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Creates an update Ignition json file with additions from a fake root.
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ashcrow flake8: Minor formatting fixes
Signed-off-by: Steve Milner <smilner@redhat.com>
Latest commit 56011e1 Jun 5, 2019
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test test/ignition[*].json: State spec 2.3.0 Jun 4, 2019
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README.md Add version Jun 4, 2019
filetranspile flake8: Minor formatting fixes Jun 4, 2019

README.md

filetranspiler

Creates an update Ignition json file with additions from a fake root.

Building

Container Image

$ podman build . -t filetranspiler:latest

Running

Source

./filetranspile -i ignition.json -f fake-root

Container Image

Note: When using the container don't forget to mount the host directory that houses your ignition file and fake root in to the container!

$ podman run --rm -ti --volume `pwd`:/srv:z localhost/filetranspiler:latest -i ignition.json -f fake-root

Example

$ tree fake-root
fake-root
└── etc
    ├── hostname
    ├── resolve.conf
    └── sysconfig
        └── network-scripts
            ├── ifcfg-blah
            └── ifcfg-fake

3 directories, 4 files
$ ./filetranspile --help
usage: filetranspile [-h] -i IGNITION -f FAKE_ROOT [-o OUTPUT] [-p]
                     [--version]

optional arguments:
  -h, --help            show this help message and exit
  -i IGNITION, --ignition IGNITION
                        Path to ignition file to use as the base
  -f FAKE_ROOT, --fake-root FAKE_ROOT
                        Path to the fake root
  -o OUTPUT, --output OUTPUT
                        Where to output the file. If empty, will print to
                        stdout
  -p, --pretty          Make the output pretty
  --version             show program's version number and exit

$ cat ignition.json 
{
  "ignition": { "version": "2.3.0" },
  "storage": {
    "files": [{
      "path": "/foo/bar",
      "filesystem": "root",
      "mode": 420,
      "contents": { "source": "data:,example%20file%0A" }
    },
    {
        "path": "/etc/sysconfig/network-scripts/iftest",
        "filesystem": "root",
        "mode": 420,
        "contents": { "source": "data:,example%20file%0A" }
    }]
  }
$ ./filetranspile -i ignition.json -f fake-root
{"ignition": {"version": "2.3.0"}, "storage": {"files": [{"path": "/foo/bar", "filesystem": "root", "mode": 420, "contents": {"source": "data:,example%20file%0A"}}, {"path": "/etc/hostname", "filesystem": "root", "mode": 384, "contents": {"source": "data:,something%0A"}}, {"path": "/etc/resolve.conf", "filesystem": "root", "mode": 436, "contents": {"source": "data:,search%20127.0.0.1%0Anameserver%20127.0.0.1%0A"}}, {"path": "/etc/sysconfig/network-scripts/ifcfg-fake", "filesystem": "root", "mode": 436, "contents": {"source": "data:,fake%0A"}}, {"path": "/etc/sysconfig/network-scripts/ifcfg-blah", "filesystem": "root", "mode": 436, "contents": {"source": "data:,blah%20blah%20blah%0A1234567890%0Ablah%20blah%20blah%0A"}}]}}
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