Class: Beaker::Vmpooler
Constant Summary
collapse
- SSH_EXCEPTIONS =
[
SocketError,
Timeout::Error,
Errno::ETIMEDOUT,
Errno::EHOSTDOWN,
Errno::EHOSTUNREACH,
Errno::ECONNREFUSED,
Errno::ECONNRESET,
Errno::ENETUNREACH,
]
Constants inherited
from Hypervisor
Hypervisor::CHARMAP
HostPrebuiltSteps::APT_CFG, HostPrebuiltSteps::ARCHLINUX_PACKAGES, HostPrebuiltSteps::CUMULUS_PACKAGES, HostPrebuiltSteps::DEBIAN_PACKAGES, HostPrebuiltSteps::ETC_HOSTS_PATH, HostPrebuiltSteps::ETC_HOSTS_PATH_SOLARIS, HostPrebuiltSteps::FREEBSD_PACKAGES, HostPrebuiltSteps::IPS_PKG_REPO, HostPrebuiltSteps::NTPSERVER, HostPrebuiltSteps::OPENBSD_PACKAGES, HostPrebuiltSteps::PSWINDOWS_PACKAGES, HostPrebuiltSteps::ROOT_KEYS_SCRIPT, HostPrebuiltSteps::ROOT_KEYS_SYNC_CMD, HostPrebuiltSteps::ROOT_KEYS_SYNC_CMD_AIX, HostPrebuiltSteps::SLEEPWAIT, HostPrebuiltSteps::SLES10_PACKAGES, HostPrebuiltSteps::SLES_PACKAGES, HostPrebuiltSteps::SOLARIS10_PACKAGES, HostPrebuiltSteps::SOLARIS11_PACKAGES, HostPrebuiltSteps::TRIES, HostPrebuiltSteps::UNIX_PACKAGES, HostPrebuiltSteps::WINDOWS_PACKAGES
Instance Attribute Summary collapse
Instance Method Summary
collapse
Methods inherited from Hypervisor
#configure, create, #generate_host_name, #proxy_package_manager, #validate
#add_el_extras, #additive_hash_merge, #apt_get_update, #check_and_install_packages_if_needed, #construct_env, #copy_file_to_remote, #copy_ssh_to_root, #disable_iptables, #disable_se_linux, #disable_updates, #enable_root_login, #get_domain_name, #get_ip, #hack_etc_hosts, #install_one_of_packages, #package_proxy, #proxy_config, #set_env, #set_etc_hosts, #sync_root_keys, #timesync, #validate_host
#block_on
Constructor Details
#initialize(vmpooler_hosts, options) ⇒ Vmpooler
Returns a new instance of Vmpooler.
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# File 'lib/beaker/hypervisor/vmpooler.rb', line 20
def initialize(vmpooler_hosts, options)
@options = options
@logger = options[:logger]
@hosts = vmpooler_hosts
@credentials = load_credentials(@options[:dot_fog])
end
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Instance Attribute Details
#credentials ⇒ Object
Returns the value of attribute credentials.
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# File 'lib/beaker/hypervisor/vmpooler.rb', line 18
def credentials
@credentials
end
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#hosts ⇒ Object
Returns the value of attribute hosts.
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# File 'lib/beaker/hypervisor/vmpooler.rb', line 18
def hosts
@hosts
end
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#logger ⇒ Object
Returns the value of attribute logger.
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# File 'lib/beaker/hypervisor/vmpooler.rb', line 18
def logger
@logger
end
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#options ⇒ Object
Returns the value of attribute options.
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# File 'lib/beaker/hypervisor/vmpooler.rb', line 18
def options
@options
end
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Instance Method Details
#add_disk(hostname, disk_size) ⇒ Object
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# File 'lib/beaker/hypervisor/vmpooler.rb', line 276
def add_disk(hostname, disk_size)
@logger.notify "Requesting an additional disk of size #{disk_size}GB for #{hostname}"
if !disk_size.to_s.match /[0123456789]/ || size <= '0'
raise NameError.new "Disk size must be an integer greater than zero!"
