Forum: CFEngine Help
Subject: Suggestions needed on folder structure and paths in promises
Author: sonofrage
Link to topic: https://cfengine.com/forum/read.php?3,26715,26715#msg-26715
Hi everyone,
I'm a beginner in cf-engine, and am starting with a simple project to run a few
external shell scripts that I have created. Instead of directly working in the
"masterfiles" folder, I have created a "/cf-test/project" folder which shall
contain all the promises and required scripts. It has the following structure:
/cf-test/project/
|-- promises.cf
|-- cfengine_stdlib.cf
|-- src/ (Contains all the bundles/bodies)
| |-- check_jdk.cf
|-- resources/
| |-- scripts/ (Contains scripts to be called from check_jdk.cf
| |-- check_java_version.sh
| |-- unzip_package.sh
I'm using relative paths to call the scripts from check_jdk.cf, like:
"scripts_folder" string => "resources/scripts";
My problem is, when I execute the promise, cfengine doesn't seem to find the sh
files.
# /var/cfengine/bin/cf-agent -f ./promises.cf -I -K
Output:
Proposed executable file "resources/scripts/check_java_version.sh" doesn't exist
...
Proposed executable file "resources/scripts/unzip_package.sh" doesn't
exist
I tried to check the current directories by including the following commands:
In promises.cf: "/bin/pwd";
In check_jdk.cf: "/bin/pwd | echo"; (the command /bin/pwd
wouldn't get executed twice)
And here's the output:
-> Executing '/bin/pwd' ...(timeout=-678,owner=-1,group=-1)
Q: ".../bin/pwd": /cf-test/project
..
-> Executing '/bin/pwd | echo' ...(timeout=-678,owner=-1,group=-1)
Q: ".../bin/pwd | echo": /bin/pwd: ignoring non-option arguments
Q: ".../bin/pwd | echo": /cf-test
I don't understand how the current directory changed between the promises.cf
and the check_jdk.cf files. What could be the meaning of this?
In essence, my question boils down to how I should go about referencing
external files/paths inside promises, once I have defined a certain folder
structure. Is it that everything needs to be an absolute path?
Regards,
sonofrage
I have include below the relevant portions of promises.cf and check_jdk.cf:
body common control
{
bundlesequence => {
"path_check",
"check_jdk"
};
inputs =>
{
"cfengine_stdlib.cf",
"src/check_jdk.cf"
};
}
bundle agent path_check {
commands:
"/bin/pwd";
}
bundle common pdef
{
vars:
"scripts_folder" string => "resources/scripts";
"packages_folder" string => "/usr/local/packages";
"install_folder" string => "/usr/local/lib";
}
body classes defclasses (x)
{
promise_repaired => { "$(x)_repaired" };
repair_failed => { "$(x)_repair_failed" };
promise_kept => { "$(x)_promise_kept" };
}
bundle agent check_jdk {
vars:
any::
"jdk_version" string => "1.6.0_33";
32_bit::
"jdk_arch" string => "i586";
64_bit::
"jdk_arch" string => "x64";
commands:
"/bin/pwd | echo";
"$(pdef.scripts_folder)/check_java_version.sh 6",
classes => defclasses("jdk_6_check");
jdk_6_check_repair_failed::
"$(pdef.scripts_folder)/unzip_package.sh
$(pdef.packages_folder)/jdk$(jdk_version).$(jdk_arch).zip
$(pdef.install_folder)",
}
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