Created
May 24, 2024 10:45
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Ollama Model Export Script
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#!/bin/bash | |
# Ollama Model Export Script | |
# Usage: bash ollama-export.sh vicuna:7b | |
set -e | |
echo "Ollama Model Export Script" | |
echo "" | |
OLLAMA_HOME="${OLLAMA_HOME:="$HOME/.ollama"}" | |
BLOBS_FILE_BASE_PATH="$OLLAMA_HOME/models/blobs" | |
MANIFESTS_FILE_BASE_PATH="$OLLAMA_HOME/models/manifests" | |
SUCCESS_PREFIX="\033[1;32mSuccess:\033[0m" | |
FAILED_PREFIX="\033[0;31mFailed:\033[0m" | |
IFS='/' read -ra NAME_ARGS <<< "${1/://}" | |
case "${#NAME_ARGS[@]}" in | |
4) | |
MANIFESTS_REGISTRY_NAME="${NAME_ARGS[0]}" | |
MANIFESTS_LIBRARY_NAME="${NAME_ARGS[1]}" | |
MANIFESTS_MODEL_NAME="${NAME_ARGS[2]}" | |
MANIFESTS_PARAMS_NAME="${NAME_ARGS[3]}" | |
;; | |
3) | |
MANIFESTS_LIBRARY_NAME="${NAME_ARGS[0]}" | |
MANIFESTS_MODEL_NAME="${NAME_ARGS[1]}" | |
MANIFESTS_PARAMS_NAME="${NAME_ARGS[2]}" | |
;; | |
2) | |
MANIFESTS_MODEL_NAME="${NAME_ARGS[0]}" | |
MANIFESTS_PARAMS_NAME="${NAME_ARGS[1]}" | |
;; | |
1) | |
MANIFESTS_MODEL_NAME="${NAME_ARGS[0]}" | |
;; | |
esac | |
MANIFESTS_REGISTRY_NAME="${MANIFESTS_REGISTRY_NAME:="registry.ollama.ai"}" | |
MANIFESTS_LIBRARY_NAME="${MANIFESTS_LIBRARY_NAME:="library"}" | |
MANIFESTS_MODEL_NAME="${MANIFESTS_MODEL_NAME:="vicuna"}" | |
MANIFESTS_PARAMS_NAME="${MANIFESTS_PARAMS_NAME:="latest"}" | |
MODEL_FULL_NAME="$MANIFESTS_MODEL_NAME:$MANIFESTS_PARAMS_NAME" | |
echo "Exporting model \"$MODEL_FULL_NAME\"..." | |
echo "" | |
MANIFESTS_FILE_PATH="$MANIFESTS_FILE_BASE_PATH/$MANIFESTS_REGISTRY_NAME/$MANIFESTS_LIBRARY_NAME/$MANIFESTS_MODEL_NAME/$MANIFESTS_PARAMS_NAME" | |
if [ ! -f "$MANIFESTS_FILE_PATH" ]; then | |
echo -e "$FAILED_PREFIX \"$MANIFESTS_FILE_PATH\" not exists, the model \"$MODEL_FULL_NAME\" you requested is not found." | |
exit 1 | |
fi | |
EXPORT_DST_BASE_PATH="${EXPORT_DST_BASE_PATH:="$PWD/${MODEL_FULL_NAME/:/-}"}" | |
if [ -d "$EXPORT_DST_BASE_PATH" ]; then | |
echo -e "$FAILED_PREFIX \"$EXPORT_DST_BASE_PATH\" already exists, exits for preventing from unexpected operations." | |
exit 1 | |
fi | |
mkdir -p "$EXPORT_DST_BASE_PATH" | |
printf "$MANIFESTS_REGISTRY_NAME/$MANIFESTS_LIBRARY_NAME/$MANIFESTS_MODEL_NAME:$MANIFESTS_PARAMS_NAME" >"$EXPORT_DST_BASE_PATH/source.txt" | |
FETCH_BLOB_FILE_NAME() { | |
case "$OSTYPE" in | |
darwin*) | |
echo "${1/:/-}" | |
;; | |
*) | |
echo "$1" | |
;; | |
esac | |
} | |
while IFS= read -r layer; do | |
BLOB_FILE_NAME=$(FETCH_BLOB_FILE_NAME "$layer") | |
BLOB_FILE_PATH="$BLOBS_FILE_BASE_PATH/$BLOB_FILE_NAME" | |
BLOB_TYPE_NAME=$(jq -r --arg layer "$layer" '.layers[] | select(.digest == $layer) | .mediaType' "$MANIFESTS_FILE_PATH" | sed 's|.*\.ollama\.image\.\(.*\)|\1|') | |
EXPORT_MODEL_FILE_PATH="$EXPORT_DST_BASE_PATH/Modelfile" | |
EXPORT_MODEL_BIN_PATH="$EXPORT_DST_BASE_PATH/model.bin" | |
case "$BLOB_TYPE_NAME" in | |
model) | |
cp "$BLOB_FILE_PATH" "$EXPORT_MODEL_BIN_PATH" | |
printf "FROM ./model.bin\n" >>"$EXPORT_MODEL_FILE_PATH" | |
;; | |
params) | |
PARAMS_JSON="$(cat "$BLOB_FILE_PATH")" | |
printf "$(jq -r 'keys[] as $key | .[$key][] | "PARAMETER \($key) \"\(.)\"" ' <<<"$PARAMS_JSON")" >>"$EXPORT_MODEL_FILE_PATH" | |
;; | |
*) | |
TYPE_NAME="$(echo "$BLOB_TYPE_NAME" | tr '[:lower:]' '[:upper:]')" | |
printf "$TYPE_NAME \"\"\"$(cat "$BLOB_FILE_PATH")\"\"\"\n" >>"$EXPORT_MODEL_FILE_PATH" | |
;; | |
esac | |
done < <(jq -r '.layers[].digest' "${MANIFESTS_FILE_PATH}") | |
echo -e "$SUCCESS_PREFIX Model \"$MODEL_FULL_NAME\" has been exported to \"$EXPORT_DST_BASE_PATH\"!" |
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