Jinemi/thermograph
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Agents push to Loki over the mesh IP, not host loopback

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A containerized Alloy agent can't reach the host's 127.0.0.1, so even the
beta-local agent must push to beta's wg0 address (10.10.0.2:3100), not
127.0.0.1. Fix the beta example in the README and the agent compose header.
This commit is contained in:
Emi Griffith 2026-07-21 09:24:26 -07:00
parent 7e8a484ad5
commit 710d9d4fec
2 changed files with 5 additions and 4 deletions
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5
README.md
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@ -84,8 +84,9 @@ docker exec -u git <forgejo-container> forgejo admin auth add-oauth \
```bash
cd thermograph-observability/alloy
# beta pushes to local Loki; prod & desktop push over the mesh:
# beta: LOKI_URL=http://127.0.0.1:3100/loki/api/v1/push ALLOY_NODE=beta
# Every node (beta included) pushes to Loki over the mesh IP — a containerized
# agent can't reach the host's 127.0.0.1, but it can reach beta's wg0 address:
# beta: LOKI_URL=http://10.10.0.2:3100/loki/api/v1/push ALLOY_NODE=beta
# prod: LOKI_URL=http://10.10.0.2:3100/loki/api/v1/push ALLOY_NODE=prod
# desktop: LOKI_URL=http://10.10.0.2:3100/loki/api/v1/push ALLOY_NODE=dev
ALLOY_NODE=prod LOKI_URL=http://10.10.0.2:3100/loki/api/v1/push \

4
alloy/docker-compose.agent.yml
View file

@ -5,8 +5,8 @@
# Per-node config comes from the environment (an .env file next to this, or
# exported before `up`):
# ALLOY_NODE this node's label: prod | beta | dev
# LOKI_URL push endpoint. On beta: http://127.0.0.1:3100/loki/api/v1/push
# Elsewhere (over wg0): http://10.10.0.2:3100/loki/api/v1/push
# LOKI_URL push endpoint. All nodes push over the mesh:
# http://10.10.0.2:3100/loki/api/v1/push
#
# Deploy on a node:
# ALLOY_NODE=prod LOKI_URL=http://10.10.0.2:3100/loki/api/v1/push \