fluke/devops-service/workers/stack_bootstrap/stack_servers_persister.rb
2016-03-29 21:32:18 +03:00

111 lines
3.1 KiB
Ruby

require 'workers/stack_bootstrap/chef_node_name_builder'
# Fetches info about stack servers from provider and then persist them in mongo.
class StackServersPersister
include PutsAndFlush
attr_reader :stack, :out, :deleted, :servers_info
NEW = 'new'
DELETED = 'deleted'
PERSISTED = 'persisted'
JUST_PERSISTED = 'just_persisted'
def initialize(stack, out)
@stack, @out = stack, out
@project = mongo.project(stack.project)
@deploy_env = @project.deploy_env(stack.deploy_env)
fetch_provider_servers_info
set_servers_states
end
def persist_new_servers
with_state(NEW).each do |info|
info[:server] = persist_stack_server(info[:provider_info])
info[:state] = JUST_PERSISTED
end
end
# returns: { priority_as_integer => [Servers] }
def just_persisted_by_priority
stack_servers_with_priority = {}
with_state(JUST_PERSISTED).each do |info|
stack_servers_with_priority[info[:priority]] ||= []
stack_servers_with_priority[info[:priority]] << info[:server]
end
stack_servers_with_priority
end
private
def fetch_provider_servers_info
@servers_info = stack.provider_instance.stack_servers(stack).map do |provider_info|
{
id: provider_info['id'],
provider_info: provider_info,
priority: provider_info['tags']['cid:priority'].to_i
}
end
end
def set_servers_states
persisted = Devops::Db.connector.stack_servers(stack.id)
persisted_ids = persisted.map(&:id)
in_cloud_ids = @servers_info.map {|info| info[:id]}
new_ids = in_cloud_ids - persisted_ids
deleted_ids = persisted_ids - in_cloud_ids
@servers_info.each do |info|
if new_ids.include?(info[:id])
info[:state] = NEW
else
info[:state] = PERSISTED
end
end
@deleted = persisted.select { |server| deleted_ids.include?(server.id) }
end
def with_state(state)
@servers_info.select { |info| info[:state] == state }
end
# takes a hash, returns Server model
def persist_stack_server(server_info)
server_attrs = {
'_id' => server_info['id'],
'chef_node_name' => get_name_builder(server_info).build_node_name!(incrementers_values),
'created_by' => stack.owner,
'deploy_env' => @deploy_env.identifier,
'key' => server_info['key_name'] || stack.provider_instance.ssh_key,
'project' => @project.id,
'provider' => @stack.provider,
'provider_account' => @stack.provider_account,
'remote_user' => mongo.image(@deploy_env.image).remote_user,
'private_ip' => server_info['private_ip'],
'public_ip' => server_info['public_ip'],
'run_list' => stack.run_list || [],
'stack' => stack.name
}
server = ::Devops::Model::Server.new(server_attrs)
mongo.server_insert(server)
server
end
def get_name_builder(server_info)
ChefNodeNameBuilder.new(
provider_server_info: server_info,
project_id: @project.id,
env_id: @deploy_env.identifier,
owner: stack.owner
)
end
def incrementers_values
@incrementers_values ||= {}
end
def mongo
Devops::Db.connector
end
end