# services/keycloak/oneoffs/metis-oidc-secret-ensure-job.yaml
# One-off job for sso/metis-oidc-secret-ensure-2.
# Purpose: ensure the Metis oauth2-proxy OIDC client and Vault secret exist.
# Keep this completed Job around; bump the suffix if it ever needs to be rerun.
apiVersion: batch/v1
kind: Job
metadata:
  name: metis-oidc-secret-ensure-3
  namespace: sso
spec:
  backoffLimit: 0
  template:
    metadata:
      annotations:
        vault.hashicorp.com/agent-inject: "true"
        vault.hashicorp.com/agent-pre-populate-only: "true"
        vault.hashicorp.com/role: "sso-secrets"
        vault.hashicorp.com/agent-inject-secret-keycloak-admin-env.sh: "kv/data/atlas/shared/keycloak-admin"
        vault.hashicorp.com/agent-inject-template-keycloak-admin-env.sh: |
          {{ with secret "kv/data/atlas/shared/keycloak-admin" }}
          export KEYCLOAK_ADMIN="{{ .Data.data.username }}"
          export KEYCLOAK_ADMIN_USER="{{ .Data.data.username }}"
          export KEYCLOAK_ADMIN_PASSWORD="{{ .Data.data.password }}"
          {{ end }}
    spec:
      serviceAccountName: mas-secrets-ensure
      restartPolicy: Never
      affinity:
        nodeAffinity:
          requiredDuringSchedulingIgnoredDuringExecution:
            nodeSelectorTerms:
              - matchExpressions:
                  - key: node-role.kubernetes.io/worker
                    operator: Exists
          preferredDuringSchedulingIgnoredDuringExecution:
            - weight: 100
              preference:
                matchExpressions:
                  - key: kubernetes.io/arch
                    operator: In
                    values: ["arm64"]
      containers:
        - name: apply
          image: bitnami/kubectl@sha256:554ab88b1858e8424c55de37ad417b16f2a0e65d1607aa0f3fe3ce9b9f10b131
          command: ["/bin/sh", "-c"]
          args:
            - |
              set -euo pipefail
              . /vault/secrets/keycloak-admin-env.sh
              KC_URL="http://keycloak.sso.svc.cluster.local"
              ACCESS_TOKEN=""
              for attempt in 1 2 3 4 5; do
                TOKEN_JSON="$(curl -sS -X POST "$KC_URL/realms/master/protocol/openid-connect/token" \
                  -H 'Content-Type: application/x-www-form-urlencoded' \
                  -d "grant_type=password" \
                  -d "client_id=admin-cli" \
                  -d "username=${KEYCLOAK_ADMIN}" \
                  -d "password=${KEYCLOAK_ADMIN_PASSWORD}" || true)"
                ACCESS_TOKEN="$(echo "$TOKEN_JSON" | jq -r '.access_token' 2>/dev/null || true)"
                if [ -n "$ACCESS_TOKEN" ] && [ "$ACCESS_TOKEN" != "null" ]; then
                  break
                fi
                echo "Keycloak token request failed (attempt ${attempt})" >&2
                sleep $((attempt * 2))
              done
              if [ -z "$ACCESS_TOKEN" ] || [ "$ACCESS_TOKEN" = "null" ]; then
                echo "Failed to fetch Keycloak admin token" >&2
                exit 1
              fi

              CLIENT_QUERY="$(curl -sS -H "Authorization: Bearer ${ACCESS_TOKEN}" \
                "$KC_URL/admin/realms/atlas/clients?clientId=metis" || true)"
              CLIENT_ID="$(echo "$CLIENT_QUERY" | jq -r '.[0].id' 2>/dev/null || true)"