end
begin
uri = URI.parse(@options[:pooling_api] + '/api/v1/vm/' + hostname + '/disk/' + disk_size.to_s)
http = Net::HTTP.new(uri.host, uri.port)
request = Net::HTTP::Post.new(uri.request_uri)
request['X-AUTH-TOKEN'] = @credentials[:vmpooler_token]
response = http.request(request)
parsed = parse_response(response)
raise "Response from #{hostname} indicates disk was not added" if !parsed['ok']
rescue NameError, RuntimeError, Errno::EINVAL, Errno::ECONNRESET, EOFError,
Net::HTTPBadResponse, Net::HTTPHeaderSyntaxError, *SSH_EXCEPTIONS => e
report_and_raise(@logger, e, 'Vmpooler.add_disk')
end
end
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Override host tags with presets
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# File 'lib/beaker/hypervisor/vmpooler.rb', line 82
def add_tags(host)
host[:host_tags].merge(
'beaker_version' => Beaker::Version::STRING,
'jenkins_build_url' => @options[:jenkins_build_url],
'department' => @options[:department],
'project' => @options[:project],
'created_by' => @options[:created_by],
'name' => host.name,
'roles' => host.host_hash[:roles].join(', ')
)
end
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#check_url(url) ⇒ Object
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# File 'lib/beaker/hypervisor/vmpooler.rb', line 54
def check_url url
begin
URI.parse(url)
rescue
return false
end
true
end
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#cleanup ⇒ Object
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# File 'lib/beaker/hypervisor/vmpooler.rb', line 247
def cleanup
vm_names = @hosts.map {|h| h['vmhostname'] }.compact
if @hosts.length != vm_names.length
@logger.warn "Some hosts did not have vmhostname set correctly! This likely means VM provisioning was not successful"
end
start = Time.now
vm_names.each do |name|
@logger.notify "Handing '#{name}' back to vmpooler for VM destruction"
uri = URI.parse(get_template_url(@options['pooling_api'], name))
http = Net::HTTP.new( uri.host, uri.port )
request = Net::HTTP::Delete.new(uri.request_uri)
if @credentials[:vmpooler_token]
request['X-AUTH-TOKEN'] = @credentials[:vmpooler_token]
end
begin
response = http.request(request)
rescue *SSH_EXCEPTIONS => e
report_and_raise(@logger, e, 'Vmpooler.cleanup (http.request)')
end
end
@logger.notify "Spent %.2f seconds cleaning up" % (Time.now - start)
end
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#disk_added?(host, disk_size, index) ⇒ Boolean
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# File 'lib/beaker/hypervisor/vmpooler.rb', line 306
def disk_added?(host, disk_size, index)
if host['disk'].nil?
false
else
host['disk'][index] == "+#{disk_size}gb"
end
end
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#get_host_info(parsed_response, template) ⇒ Hash
Get host info hash from parsed json response
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# File 'lib/beaker/hypervisor/vmpooler.rb', line 98
def get_host_info(parsed_response, template)
parsed_response[template]
end
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#get_template_url(pooling_api, template) ⇒ Object
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# File 'lib/beaker/hypervisor/vmpooler.rb', line 63
def get_template_url pooling_api, template
if not check_url(pooling_api)
raise ArgumentError, "Invalid pooling_api URL: #{pooling_api}"
end
scheme = ''
if not URI.parse(pooling_api).scheme
scheme = 'http://'
end
template_url = scheme + pooling_api + '/vm/' + template
if not check_url(template_url)
raise ArgumentError, "Invalid full template URL: #{template_url}"
end
template_url
end
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#get_vm(hostname) ⇒ Object
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# File 'lib/beaker/hypervisor/vmpooler.rb', line 314
def get_vm(hostname)
begin
uri = URI.parse(@options[:pooling_api] + '/vm/' + hostname)
http = Net::HTTP.new(uri.host, uri.port)
request = Net::HTTP::Get.new(uri.request_uri)
response = http.request(request)
rescue RuntimeError, Errno::EINVAL, Errno::ECONNRESET, EOFError,
Net::HTTPBadResponse, Net::HTTPHeaderSyntaxError, *SSH_EXCEPTIONS => e
@logger.notify "Failed to connect to vmpooler while getting VM information!"
end
end
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#load_credentials(dot_fog = '.fog') ⇒ Object
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# File 'lib/beaker/hypervisor/vmpooler.rb', line 27
def load_credentials(dot_fog = '.fog')
creds = {}
if fog = read_fog_file(dot_fog)
if fog[:default] && fog[:default][:vmpooler_token]
creds[:vmpooler_token] = fog[:default][:vmpooler_token]
else
@logger.warn "Credentials file (#{dot_fog}) is missing a :default section with a :vmpooler_token value; proceeding without authentication"
end
else
@logger.warn "Credentials file (#{dot_fog}) is empty; proceeding without authentication"
end
creds
rescue TypeError, Psych::SyntaxError => e
@logger.warn "#{e.class}: Credentials file (#{dot_fog}) has invalid syntax; proceeding without authentication"
creds
rescue Errno::ENOENT
@logger.warn "Credentials file (#{dot_fog}) not found; proceeding without authentication"
creds
end
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#parse_response(response) ⇒ Object
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# File 'lib/beaker/hypervisor/vmpooler.rb', line 302
def parse_response(response)
parsed_response = JSON.parse(response.body)
end
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#provision ⇒ Object
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# File 'lib/beaker/hypervisor/vmpooler.rb', line 102
def provision
request_payload = {}
start = Time.now
@hosts.each_with_index do |h, i|
if not h['template']
raise ArgumentError, "You must specify a template name for #{h}"
end
if h['template'] =~ /\//
templatefolders = h['template'].split('/')
h['template'] = templatefolders.pop
end
request_payload[h['template']] = (request_payload[h['template']].to_i + 1).to_s
end
last_wait, wait = 0, 1
waited = 0 begin
uri = URI.parse(@options['pooling_api'] + '/vm/')
http = Net::HTTP.new(uri.host, uri.port)
request = Net::HTTP::Post.new(uri.request_uri)
if @credentials[:vmpooler_token]
request['X-AUTH-TOKEN'] = @credentials[:vmpooler_token]
@logger.notify "Requesting VM set from vmpooler (with authentication token)"
else
@logger.notify "Requesting VM set from vmpooler"
end
request_payload_json = request_payload.to_json
@logger.trace( "Request payload json: #{request_payload_json}" )
request.body = request_payload_json
response = http.request(request)
parsed_response = JSON.parse(response.body)
@logger.trace( "Response parsed json: #{parsed_response}" )
if parsed_response['ok']
domain = parsed_response['domain']
request_payload = {}
@hosts.each_with_index do |h, i|
host_template = h['template']
if get_host_info(parsed_response, host_template).nil?
