pinnacol / linecook Goto Github PK
View Code? Open in Web Editor NEWA shell script generator.
License: Other
A shell script generator.
License: Other
Make a recipe the context and have stdout be the target. There will be a trick figuring out when to evaluate -- repl won't work directly, you will need to determine if a statement is complete. Check IRB for how it's done.
linecook console
Sometimes images go missing in VirtualBox. This can interfere with linecook commands. Currently the workaround is to go into 'File' > 'Virtual Media Manager', manually find the missing snapshots (labeled with a red 'Hard Disk' error) and then remove them.
It would be great if there were an automated way to do the same. I've tried several approaches, including editing the xml file that I thought would define the VM (~/VirtualBox VMs/vmname/vmname.vbox) but this didn't work. Instead VirtualBox would regenerate the xml file and changes were lost.
Runlist files provided to 'linecook run' require an EOL, which is confusing.
[packages/bug.yml]
{}
[recipes/bug.rb]
target.puts "echo bug"
[recipes/bug_test.rb]
target.puts "echo bug test"
[runlist]
run
test
If runlist has a newline after 'test':
% linecook build bug
% linecook run bug --runlist runlist
bug
test
If runlist has no newline after 'test':
% linecook run bug --runlist runlist
bug
The project currently generated by linecook init is not representative of the current system. Specifically the 'abox_test' recipe is cruft. The entire thing could use a cleanup.
This would be handy for compositions where the recipe builds other files but not a file itself. Allows a capture pattern to build a set of files without entering misc configs into the package file.
+1
Currently 'linecook run' copies and runs scripts on servers in serial. An option should exist to run in parallel if desired.
Observe:
% cat config/ssh | grep bbox
% linecook state --names bbox
/Users/chiangs/.rvm/gems/ruby-1.8.6-p399@linecook/gems/linecook-1.1.0/lib/linecook/commands/vbox_command.rb:96:in `include?': can't convert nil into String (TypeError)
When you have the same vm declared twice in a config/ssh file, they will start twice. Duplicates need to be filtered out of each_host/each_vm_name iterators.
[config/ssh]
Host one # [abox]
Port 2220
Host two # [abox]
Port 2220
Leads to duplicates with (for example):
rake start
Linecook init isn't smart enough to figure out it should generate in the pwd.
mkdir dir
cd dir
linecook init .
already exists: .../dir
Even worse:
linecook init
/Users/Simon/.rvm/gems/ruby-1.8.6-p399@chiangs/gems/linecook-1.1.0/lib/linecook/commands/command.rb:50:in `process': wrong number of arguments (0 for 1) (ArgumentError)
from /Users/Simon/.rvm/gems/ruby-1.8.6-p399@chiangs/gems/linecook-1.1.0/lib/linecook/commands/command.rb:50:in `call'
from /Users/Simon/.rvm/gems/ruby-1.8.6-p399@chiangs/gems/linecook-1.1.0/bin/linecook:60
from /Users/Simon/.rvm/gems/ruby-1.8.6-p399@chiangs/bin/linecook:19:in `load'
from /Users/Simon/.rvm/gems/ruby-1.8.6-p399@chiangs/bin/linecook:19
For example:
[recipe/example.rb]
target.puts "# outdent"
indent do
target.puts "# indent"
heredoc do
target.puts 'abc'
target.puts 'xyz'
end
end
target.puts "# outdent"
Produces:
# outdent
# indent
<< HEREDOC_0
abc
xyz
HEREDOC_0
# outdent
To solve this, perhaps add magic comments to turn on/off indent, a-la
<< HEREDOC_0 # :indent-off:
abc
xyz
HEREDOC_0 # :indent-on:
Then strip out these processing instructions within indent if capture depth is 0 (ie right before the indent is written to the true output).
The env command should only add the sorted to_yaml patch as needed. Otherwise it interferes with normal to_yaml operation, such as
{:key => 'value'}.to_yaml
Which fails because :key cannot be sorted.
No trickery - no reason this shouldn't run 1.8.6 - 1.9.2 on major implementations.
If provided on the command line then assume a recipe with the same name. If no names, then use each host. Skip if there is no recipe (such that you can have hosts that do not build/run), but allow a flag to fail upon no recipe and/or require a package file... like --strict
Currently an error like this gets raised when you execute a linecook vm command on a vm without a corresponding entry in config/ssh:
% linecook start bbox
/Users/chiangs/.rvm/gems/ruby-1.8.6-p399@linecook/gems/linecook-1.1.0/lib/linecook/commands/vbox_command.rb:96:in `include?': can't convert nil into String (TypeError)
This command would work if --names is specified as an option. There should be a better error message to identify that fact.
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