[英]How do I compare a registry_value (value in the machine) with the node attribute for every chef-client run if the value keeps changing
[英]In the second run of chef-client, lazy attribute of docker_container on “link” is not getting resolved and passed unreadable value
我第一次问堆栈溢出问题,在中国,我很少能见到任何厨师开发人员谈论我的问题,因此我将其张贴在这里寻求帮助。 这个问题困扰了我好几个星期,而我仍在努力解决它。
这是我的错误信息:
* directory[/root/tools/projectname/../bootproxy] action create (up to date)
*模板[/root/tools/projectname/../bootproxy/oc.proxy.conf]操作创建(最新)*目录[/root/tools/projectname/../bootproxy]操作创建(最新) * file [/tmp/dockerinfo.txt]操作删除-删除文件/tmp/dockerinfo.txt * bash [docker ps -a | grep -v CONTAINER | grep -v monitor | awk'{print $ 1,$ NF}']动作运行-执行“ bash”“ / tmp / chef-script20170319-2107-fx41as” * ruby_block [结果]动作运行-执行ruby块结果* docker_container [bootproxy]动作重新部署-停止bootproxy(将在30秒后终止)-删除引导代理================================================= =============================对资源'docker_container [bootproxy]'执行动作redeploy
时出错======= ================================================== =======================
Docker::Error::ServerError
--------------------------
Could not get container for bootproxy
Cookbook Trace:
---------------
/var/chef/cache/cookbooks/docker/libraries/docker_container.rb:319:in `block (3 levels) in <class:DockerContainer>'
/var/chef/cache/cookbooks/docker/libraries/helpers_base.rb:66:in `with_retries'
/var/chef/cache/cookbooks/docker/libraries/docker_container.rb:250:in `block (2 levels) in <class:DockerContainer>'
/var/chef/cache/cookbooks/compat_resource/files/lib/chef_compat/copied_from_chef/chef/provider.rb:81:in `converge_if_changed'
/var/chef/cache/cookbooks/docker/libraries/docker_container.rb:247:in `block in <class:DockerContainer>'
/var/chef/cache/cookbooks/compat_resource/files/lib/chef_compat/copied_from_chef/chef/provider.rb:132:in `instance_eval'
/var/chef/cache/cookbooks/compat_resource/files/lib/chef_compat/copied_from_chef/chef/provider.rb:132:in `compile_and_converge_action'
/var/chef/cache/cookbooks/docker/libraries/docker_container.rb:169:in `call_action'
/var/chef/cache/cookbooks/docker/libraries/docker_container.rb:360:in `block in <class:DockerContainer>'
/var/chef/cache/cookbooks/compat_resource/files/lib/chef_compat/copied_from_chef/chef/provider.rb:132:in `instance_eval'
/var/chef/cache/cookbooks/compat_resource/files/lib/chef_compat/copied_from_chef/chef/provider.rb:132:in `compile_and_converge_action'
/var/chef/cache/cookbooks/docker/libraries/docker_container.rb:169:in `call_action'
/var/chef/cache/cookbooks/docker/libraries/docker_container.rb:403:in `block in <class:DockerContainer>'
/var/chef/cache/cookbooks/compat_resource/files/lib/chef_compat/copied_from_chef/chef/provider.rb:132:in `instance_eval'
/var/chef/cache/cookbooks/compat_resource/files/lib/chef_compat/copied_from_chef/chef/provider.rb:132:in `compile_and_converge_action'
/var/chef/cache/cookbooks/compat_resource/files/lib/chef_compat/monkeypatches/chef/runner.rb:78:in `run_action'
/var/chef/cache/cookbooks/compat_resource/files/lib/chef_compat/monkeypatches/chef/runner.rb:106:in `block (2 levels) in converge'
