JSON logs for ingress-nginx (stackdriver compatible)

gistfile1.txt

log-format-escape-json: "true"
http-snippet: |
  map $msec $timestamp_secs { ~(.*)\..* $1; }
  map $msec $timestamp_nanos { ~.*\.(?<tsn>.*) "${tsn}000000"; }
log-format-upstream: '{"timestampSeconds":"$timestamp_secs", "timestampNanos":"$timestamp_nanos", "time_epoch":"$msec", "time_iso8601":"$time_iso8601", "remote_addr":"$proxy_protocol_addr", "x-forward-for":"$proxy_add_x_forwarded_for", "request_id":"$req_id", "remote_user":"$remote_user", "bytes_sent":$bytes_sent, "request_time":$request_time, "status":$status, "vhost":"$host", "request_proto":"$server_protocol", "path":"$uri", "request_query":"$args", "request_length":$request_length, "duration":$request_time, "method":"$request_method", "http_referrer":"$http_referer", "http_user_agent":"$http_user_agent" }'