Coffee journaling on ATProto (alpha)
alpha.arabica.social
coffee
feat: nix flake run target for observability stack
authored by
Patrick Dewey
and committed by
tangled.org
3d6ef573
448517c2
+141
-3
+1
-1
default.nix
nix/default.nix
+1
-1
default.nix
nix/default.nix
+3
-2
flake.nix
+3
-2
flake.nix
···
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});
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packages = forAllSystems (pkgs: system: rec {
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-
arabica = pkgs.callPackage ./default.nix { };
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arabica = pkgs.callPackage ./nix/default.nix { };
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default = arabica;
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});
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···
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${pkgs.tailwindcss}/bin/tailwindcss -i static/css/app.css -o static/css/output.css --minify
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'');
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};
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monitoring = import ./nix/monitoring.nix { inherit pkgs; };
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});
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nixosModules.default = import ./module.nix;
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nixosModules.default = import ./nix/module.nix;
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};
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}
module.nix
nix/module.nix
module.nix
nix/module.nix
+137
nix/monitoring.nix
+137
nix/monitoring.nix
···
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{ pkgs }:
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{
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type = "app";
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program = toString (pkgs.writeShellScript "monitoring-stack" ''
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set -euo pipefail
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TMPDIR=$(mktemp -d)
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trap 'echo "Shutting down monitoring stack..."; kill $(jobs -p) 2>/dev/null; rm -rf "$TMPDIR"' EXIT INT TERM
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mkdir -p "$TMPDIR"/{grafana/{data,plugins,logs},prometheus,loki,tempo}
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# Prometheus config
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cat > "$TMPDIR/prometheus/prometheus.yml" <<'EOF'
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global:
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scrape_interval: 15s
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+
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scrape_configs:
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- job_name: arabica
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static_configs:
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- targets: ['localhost:9101']
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EOF
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+
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# Loki config
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cat > "$TMPDIR/loki/loki.yaml" <<'EOF'
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auth_enabled: false
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server:
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http_listen_port: 3100
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common:
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ring:
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instance_addr: 127.0.0.1
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kvstore:
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store: inmemory
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replication_factor: 1
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path_prefix: /tmp/loki
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schema_config:
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configs:
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- from: 2020-10-24
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store: tsdb
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object_store: filesystem
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schema: v13
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index:
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prefix: index_
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period: 24h
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storage_config:
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filesystem:
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directory: /tmp/loki/chunks
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EOF
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# Tempo config
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cat > "$TMPDIR/tempo/tempo.yaml" <<'EOF'
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server:
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http_listen_port: 3200
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distributor:
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receivers:
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otlp:
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protocols:
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http:
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endpoint: 0.0.0.0:4318
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grpc:
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endpoint: 0.0.0.0:4317
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storage:
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trace:
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backend: local
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local:
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path: /tmp/tempo/traces
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wal:
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path: /tmp/tempo/wal
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EOF
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# Grafana datasources
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mkdir -p "$TMPDIR/grafana/provisioning/datasources"
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cat > "$TMPDIR/grafana/provisioning/datasources/datasources.yaml" <<'EOF'
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apiVersion: 1
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datasources:
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- name: Prometheus
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type: prometheus
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uid: prometheus
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url: http://localhost:9090
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isDefault: true
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- name: Loki
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type: loki
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uid: loki
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url: http://localhost:3100
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- name: Tempo
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type: tempo
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uid: tempo
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url: http://localhost:3200
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jsonData:
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tracesToLogsV2:
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datasourceUid: loki
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serviceMap:
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datasourceUid: prometheus
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EOF
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echo "Starting Prometheus on :9090..."
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${pkgs.prometheus}/bin/prometheus \
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--config.file="$TMPDIR/prometheus/prometheus.yml" \
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--storage.tsdb.path="$TMPDIR/prometheus/data" \
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--web.listen-address=":9090" \
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> "$TMPDIR/prometheus.log" 2>&1 &
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echo "Starting Loki on :3100..."
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${pkgs.grafana-loki}/bin/loki \
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-config.file="$TMPDIR/loki/loki.yaml" \
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> "$TMPDIR/loki.log" 2>&1 &
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echo "Starting Tempo on :3200 (OTLP HTTP :4318, OTLP gRPC :4317)..."
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${pkgs.tempo}/bin/tempo \
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-config.file="$TMPDIR/tempo/tempo.yaml" \
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> "$TMPDIR/tempo.log" 2>&1 &
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echo "Starting Grafana on :3000 (admin/admin)..."
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GF_PATHS_DATA="$TMPDIR/grafana/data" \
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GF_PATHS_PLUGINS="$TMPDIR/grafana/plugins" \
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GF_PATHS_LOGS="$TMPDIR/grafana/logs" \
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GF_PATHS_PROVISIONING="$TMPDIR/grafana/provisioning" \
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GF_SERVER_HTTP_PORT=3000 \
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GF_AUTH_ANONYMOUS_ENABLED=true \
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GF_AUTH_ANONYMOUS_ORG_ROLE=Admin \
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${pkgs.grafana}/bin/grafana server \
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--homepath=${pkgs.grafana}/share/grafana \
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> "$TMPDIR/grafana.log" 2>&1 &
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echo ""
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echo "Monitoring stack running:"
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echo " Grafana: http://localhost:3000"
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echo " Prometheus: http://localhost:9090"
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echo " Loki: http://localhost:3100"
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echo " Tempo: http://localhost:3200"
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echo ""
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echo "Arabica should send traces to OTEL_EXPORTER_OTLP_ENDPOINT=localhost:4318"
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echo "Arabica metrics are scraped from :9101/metrics"
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echo ""
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echo "Press Ctrl+C to stop."
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wait
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'');
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}