/var/chef/cache/cookbooks/compat_resource/files/lib/chef_compat/monkeypatches/chef/runner.rb:106:in `each'
/var/chef/cache/cookbooks/compat_resource/files/lib/chef_compat/monkeypatches/chef/runner.rb:106:in `block in converge'
/var/chef/cache/cookbooks/compat_resource/files/lib/chef_compat/monkeypatches/chef/runner.rb:105:in `converge'
Resource Declaration:
---------------------
# In /var/chef/cache/cookbooks/webserver/recipes/default.rb
218: docker_container container_name do
219: repo docker[:image]
220: tag docker[:tag]
221: #Add all docker link
222: # links node.set[:linking]
223: links lazy{node.run_state[:linking]}
224: env docker[:env]
225: command docker[:command]
226: kill_after 30
227: # autoremove true
228: action :redeploy
229: port docker[:ports]
230: volumes node.default["bindvolume"]
231: cap_add 'SYS_ADMIN'
232: devices []
233: privileged true
234: timeout 30
235: # {["/dev/fuse"]}
236: end
237: else
238: docker_container container_name do
239: repo docker[:image]
240: tag docker[:tag]
241: #Add all docker link
242: links node.run_state[:linking]
243: env docker[:env]
244: command docker[:command]
245: kill_after 30
246: # autoremove true
247: action :redeploy
248: port docker[:ports]
249: volumes node.default["bindvolume"]
250: cap_add 'SYS_ADMIN'
251: devices []
252: privileged true
253: timeout 30
254: # {["/dev/fuse"]}
255: end
256: end
257:
258: if (not (defined?(docker[:exec])).nil?) && (not "#{docker[:exec]}" == "")
259: execute 'execute command inside docker' do
260: command "docker exec -i #{container_name} /bin/bash -c \'#{docker[:exec]}\'"
261: end
262: end
263:
264: etchosts.push("#{container_name}:#{container_name}")
265: end
266:
267: #Add proxy.conf to folder if bootproxy defined
268: if defined?(node[:externalmode]) && node[:externalmode].eql?("bootproxy")
269: #Prepare bootproxy directories
270: directory "#{node[:deploycode][:basedirectory]}../bootproxy" do
Compiled Resource:
------------------
# Declared in /var/chef/cache/cookbooks/webserver/recipes/default.rb:218:in `block in from_file'
docker_container("bootproxy") do
action [:redeploy]
retries 0
retry_delay 2
default_guard_interpreter :default
declared_type :docker_container
cookbook_name "webserver"
recipe_name "default"
kill_after 30
repo "daocloud.io/library/nginx"
tag "stable-alpine"
exposed_ports {"80/tcp"=>{}, "5000/tcp"=>{}}
port_bindings {"80/tcp"=>[{"HostIp"=>"0.0.0.0", "HostPort"=>"80"}], "5000/tcp"=>[{"HostIp"=>"0.0.0.0", "HostPort"=>"5000"}]}
port ["80:80", "5000:5000"]
volumes_binds ["/root/tools/projectname/../bootproxy:/etc/nginx/conf.d/"]
links #<ChefCompat::CopiedFromChef::Chef::DelayedEvaluator:0x000000055c4a90@/var/chef/cache/cookbooks/webserver/recipes/default.rb:223>
cap_add ["SYS_ADMIN"]
privileged true
timeout 30
connection #<Docker::Connection:0x00000008301238 @url="unix:///", @options={:socket=>"/var/run/docker.sock", :read_timeout=>60}>
network_mode "bridge"
detach true
signal "SIGTERM"
end
