From 747d0904c0bc232ea88920eda4138a8bb1a79424 Mon Sep 17 00:00:00 2001 From: hoholms Date: Thu, 11 Dec 2025 22:24:54 +0200 Subject: [PATCH 1/2] Add loki (ct) --- ct/alpine-loki.sh | 71 ++++++++++++++++++++++++++++++++++ ct/headers/alpine-loki | 6 +++ ct/headers/loki | 5 +++ ct/loki.sh | 58 +++++++++++++++++++++++++++ frontend/public/json/loki.json | 44 +++++++++++++++++++++ install/alpine-loki-install.sh | 41 ++++++++++++++++++++ install/loki-install.sh | 37 ++++++++++++++++++ 7 files changed, 262 insertions(+) create mode 100644 ct/alpine-loki.sh create mode 100644 ct/headers/alpine-loki create mode 100644 ct/headers/loki create mode 100644 ct/loki.sh create mode 100644 frontend/public/json/loki.json create mode 100644 install/alpine-loki-install.sh create mode 100644 install/loki-install.sh diff --git a/ct/alpine-loki.sh b/ct/alpine-loki.sh new file mode 100644 index 000000000..99528206d --- /dev/null +++ b/ct/alpine-loki.sh @@ -0,0 +1,71 @@ +#!/usr/bin/env bash +source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func) +# Copyright (c) 2021-2025 community-scripts ORG +# Author: hoholms +# License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE +# Source: https://github.com/grafana/loki + +APP="Alpine-Loki" +var_tags="${var_tags:-alpine;monitoring}" +var_cpu="${var_cpu:-1}" +var_ram="${var_ram:-256}" +var_disk="${var_disk:-1}" +var_os="${var_os:-alpine}" +var_version="${var_version:-3.22}" +var_unprivileged="${var_unprivileged:-1}" + +header_info "$APP" +variables +color +catch_errors + +function update_script() { + if ! apk -e info newt >/dev/null 2>&1; then + apk add -q newt + fi + LXCIP=$(ip a s dev eth0 | awk '/inet / {print $2}' | cut -d/ -f1) + while true; do + CHOICE=$( + whiptail --backtitle "Proxmox VE Helper Scripts" --title "SUPPORT" --menu "Select option" 11 58 3 \ + "1" "Check for Loki Updates" \ + "2" "Allow 0.0.0.0 for listening" \ + "3" "Allow only ${LXCIP} for listening" 3>&2 2>&1 1>&3 + ) + exit_status=$? + if [ $exit_status == 1 ]; then + clear + exit-script + fi + header_info + case $CHOICE in + 1) + $STD apk -U upgrade + msg_ok "Updated successfully!" + exit + ;; + 2) + sed -i -e "s/cfg:server.http_addr=.*/cfg:server.http_addr=0.0.0.0/g" /etc/conf.d/loki + service loki restart + msg_ok "Allowed listening on all interfaces!" + exit + ;; + 3) + sed -i -e "s/cfg:server.http_addr=.*/cfg:server.http_addr=$LXCIP/g" /etc/conf.d/loki + service loki restart + msg_ok "Allowed listening only on ${LXCIP}!" + exit + ;; + esac + done + exit 0 +} + +start +build_container +description + +msg_ok "Completed Successfully!\n" +echo -e "${APP} should be reachable by going to the following URL. + ${BL}http://${IP}:3100${CL} \n" +echo -e "Promtail should be reachable by going to the following URL. + ${BL}http://${IP}:9080${CL} \n" diff --git a/ct/headers/alpine-loki b/ct/headers/alpine-loki new file mode 100644 index 000000000..ca154285e --- /dev/null +++ b/ct/headers/alpine-loki @@ -0,0 +1,6 @@ + ___ __ _ __ __ _ + / | / /___ (_)___ ___ / / ____ / /__(_) + / /| | / / __ \/ / __ \/ _ \______/ / / __ \/ //_/ / + / ___ |/ / /_/ / / / / / __/_____/ /___/ /_/ / ,< / / +/_/ |_/_/ .___/_/_/ /_/\___/ /_____/\____/_/|_/_/ + /_/ diff --git a/ct/headers/loki b/ct/headers/loki new file mode 100644 index 000000000..38b3c722b --- /dev/null +++ b/ct/headers/loki @@ -0,0 +1,5 @@ + __ __ _ + / / ____ / /__(_) + / / / __ \/ //_/ / + / /___/ /_/ / ,< / / +/_____/\____/_/|_/_/ diff --git a/ct/loki.sh b/ct/loki.sh new file mode 100644 index 000000000..ac4b9629e --- /dev/null +++ b/ct/loki.sh @@ -0,0 +1,58 @@ +#!