
            KUBECONFIG={{ k3s_kubeconfig }} kubectl delete ingressroute -n default nginx-m2 nginx-m4 --ignore-not-found=true
            KUBECONFIG={{ k3s_kubeconfig }} kubectl delete middleware -n default stripprefix-m1 stripprefix-m2 stripprefix-m3 stripprefix-m4 --ignore-not-found=true
            KUBECONFIG={{ k3s_kubeconfig }} kubectl delete configmap -n default nginx-m1-html nginx-m2-html nginx-m3-html nginx-m4-html --ignore-not-found=true
          register: del_non_tls
          changed_when: "'deleted' in del_non_tls.stdout"

        - name: kubectl apply nginx matrix TLS + HTTP-only
          ansible.builtin.shell: KUBECONFIG={{ k3s_kubeconfig }} kubectl apply -f /tmp/nginx-matrix-tls/ -R
          register: k8s_apply
          changed_when: "'configured' in k8s_apply.stdout or 'created' in k8s_apply.stdout"

        - name: Restart nginx deployments so pods pick up ConfigMap (M1～M4 标识)
          ansible.builtin.shell: KUBECONFIG={{ k3s_kubeconfig }} kubectl rollout restart deployment nginx-m1 nginx-m2 nginx-m3 nginx-m4 -n default
          changed_when: true

        - name: Wait for nginx rollouts stable after ConfigMap restart
          ansible.builtin.shell: |
            set -euo pipefail
            KCFG={{ k3s_kubeconfig | quote }}
            export KUBECONFIG="$KCFG"
            for dep in nginx-m1 nginx-m2; do
              echo "[OC-ASSERT] assertion=nginx_matrix_tls_rollout deployment=${dep} timeout=60s"
              kubectl rollout status "deployment/$dep" -n default --timeout=60s
            done
            for dep in nginx-m3 nginx-m4; do
              echo "[OC-ASSERT] assertion=nginx_matrix_tls_rollout deployment=${dep} timeout=120s"
              kubectl rollout status "deployment/$dep" -n default --timeout=120s
            done
          args:
            executable: /bin/bash
          changed_when: false

        - name: Verify nginx matrix TLS resources
          ansible.builtin.shell: KUBECONFIG={{ k3s_kubeconfig }} kubectl get pod,svc,ing,ingressroute -n default -o wide
          register: verify_tls
          changed_when: false

        - name: ">>> nginx matrix TLS 资源"
          ansible.builtin.debug:
            msg: "{{ item }}"
          loop: "{{ verify_tls.stdout_lines }}"

        - name: HTTP curl 验证（HTTP-only：16 个目标，所有节点 × 4 域名）
          ansible.builtin.shell: |
            bases="{{ groups['k3s_nodes'] | map('extract', hostvars) | map(attribute='ansible_host') | join(' ') }}"
            count=0
            ok=0
            echo "=== 16 个目标 (4 节点 × 4 域名) HTTP ==="
            echo "节点         M1(test01)      M2(test02)      M3(test03)      M4(test04)"
            for base in $bases; do
              m1=$(curl -s -o /dev/null -w "%{http_code}" --connect-timeout 5 http://test01.jackadam.top/ --resolve "test01.jackadam.top:80:$base" 2>/dev/null) || m1="fail"
              m2=$(curl -s -o /dev/null -w "%{http_code}" --connect-timeout 5 http://test02.jackadam.top/ --resolve "test02.jackadam.top:80:$base" 2>/dev/null) || m2="fail"
              m3=$(curl -s -o /dev/null -w "%{http_code}" --connect-timeout 5 http://test03.jackadam.top/ --resolve "test03.jackadam.top:80:$base" 2>/dev/null) || m3="fail"
              m4=$(curl -s -o /dev/null -w "%{http_code}" --connect-timeout 5 http://test04.jackadam.top/ --resolve "test04.jackadam.top:80:$base" 2>/dev/null) || m4="fail"
              printf "%-12s %-14s %-14s %-14s %s\n" "$base" "$m1" "$m2" "$m3" "$m4"
              for c in $m1 $m2 $m3 $m4; do count=$((count+1)); [ "$c" = "200" ] && ok=$((ok+1)); done
            done
            echo "---"
            echo "共验证 $count 个目标，$ok 个返回 200"
          changed_when: false
          failed_when: false