正在运行的处理程序:[2017-03-19T21:20:15 + 08:00]错误:正在运行的异常处理程序正在运行的处理程序完成[2017-03-19T21:20:15 + 08:00]错误:异常处理程序完成Chef Client失败。 34秒内更新了20个资源[2017-03-19T21:20:15 + 08:00]致命:Stacktrace转储至/var/chef/cache/chef-stacktrace.out [2017-03-19T21:20:15 + 08 :00]错误:docker_container [bootproxy](webserver ::默认行218)发生错误:Docker :: Error :: ServerError:无法获取bootproxy的容器
[2017-03-19T21:20:15 + 08:00]致命:Chef :: Exceptions :: ChildConvergeError:Chef运行进程未成功退出(退出代码1)
这是我的代码:
node.run_state[:linking] = []
#Special handling if bootproxy, get all local running docker id and name and link into bootproxy
if localfolder.eql?("bootproxy")
container_name = localfolder
node.set[:dockerinfo] = []
results = "/tmp/dockerinfo.txt"
file results do
action :delete
end
cmd = "docker ps -a|grep -v CONTAINER|grep -v monitor|awk \'{print $1, $NF}\'"
bash cmd do
code <<-EOH
#{cmd} > #{results}
EOH
end
ruby_block "result" do
only_if { "cat #{results}| wc -l;while [ $? -ne 0 ]; do cat #{results}| wc -l;done" }
# only_if { ::File.exists?(results) }
block do
f = File.open(results)
dockerinfo = Hash.new
f.each do |line|
dockerinfo[line.chomp.split(' ')[0]] = line.chomp.split(' ')[1]
end
f.close
node.set[:dockerinfo] = dockerinfo
node.run_state[:linking] = dockerinfo
node.run_state[:linking] = []
node.set[:dockerinfo].each do |hash, dockername|
node.run_state[:linking].push("#{dockername}:#{dockername}")
end
end
end
else
node.run_state[:linking] = etchosts
end
if node.default["bindvolume"].eql?([":"])
node.default["bindvolume"] = nil
end
if localfolder.eql?("bootproxy")
# Using lazy evaluation if bootproxy
docker_container container_name do
repo docker[:image]
tag docker[:tag]
#Add all docker link
# links node.set[:linking]
links lazy{node.run_state[:linking]}
env docker[:env]
command docker[:command]
kill_after 30
# autoremove true
action :redeploy
port docker[:ports]
volumes node.default["bindvolume"]
cap_add 'SYS_ADMIN'
devices []
privileged true
timeout 30
# {["/dev/fuse"]}
end
else
docker_container container_name do
repo docker[:image]
tag docker[:tag]
#Add all docker link
links node.run_state[:linking]
env docker[:env]
command docker[:command]
kill_after 30
# autoremove true
action :redeploy
port docker[:ports]
volumes node.default["bindvolume"]
cap_add 'SYS_ADMIN'
devices []
privileged true
timeout 30
# {["/dev/fuse"]}
end
end
我要在这里执行的操作是通过厨师docker cookbook 2.14.3版运行一组docker,名称循环到“ localfolder”,并且当localfolder =“ bootproxy”时,执行bash命令以检查当前正在运行的docker并通过名为“ bootproxy”的nginx泊坞窗链接它们。
我的问题是,每当我清除所有缓存或重新上传所有食谱“ webserver”后,chef-client都可以正常运行而没有错误。 但是当我重新运行厨师客户时,我得到了
Docker::Error::ServerError
--------------------------
Could not get container for bootproxy
由于“ docker_container”中“ links”的值,资源变为“#”,而不是包含当前正在运行的docker名称(例如[“ container1:container1”,“ container2:container2”,“ container3:container3”)的数组。 因此,我怀疑尝试从主机获取值的ruby_block正在缓存,并且在第一次连续执行后未运行。 我删除了缓存(rm -rf / var / chef / cache)证明了这一点,但我无法在Cookbook中定义删除缓存(这也不是一种有效的解决方法)。 我需要使厨师客户端能够重新运行,因为我正在使用它在整个环境中部署我的代码集。 请给我任何建议。
谢谢!
我认为您错过了修复第二个资源的机会,它没有使用lazy{}
帮助程序。
总体而言,此代码有些混乱,因此一开始就很难分辨它在做什么。 我建议编写大量测试,也许还要发表更多评论。
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