/usr/bin/env bash +source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func) +# Copyright (c) 2021-2025 community-scripts ORG +# Author: hoholms +# License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE +# Source: https://github.com/grafana/loki + +APP="Loki" +var_tags="${var_tags:-monitoring;logs}" +var_cpu="${var_cpu:-1}" +var_ram="${var_ram:-512}" +var_disk="${var_disk:-2}" +var_os="${var_os:-debian}" +var_version="${var_version:-13}" +var_unprivileged="${var_unprivileged:-1}" + +header_info "$APP" +variables +color +catch_errors + +function update_script() { + header_info + check_container_storage + check_container_resources + + if ! dpkg -s loki >/dev/null 2>&1; then + msg_error "No ${APP} Installation Found!" + exit 1 + fi + + if [[ -f /etc/apt/sources.list.d/grafana.list ]] || [[ ! -f /etc/apt/sources.list.d/grafana.sources ]]; then + setup_deb822_repo \ + "grafana" \ + "https://apt.grafana.com/gpg.key" \ + "https://apt.grafana.com" \ + "stable" \ + "main" + fi + + msg_info "Updating Loki LXC" + $STD apt update + $STD apt --only-upgrade install -y loki + $STD apt --only-upgrade install -y promtail + msg_ok "Updated successfully!" + exit +} + +start +build_container +description + +msg_ok "Completed Successfully!\n" +echo -e "${CREATING}${GN}${APP} setup has been successfully initialized!${CL}" +echo -e "${INFO}${YW} Access it using the following URL:${CL}" +echo -e "${TAB}${GATEWAY}${BGN}http://${IP}:3100${CL}\n" +echo -e "${INFO}${YW} Access promtail using the following URL:${CL}" +echo -e "${TAB}${GATEWAY}${BGN}http://${IP}:9080${CL}" diff --git a/frontend/public/json/loki.json b/frontend/public/json/loki.json new file mode 100644 index 000000000..fa3362a86 --- /dev/null +++ b/frontend/public/json/loki.json @@ -0,0 +1,44 @@ +{ + "name": "Loki", + "slug": "loki", + "categories": [9], + "date_created": "2025-12-10", + "type": "ct", + "updateable": true, + "privileged": false, + "interface_port": 3100, + "documentation": "https://grafana.com/docs/loki/latest/", + "website": "https://github.com/grafana/loki", + "logo": "https://cdn.jsdelivr.net/gh/selfhst/icons@master/webp/loki.webp", + "config_path": "Debian: /etc/loki/config.yml | Alpine: /etc/loki/loki-local-config.yaml", + "description": "Grafana Loki is a set of open source components that can be composed into a fully featured logging stack. A small index and highly compressed chunks simplifies the operation and significantly lowers the cost of Loki.", + "install_methods": [ + { + "type": "default", + "script": "ct/loki.sh", + "resources": { + "cpu": 1, + "ram": 512, + "hdd": 2, + "os": "debian", + "version": "13" + } + }, + { + "type": "alpine", + "script": "ct/alpine-loki.sh", + "resources": { + "cpu": 1, + "ram": 256, + "hdd": 1, + "os": "alpine", + "version": "3.22" + } + } + ], + "default_credentials": { + "username": null, + "password": null + }, + "notes": [] +} diff --git a/install/alpine-loki-install.sh b/install/alpine-loki-install.sh new file mode 100644 index 000000000..cc5dbfdee --- /dev/null +++ b/install/alpine-loki-install.sh @@ -0,0 +1,41 @@ +#!