        - name: HTTPS curl 验证（16 个目标：所有节点 × 4 域名，所有节点均为入口点）
          ansible.builtin.shell: |
            bases="{{ groups['k3s_nodes'] | map('extract', hostvars) | map(attribute='ansible_host') | join(' ') }}"
            count=0
            ok=0
            echo "=== 16 个目标 (4 节点 × 4 域名) HTTPS ==="
            echo "节点         M1(test01)      M2(test02)      M3(test03)      M4(test04)"
            for base in $bases; do
              m1=$(curl -sk -o /dev/null -w "%{http_code}" --connect-timeout 5 https://test01.jackadam.top/ --resolve "test01.jackadam.top:443:$base" 2>/dev/null) || m1="fail"
              m2=$(curl -sk -o /dev/null -w "%{http_code}" --connect-timeout 5 https://test02.jackadam.top/ --resolve "test02.jackadam.top:443:$base" 2>/dev/null) || m2="fail"
              m3=$(curl -sk -o /dev/null -w "%{http_code}" --connect-timeout 5 https://test03.jackadam.top/ --resolve "test03.jackadam.top:443:$base" 2>/dev/null) || m3="fail"
              m4=$(curl -sk -o /dev/null -w "%{http_code}" --connect-timeout 5 https://test04.jackadam.top/ --resolve "test04.jackadam.top:443:$base" 2>/dev/null) || m4="fail"
              printf "%-12s %-14s %-14s %-14s %s\n" "$base" "$m1" "$m2" "$m3" "$m4"
              for c in $m1 $m2 $m3 $m4; do count=$((count+1)); [ "$c" = "200" ] && ok=$((ok+1)); done
            done
            echo "---"
            echo "共验证 $count 个目标，$ok 个返回 200"
          changed_when: false
          failed_when: false

    - name: Cleanup nginx matrix TLS (mode=cleanup)
      when: (mode | default('deploy')) == 'cleanup'
      block:
        - name: Delete nginx matrix TLS + HTTP-only resources (deployments, ingress, ingressroute, configmaps)
          ansible.builtin.shell: |
            KUBECONFIG={{ k3s_kubeconfig }} kubectl delete deployment,svc -n default nginx-m1 nginx-m2 nginx-m3 nginx-m4 --ignore-not-found=true
            KUBECONFIG={{ k3s_kubeconfig }} kubectl delete ingress -n default nginx-m1 nginx-m3 nginx-m1-http nginx-m3-http --ignore-not-found=true
            KUBECONFIG={{ k3s_kubeconfig }} kubectl delete ingressroute -n default nginx-m2 nginx-m4 nginx-m2-http nginx-m4-http --ignore-not-found=true
            KUBECONFIG={{ k3s_kubeconfig }} kubectl delete configmap -n default nginx-m1-html nginx-m2-html nginx-m3-html nginx-m4-html --ignore-not-found=true
          register: del_tls
          changed_when: "'deleted' in del_tls.stdout"

        - name: Remove copied nginx matrix TLS manifests directory
          ansible.builtin.file:
            path: /tmp/nginx-matrix-tls
            state: absent

- name: Verify 03-02 Traefik ACME (rollout + secret)
  hosts: k3s_server
  become: true
  run_once: true
  vars:
    k3s_kubeconfig: /etc/rancher/k3s/k3s.yaml
    acme_email: "{{ lookup('env', 'ACME_EMAIL') | default('', true) }}"
    cf_api_token: "{{ lookup('env', 'CF_API_TOKEN') | default('', true) }}"
  tasks:
    - name: "Gate - skip verify when ACME_EMAIL missing"
      when: acme_email | trim == ""
      ansible.builtin.include_role:
        name: verify_common
        tasks_from: gate-debug-end-play.yml
      vars:
        verify_gate_message: "[GATE] skipped doc_id=03-02 reason=missing_env missing=ACME_EMAIL"

    - name: Ensure Cloudflare token Secret from CF_API_TOKEN (real-pass)
      when: (cf_api_token | trim | length) > 0
      ansible.builtin.include_role:
        name: verify_common
        tasks_from: ensure-cloudflare-api-token-secret.yml
      vars:
        verify_cf_api_token: "{{ cf_api_token | trim }}"