              if [ -z "$CLIENT_ID" ] || [ "$CLIENT_ID" = "null" ]; then
                create_payload='{"clientId":"metis","enabled":true,"protocol":"openid-connect","publicClient":false,"standardFlowEnabled":true,"implicitFlowEnabled":false,"directAccessGrantsEnabled":false,"serviceAccountsEnabled":false,"redirectUris":["https://sentinel.bstein.dev/oauth2/callback"],"webOrigins":["https://sentinel.bstein.dev"],"rootUrl":"https://sentinel.bstein.dev","baseUrl":"/"}'
                status="$(curl -sS -o /dev/null -w "%{http_code}" -X POST \
                  -H "Authorization: Bearer ${ACCESS_TOKEN}" \
                  -H 'Content-Type: application/json' \
                  -d "${create_payload}" \
                  "$KC_URL/admin/realms/atlas/clients")"
                if [ "$status" != "201" ] && [ "$status" != "204" ] && [ "$status" != "409" ]; then
                  echo "Keycloak client create failed (status ${status})" >&2
                  exit 1
                fi
                CLIENT_QUERY="$(curl -sS -H "Authorization: Bearer ${ACCESS_TOKEN}" \
                  "$KC_URL/admin/realms/atlas/clients?clientId=metis" || true)"
                CLIENT_ID="$(echo "$CLIENT_QUERY" | jq -r '.[0].id' 2>/dev/null || true)"
              fi

              if [ -z "$CLIENT_ID" ] || [ "$CLIENT_ID" = "null" ]; then
                echo "Keycloak client metis not found" >&2
                exit 1
              fi

              SCOPE_ID="$(curl -sS -H "Authorization: Bearer ${ACCESS_TOKEN}" \
                "$KC_URL/admin/realms/atlas/client-scopes?search=groups" | jq -r '.[] | select(.name=="groups") | .id' 2>/dev/null | head -n1 || true)"
              if [ -z "$SCOPE_ID" ] || [ "$SCOPE_ID" = "null" ]; then
                echo "Keycloak client scope groups not found" >&2
                exit 1
              fi

              DEFAULT_SCOPES="$(curl -sS -H "Authorization: Bearer ${ACCESS_TOKEN}" \
                "$KC_URL/admin/realms/atlas/clients/${CLIENT_ID}/default-client-scopes" || true)"
              OPTIONAL_SCOPES="$(curl -sS -H "Authorization: Bearer ${ACCESS_TOKEN}" \
                "$KC_URL/admin/realms/atlas/clients/${CLIENT_ID}/optional-client-scopes" || true)"

              if ! echo "$DEFAULT_SCOPES" | jq -e '.[] | select(.name=="groups")' >/dev/null 2>&1 \
                && ! echo "$OPTIONAL_SCOPES" | jq -e '.[] | select(.name=="groups")' >/dev/null 2>&1; then
                status="$(curl -sS -o /dev/null -w "%{http_code}" -X PUT \
                  -H "Authorization: Bearer ${ACCESS_TOKEN}" \
                  "$KC_URL/admin/realms/atlas/clients/${CLIENT_ID}/optional-client-scopes/${SCOPE_ID}")"
                if [ "$status" != "200" ] && [ "$status" != "201" ] && [ "$status" != "204" ]; then
                  status="$(curl -sS -o /dev/null -w "%{http_code}" -X POST \
                    -H "Authorization: Bearer ${ACCESS_TOKEN}" \
                    "$KC_URL/admin/realms/atlas/clients/${CLIENT_ID}/optional-client-scopes/${SCOPE_ID}")"
                  if [ "$status" != "200" ] && [ "$status" != "201" ] && [ "$status" != "204" ]; then
                    echo "Failed to attach groups client scope to metis (status ${status})" >&2
                    exit 1
                  fi
                fi
              fi

              update_payload='{"enabled":true,"clientId":"metis","protocol":"openid-connect","publicClient":false,"standardFlowEnabled":true,"implicitFlowEnabled":false,"directAccessGrantsEnabled":false,"serviceAccountsEnabled":false,"redirectUris":["https://sentinel.bstein.dev/oauth2/callback"],"webOrigins":["https://sentinel.bstein.dev"],"rootUrl":"https://sentinel.bstein.dev","baseUrl":"/"}'
              status="$(curl -sS -o /dev/null -w "%{http_code}" -X PUT \
                -H "Authorization: Bearer ${ACCESS_TOKEN}" \
                -H 'Content-Type: application/json' \
                -d "${update_payload}" \
                "$KC_URL/admin/realms/atlas/clients/${CLIENT_ID}")"
              if [ "$status" != "204" ]; then
                echo "Keycloak client update failed (status ${status})" >&2
                exit 1
              fi

