Module: Vmpooler
- Defined in:
- lib/vmpooler/util/parsing.rb,
lib/vmpooler.rb,
lib/vmpooler/api.rb,
lib/vmpooler/api/v1.rb,
lib/vmpooler/api/v2.rb,
lib/vmpooler/logger.rb,
lib/vmpooler/metrics.rb,
lib/vmpooler/version.rb,
lib/vmpooler/dashboard.rb,
lib/vmpooler/providers.rb,
lib/vmpooler/api/helpers.rb,
lib/vmpooler/api/reroute.rb,
lib/vmpooler/pool_manager.rb,
lib/vmpooler/api/dashboard.rb,
lib/vmpooler/metrics/statsd.rb,
lib/vmpooler/providers/base.rb,
lib/vmpooler/api/healthcheck.rb,
lib/vmpooler/providers/dummy.rb,
lib/vmpooler/metrics/graphite.rb,
lib/vmpooler/metrics/promstats.rb,
lib/vmpooler/api/request_logger.rb,
lib/vmpooler/metrics/dummy_statsd.rb,
lib/vmpooler/generic_connection_pool.rb,
lib/vmpooler/metrics/promstats/collector_middleware.rb
Overview
utility class shared between apps api and pool_manager
Defined Under Namespace
Classes: API, Dashboard, Logger, Metrics, Parsing, PoolManager, Providers
Constant Summary
collapse
- VERSION =
'2.3.0'
Class Method Summary
collapse
-
.config(filepath = 'vmpooler.yaml') ⇒ Object
-
.configure_tracing(startup_args, prefix, tracing_enabled, tracing_jaeger_host, version) ⇒ Object
-
.load_pools_from_redis(redis) ⇒ Object
-
.new_redis(host = 'localhost', port = nil, password = nil, redis_reconnect_attempts = 10) ⇒ Object
-
.pool_index(pools) ⇒ Object
-
.pools(conf) ⇒ Object
-
.redis_connection_pool(host, port, password, size, timeout, metrics, redis_reconnect_attempts = 0) ⇒ Object
-
.set_linked_clone(parsed_config) ⇒ Object
rubocop:disable Naming/AccessorMethodName.
-
.string_to_int(s) ⇒ Object
-
.true?(obj) ⇒ Boolean
Class Method Details
.config(filepath = 'vmpooler.yaml') ⇒ Object
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# File 'lib/vmpooler.rb', line 31
def self.config(filepath = 'vmpooler.yaml')
if ENV['VMPOOLER_CONFIG']
config_string = ENV['VMPOOLER_CONFIG']
parsed_config = YAML.safe_load(config_string, [Symbol])
else
config_file = ENV['VMPOOLER_CONFIG_FILE'] || filepath
parsed_config = YAML.load_file(config_file) if File.exist? config_file
parsed_config[:config]['extra_config'] = ENV['EXTRA_CONFIG'] if ENV['EXTRA_CONFIG']
if parsed_config[:config]['extra_config']
= parsed_config[:config]['extra_config'].split(',')
.each do |config|
puts "loading extra_config file #{config}"
= YAML.load_file(config)
parsed_config.deep_merge()
end
end
end
parsed_config ||= { config: {} }
if parsed_config.key?(:auth) && parsed_config[:auth]['provider'] == 'dummy' && !ENV['VMPOOLER_DEBUG']
warning = [
'Dummy authentication should not be used outside of debug mode',
'please set environment variable VMPOOLER_DEBUG to \'true\' if you want to use dummy authentication'
]
raise warning.join(";\s")
end
parsed_config[:config]['task_limit'] = string_to_int(ENV['TASK_LIMIT']) || parsed_config[:config]['task_limit'] || 10
parsed_config[:config]['ondemand_clone_limit'] = string_to_int(ENV['ONDEMAND_CLONE_LIMIT']) || parsed_config[:config]['ondemand_clone_limit'] || 10
parsed_config[:config]['max_ondemand_instances_per_request'] = string_to_int(ENV['MAX_ONDEMAND_INSTANCES_PER_REQUEST']) || parsed_config[:config]['max_ondemand_instances_per_request'] || 10
parsed_config[:config]['migration_limit'] = string_to_int(ENV['MIGRATION_LIMIT']) if ENV['MIGRATION_LIMIT']
parsed_config[:config]['vm_checktime'] = string_to_int(ENV['VM_CHECKTIME']) || parsed_config[:config]['vm_checktime'] || 1
