1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
|
# GOV.UK Mini Environment Admin
# Copyright © 2018 Christopher Baines <mail@cbaines.net>
#
# This file is part of the GOV.UK Mini Environment Admin.
#
# The GOV.UK Mini Environment Admin is free software: you can
# redistribute it and/or modify it under the terms of the GNU Affero
# General Public License as published by the Free Software Foundation,
# either version 3 of the License, or (at your option) any later
# version.
#
# The GOV.UK Mini Environment Admin is distributed in the hope that it
# will be useful, but WITHOUT ANY WARRANTY; without even the implied
# warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
# See the GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public
# License along with the GOV.UK Mini Environment Admin. If not, see
# <http://www.gnu.org/licenses/>.
module Backends::TerraformAws::BackendMethods
def create_data_snapshot
GovukGuix::CreateDataSnapshotJob.enqueue(
backend_type: self.class.name,
backend_id: id
)
end
def backend_terraform_variables
public_ip_address = ENV[
'GOVUK_MINI_ENVIRONMENT_ADMIN_PUBLIC_IP_ADDRESS'
]
raise 'missing public ip address' if public_ip_address.nil?
common_terraform_variables.merge(
aws_vpc_id: vpc_id,
ssh_public_key: ssh_public_key,
backend_slug: label.parameterize,
mini_environment_admin_guix_public_key: guix_public_key,
mini_environment_admin_public_ip_address: public_ip_address
)
end
def deploy_backend
within_backend_terraform_working_directory do
RubyTerraform.apply(
vars: backend_terraform_variables,
auto_approve: true
)
end
end
def refresh_backend_state
within_backend_terraform_working_directory do
RubyTerraform.refresh(
vars: backend_terraform_variables
)
end
end
def destroy_backend
within_backend_terraform_working_directory do
RubyTerraform.destroy(
vars: backend_terraform_variables,
force: true
)
end
end
def stop_backend
within_backend_terraform_working_directory do
RubyTerraform.destroy(
vars: backend_terraform_variables,
target: 'aws_spot_instance_request.main',
force: true
)
end
end
def within_backend_terraform_working_directory(&block)
with_advisory_lock(
"aws_backend_terraform_working_directory/#{id}"
) do
TerraformWorkingDirectory.new(
terraform_state_id,
'terraform/aws/backend'
).within_working_directory(&block)
end
end
def available_data_snapshots
GovukGuix::DataSnapshot.where(backend: self)
end
def backend_terraform_states
TerraformState.where(
state_id: terraform_state_id
)
end
def backend_latest_terraform_state
backend_terraform_states.order(:id).last
end
def status
latest_terraform_state = backend_terraform_states.order(:id).last
running = (
latest_terraform_state &&
(latest_terraform_state.output_value('backend_up') == 'true')
)
{
running: running,
updated_at: latest_terraform_state.try(:created_at)
}
end
end
|