Paver

About The Project

Paver is able to run configuration scripts in the required order, taking into account dependencies. Where the DAG is first built and then it is bypassed.

Options

--workers - number of workers for parallel execution
--workdir - directory with manifest dirs

Simple example

workders number = 1

➜  paver git:(master) ✗ ./bin/paver -workers 1 -workdir examples/simple
Running package: node1
Running script: examples/simple/node1_setup/install.sh
Running package: node2
Task node1 completed with result: [NODE_1 SETUP
]
Running script: examples/simple/node2_setup/install.sh
Running package: node3
Task node2 completed with result: [NODE_2 SETUP
]
Running script: examples/simple/node3_setup/install.sh
Task node3 completed with result: [NODE_3 SETUP
]
Running package: node4
Running script: examples/simple/node4_setup/install.sh
Running package: node5
Running script: examples/simple/node5_setup/install.sh
Task node4 completed with result: [NODE_4 SETUP
]
Running package: node6
Running script: examples/simple/node6_setup/install.sh
Task node5 completed with result: [NODE_5 SETUP
]
Running package: node7
Running script: examples/simple/node7_setup/install.sh
Task node6 completed with result: [NODE_6 SETUP
]
Running package: node8
Running script: examples/simple/node8_setup/install.sh
Task node7 completed with result: [NODE_7 SETUP
]
Task node8 completed with result: [NODE_8 SETUP
]
Time: 17.122071417s

workders number = 2

➜  paver git:(master) ✗ ./bin/paver -workers 2 -workdir examples/simple
Running package: node1
Running script: examples/simple/node1_setup/install.sh
Running package: node2
Running script: examples/simple/node2_setup/install.sh
Running package: node3
Running script: examples/simple/node3_setup/install.sh
Task node1 completed with result: [NODE_1 SETUP
]
Task node2 completed with result: [NODE_2 SETUP
]
Task node3 completed with result: [NODE_3 SETUP
]
Running package: node4
Running script: examples/simple/node4_setup/install.sh
Running package: node5
Running script: examples/simple/node5_setup/install.sh
Task node5 completed with result: [NODE_5 SETUP
]
Running package: node8
Running script: examples/simple/node8_setup/install.sh
Task node4 completed with result: [NODE_4 SETUP
]
Task node8 completed with result: [NODE_8 SETUP
]
Running package: node7
Running script: examples/simple/node7_setup/install.sh
Running package: node6
Running script: examples/simple/node6_setup/install.sh
Task node6 completed with result: [NODE_6 SETUP
]
Task node7 completed with result: [NODE_7 SETUP
]
Time: 9.058575958s

workders number = 5

➜  paver git:(master) ✗ ./bin/paver -workers 5 -workdir examples/simple
Running package: node1
Running script: examples/simple/node1_setup/install.sh
Running package: node2
Running package: node3
Running script: examples/simple/node3_setup/install.sh
Running script: examples/simple/node2_setup/install.sh
Task node3 completed with result: [NODE_3 SETUP
]
Running package: node5
Running script: examples/simple/node5_setup/install.sh
Task node1 completed with result: [NODE_1 SETUP
]
Task node2 completed with result: [NODE_2 SETUP
]
Running package: node4
Running script: examples/simple/node4_setup/install.sh
Task node5 completed with result: [NODE_5 SETUP
]
Running package: node8
Running script: examples/simple/node8_setup/install.sh
Task node8 completed with result: [NODE_8 SETUP
]
Task node4 completed with result: [NODE_4 SETUP
]
Running package: node7
Running script: examples/simple/node7_setup/install.sh
Running package: node6
Running script: examples/simple/node6_setup/install.sh
Task node7 completed with result: [NODE_7 SETUP
]
Task node6 completed with result: [NODE_6 SETUP
]
Time: 8.039951625s

if graph has cycle

➜  paver git:(master) ✗ ./bin/paver -workers 5 -workdir examples/simple
Time: 2.304625ms
panic: error while configure workspace: graph validation failed: cycle detected

Real example

Example of a real project with dependencies between scripts and packages. Where installed git, docker, neovim and homebrew on Ubuntu.