I am new to chef and have little understanding of Ruby.
I am getting below value in 'storage_conn_str'
SAS Token: #Chef::DelayedEvaluator:0x0000000006e28c80#c:/chef/cache/cookbooks/*****/recipes/*****.rb:20
In my recipe, I am repalcing '&' with "&". I have used lazy to delay the execution of variable in ruby block and resource.
Below is my recipe
key_vault_name node['key_vault_names']['Test']
end
ruby_block 'modify_token' do
block do
sastoken = lazy { node.run_state['SAS_Token'] }
Chef::Log.info("SAS Token: #{sastoken}")
modified_token = lazy { sastoken.gsub(/[&]/, '&') }
Chef::Log.info("SAS Token after replacement: #{modified_token}")
storage_conn_str = lazy { File.join(storage_conn_str , modified_token)}
Chef::Log.info("storage connection string: #{storage_conn_str}")
end
action :run
end
webapp 'TableStorageAPI' do
source URI.join(node['binary_storage_uri'], app_node['source']).to_s
version app_version
appPoolName 'TableStorageAPI'
path '/V1/TableStorageAPI'
siteName 'SSL'
enable32Bit false
pipeline_mode :Integrated
use_servicebroker false
transform_variables(
storage_conn: lazy {storage_conn_str},
mail_to: app_node['mail_to'],
mail_from: app_node['mail_from'],
smtp_host: node['tps']['smtp']['server'],
log_location: app_node['log_location'],
env_name: app_node['env_name']
)
end```
----------------------------------------------
I am not sure why webapp resource is executing before the computation of 'storage_conn_str'.
"I am not sure why webapp resource is executing before the computation of 'storage_conn_str'."
That's because storage_conn_str is defined within ruby_block 'modify_token'. It is not visible to webapp resource.
What you can do is, create a attribute instead.
eg: node["mycb"]["storage_conn_str"] = ""
In ruby_block
ruby_block 'modify_token' do
block do
...
storage_conn_str = lazy { File.join(storage_conn_str , modified_token)}
Chef::Log.info("storage connection string: #{storage_conn_str}")
node.default["mycb"]["storage_conn_str"] = storage_conn_str
end
action :run
end
In webapp resource
webapp 'TableStorageAPI' do
...
storage_conn: node["mycb"]["storage_conn_str"]
...
end
This should solve the problem you are having
Related
I am trying to use whitespace arrays in chef template, like below and when I run the chef-client to execute the recipe getting an error saying: option variables must be a kind of [Hash]! below is recipe file
abc = node['abc']
def1 = node['def']
abc_sit = abc['sit']
def_sit = def1['sit']
%w{abc_sit def_sit}.each do | client |
template "/etc/#{client}.sh" do
source 'tunnel.erb'
owner 'root'
group 'root'
variables ("#{client}") --> At this line I am getting error
end
end
The error I am getting when I run the chef-client:
option variables must be a kind of [Hash]! You passed "abc_sit"
As it says, you have to pass in a Hash. Perhaps something like variables myclient: client and then <%= #myclient %> in the template.
I am trying to create a custom fact I can use as the value for a class parameter in a hiera yaml file.
I am using the openstack/puppet-keystone module and I want to use fernet-keys.
According to the comments in the module I can use this parameter.
# [*fernet_keys*]
# (Optional) Hash of Keystone fernet keys
# If you enable this parameter, make sure enable_fernet_setup is set to True.
# Example of valid value:
# fernet_keys:
# /etc/keystone/fernet-keys/0:
# content: c_aJfy6At9y-toNS9SF1NQMTSkSzQ-OBYeYulTqKsWU=
# /etc/keystone/fernet-keys/1:
# content: zx0hNG7CStxFz5KXZRsf7sE4lju0dLYvXdGDIKGcd7k=
# Puppet will create a file per key in $fernet_key_repository.
# Note: defaults to false so keystone-manage fernet_setup will be executed.
# Otherwise Puppet will manage keys with File resource.
# Defaults to false
So wrote this custom fact ...