/usr/bin/env bash + +# Copyright (c) 2021-2025 community-scripts ORG +# Author: hoholms +# License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE +# Source: https://github.com/grafana/loki + +source /dev/stdin <<<"$FUNCTIONS_FILE_PATH" +color +verb_ip6 +catch_errors +setting_up_container +network_check +update_os + +msg_info "Installing Loki" +$STD apk add loki +$STD sed -i '/http_addr/s/127.0.0.1/0.0.0.0/g' /etc/conf.d/loki +$STD rc-service loki start +$STD rc-update add loki default +$STD mkdir /tmp/loki/ +$STD chown -R loki:grafana /tmp/loki/ +$STD mkdir /var/log/loki/ +$STD chown -R loki:grafana /var/log/loki/ +$STD chmod 755 /etc/loki/loki-local-config.yaml +$STD sed -i '/^querier:/,/enable_multi_variant_queries: false/ s/^/#/' /etc/loki/loki-local-config.yaml +$STD echo "output_log=\"\${output_log:-/var/log/loki/output.log}\"" >> /etc/init.d/loki +$STD echo "error_log=\"\${error_log:-/var/log/loki/error.log}\"" >> /etc/init.d/loki +$STD echo "start_stop_daemon_args=\"\${SSD_OPTS} -1 \${output_log} -2 \${error_log}\"" >> /etc/init.d/loki +$STD rc-service loki restart +msg_ok "Installed Loki" + +msg_info "Installing Promtail" +$STD apk add loki-promtail +$STD sed -i '/http_addr/s/127.0.0.1/0.0.0.0/g' /etc/conf.d/loki +$STD rc-service loki-promtail start +$STD rc-update add loki-promtail default +msg_ok "Installed Promtail" + +motd_ssh +customize diff --git a/install/loki-install.sh b/install/loki-install.sh new file mode 100644 index 000000000..0edc93282 --- /dev/null +++ b/install/loki-install.sh @@ -0,0 +1,37 @@ +#!/usr/bin/env bash + +# Copyright (c) 2021-2025 community-scripts ORG +# Author: hoholms +# License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE +# Source: https://github.com/grafana/loki + +source /dev/stdin <<<"$FUNCTIONS_FILE_PATH" +color +verb_ip6 +catch_errors +setting_up_container +network_check +update_os + +msg_info "Setting up Grafana Repository" +setup_deb822_repo \ + "grafana" \ + "https://apt.grafana.com/gpg.key" \ + "https://apt.grafana.com" \ + "stable" \ + "main" +msg_ok "Grafana Repository setup sucessfully" + +msg_info "Installing Loki" +$STD apt install -y loki +systemctl enable -q --now loki +msg_ok "Installed Loki" + +msg_info "Installing Promtail" +$STD apt install -y promtail +systemctl enable -q --now promtail +msg_ok "Installed Promtail" + +motd_ssh +customize +cleanup_lxc From 2798c23dca7542c04a99c410c23d1e1b828dcdfc Mon Sep 17 00:00:00 2001 From: hoholms Date: Fri, 12 Dec 2025 02:11:57 +0200 Subject: [PATCH 2/2] Address review comments, stop/start loki and promtail services during update --- ct/loki.sh | 24 ++++++++++++++---------- 1 file changed, 14 insertions(+), 10 deletions(-) diff --git a/ct/loki.sh b/ct/loki.sh index ac4b9629e..707b2fb46 100644 --- a/ct/loki.sh +++ b/ct/loki.sh @@ -29,20 +29,24 @@ function update_script() { exit 1 fi - if [[ -f /etc/apt/sources.list.d/grafana.list ]] || [[ ! -f /etc/apt/sources.list.d/grafana.sources ]]; then - setup_deb822_repo \ - "grafana" \ - "https://apt.grafana.com/gpg.key" \ - "https://apt.grafana.com" \ - "stable" \ - "main" - fi + msg_info "Stopping Loki" + systemctl stop loki + systemctl stop promtail + msg_ok "Stopped Loki" - msg_info "Updating Loki LXC" + msg_info "Updating Loki" $STD apt update $STD apt --only-upgrade install -y loki $STD apt --only-upgrade install -y promtail - msg_ok "Updated successfully!" + msg_ok "Updated Loki" + + msg_info "Starting Loki" + systemctl start loki + systemctl start promtail + msg_ok "Started Loki" + + msg_ok "Update Successful" + exit }