Class: ForemanVirtWhoConfigure::OutputGenerator
- Inherits:
-
Object
- Object
- ForemanVirtWhoConfigure::OutputGenerator
show all
- Defined in:
- app/models/foreman_virt_who_configure/output_generator.rb
Defined Under Namespace
Classes: ConfigurationResult
Constant Summary
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- MINIMUM_VIRT_WHO_VERSION =
'0.24.2'
- LIBVIRT_FAKE_PASSWORD =
'libvirt_fake_password'
- KUBEVIRT_FAKE_PASSWORD =
'kubevirt_fake_password'
- CONFIGURATION_RESULTS =
[
ConfigurationResult.new(0, 'success', N_('Success')),
ConfigurationResult.new(1, 'virt_who_too_old', N_('Newer version of virt-who is required, minimum version is %s') % MINIMUM_VIRT_WHO_VERSION),
ConfigurationResult.new(2, 'virt_who_config_file_issue', N_('Unable to create virt-who config file')),
ConfigurationResult.new(4, 'virt_who_sysconfig_file_issue', N_('Unable to create sysconfig file')),
ConfigurationResult.new(8, 'virt_who_systemctl_issue', N_('Unable to enable virt-who service using systemctl')),
ConfigurationResult.new(16, 'virt_who_service_issue', N_('Unable to start virt-who service, please see virt-who logs for more details')),
ConfigurationResult.new(32, 'virt_who_installation', N_('Unable to install virt-who package, make sure the host is properly subscribed and has access to katello-host-tools repository')),
]
Instance Attribute Summary collapse
Instance Method Summary
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Constructor Details
Returns a new instance of OutputGenerator.
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# File 'app/models/foreman_virt_who_configure/output_generator.rb', line 29
def initialize(config)
@config = config
end
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Instance Attribute Details
#config ⇒ Object
Returns the value of attribute config.
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# File 'app/models/foreman_virt_who_configure/output_generator.rb', line 27
def config
@config
end
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Instance Method Details
#ahv_config_options ⇒ Object
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# File 'app/models/foreman_virt_who_configure/output_generator.rb', line 172
def ahv_config_options
if config.hypervisor_type == 'ahv'
prism_central = config.prism_flavor == "central"
internal_debug = config.ahv_internal_debug.present? ? "\nahv_internal_debug=#{config.ahv_internal_debug}" : nil
"\nprism_central=#{prism_central}#{internal_debug}"
else
""
end
end
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#config_file_path ⇒ Object
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# File 'app/models/foreman_virt_who_configure/output_generator.rb', line 212
def config_file_path
"/etc/virt-who.d/#{identifier}.conf"
end
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#connection_details ⇒ Object
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# File 'app/models/foreman_virt_who_configure/output_generator.rb', line 159
def connection_details
if config.hypervisor_type == 'kubevirt'
""
elsif config.hypervisor_type == 'libvirt'
"\nserver=#{cr_server}
username=#{cr_username}"
else
"\nserver=#{cr_server}
username=#{cr_username}
encrypted_password=$cr_password"
end
end
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#cr ⇒ Object
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# File 'app/models/foreman_virt_who_configure/output_generator.rb', line 268
def cr
config.compute_resource
end
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#cr_password ⇒ Object
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# File 'app/models/foreman_virt_who_configure/output_generator.rb', line 245
def cr_password
case config.hypervisor_type
when 'libvirt'
config.hypervisor_password.blank? ? LIBVIRT_FAKE_PASSWORD : config.hypervisor_password
when 'kubevirt'
config.hypervisor_password.blank? ? KUBEVIRT_FAKE_PASSWORD : config.hypervisor_password
else
config.hypervisor_password
end
end
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#cr_server ⇒ Object
returns nil if url could not be parsed or is invalid, e.g. qemu:///system
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# File 'app/models/foreman_virt_who_configure/output_generator.rb', line 237
def cr_server
config.hypervisor_server
end
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#cr_username ⇒ Object