parsed_config[:config]['vm_lifetime'] = string_to_int(ENV['VM_LIFETIME']) || parsed_config[:config]['vm_lifetime'] || 24
parsed_config[:config]['max_lifetime_upper_limit'] = string_to_int(ENV['MAX_LIFETIME_UPPER_LIMIT']) || parsed_config[:config]['max_lifetime_upper_limit']
parsed_config[:config]['ready_ttl'] = string_to_int(ENV['READY_TTL']) || parsed_config[:config]['ready_ttl'] || 60
parsed_config[:config]['ondemand_request_ttl'] = string_to_int(ENV['ONDEMAND_REQUEST_TTL']) || parsed_config[:config]['ondemand_request_ttl'] || 5
parsed_config[:config]['prefix'] = ENV['PREFIX'] || parsed_config[:config]['prefix'] || ''
parsed_config[:config]['logfile'] = ENV['LOGFILE'] if ENV['LOGFILE']
parsed_config[:config]['site_name'] = ENV['SITE_NAME'] if ENV['SITE_NAME']
parsed_config[:config]['domain'] = ENV['DOMAIN'] if ENV['DOMAIN']
parsed_config[:config]['clone_target'] = ENV['CLONE_TARGET'] if ENV['CLONE_TARGET']
parsed_config[:config]['timeout'] = string_to_int(ENV['TIMEOUT']) if ENV['TIMEOUT']
parsed_config[:config]['vm_lifetime_auth'] = string_to_int(ENV['VM_LIFETIME_AUTH']) if ENV['VM_LIFETIME_AUTH']
parsed_config[:config]['max_tries'] = string_to_int(ENV['MAX_TRIES']) if ENV['MAX_TRIES']
parsed_config[:config]['retry_factor'] = string_to_int(ENV['RETRY_FACTOR']) if ENV['RETRY_FACTOR']
parsed_config[:config]['create_folders'] = true?(ENV['CREATE_FOLDERS']) if ENV['CREATE_FOLDERS']
parsed_config[:config]['experimental_features'] = ENV['EXPERIMENTAL_FEATURES'] if ENV['EXPERIMENTAL_FEATURES']
parsed_config[:config]['usage_stats'] = ENV['USAGE_STATS'] if ENV['USAGE_STATS']
parsed_config[:config]['request_logger'] = ENV['REQUEST_LOGGER'] if ENV['REQUEST_LOGGER']
parsed_config[:config]['create_template_delta_disks'] = ENV['CREATE_TEMPLATE_DELTA_DISKS'] if ENV['CREATE_TEMPLATE_DELTA_DISKS']
parsed_config[:config]['purge_unconfigured_resources'] = ENV['PURGE_UNCONFIGURED_RESOURCES'] if ENV['PURGE_UNCONFIGURED_RESOURCES']
parsed_config[:config]['purge_unconfigured_resources'] = ENV['PURGE_UNCONFIGURED_FOLDERS'] if ENV['PURGE_UNCONFIGURED_FOLDERS']
puts '[!] [deprecation] rename ENV var \'PURGE_UNCONFIGURED_FOLDERS\' to \'PURGE_UNCONFIGURED_RESOURCES\'' if ENV['PURGE_UNCONFIGURED_FOLDERS']
set_linked_clone(parsed_config)
parsed_config[:redis] = parsed_config[:redis] || {}
parsed_config[:redis]['server'] = ENV['REDIS_SERVER'] || parsed_config[:redis]['server'] || 'localhost'
parsed_config[:redis]['port'] = string_to_int(ENV['REDIS_PORT']) if ENV['REDIS_PORT']
parsed_config[:redis]['password'] = ENV['REDIS_PASSWORD'] if ENV['REDIS_PASSWORD']
parsed_config[:redis]['data_ttl'] = string_to_int(ENV['REDIS_DATA_TTL']) || parsed_config[:redis]['data_ttl'] || 168
parsed_config[:redis]['connection_pool_size'] = string_to_int(ENV['REDIS_CONNECTION_POOL_SIZE']) || parsed_config[:redis]['connection_pool_size'] || 10
parsed_config[:redis]['connection_pool_timeout'] = string_to_int(ENV['REDIS_CONNECTION_POOL_TIMEOUT']) || parsed_config[:redis]['connection_pool_timeout'] || 5
parsed_config[:redis]['reconnect_attempts'] = string_to_int(ENV['REDIS_RECONNECT_ATTEMPTS']) || parsed_config[:redis]['reconnect_attempts'] || 10
parsed_config[:statsd] = parsed_config[:statsd] || {} if ENV['STATSD_SERVER']
parsed_config[:statsd]['server'] = ENV['STATSD_SERVER'] if ENV['STATSD_SERVER']
parsed_config[:statsd]['prefix'] = ENV['STATSD_PREFIX'] if ENV['STATSD_PREFIX']
parsed_config[:statsd]['port'] = string_to_int(ENV['STATSD_PORT']) if ENV['STATSD_PORT']
