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installer: handle network proxy in systemd install 

If a network proxy configuration is detected, setup an override
systemd unit file for nix-daemon service with the non-empty
proxy variables.

Proxy detection is performed by looking for http/https/ftp proxy and no
proxy variables in user environment
This commit is contained in:
Venkateswara Rao Mandela 2019-06-15 00:27:26 +05:30 committed by Graham Christensen
parent 41d010fff6
commit 6dab42a551
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1 changed files with 34 additions and 0 deletions
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34
scripts/install-systemd-multi-user.sh Normal file → Executable file
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@ -9,6 +9,38 @@ readonly SERVICE_DEST=/etc/systemd/system/nix-daemon.service
readonly SOCKET_SRC=/lib/systemd/system/nix-daemon.socket
readonly SOCKET_DEST=/etc/systemd/system/nix-daemon.socket
# Path for the systemd override unit file to contain the proxy settings
readonly SERVICE_OVERRIDE=${SERVICE_DEST}.d/override.conf
create_systemd_override() {
header "Configuring proxy for the nix-daemon service"
_sudo "create directory for systemd unit override" mkdir -p "$(dirname $SERVICE_OVERRIDE)"
cat <<EOF | _sudo "create systemd unit override" tee "$SERVICE_OVERRIDE"
[Service]
$1
EOF
}
# Gather all non-empty proxy environment variables into a string
create_systemd_proxy_env() {
vars="http_proxy https_proxy ftp_proxy no_proxy HTTP_PROXY HTTPS_PROXY FTP_PROXY NO_PROXY"
for v in $vars; do
if [ "x${!v:-}" != "x" ]; then
echo "Environment=${v}=${!v}"
fi
done
}
handle_network_proxy() {
# Create a systemd unit override with proxy environment variables
# if any proxy environment variables are not empty.
PROXY_ENV_STRING=$(create_systemd_proxy_env)
if [ -n "${PROXY_ENV_STRING}" ]; then
create_systemd_override "${PROXY_ENV_STRING}"
fi
}
poly_validate_assumptions() {
if [ "$(uname -s)" != "Linux" ]; then
failure "This script is for use with Linux!"
@ -47,6 +79,8 @@ poly_configure_nix_daemon_service() {
_sudo "to set up the nix-daemon socket service" \
systemctl enable "/nix/var/nix/profiles/default$SOCKET_SRC"
handle_network_proxy
_sudo "to load the systemd unit for nix-daemon" \
systemctl daemon-reload