Puppet Function: agent_key

Defined in:
lib/puppet/parser/functions/agent_key.rb
Function type:
Ruby 3.x API

Overview

agent_key() ⇒ Any

Returns:

  • (Any) 


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# File 'lib/puppet/parser/functions/agent_key.rb', line 7

newfunction(:agent_key, :type => :rvalue) do |args|
    token = args[0]
    agent_key = args[1]
    server_name = args[2]
    group = args[3]
    use_fqdn = args[4]

    unless agent_key.nil? or agent_key.empty?
        notice ["Agent Key Provided: #{ agent_key }"]
        return agent_key
    end

    hostname = lookupvar("hostname")
    fqdn = lookupvar("fqdn")
    provider = lookupvar('sd_provider')
    provider_id = lookupvar('sd_provider_id')
    project_id = lookupvar('sd_project_id')

    if server_name.nil? or server_name.empty?
        server_name = fqdn
    end

    if use_fqdn
        notice "Using fqdn for hostname"
        hostname = fqdn
        checks = [hostname]
    else
        # if we don't explicitly want to use the fqdn
        # then we should check hostname and fqdn
        checks = [hostname, fqdn]
    end


    notice ["Server Name: #{ server_name }"]

    # can we get the agent key from the environment
    # we set it on cloud devices created on Amazon or Rackspace
    # created via the serverdensity UI
    # uses custom agent_key fact
    agent_key = lookupvar("sd_agent_key")

    # lookupvar returns undef if no value
    # test against nil just in case
    unless agent_key.nil? or agent_key == :undefined or agent_key == :undef
        notice ["Agent Key Provided via Facter: #{ agent_key }"]
        return agent_key
    end

    if agent_key == :undef
        agent_key = ""
    end

    notice ["Using SD Version 2"]

    base_url = "https://api.serverdensity.io"

    list = nil
    if provider and provider_id
        # attempt to find the device by providerId
        filter = {
            'type' => 'device',
            'provider' => provider,
            'providerId' => provider_id
        }
        if project_id
            filter['projectId'] = project_id
        end
        notice ["Making API request for provider: #{ provider } and providerId: #{ provider_id }"]
        filter_json = URI.escape(PSON.dump(filter))
        begin
            uri = URI("#{ base_url }/inventory/devices?filter=#{ filter_json }&token=#{ token }")
            req = Net::HTTP::Get.new(uri.request_uri)
            https = Net::HTTP.new(uri.host, uri.port)
            https.use_ssl = true
            https.verify_mode = OpenSSL::SSL::VERIFY_NONE
            res = https.start { |cx| cx.request(req) }

            list = PSON.parse(res.body)

        rescue
            err ["Error from SD API, stopping run"]
            raise Puppet::ParseError, "Error from SD API"
        end

        if Integer(res.code) >= 500
            err ["Error from SD API, stopping run"]
            raise Puppet::ParseError, "Error from SD API"
        end

    end

    if list.nil? or list.empty?
        # attempt to find the device by hostname (which may be local or FQDN)
        list = nil
        checks.each do |hn|
            # attempt to detect google cloud devices
            if provider == 'google'
                hn_split=hn.split(".")
                name=hn_split[0..-4].join('.')
                filter = {
                    'type' => 'device',
                    'deleted' => false,
                    'name' => name,
                    'projectId' => project_id,
                    'provider' => 'google'
                }
            else
                filter = {
                    'type' => 'device',
                    'deleted' => false,
                    'hostname' => hn,
                }
            end

            filter_json = URI.escape(PSON.dump(filter))

            notice ["Making API request for hostname: #{ hn }"]

            begin
                uri = URI("#{ base_url }/inventory/devices?filter=#{ filter_json }&token=#{ token }")
                req = Net::HTTP::Get.new(uri.request_uri)
                https = Net::HTTP.new(uri.host, uri.port)
                https.use_ssl = true
                https.verify_mode = OpenSSL::SSL::VERIFY_NONE
                res = https.start { |cx| cx.request(req) }

                list = PSON.parse(res.body)

            rescue
                err ["Error from SD API, stopping run"]
                raise Puppet::ParseError, "Error from SD API"
            end

            if Integer(res.code) >= 500
                err ["Error from SD API, stopping run"]
                raise Puppet::ParseError, "Error from SD API"
            end

            if list.length > 0
                # keep this response -- device was found
                break
            end
        end
    end

    if Integer(res.code) >= 300 or list.length == 0
        notice ["Device not found, creating a new one"]

        data = {
            :name => server_name,
            :hostname => hostname,
        }
        unless group.nil? or group.empty?
            data['group'] = group
        end

        if ["amazon", "google", "rackspace"].include?(provider)
            data['provider'] = provider
            if provider_id
                data['providerId'] = provider_id
            end
            if project_id
                data['projectId'] = project_id
            end
        end

        uri = URI("#{ base_url }/inventory/devices?token=#{ token }")
        req = Net::HTTP::Post.new(uri.request_uri)

        # Create new device
        req.set_form_data(data)

        https = Net::HTTP.new(uri.host, uri.port)
        https.use_ssl = true
        https.verify_mode = OpenSSL::SSL::VERIFY_NONE
        res = https.start { |cx| cx.request(req) }

        if Integer(res.code) >= 500
            err ["Error from SD API, stopping run"]
            raise Puppet::ParseError, "Error from SD API"
        end

        device = PSON.parse(res.body)
    elsif list.length > 1
        fail ["More than one existing device matches this hostname or fqdn. Please manually set token"]
    else
        device = list[0]

        # Has the group changed?
        existing_group = device["group"]

        if existing_group != group
            notice ["Updating group on #{device['_id']} from #{existing_group} to #{group}"]

            # update the group
            uri = URI("#{ base_url }/inventory/devices/#{ device['_id'] }?token=#{ token }")

            req = Net::HTTP::Put.new(uri.request_uri)

            update_data = {
                :group => group
            }
            req.set_form_data(update_data)
            https = Net::HTTP.new(uri.host, uri.port)
            https.use_ssl = true
            https.verify_mode = OpenSSL::SSL::VERIFY_NONE
            res = https.start { |cx| cx.request(req) }

        end
    end

    agent_key = device["agentKey"]

    notice ["Agent Key: #{ agent_key }"]
    return agent_key
end