parsed_config[:graphite] = parsed_config[:graphite] || {} if ENV['GRAPHITE_SERVER']
parsed_config[:graphite]['server'] = ENV['GRAPHITE_SERVER'] if ENV['GRAPHITE_SERVER']
parsed_config[:graphite]['prefix'] = ENV['GRAPHITE_PREFIX'] if ENV['GRAPHITE_PREFIX']
parsed_config[:graphite]['port'] = string_to_int(ENV['GRAPHITE_PORT']) if ENV['GRAPHITE_PORT']
parsed_config[:tracing] = parsed_config[:tracing] || {}
parsed_config[:tracing]['enabled'] = ENV['VMPOOLER_TRACING_ENABLED'] || parsed_config[:tracing]['enabled'] || 'false'
parsed_config[:tracing]['jaeger_host'] = ENV['VMPOOLER_TRACING_JAEGER_HOST'] || parsed_config[:tracing]['jaeger_host'] || 'http://localhost:14268/api/traces'
parsed_config[:auth] = parsed_config[:auth] || {} if ENV['AUTH_PROVIDER']
if parsed_config.key? :auth
parsed_config[:auth]['provider'] = ENV['AUTH_PROVIDER'] if ENV['AUTH_PROVIDER']
parsed_config[:auth][:ldap] = parsed_config[:auth][:ldap] || {} if parsed_config[:auth]['provider'] == 'ldap'
parsed_config[:auth][:ldap]['host'] = ENV['LDAP_HOST'] if ENV['LDAP_HOST']
parsed_config[:auth][:ldap]['port'] = string_to_int(ENV['LDAP_PORT']) if ENV['LDAP_PORT']
parsed_config[:auth][:ldap]['base'] = ENV['LDAP_BASE'] if ENV['LDAP_BASE']
parsed_config[:auth][:ldap]['user_object'] = ENV['LDAP_USER_OBJECT'] if ENV['LDAP_USER_OBJECT']
if parsed_config[:auth]['provider'] == 'ldap' && parsed_config[:auth][:ldap].key?('encryption')
parsed_config[:auth][:ldap]['encryption'] = parsed_config[:auth][:ldap]['encryption']
elsif parsed_config[:auth]['provider'] == 'ldap'
parsed_config[:auth][:ldap]['encryption'] = {}
end
end
parsed_config[:pool_names] = Set.new
unless parsed_config[:pools]
puts 'loading pools configuration from redis, since the config[:pools] is empty'
redis = new_redis(parsed_config[:redis]['server'], parsed_config[:redis]['port'], parsed_config[:redis]['password'])
parsed_config[:pools] = load_pools_from_redis(redis)
end
serialized_pools = Marshal.dump(parsed_config[:pools])
parsed_config[:pools_at_startup] = Marshal.load(serialized_pools)
parsed_config[:pool_index] = pool_index(parsed_config[:pools])
parsed_config[:pools].each do |pool|
parsed_config[:pool_names] << pool['name']
pool['ready_ttl'] ||= parsed_config[:config]['ready_ttl']
if pool['alias']
if pool['alias'].instance_of?(Array)
pool['alias'].each do |pool_alias|
parsed_config[:alias] ||= {}
parsed_config[:alias][pool_alias] = [pool['name']] unless parsed_config[:alias].key? pool_alias
parsed_config[:alias][pool_alias] << pool['name'] unless parsed_config[:alias][pool_alias].include? pool['name']
parsed_config[:pool_names] << pool_alias
end
elsif pool['alias'].instance_of?(String)
parsed_config[:alias][pool['alias']] = pool['name']
parsed_config[:pool_names] << pool['alias']
end
end
end
parsed_config[:tagfilter]&.keys&.each do |tag|
parsed_config[:tagfilter][tag] = Regexp.new(parsed_config[:tagfilter][tag])
end
parsed_config[:uptime] = Time.now
parsed_config
end
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# File 'lib/vmpooler.rb', line 245
def self.configure_tracing(startup_args, prefix, tracing_enabled, tracing_jaeger_host, version)
if startup_args.length == 1 && startup_args.include?('api')
service_name = 'vmpooler-api'
elsif startup_args.length == 1 && startup_args.include?('manager')
service_name = 'vmpooler-manager'
else
service_name = 'vmpooler'
end
service_name += "-#{prefix}" unless prefix.empty?
