Module: Sensu::API::Routes::Silenced

Included in:
Sensu::API::Routes
Defined in:
lib/sensu/api/routes/silenced.rb

Constant Summary collapse

SILENCED_URI = 
/^\/silenced$/
SILENCED_ID_URI = 
/^\/silenced\/ids\/([\w\.\-\*\:]+)$/
SILENCED_SUBSCRIPTION_URI = 
/^\/silenced\/subscriptions\/([\w\.\-:]+)$/
SILENCED_CHECK_URI = 
/^\/silenced\/checks\/([\w\.\-]+)$/
SILENCED_CLEAR_URI = 
/^\/silenced\/clear$/

Instance Method Summary collapse

Instance Method Details

#fetch_silenced(silenced_keys = []) ⇒ Object

Fetch silenced registry entries for the provided silenced entry keys.

Parameters:

  • silenced_keys (Array) (defaults to: []) 


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# File 'lib/sensu/api/routes/silenced.rb', line 17

def fetch_silenced(silenced_keys=[])
  entries = []
  unless silenced_keys.empty?
    @redis.mget(*silenced_keys) do |silenced|
      silenced_keys.each_with_index do |silenced_key, silenced_index|
        if silenced[silenced_index]
          silenced_info = Sensu::JSON.load(silenced[silenced_index])
          @redis.ttl(silenced_key) do |ttl|
            silenced_info[:expire] = ttl
            entries << silenced_info
            if silenced_index == silenced_keys.length - 1
              yield(entries)
            end
          end
        else
          @redis.srem("silenced", silenced_key)
          if silenced_index == silenced_keys.length - 1
            @redis.ping do
              yield(entries)
            end
          end
        end
      end
    end
  else
    yield(entries)
  end
end

#get_silenced ⇒ Object

GET /silenced



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# File 'lib/sensu/api/routes/silenced.rb', line 97

def get_silenced
  @redis.smembers("silenced") do |silenced_keys|
    silenced_keys = pagination(silenced_keys)
    fetch_silenced(silenced_keys) do |silenced|
      @response_content = silenced
      respond
    end
  end
end

#get_silenced_check ⇒ Object

GET /silenced/checks/:check



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# File 'lib/sensu/api/routes/silenced.rb', line 142

def get_silenced_check
  check_name = parse_uri(SILENCED_CHECK_URI).first
  @redis.smembers("silenced") do |silenced_keys|
    silenced_keys.select! do |key|
      key =~ /.*:#{check_name}$/
    end
    silenced_keys = pagination(silenced_keys)
    fetch_silenced(silenced_keys) do |silenced|
      @response_content = silenced
      respond
    end
  end
end

#get_silenced_id ⇒ Object

GET /silenced/ids/:id



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# File 'lib/sensu/api/routes/silenced.rb', line 123

def get_silenced_id
  id = parse_uri(SILENCED_ID_URI).first
  @redis.smembers("silenced") do |silenced_keys|
    silenced_keys.select! do |key|
      key =~ /#{id.gsub('*', '\*')}$/
    end
    silenced_keys = pagination(silenced_keys)
    fetch_silenced(silenced_keys) do |silenced|
      if silenced.empty?
        not_found!
      else
        @response_content = silenced.last
        respond
      end
    end
  end
end

#get_silenced_subscription ⇒ Object

GET /silenced/subscriptions/:subscription



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# File 'lib/sensu/api/routes/silenced.rb', line 108

def get_silenced_subscription
  subscription = parse_uri(SILENCED_SUBSCRIPTION_URI).first
  @redis.smembers("silenced") do |silenced_keys|
    silenced_keys.select! do |key|
      key =~ /^silence:#{subscription}:/
    end
    silenced_keys = pagination(silenced_keys)
    fetch_silenced(silenced_keys) do |silenced|
      @response_content = silenced
      respond
    end
  end
end

#post_silenced ⇒ Object

POST /silenced



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# File 'lib/sensu/api/routes/silenced.rb', line 47

def post_silenced
  rules = {
    :subscription => {:type => String, :nil_ok => true, :regex => /\A[\w\.\-\:]+\z/},
    :check => {:type => String, :nil_ok => true, :regex => /\A[\w\.-]+\z/},
    :begin => {:type => Integer, :nil_ok => true},
    :expire => {:type => Integer, :nil_ok => true},
    :reason => {:type => String, :nil_ok => true},
    :creator => {:type => String, :nil_ok => true},
    :expire_on_resolve => {:type => [TrueClass, FalseClass], :nil_ok => true}
  }
  read_data(rules) do |data|
    if data[:subscription] || data[:check]
      subscription = data.fetch(:subscription, "*")
      check = data.fetch(:check, "*")
      silenced_id = "#{subscription}:#{check}"
      timestamp = Time.now.to_i
      silenced_info = {
        :id => silenced_id,
        :subscription => data[:subscription],
        :check => data[:check],
        :reason => data[:reason],
        :creator => data[:creator],
        :begin => data[:begin],
        :expire_on_resolve => data.fetch(:expire_on_resolve, false),
        :timestamp => timestamp
      }
      silenced_key = "silence:#{silenced_id}"
      @redis.set(silenced_key, Sensu::JSON.dump(silenced_info)) do
        @redis.sadd("silenced", silenced_key) do
          if data[:expire]
            expire = data[:expire]
            if data[:begin]
              diff = data[:begin] - timestamp
              expire += diff if diff > 0
            end
            @redis.expire(silenced_key, expire) do
              created!
            end
          else
            created!
          end
        end
      end
    else
      bad_request!
    end
  end
end

#post_silenced_clear ⇒ Object

POST /silenced/clear



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# File 'lib/sensu/api/routes/silenced.rb', line 157

def post_silenced_clear
  rules = {
    :id => {:type => String, :nil_ok => true},
    :subscription => {:type => String, :nil_ok => true},
    :check => {:type => String, :nil_ok => true, :regex => /\A[\w\.-]+\z/}
  }
  read_data(rules) do |data|
    if !data[:id].nil? || (data[:subscription] || data[:check])
      subscription = data.fetch(:subscription, "*")
      check = data.fetch(:check, "*")
      silenced_id = data[:id] || "#{subscription}:#{check}"
      silenced_key = "silence:#{silenced_id}"
      @redis.srem("silenced", silenced_key) do
        @redis.del(silenced_key) do |deleted|
          deleted ? no_content! : not_found!
        end
      end
    else
      bad_request!
    end
  end
end