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self configuration management written in Python

Project description

SCM

Self Managed Configuration Management(SCM) is a simple command line app for configuration management, written in python.

Designed to run only on ubuntu operating system

This tool, currently supports only below resources

  • service
  • directory
  • file
  • firewall

Resource Detailed information

Service

Service resource is useful for installing and managing packages from the linux repository,

Note that currently this tool is designed to support only on Ubuntu Operating System

*Name parameter in the below section is a list format, meaning it can take multiple values and the actions and other parameters are applied to each name resource accordingly

Example

[service.setup]
name = ["apache2"] 
action= ["install", "enable"]

In the above example, "service" is the resource and "setup" is the service identifier.

  • name -> Name of the service that is to be installed on the ubuntu system
  • action -> Action to be done on the listed service, currently these are only supported

["install", "enable", "disable"]

[service.ops]
name = ["apache2"]
action =["restart"]

In the above example, "service" is the resource and "ops" is the service identifier. once the service is installed and service operations can be done using this tool.

  • name -> Name of the service that is to be installed on the ubuntu system
  • action -> Action to be done on the listed service, currently these are only supported

["stop", "start", "restart", "reload", "disable", "enable"]

Directory

Directory resource is useful for installing and managing the metadata directories on the system,

Note that currently this resource is tested only on Ubuntu Operating System, but can run on any Linux Operating System

Example

# Modify the directory permissions 
[directory.list]
name = ["/etc/apache"] 
params = {'owner'='root','group'='root','mode'= '0755'}
action = ['create']
notifies = "@format {this.service.ops}"

In the above example, "directory" is the resource and "list" is the service identifier.

  • name -> Name of the directory where the metadata needs modification including creation of the directory using the action method
  • params -> parameter to support the directory operations, currently ['owner', 'group' and 'mode'] are supported in the list
  • action -> Action to be done on the listed service, currently for directories only ['create'] is supported
  • notifies -> Parameter to notify any other resource in the same recipe file, In example, notifies the service ops resources, that would restart the apache2 service based on the modifications

["install", "enable", "disable"]

Example

# Modify the input content of the file 
[file.conf]
name = ["/var/www/customers/public_html/index.php"]
action = ["create"]
override ="true"
content  = ["This is the test file"]
params = {'owner'= 'root','group'= 'root','mode' = '0755'}
notifies = "@format {this.service.ops}"

In the above example, "file" is the resource and "conf" is the service identifier.

  • name -> Name of the file where the content need to be added or appended based on the configuration requirement
  • action -> Action to be done on the listed service, currently for file only ['create'] is supported
  • override -> This parameter will override if there is any existing file, default it will append the content to the file
  • content -> Input content for the file provide in the form the double quotes. For simplicity ,large content is not tested with the current version of the code.
  • params -> parameter to support the file operations, currently ['owner', 'group' and 'mode'] are supported in the list
  • notifies -> Parameter to notify any other resource in the same recipe file, In example, notifies the service ops resources, that would restart the apache2 service based on the modifications

["install", "enable", "disable"]

Complete overview of the example file

# Service setup for the apache instance 
[service.setup]
name = ["apache2"] 
action= ["install", "enable"]

# Service restart for the apache instance 
[service.ops]
name = ["apache2"]
action =["restart"]


# Modify the directory permissions 
[directory.list]
name = ["/etc/apache"] 
params = {'owner'='root','group'='root','mode'= '0755'}
action = ['create']
notifies = "@format {this.service.ops}"

# Modify the input content of the file 
[file.conf]
name = ["/var/www/customers/public_html/index.php"]
action = ["create"]
content  = ["This is the test file"]
params = {'owner'= 'root','group'= 'root','mode' = '0755'}
notifies = "@format {this.service.ops}"

Installation and Usage

Manual clone

  $ git clone https://github.com/Sai-Repalle/scm_project
  $ cd scm_project
  $ python3 -m venv venv 
  $ source venv/bin/activate
  $ pip install -r requirements.txt 

Usage

Usage: scm [OPTIONS] COMMAND [ARGS]...
Options:
  -v, --version         Display\'s the application version
  --install-completion  Install completion for the current shell.
  --show-completion     Show completion for the current shell, to copy it or
                        customize the installation.
  --help                Show this message and exit.

Commands:
  create
  diff
  info
  init
  push
  validate

initialization

init command is used for initialization and helpful to create the respective directories, also this command is useful for expanding future versions of the scm tool

init To start with the tool, initialize the tool without any parameters, this would set the configuration files required for tool to work

$ scm init

output

scm init   
root@machine:~/scm# python3 -m scm init
[INFO][04-22-2022 06:08:13]::Reading the Json configuration /root/scm/scm/settings/settings.json
[INFO][04-22-2022 06:08:13]::creating directory CONFIG_DIR
[INFO][04-22-2022 06:08:13]::creating directory CONFIG_HASH_DIR
[INFO][04-22-2022 06:08:13]::creating files CONFIG_DEF_FILE
[INFO][04-22-2022 06:08:13]::creating files CONFIG_HASH_FILE

create

create <name>

$ scm init --receipe_name <receipe_name>

Below example, will create a receipe called "apache" and apache.toml file is created in the config directory located at the root directory of the scm

output

root@machine:~/scm# python3 -m scm create --receipe apache
[INFO][04-22-2022 06:09:56]::Reading the Json configuration /root/scm/scm/settings/settings.json
[INFO][04-22-2022 06:09:56]::creating directory CONFIG_DIR
[INFO][04-22-2022 06:09:56]::CONFIG_DIR directory already exists
[INFO][04-22-2022 06:09:56]::creating directory CONFIG_HASH_DIR
[INFO][04-22-2022 06:09:56]::CONFIG_HASH_DIR directory already exists
[INFO][04-22-2022 06:09:56]::creating files CONFIG_DEF_FILE
[INFO][04-22-2022 06:09:56]::creating files CONFIG_HASH_FIL

info

info --receipe_name <name>

$ scm info --receipe_name <receipe_name>

validate

validate <name>

$ scm validate --receipe_name <receipe_name>

diff

diff <name>

$ scm diff --receipe_name <receipe_name>

push

push <name>

$ scm push --receipe_name <receipe_name>

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