if tracing_enabled.eql?('false')
puts "Exporting of traces has been disabled so the span processor has been se to a 'NoopSpanExporter'"
span_processor = OpenTelemetry::SDK::Trace::Export::BatchSpanProcessor.new(
OpenTelemetry::SDK::Trace::Export::NoopSpanExporter.new
)
else
puts "Exporting of traces will be done over HTTP in binary Thrift format to #{tracing_jaeger_host}"
span_processor = OpenTelemetry::SDK::Trace::Export::BatchSpanProcessor.new(
OpenTelemetry::Exporter::Jaeger::CollectorExporter.new(endpoint: tracing_jaeger_host)
)
end
OpenTelemetry::SDK.configure do |c|
c.use 'OpenTelemetry::Instrumentation::Sinatra'
c.use 'OpenTelemetry::Instrumentation::ConcurrentRuby'
c.use 'OpenTelemetry::Instrumentation::HttpClient'
c.use 'OpenTelemetry::Instrumentation::Redis'
c.add_span_processor(span_processor)
c.service_name = service_name
c.service_version = version
c.resource = OpenTelemetry::Resource::Detectors::AutoDetector.detect
end
end
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.load_pools_from_redis(redis) ⇒ Object
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# File 'lib/vmpooler.rb', line 181
def self.load_pools_from_redis(redis)
pools = []
redis.smembers('vmpooler__pools').each do |pool|
pool_hash = {}
redis.hgetall("vmpooler__pool__#{pool}").each do |k, v|
pool_hash[k] = v
end
pool_hash['alias'] = pool_hash['alias'].split(',')
pools << pool_hash
end
pools
end
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.new_redis(host = 'localhost', port = nil, password = nil, redis_reconnect_attempts = 10) ⇒ Object
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# File 'lib/vmpooler.rb', line 208
def self.new_redis(host = 'localhost', port = nil, password = nil, redis_reconnect_attempts = 10)
Redis.new(host: host, port: port, password: password, reconnect_attempts: redis_reconnect_attempts, reconnect_delay: 1.5,
reconnect_delay_max: 10.0)
end
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.pool_index(pools) ⇒ Object
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# File 'lib/vmpooler.rb', line 217
def self.pool_index(pools)
pools_hash = {}
index = 0
pools.each do |pool|
pools_hash[pool['name']] = index
index += 1
end
pools_hash
end
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.pools(conf) ⇒ Object
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# File 'lib/vmpooler.rb', line 213
def self.pools(conf)
conf[:pools]
end
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.redis_connection_pool(host, port, password, size, timeout, metrics, redis_reconnect_attempts = 0) ⇒ Object
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# File 'lib/vmpooler.rb', line 194
def self.redis_connection_pool(host, port, password, size, timeout, metrics, redis_reconnect_attempts = 0)
Vmpooler::PoolManager::GenericConnectionPool.new(
metrics: metrics,
connpool_type: 'redis_connection_pool',
connpool_provider: 'manager',
size: size,
timeout: timeout
) do
connection = Concurrent::Hash.new
redis = new_redis(host, port, password, redis_reconnect_attempts)
connection['connection'] = redis
end
end
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.set_linked_clone(parsed_config) ⇒ Object
rubocop:disable Naming/AccessorMethodName
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# File 'lib/vmpooler.rb', line 239
def self.set_linked_clone(parsed_config) parsed_config[:config]['create_linked_clones'] = parsed_config[:config]['create_linked_clones'] || true
parsed_config[:config]['create_linked_clones'] = ENV['CREATE_LINKED_CLONES'] if ENV['CREATE_LINKED_CLONES'] =~ /true|false/
parsed_config[:config]['create_linked_clones'] = true?(parsed_config[:config]['create_linked_clones']) if parsed_config[:config]['create_linked_clones']
end
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.string_to_int(s) ⇒ Object
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# File 'lib/vmpooler.rb', line 227
def self.string_to_int(s)
return if s.nil?
return unless s =~ /\d/
Integer(s)
end
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.true?(obj) ⇒ Boolean
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# File 'lib/vmpooler.rb', line 235
def self.true?(obj)
obj.to_s.downcase == 'true'
end
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