[root#puppetmaster modules]# cat keystone_fernet/lib/facter/fernet_keys.rb
Facter.add(:fernet_keys) do
setcode do
fernet_keys = {}
puts ( 'Debug keyrepo is /etc/keystone/fernet-keys' )
Dir.glob('/etc/keystone/fernet-keys/*').each do |fernet_file|
data = File.read(fernet_file)
if data
content = {}
puts ( "Debug Key file #{fernet_file} contains #{data}" )
fernet_keys[fernet_file] = { 'content' => data }
end
end
fernet_keys
end
end
Then in my keystone.yaml file I have this line:
keystone::fernet_keys: '%{::fernet_keys}'
But when I run puppet agent -t on my node I get this error:
Error: Could not retrieve catalog from remote server: Error 500 on SERVER: Server Error: Evaluation Error: Error while evaluating a Function Call, "{\"/etc/keystone/fernet-keys/1\"=>{\"content\"=>\"xxxxxxxxxxxxxxxxxxxx=\"}, \"/etc/keystone/fernet-keys/0\"=>{\"content\"=>\"xxxxxxxxxxxxxxxxxxxx=\"}}" is not a Hash. It looks to be a String at /etc/puppetlabs/code/environments/production/modules/keystone/manifests/init.pp:1144:7 on node mgmt-01
I had assumed that I had formatted the hash correctly because facter -p fernet_keys output this on the agent:
{
/etc/keystone/fernet-keys/1 => {
content => "xxxxxxxxxxxxxxxxxxxx="
},
/etc/keystone/fernet-keys/0 => {
content => "xxxxxxxxxxxxxxxxxxxx="
}
}
The code in the keystone module looks like this (with line numbers)
1142
1143 if $fernet_keys {
1144 validate_hash($fernet_keys)
1145 create_resources('file', $fernet_keys, {
1146 'owner' => $keystone_user,
1147 'group' => $keystone_group,
1148 'subscribe' => 'Anchor[keystone::install::end]',
1149 }
1150 )
1151 } else {
Puppet does not necessarily think your fact value is a string -- it might do, if the client is set to stringify facts, but that's actually beside the point. The bottom line is that Hiera interpolation tokens don't work the way you think. Specifically:
Hiera can interpolate values of any of Puppet’s data types, but the
value will be converted to a string.
(Emphasis added.)
I have a question about ruby/chef, I am creating a recipe that will setup a cron job once we chef-client the node and I am getting a syntax error when I run my kitchen test
The following block of code is part of my recipe
action node["hadoop_temp"]["scripts"]["cron"]["clean_temp"]["enabled"] = ? :create : :delete
minute node["hadoop_temp"]["scripts"]["cron"]["clean_temp"]["minute"]
hour node["hadoop_temp"]["scripts"]["cron"]["clean_teamp"]["hour"]
day node["hadoop_temp"]["scripts"]["cron"]["clean_temp"]["day"]
month node["hadoop_temp"]["scripts"]["cron"]["clean_temp"]["month"]
weekday node["hadoop_temp"]["scripts"]["cron"]["clean_temp"]["weekday"]
the following block is part of my attributes.
#Run the cron every day at 12AM cleans /temp
default["hadoop_temp"]["scripts"]["cron"]["clean_temp"]["enabled"] = false
default["hadoop_temp"]["scripts"]["cron"]["clean_temp"]["minute"] = "0"
default["hadoop_temp"]["scripts"]["cron"]["clean_temp"]["hour"] = "0"
default["hadoop_temp"]["scripts"]["cron"]["clean_temp"]["day"] = "*"
default["hadoop_temp"]["scripts"]["cron"]["clean_temp"]["month"] = "*"
default["hadoop_temp"]["scripts"]["cron"]["clean_temp"]["weekday"] = "*"
when I run my kitchen test I am getting the following error.
SyntaxError
-----------
/tmp/kitchen/cache/cookbooks/hadoop_temp/recipes/clean_temp.rb:25: syntax error, unexpected '?'