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# File 'app/models/foreman_virt_who_configure/output_generator.rb', line 241
def cr_username
Shellwords.escape(config.hypervisor_username)
end
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#default_config_path ⇒ Object
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# File 'app/models/foreman_virt_who_configure/output_generator.rb', line 216
def default_config_path
'/etc/virt-who.conf'
end
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#enabled_filters(filter) ⇒ Object
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# File 'app/models/foreman_virt_who_configure/output_generator.rb', line 200
def enabled_filters(filter)
filter.reject { |_, list| list.blank? }.map { |filter,list| filtering_line_sanitized(filter, list) }.join
end
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#error_code(error_name) ⇒ Object
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# File 'app/models/foreman_virt_who_configure/output_generator.rb', line 33
def error_code(error_name)
result = CONFIGURATION_RESULTS.find { |result| result.identifier == error_name.to_s }
result.try(:code)
end
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#error_handling ⇒ Object
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# File 'app/models/foreman_virt_who_configure/output_generator.rb', line 183
def error_handling
CONFIGURATION_RESULTS.map do |result|
"[ $(($result_code&#{result.code})) -ge 1 ] && echo '#{result.message}'"
end.join("\n ")
end
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#filtering_line_sanitized(filter, list) ⇒ Object
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# File 'app/models/foreman_virt_who_configure/output_generator.rb', line 204
def filtering_line_sanitized(filter, list)
"\n" + filter + '=' + sanitize_filter(list.to_s)
end
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#hypervisor_id ⇒ Object
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# File 'app/models/foreman_virt_who_configure/output_generator.rb', line 224
def hypervisor_id
config.hypervisor_id
end
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#identifier ⇒ Object
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# File 'app/models/foreman_virt_who_configure/output_generator.rb', line 220
def identifier
"virt-who-config-#{config.id}"
end
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# File 'app/models/foreman_virt_who_configure/output_generator.rb', line 42
def missing_virt_who_input_messages
messages = []
messages.push _('Owner was not provided') unless config.organization_id?
messages.push _('Interval was not provided') unless config.interval.present?
messages
end
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#no_proxy ⇒ Object
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# File 'app/models/foreman_virt_who_configure/output_generator.rb', line 276
def no_proxy
config.no_proxy
end
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#owner ⇒ Object
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# File 'app/models/foreman_virt_who_configure/output_generator.rb', line 228
def owner
config.organization.label
end
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#proxy ⇒ Object
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# File 'app/models/foreman_virt_who_configure/output_generator.rb', line 272
def proxy
config.http_proxy
end
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#proxy_strings ⇒ Object
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# File 'app/models/foreman_virt_who_configure/output_generator.rb', line 288
def proxy_strings
output = ''
output << "\n#{proxy_type}=#{sanitize_proxy(proxy.full_url)}" if proxy.present?
output << "\nno_proxy=#{sanitize_proxy(no_proxy)}" if no_proxy.present?
output << "\nno_proxy=*" if !proxy.present? && !no_proxy.present?
output
end
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#proxy_type ⇒ Object
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# File 'app/models/foreman_virt_who_configure/output_generator.rb', line 284
def proxy_type
"#{URI(proxy.url).scheme}_proxy"
end
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#ready_for_virt_who_output? ⇒ Boolean
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# File 'app/models/foreman_virt_who_configure/output_generator.rb', line 38
def ready_for_virt_who_output?
missing_virt_who_input_messages.empty?