request_payload[host_template] ||= 0
request_payload[host_template] += 1
next
end
if parsed_response[h['template']]['hostname'].is_a?(Array)
hostname = parsed_response[host_template]['hostname'].shift
else
hostname = parsed_response[host_template]['hostname']
end
h['vmhostname'] = domain ? "#{hostname}.#{domain}" : hostname
@logger.notify "Using available host '#{h['vmhostname']}' (#{h.name})"
end
unless request_payload.empty?
raise "Vmpooler.provision - requested VM templates #{request_payload.keys} not available"
end
else
if response.code == '401'
raise "Vmpooler.provision - response from pooler not ok. Vmpooler token not authorized to make request.\n#{parsed_response}"
else
raise "Vmpooler.provision - response from pooler not ok. Requested host set #{request_payload.keys} not available in pooler.\n#{parsed_response}"
end
end
rescue JSON::ParserError, RuntimeError, *SSH_EXCEPTIONS => e
@logger.debug "Failed vmpooler provision: #{e.class} : #{e.message}"
if waited <= @options[:timeout].to_i
@logger.debug("Retrying provision for vmpooler host after waiting #{wait} second(s)")
sleep wait
waited += wait
last_wait, wait = wait, last_wait + wait
retry
end
report_and_raise(@logger, e, 'Vmpooler.provision')
end
@logger.notify 'Spent %.2f seconds grabbing VMs' % (Time.now - start)
start = Time.now
@logger.notify 'Tagging vmpooler VMs'
@hosts.each_with_index do |h, i|
begin
uri = URI.parse(@options[:pooling_api] + '/vm/' + h['vmhostname'].split('.')[0])
http = Net::HTTP.new(uri.host, uri.port)
request = Net::HTTP::Put.new(uri.request_uri)
request.body = { 'tags' => add_tags(h) }.to_json
response = http.request(request)
rescue RuntimeError, Errno::EINVAL, Errno::ECONNRESET, EOFError,
Net::HTTPBadResponse, Net::HTTPHeaderSyntaxError, *SSH_EXCEPTIONS => e
@logger.notify "Failed to connect to vmpooler for tagging!"
end
begin
parsed_response = JSON.parse(response.body)
unless parsed_response['ok']
@logger.notify "Failed to tag host '#{h['vmhostname']}'!"
end
rescue JSON::ParserError => e
@logger.notify "Failed to tag host '#{h['vmhostname']}'! (failed with #{e.class})"
end
end
@logger.notify 'Spent %.2f seconds tagging VMs' % (Time.now - start)
@logger.debug 'Looking for disks to add...'
@hosts.each do |h|
hostname = h['vmhostname'].split(".")[0]
if h['disks']
@logger.debug "Found disks for #{hostname}!"
disks = h['disks']
disks.each_with_index do |disk_size, index|
start = Time.now
add_disk(hostname, disk_size)
done = wait_for_disk(hostname, disk_size, index)
if done
@logger.notify "Spent %.2f seconds adding disk #{index}. " % (Time.now - start)
else
raise "Could not verify disk was added after %.2f seconds" % (Time.now - start)
end
end
else
@logger.debug "No disks to add for #{hostname}"
end
end
end
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#read_fog_file(dot_fog = '.fog') ⇒ Object
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# File 'lib/beaker/hypervisor/vmpooler.rb', line 50
def read_fog_file(dot_fog = '.fog')
YAML.load_file(dot_fog)
end
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#wait_for_disk(hostname, disk_size, index) ⇒ Object
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# File 'lib/beaker/hypervisor/vmpooler.rb', line 328
def wait_for_disk(hostname, disk_size, index)
response = get_vm(hostname)
parsed = parse_response(response)
@logger.notify "Waiting for disk"
attempts = 0
while (!disk_added?(parsed[hostname], disk_size, index) && attempts < 20)
sleep 10
begin
response = get_vm(hostname)
parsed = parse_response(response)
rescue RuntimeError, Errno::EINVAL, Errno::ECONNRESET, EOFError,
Net::HTTPBadResponse, Net::HTTPHeaderSyntaxError, *SSH_EXCEPTIONS => e
report_and_raise(@logger, e, "Vmpooler.wait_for_disk")
end
print "."
attempts += 1
end
puts " "
disk_added?(parsed[hostname], disk_size, index)
end
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