..."hadoop_temp"]["enabled"] = ? :create : :delete
I do not understand boolean 100% in ruby what I want to accomplish is if the entry exist create but if in the future I want to delete I just have to switch the attribute to true.
You could learn about the ternary operator in rubylearn about the ternary operator in ruby
I did took the = sign out of the recipe action. now it looks like:
action node["hadoop_temp"]["scripts"]["cron"]["clean_temp"]["enabled"] ? :create : :delete
Thank you #StephenKing the test passed
I am trying to increment the value and use in another resource dynamically in recipe but still failing to do that.
Chef::Log.info("I am in #{cookbook_name}::#{recipe_name} and current disk count #{node[:oracle][:asm][:test]}")
bash "beforeTest" do
code lazy{ echo #{node[:oracle][:asm][:test]} }
end
ruby_block "test current disk count" do
block do
node.set[:oracle][:asm][:test] = "#{node[:oracle][:asm][:test]}".to_i+1
end
end
bash "test" do
code lazy{ echo #{node[:oracle][:asm][:test]} }
end
However I'm still getting the error bellow:
NoMethodError ------------- undefined method echo' for Chef::Resource::Bash
Cookbook Trace: ---------------
/var/chef/cache/cookbooks/Oracle11G/recipes/testSplit.rb:3:in block (2 levels) in from_file'
Resource Declaration: ---------------------
# In /var/chef/cache/cookbooks/Oracle11G/recipes/testSplit.rb
1: bash "beforeTest" do
2: code lazy{
3: echo "#{node[:oracle][:asm][:test]}"
4: }
5: end
Please can you help how lazy should be used in bash? If not lazy is there any other option?
bash "beforeTest" do
code lazy { "echo #{node[:oracle][:asm][:test]}" }
end
You should quote the command for the interpolation to work; if not, ruby would search for an echo command, which is unknown in ruby context (thus the error you get in log).
Warning: lazy has to be for the whole resource attribute; something like this WON'T work:
bash "beforeTest" do
code "echo node asm test is: #{lazy { node[:oracle][:asm][:test]} }"
end
The lazy evaluation takes a block of ruby code, as decribed here
You may have a better result with the log resource like this:
log "print before" do
message lazy { "node asm test is #{node[:oracle][:asm][:test]}" }
end
I've been drilling my head solving this problem until I came up with lambda expressions. But yet just using lambda didn't help me at all. So I thought of using both lambda and lazy evaluation. Though lambda is already lazy loading, when compiling chef recipe's, the resource where you call the lambda expression is still being evaluated. So to prevent it to being evaluated (somehow), I've put it inside a lazy evaluation string.
The lambda expression
app_version = lambda{`cat version`}
then the resource block
file 'tmp/validate.version' do
user 'user'
group 'user_group'
content lazy { app_version.call }
mode '0755'
end
Hope this can help others too :) or if you have some better solution please do let me know :)
The exception I am getting is "ActiveRecord::ConnectionNotEstablished: No connection pool for ActiveRecord::Base". I am really on the deep end of the pool (no pun intended) with this one. I really don't understand the connection and connection pool handling, even as much as I have studied this problem. I'm assuming this might be scope related inside of Cucumber, but I do not know. Any and all assistance is appreciated.
Here are the details:
The exception occurs when I perform a count from a Then clause:
WorkTable.where('? is not null',col['COLUMN_NAME']).count
It does not occur if I send the sql directly through the connection:
WorkTable.connection.select_all(st.encode('utf-8')).first['nulls']
My scenario reads as follows:
Scenario: CompanyMaster test for null value
Given table dbo.base_table in stage
Then these columns are expected to be not null
| COLUMN_NAME | nulls |
| id | 0 |
| company_name | 0 |
I establish my class in my env.rb:
class WorkTable < ActiveRecord::Base
end
ActiveRecord::Base.configurations = YAML.load_file(yaml) # yaml is database.yml file name
I establish my connection in a Given clause:
Given(/^table (\w+)\.?([\w_]+) in (\w+)(?: as (\w+))?$/) do |schema,name,env,id|
#sc_name = schema_file_name(schema,name)
WorkTable.logger.info title_line("* Active table(#{#sc_name}) *")
case id
# ActiveRecord::Base.configurations[env]
...