end
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#sanitize(string) ⇒ Object
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# File 'app/models/foreman_virt_who_configure/output_generator.rb', line 296
def sanitize(string)
string.tr("\r\n", '').strip.chomp(",")
end
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#sanitize_filter(list) ⇒ Object
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# File 'app/models/foreman_virt_who_configure/output_generator.rb', line 208
def sanitize_filter(list)
sanitize(list)
end
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#sanitize_proxy(string) ⇒ Object
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# File 'app/models/foreman_virt_who_configure/output_generator.rb', line 280
def sanitize_proxy(string)
sanitize(string)
end
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#satellite_url ⇒ Object
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# File 'app/models/foreman_virt_who_configure/output_generator.rb', line 256
def satellite_url
config.satellite_url
end
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#service_user_password ⇒ Object
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# File 'app/models/foreman_virt_who_configure/output_generator.rb', line 264
def service_user_password
config.service_user.encrypted_password
end
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#service_user_username ⇒ Object
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# File 'app/models/foreman_virt_who_configure/output_generator.rb', line 260
def service_user_username
config.service_user.username
end
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#type ⇒ Object
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# File 'app/models/foreman_virt_who_configure/output_generator.rb', line 232
def type
config.hypervisor_type
end
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#virt_who_output(format = nil) ⇒ Object
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# File 'app/models/foreman_virt_who_configure/output_generator.rb', line 51
def virt_who_output(format = nil)
kubeconfig = config.hypervisor_type == 'kubevirt' ? "\nkubeconfig=#{config.kubeconfig_path}" : ''
result = ''
cr_password_base64 = Base64.strict_encode64("#{cr_password}")
result += "#!/bin/bash\n" if format == :bash_script
result += <<EOS
heading() {
echo -e "\\n== $1 =="
}
step() {
step_count=5
heading "[$1/$step_count] $2"
}
version_lte() {
[ "$1" = "`echo -e "$1\\n$2" | sort -V | head -n1`" ]
}
version_lt() {
[ "$1" = "$2" ] && return 1 || version_lte $1 $2
}
verify_minimal_version() {
minimal_version=#{MINIMUM_VIRT_WHO_VERSION}
installed_version=`rpm -q --queryformat '%{VERSION}' virt-who`
if version_lt $installed_version $minimal_version; then
echo "virt-who $installed_version does not meet minimum requirements, please make sure this host is properly subscribed and has access to katello-host-tools repository, minimal virt-who version is $minimal_version"
return 1
else
return 0
fi
}
result_code=#{error_code(:success)}
compose_install_command() {
$1 packages unlock
$1 advanced procedure run packages-install --packages virt-who --assumeyes || result_code=$(($result_code|#{error_code(:virt_who_installation)}))
$1 packages lock
}
install_virt_who() {
if `rpm -q satellite-maintain > /dev/null`; then
compose_install_command satellite-maintain
elif `rpm -q rubygem-foreman_maintain > /dev/null`; then
compose_install_command foreman-maintain
else
yum install -y virt-who || result_code=$(($result_code|#{error_code(:virt_who_installation)}))
fi
}
step 1 "Installing virt-who"
install_virt_who
if verify_minimal_version; then
step 2 "Encrypting password"
cr_password=$(virt-who-password --password $(echo #{cr_password_base64}|base64 -d) 2> /dev/null)
user_password=$(virt-who-password --password '#{service_user_password}' 2> /dev/null)
step 3 "Creating virt-who configuration"
cat > #{config_file_path} << EOF
### This configuration file is managed via the virt-who configure plugin
### manual edits will be deleted.
[#{identifier}]
type=#{type}
hypervisor_id=#{hypervisor_id}
owner=#{owner}
#{connection_details}#{filtering}
rhsm_hostname=#{satellite_url}
rhsm_username=#{service_user_username}
rhsm_encrypted_password=$user_password
rhsm_prefix=/rhsm#{kubeconfig}#{ahv_config_options}
EOF
if [ $? -ne 0 ]; then result_code=$(($result_code|#{error_code(:virt_who_config_file_issue)})); fi
step 4 "Creating sysconfig virt-who configuration"
cat > #{default_config_path} << EOF
### This configuration file is managed via the virt-who configure plugin
### manual edits will be deleted.
[global]
debug=#{config.debug? ? 1 : 0}
interval=#{config.interval * 60}#{proxy_strings}
oneshot=False
EOF
if [ $? -ne 0 ]; then result_code=$(($result_code|#{error_code(:virt_who_sysconfig_file_issue)})); fi
step 5 "Enabling and restarting the virt-who service"
systemctl enable virt-who || result_code=$(($result_code|#{error_code(:virt_who_systemctl_issue)}))
systemctl restart virt-who || result_code=$(($result_code|#{error_code(:virt_who_service_issue)}))
else
result_code=$(($result_code|#{error_code(:virt_who_too_old)}))
fi
heading "Finished"
if [ $result_code -ne 0 ]; then
echo "There were some errors during configuration:"
#{error_handling}
else
echo "Finished successfully"
fi
EOS
result += "exit $result_code\n" if format == :bash_script
result
end
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