Class: Consul::Client::HTTP

Inherits:
Object
  • Object
show all
Defined in:
lib/consul/client/http.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(host:, port:, logger:, rpc_retries_timeout:) ⇒ HTTP

Returns a new instance of HTTP.



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# File 'lib/consul/client/http.rb', line 15

def initialize(host:, port:, logger:, rpc_retries_timeout:)
  @host   = host
  @port   = port
  @logger = logger
  @rpc_retries_timeout = rpc_retries_timeout
end

Instance Attribute Details

#logger ⇒ Object

Returns the value of attribute logger.



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# File 'lib/consul/client/http.rb', line 121

def logger
  @logger
end

Instance Method Details

#delete(request_uri) ⇒ Object 



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# File 'lib/consul/client/http.rb', line 107

def delete(request_uri)
  url = base_uri + request_uri
  logger.debug("DELETE #{url}")

  uri = URI.parse(url)

  begin
    response = http_request(:delete, uri)
    parse_body(response)
  rescue NotFoundException
    nil
  end
end

#exists?(request_uri) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/consul/client/http.rb', line 36

def exists?(request_uri)
  url = base_uri + request_uri
  logger.debug("GET #{url}")

  uri = URI.parse(url)

  begin
    response = http_request(:get, uri)
  rescue NotFoundException
    return false
  end
  return true
end

#get(request_uri, recurse: false, raw: false) ⇒ Object 



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# File 'lib/consul/client/http.rb', line 22

def get(request_uri, recurse: false, raw: false)
  url = base_uri + request_uri
  logger.debug("GET #{url}")

  uri = URI.parse(url)
  uri.query ||= ""
  uri.query += "&recurse" if recurse
  uri.query += "&raw" if raw

  response = http_request(:get, uri)

  raw ? response.body : parse_body(response)
end

#mkdir(request_uri, recurse: false) ⇒ Object 



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# File 'lib/consul/client/http.rb', line 50

def mkdir(request_uri, recurse: false)
  request_uri = "/#{request_uri}/".gsub(/\/+/,'/')
  put(request_uri) unless exists?(request_uri)
  if recurse
    while File.dirname(request_uri) != "/kv"
      request_uri = File.dirname(request_uri)
      put(request_uri) unless exists?(request_uri)
    end
  end
end

#put(request_uri, data = nil) ⇒ Object 



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# File 'lib/consul/client/http.rb', line 96

def put(request_uri, data = nil)
  url = base_uri + request_uri
  logger.debug("PUT #{url}")

  uri = URI.parse(url)

  response = http_request(:put, uri, request_uri.match('^/kv/') ? data : data.to_json)

  parse_body(response)
end

#watch(request_uri, index: 0, wait: '60s', recurse: false) ⇒ Object 



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# File 'lib/consul/client/http.rb', line 61

def watch(request_uri, index: 0, wait: '60s', recurse: false)
  url = base_uri + request_uri

  uri = URI.parse(url)
  uri.query ||= ""
  uri.query += "&index=#{index}&wait=#{wait}"
  uri.query += "&recurse" if recurse

  wait_timeout = 0
  case wait
  when /^(.+)s$/
    wait_timeout = $1.to_i + 5
  when /^(.+)m$/
    wait_timeout = ($1.to_i * 60) + 5
  else
    raise InavlidArgument
  end

  while true do
    begin
      logger.debug("GET #{uri}")

      response = http_request(:get, uri, nil, wait_timeout)
      unless response['x-consul-index'].to_i == index
        return { index: response['x-consul-index'].to_i, body: parse_body(response) }
      end
    rescue RpcErrorException
      logger.warn("Got 500 while watching #{uri}")
      sleep 5
    rescue TimeoutException
      logger.warn("Got timeout while watching #{uri}")
    end
  end
end