else
WorkTable.table_name = #sc_name
WorkTable.establish_connection(env.to_sym)
# ary = get_tables(WorkTable,schema:schema)
# expect( ary.any?{|s| s.casecmp(name)==0 } ).to eq(true)
end
end
I execute my test in a Then clause:
Then(/^these columns are expected to be not null$/) do |columns|
# expected is an instance of Cucumber::Ast::Table
WorkTable.logger.info title_line('Columns cannot be null')
results = []
columns.hashes.each {|col|
results << {
'COLUMN_NAME' => col['COLUMN_NAME'],
'nulls' => WorkTable.where('? is not null',col['COLUMN_NAME']).count.to_s
}
}
columns.diff!(results,surplus_row: false)
end
It is the WorkTable.where that throws the "ActiveRecord::ConnectionNotEstablished: No connection pool for ActiveRecord::Base". Again, if I use the WorkTable.connection method, I do not get it. Also, it executes fine if I copy all the function code to single ruby script.
I see the following when I "pp WorkTable.connection":
#<ActiveRecord::ConnectionAdapters::SQLServerAdapter version: 4.2.2, mode: dblib, azure: false>
And I see the following when I "pp WorkTable.connection_pool":
#<ActiveRecord::ConnectionAdapters::ConnectionPool:0x42f5238
#automatic_reconnect=true,
#available=
#<ActiveRecord::ConnectionAdapters::ConnectionPool::Queue:0x42f4f20
#cond=
#<MonitorMixin::ConditionVariable:0x42f4ed8
#cond=
#<ConditionVariable:0x42f4de8
#waiters=[],
#waiters_mutex=#<Mutex:0x42f4d58>>,
#monitor=
#<ActiveRecord::ConnectionAdapters::ConnectionPool:0x42f5238 ...>>,
#lock=#<ActiveRecord::ConnectionAdapters::ConnectionPool:0x42f5238 ...>,
#num_waiting=0,
#queue=[]>,
#checkout_timeout=5,
#connections=
[#<ActiveRecord::ConnectionAdapters::SQLServerAdapter version: 4.2.2, mode: dblib, azure: false>],
#mon_count=0,
#mon_mutex=#<Mutex:0x42f51c0>,
#mon_owner=nil,
#reaper=
#<ActiveRecord::ConnectionAdapters::ConnectionPool::Reaper:0x42f51a8
#frequency=nil,
#pool=#<ActiveRecord::ConnectionAdapters::ConnectionPool:0x42f5238 ...>>,
#reserved_connections=
#<ThreadSafe::Cache:0x42f4fc8
#backend=
{16931712=>
#<ActiveRecord::ConnectionAdapters::SQLServerAdapter version: 4.2.2, mode: dblib, azure: false>},
#default_proc=nil>,
#size=5,
#spec=
#<ActiveRecord::ConnectionAdapters::ConnectionSpecification:0x42f55c8
#adapter_method="sqlserver_connection",
#config=
{:host=>"server_name",
:database=>"mssb_stg",
:encoding=>"utf-8",
:adapter=>"sqlserver",
:timeout=>5000}>>
Ruby 1.9.3, activerecord (4.2.0), activerecord-sqlserver-adapter (4.2.2), and cucumber (1.3.18). And sql server 2014 [this has been a bugger for me].
Thank you for you time and consideration.
dvn
== Additional detail ==
Ignore the sql-server reference. I get the same exception when I reconfigure to work with SqLite. So it is not related to db platform.
Check your env.rb, conf in supports, it seems you are making connections in steps, ideally you should do it in before_scenario or before feature file rather than per steps.
It could be possible after steps your connection is not working properly.