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hosts_controller.rb
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Sun, Nov 24, 5:28 PM

hosts_controller.rb
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class HostsController < ApplicationController
before_action :require_logged_in, except: :fd_config
before_action :fetch_host, only: [:show, :edit, :update, :destroy, :submit_config,
:revoke, :disable]
before_action :fetch_hosts_of_user, only: [:new, :create]
# GET /hosts/new
def new
@host = Host.new
@host.port = 9102
@host.email_recipients = [current_user.email]
end
# POST /hosts
def create
@host = Host.new(fetch_params)
set_host_type
@host.verified = !@host.institutional?
if user_can_add_this_host? && @host.save
flash[:success] = 'Host created successfully'
current_user.hosts << @host
UserMailer.notify_admin(current_user, @host.fqdn).deliver
redirect_to host_path @host
else
flash[:error] = 'Host was not created'
render :new
end
end
# GET /hosts/1
def show
@schedules = @host.job_templates.map(&:schedule)
@filesets = @host.job_templates.map(&:fileset)
end
# GET /hosts/1/edit
def edit
if current_user.needs_host_list?
@hosts_of_user = current_user.hosts.pluck(:fqdn)
end
end
# PATCH /hosts/1
def update
updates = fetch_params.slice(:port, :password, :email_recipients)
if updates.present? && @host.update_attributes(updates)
@host.recalculate if @host.bacula_ready?
flash[:success] = 'Host updated successfully. You must update your file daemon accordingly.'
redirect_to host_path @host
else
render :edit
end
end
# DELETE /hosts/1
def destroy
if (@host.client.nil? || @host.remove_from_bacula(true)) && @host.destroy
flash[:success] = 'Host destroyed successfully'
else
flash[:error] = 'Host not destroyed'
end
redirect_to root_path
end
# POST /hosts/1/disable
def disable
if @host.disable_jobs_and_update
flash[:success] = 'Client disabled'
else
flash[:error] = 'Something went wrong, try again later'
end
redirect_to host_path(@host)
end
# POST /hosts/1/submit_config
def submit_config
if @host.dispatch_to_bacula
flash[:success] = 'Host configuration sent to Bacula successfully'
else
flash[:error] = 'Something went wrong, try again later'
end
redirect_to host_path(@host)
end
# DELETE /hosts/1/revoke
def revoke
if @host.remove_from_bacula
flash[:success] = 'Host configuration removed from Bacula successfully'
else
flash[:error] = 'Something went wrong, try again later'
end
redirect_to root_path
end
# GET /hosts/fetch_vima_hosts
def fetch_vima_hosts
if params[:code].blank?
return redirect_to client.auth_code.authorize_url(:redirect_uri => redirect_uri,
scope: 'read')
end
access_token = client.auth_code.get_token(
params['code'],
{ :redirect_uri => redirect_uri },
{ :mode => :query, :param_name => "access_token", :header_format => "" }
)
vms = access_token.get(
'https://vima.grnet.gr/instances/list?tag=vima:service:archiving',
{ mode: :query, param_name: 'access_token' }
).parsed.deep_symbolize_keys[:response][:instances]
session[:vms] = vms.first(50)
current_user.temp_hosts = vms
current_user.hosts_updated_at = Time.now
current_user.save
Host.where(fqdn: vms).each do |host|
host.users << current_user unless host.users.include?(current_user)
end
redirect_to new_host_path
end
# GET /hosts/:id/fd_config?token=A_TOKEN
def fd_config
user = User.find_by(token: params[:token]) if params[:token]
return redirect_to clients_path if user.nil?
@host = user.hosts.find_by(id: params[:id])
return redirect_to clients_path unless @host
render text: [
@host.bacula_fd_filedaemon_config,
@host.bacula_fd_director_config(false),
@host.bacula_fd_messages_config
].join("\n\n")
end
private
def client
OAuth2::Client.new(
Rails.application.secrets.oauth2_vima_client_id,
Rails.application.secrets.oauth2_vima_secret,
site: 'https://vima.grnet.gr',
token_url: "/o/token",
authorize_url: "/o/authorize",
:ssl => {:ca_path => "/etc/ssl/certs"}
)
end
def redirect_uri
uri = URI.parse(request.url)
uri.scheme = 'https' unless Rails.env.development?
uri.path = '/hosts/fetch_vima_hosts'
uri.query = nil
uri.to_s
end
def fetch_hosts_of_user
return if not current_user.needs_host_list?
@hosts_of_user = session[:vms] - current_user.hosts.pluck(:fqdn)
end
def fetch_host
@host = current_user.hosts.includes(job_templates: [:fileset, :schedule]).find(params[:id])
end
def fetch_params
params.require(:host).permit(:fqdn, :port, :password, email_recipients: [])
end
def user_can_add_this_host?
!current_user.needs_host_list? || @hosts_of_user.include?(@host.fqdn)
end
def set_host_type
@host.origin = if current_user.vima?
:vima
elsif current_user.okeanos?
:okeanos
else
:institutional
end
end
end

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