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|
# frozen_string_literal: true
module Clusters
module Applications
class Ingress < ApplicationRecord
VERSION = '1.29.7'
INGRESS_CONTAINER_NAME = 'nginx-ingress-controller'
MODSECURITY_LOG_CONTAINER_NAME = 'modsecurity-log'
MODSECURITY_MODE_LOGGING = "DetectionOnly"
MODSECURITY_MODE_BLOCKING = "On"
MODSECURITY_OWASP_RULES_FILE = "/etc/nginx/owasp-modsecurity-crs/nginx-modsecurity.conf"
self.table_name = 'clusters_applications_ingress'
include ::Clusters::Concerns::ApplicationCore
include ::Clusters::Concerns::ApplicationStatus
include ::Clusters::Concerns::ApplicationVersion
include ::Clusters::Concerns::ApplicationData
include AfterCommitQueue
include UsageStatistics
default_value_for :ingress_type, :nginx
default_value_for :modsecurity_enabled, true
default_value_for :version, VERSION
default_value_for :modsecurity_mode, :logging
enum ingress_type: {
nginx: 1
}
enum modsecurity_mode: { logging: 0, blocking: 1 }
scope :modsecurity_not_installed, -> { where(modsecurity_enabled: nil) }
scope :modsecurity_enabled, -> { where(modsecurity_enabled: true) }
scope :modsecurity_disabled, -> { where(modsecurity_enabled: false) }
FETCH_IP_ADDRESS_DELAY = 30.seconds
state_machine :status do
after_transition any => [:installed] do |application|
application.run_after_commit do
ClusterWaitForIngressIpAddressWorker.perform_in(
FETCH_IP_ADDRESS_DELAY, application.name, application.id)
end
end
end
def chart
'stable/nginx-ingress'
end
def values
content_values.to_yaml
end
def allowed_to_uninstall?
external_ip_or_hostname? && !application_jupyter_installed?
end
def install_command
Gitlab::Kubernetes::Helm::InstallCommand.new(
name: name,
version: VERSION,
rbac: cluster.platform_kubernetes_rbac?,
chart: chart,
files: files,
local_tiller_enabled: cluster.local_tiller_enabled?
)
end
def external_ip_or_hostname?
external_ip.present? || external_hostname.present?
end
def schedule_status_update
return unless installed?
return if external_ip
return if external_hostname
ClusterWaitForIngressIpAddressWorker.perform_async(name, id)
end
def ingress_service
cluster.kubeclient.get_service("ingress-#{INGRESS_CONTAINER_NAME}", Gitlab::Kubernetes::Helm::NAMESPACE)
end
private
def specification
return {} unless modsecurity_enabled
{
"controller" => {
"config" => {
"enable-modsecurity" => "true",
"enable-owasp-modsecurity-crs" => "false",
"modsecurity-snippet" => modsecurity_snippet_content,
"modsecurity.conf" => modsecurity_config_content
},
"extraContainers" => [
{
"name" => MODSECURITY_LOG_CONTAINER_NAME,
"image" => "busybox",
"args" => [
"/bin/sh",
"-c",
"tail -F /var/log/modsec/audit.log"
],
"volumeMounts" => [
{
"name" => "modsecurity-log-volume",
"mountPath" => "/var/log/modsec",
"readOnly" => true
}
],
"livenessProbe" => {
"exec" => {
"command" => [
"ls",
"/var/log/modsec/audit.log"
]
}
}
}
],
"extraVolumeMounts" => [
{
"name" => "modsecurity-template-volume",
"mountPath" => "/etc/nginx/modsecurity/modsecurity.conf",
"subPath" => "modsecurity.conf"
},
{
"name" => "modsecurity-log-volume",
"mountPath" => "/var/log/modsec"
}
],
"extraVolumes" => [
{
"name" => "modsecurity-template-volume",
"configMap" => {
"name" => "ingress-#{INGRESS_CONTAINER_NAME}",
"items" => [
{
"key" => "modsecurity.conf",
"path" => "modsecurity.conf"
}
]
}
},
{
"name" => "modsecurity-log-volume",
"emptyDir" => {}
}
]
}
}
end
def modsecurity_config_content
File.read(modsecurity_config_file_path)
end
def modsecurity_config_file_path
Rails.root.join('vendor', 'ingress', 'modsecurity.conf')
end
def content_values
YAML.load_file(chart_values_file).deep_merge!(specification)
end
def application_jupyter_installed?
cluster.application_jupyter&.installed?
end
def modsecurity_snippet_content
sec_rule_engine = logging? ? MODSECURITY_MODE_LOGGING : MODSECURITY_MODE_BLOCKING
"SecRuleEngine #{sec_rule_engine}\nInclude #{MODSECURITY_OWASP_RULES_FILE}"
end
end
end
end
|