              CLIENT_SECRET="$(curl -sS -H "Authorization: Bearer ${ACCESS_TOKEN}" \
                "$KC_URL/admin/realms/atlas/clients/${CLIENT_ID}/client-secret" | jq -r '.value' 2>/dev/null || true)"
              if [ -z "$CLIENT_SECRET" ] || [ "$CLIENT_SECRET" = "null" ]; then
                echo "Keycloak client secret not found" >&2
                exit 1
              fi

              vault_addr="${VAULT_ADDR:-http://vault.vault.svc.cluster.local:8200}"
              vault_role="${VAULT_ROLE:-sso-secrets}"
              jwt="$(cat /var/run/secrets/kubernetes.io/serviceaccount/token)"
              login_payload="$(jq -nc --arg jwt "${jwt}" --arg role "${vault_role}" '{jwt:$jwt, role:$role}')"
              vault_token="$(curl -sS --request POST --data "${login_payload}" \
                "${vault_addr}/v1/auth/kubernetes/login" | jq -r '.auth.client_token')"
              if [ -z "${vault_token}" ] || [ "${vault_token}" = "null" ]; then
                echo "vault login failed" >&2
                exit 1
              fi

              read_status="$(curl -sS -o /tmp/metis-oidc-read.json -w "%{http_code}" \
                -H "X-Vault-Token: ${vault_token}" \
                "${vault_addr}/v1/kv/data/atlas/maintenance/metis-oidc" || true)"
              COOKIE_SECRET=""
              if [ "${read_status}" = "200" ]; then
                COOKIE_SECRET="$(jq -r '.data.data.cookie_secret // empty' /tmp/metis-oidc-read.json)"
              elif [ "${read_status}" != "404" ]; then
                echo "Vault read failed (status ${read_status})" >&2
                cat /tmp/metis-oidc-read.json >&2 || true
                exit 1
              fi
              if [ -n "${COOKIE_SECRET}" ]; then
                length="$(printf '%s' "${COOKIE_SECRET}" | wc -c | tr -d ' ')"
                if [ "${length}" != "16" ] && [ "${length}" != "24" ] && [ "${length}" != "32" ]; then
                  COOKIE_SECRET=""
                fi
              fi
              if [ -z "${COOKIE_SECRET}" ]; then
                COOKIE_SECRET="$(openssl rand -hex 16 | tr -d '\n')"
              fi

              payload="$(jq -nc \
                --arg client_id "metis" \
                --arg client_secret "${CLIENT_SECRET}" \
                --arg cookie_secret "${COOKIE_SECRET}" \
                '{data:{client_id:$client_id,client_secret:$client_secret,cookie_secret:$cookie_secret}}')"
              write_status="$(curl -sS -o /tmp/metis-oidc-write.json -w "%{http_code}" -X POST \
                -H "X-Vault-Token: ${vault_token}" \
                -H 'Content-Type: application/json' \
                -d "${payload}" "${vault_addr}/v1/kv/data/atlas/maintenance/metis-oidc")"
              if [ "${write_status}" != "200" ] && [ "${write_status}" != "204" ]; then
                echo "Vault write failed (status ${write_status})" >&2
                cat /tmp/metis-oidc-write.json >&2 || true
                exit 1
              fi

              verify_status="$(curl -sS -o /tmp/metis-oidc-verify.json -w "%{http_code}" \
                -H "X-Vault-Token: ${vault_token}" \
                "${vault_addr}/v1/kv/data/atlas/maintenance/metis-oidc" || true)"
              if [ "${verify_status}" != "200" ]; then
                echo "Vault verify failed (status ${verify_status})" >&2
                cat /tmp/metis-oidc-verify.json >&2 || true
                exit 1
              fi

              echo "Metis OIDC secret ready in Vault"