    - name: Check cloudflare-api-token secret exists
      ansible.builtin.shell: |
        set -euo pipefail
        KUBECONFIG={{ k3s_kubeconfig }} kubectl -n kube-system get secret cloudflare-api-token
      args:
        executable: /bin/bash
      changed_when: false
      register: cloudflare_secret_check
      failed_when: false

    - name: Gate - no CF_API_TOKEN and secret missing
      when: cloudflare_secret_check.rc != 0 and (cf_api_token | trim | length) == 0
      ansible.builtin.include_role:
        name: verify_common
        tasks_from: gate-debug-end-play.yml
      vars:
        verify_gate_message: "[GATE] skipped doc_id=03-02 reason=missing_dependency missing=cloudflare-api-token skip_scope=traefik-acme"

    - name: Fail when secret missing but CF_API_TOKEN was set
      when: cloudflare_secret_check.rc != 0 and (cf_api_token | trim | length) > 0
      ansible.builtin.fail:
        msg: "已设置 CF_API_TOKEN 但 cloudflare-api-token Secret 仍不可用，请检查 apiserver 权限与命名空间 kube-system"

    # Helm/ACME 换新 RS 时，旧 Pod 可能长期「pending termination」，rollout status 永久卡住。
    # 实验室验收：scale 0 → 清 Pod → scale 1（入口短暂不可用，可接受）。
    - name: Unstick Traefik deployment via scale down/up (kube-system)
      ansible.builtin.shell: |
        set -euo pipefail
        export KUBECONFIG={{ k3s_kubeconfig }}
        echo "[OC-ASSERT] assertion=traefik_rollout_unblock phase=scale_reset"
        kubectl scale deployment traefik -n kube-system --replicas=0
        for i in $(seq 1 90); do
          rep=$(kubectl get deployment traefik -n kube-system -o jsonpath='{.status.replicas}' 2>/dev/null || echo 1)
          [ "${rep:-1}" = "0" ] && break
          sleep 2
        done
        for sel in "app.kubernetes.io/name=traefik" "app.kubernetes.io/instance=traefik"; do
          kubectl get pods -n kube-system -l "$sel" -o name 2>/dev/null | while read -r p; do
            [ -z "$p" ] && continue
            kubectl delete "$p" -n kube-system --grace-period=0 --force --ignore-not-found=true || true
          done
        done
        { kubectl get pods -n kube-system --no-headers -o custom-columns=:metadata.name 2>/dev/null | grep -E '^traefik-[0-9a-f]+-' || true; } | while read -r n; do
          [ -z "$n" ] && continue
          kubectl delete pod "$n" -n kube-system --grace-period=0 --force --ignore-not-found=true || true
        done
        kubectl scale deployment traefik -n kube-system --replicas=1
        sleep 3
      args:
        executable: /bin/bash
      changed_when: true
      failed_when: false

    - name: Rollout status traefik (kube-system)
      ansible.builtin.include_role:
        name: verify_common
        tasks_from: kubectl-rollout-status.yml
      vars:
        verify_rollout_ref: deployment/traefik
        verify_rollout_namespace: kube-system
        verify_rollout_timeout_s: 600

- name: Teardown 03-02 Traefik ACME (optional)
  hosts: k3s_server
  become: true
  run_once: true
  vars:
    k3s_kubeconfig: /etc/rancher/k3s/k3s.yaml
    verify_teardown: "{{ (VERIFY_TEARDOWN | default('1')) | string }}"
    acme_email: "{{ lookup('env', 'ACME_EMAIL') | default('', true) }}"
    manifest_dest: /tmp/traefik-acme.yaml
  tasks:
    - name: Skip teardown when gated
      when: acme_email | trim == ""
      meta: end_play

    - name: Delete resources when VERIFY_TEARDOWN=1
      when: verify_teardown == "1"
      ansible.builtin.shell: |
        set -e
        KUBECONFIG={{ k3s_kubeconfig }} kubectl delete -f {{ manifest_dest }} --ignore-not-found=true
      args:
        executable: /bin/bash
      changed_when: true