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#!/usr/bin/env bash
# Install Ollama and its Linux prerequisites for Hermes-Ollama_Models.
set -Eeuo pipefail
if [[ "$(uname -s)" != "Linux" ]]; then
printf '%s\n' 'Automatic Ollama installation is currently supported on Linux only.' >&2
exit 1
fi
is_container() {
if [[ -f /.dockerenv ]]; then
return 0
fi
[[ -f /run/.containerenv ]]
}
ollama_endpoints() {
if [[ -n "${OLLAMA_HOST:-}" ]]; then
printf '%s\n' "${OLLAMA_HOST%/}"
elif is_container; then
printf '%s\n' 'http://ollama:11434' 'http://host.docker.internal:11434'
else
printf '%s\n' 'http://localhost:11434'
fi
}
check_endpoint() {
command -v curl >/dev/null 2>&1 || return 1
while IFS= read -r endpoint; do
if curl --fail --silent --show-error --max-time 5 "${endpoint}/api/version" >/dev/null; then
return 0
fi
done < <(ollama_endpoints)
return 1
}
if [[ "${1:-}" == "--check" ]]; then
if command -v ollama >/dev/null 2>&1 && ! is_container; then
ollama --version >/dev/null
exit 0
fi
check_endpoint
exit $?
fi
if is_container; then
if check_endpoint; then
exit 0
fi
printf '%s\n' 'Docker/container runtime detected. Configure OLLAMA_HOST to a reachable Ollama service (for example http://ollama:11434 or http://host.docker.internal:11434); Hermes will not install Ollama inside its own container.' >&2
exit 1
fi
if command -v ollama >/dev/null 2>&1; then
ollama --version >/dev/null
exit 0
fi
if [[ "${EUID}" -ne 0 ]]; then
printf '%s\n' 'Ollama installation requires the Hermes container to run as root.' >&2
exit 1
fi
run_privileged() {
"$@"
}
if ! command -v curl >/dev/null 2>&1; then
if command -v apt-get >/dev/null 2>&1; then
run_privileged apt-get update
run_privileged apt-get install -y curl ca-certificates
elif command -v dnf >/dev/null 2>&1; then
run_privileged dnf install -y curl ca-certificates
elif command -v yum >/dev/null 2>&1; then
run_privileged yum install -y curl ca-certificates
elif command -v pacman >/dev/null 2>&1; then
run_privileged pacman -Sy --noconfirm curl ca-certificates
else
printf '%s\n' 'Could not find a supported package manager to install curl and ca-certificates.' >&2
exit 1
fi
fi
installer="$(mktemp)"
trap 'rm -f "$installer"' EXIT
curl --fail --silent --show-error --location https://ollama.com/install.sh --output "$installer"
run_privileged sh "$installer"
command -v ollama >/dev/null 2>&1
ollama --version >/dev/null