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Commit 57b1a8f

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sambersamber
committedApr 10, 2018
upgrade + 1 single fat container
1 parent 4d1288e commit 57b1a8f

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-17
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‎Dockerfile

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#
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# 1 single fat container for hosting demo in 1 Clever Cloud instance ;)
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#
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FROM prom/prometheus:v2.2.1 AS prometheus
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# get demo app
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FROM samber/node-promfiler-demo
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# get prometheus
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COPY --from=prometheus /bin/prometheus /bin/prometheus
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COPY --from=prometheus /etc/prometheus /etc/prometheus
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COPY demo/prometheus.yml /etc/prometheus/prometheus.yml
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# get grafana
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ARG DOWNLOAD_URL="https://s3-us-west-2.amazonaws.com/grafana-releases/master/grafana_latest_amd64.deb"
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RUN apt-get update && \
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apt-get -y --no-install-recommends install libfontconfig curl ca-certificates && \
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apt-get clean && \
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curl ${DOWNLOAD_URL} > /tmp/grafana.deb && \
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dpkg -i /tmp/grafana.deb && \
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rm /tmp/grafana.deb && \
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curl -L https://github.com/tianon/gosu/releases/download/1.10/gosu-amd64 > /usr/sbin/gosu && \
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chmod +x /usr/sbin/gosu && \
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apt-get autoremove -y && \
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rm -rf /var/lib/apt/lists/*
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COPY demo/grafana.sh /grafana.sh
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COPY demo/grafana.db /var/lib/grafana/grafana.db
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COPY dist/ /var/lib/grafana/plugins/grafana-flamegraph-panel
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# get containerpilot
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RUN wget https://github.com/joyent/containerpilot/releases/download/3.7.0/containerpilot-3.7.0.tar.gz \
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&& tar xvf containerpilot-3.7.0.tar.gz \
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&& rm containerpilot-3.7.0.tar.gz \
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&& mv containerpilot /bin/containerpilot
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COPY demo/containerpilot.json /etc/containerpilot.json
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CMD /bin/containerpilot -config /etc/containerpilot.json

‎README.md

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## Demo
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**[Grafana live demo](https://grafana.flamgraph.samuel-berthe.fr/dashboard/db/demo-flamegraph?orgId=1)**
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**[Grafana live demo](https://grafana.flamegraph.samuel-berthe.fr/d/000000001/demo-flamegraph?orgId=1)**
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To generate metrics on the "demo" service, execute many times:
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```
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$ curl https://demo.flamgraph.samuel-berthe.fr
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```
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To generate metrics on the "demo" service (docker samber/node-promfiler-demo), a cronjob executes requests on API regulary.
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You will see some `pow()` calls in the graph.
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Metrics are collected every 30 secondes, plz keep waiting if `pow()` is not shown on the flame graph.
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## Live profiling
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### Prometheus + NodeJS

‎demo/Caddyfile

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https://grafana.flamgraph.samuel-berthe.fr {
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https://grafana.flamegraph.samuel-berthe.fr {
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tls dev@samuel-berthe.fr
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proxy / localhost:3000

‎demo/README.md

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## Producing stack traces
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```
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$ curl localhost:8080
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$ curl localhost:8080
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$ curl localhost:8080
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$ curl localhost:8080
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$ curl localhost:8080
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$ curl localhost:8000
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$ curl localhost:8000
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$ curl localhost:8000
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$ curl localhost:8000
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$ curl localhost:8000
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...
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```

‎demo/containerpilot.json

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{
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consul: "1.2.3.4:8500",
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logging: {
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level: "INFO",
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format: "default",
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output: "stdout"
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},
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jobs: [
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{
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name: "grafana",
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exec: "/grafana.sh",
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restarts: "unlimited"
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},
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{
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name: "prometheus",
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exec: "/bin/prometheus --config.file=/etc/prometheus/prometheus.yml --storage.tsdb.path=/data/prometheus --storage.tsdb.retention=1h",
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restarts: "unlimited"
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},
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{
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name: "node-promfiler-demo",
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exec: "node-promfiler --sampling-interval=100 /app/app.js",
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restarts: "999999999",
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port: 8080,
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when: {
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source: "schedule-restart",
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each: "exitSuccess"
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},
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health: {
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exec: "/usr/bin/curl localhost:8000",
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interval: 42,
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ttl: 42,
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timeout: "5s",
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},
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},
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{
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name: "schedule-restart",
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exec: "echo 0",
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restarts: "unlimited",
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when: {
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interval: 900,
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}
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}
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]
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}

‎demo/docker-compose.yml

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restart: unless-stopped
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exporter:
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image: samber/node-promfile-demo
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image: samber/node-promfiler-demo
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ports:
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- 127.0.0.1:8080:8080
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- 127.0.0.1:8000:8000
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expose:
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- 9142
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environment:
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- PORT=8000
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restart: unless-stopped
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volumes:

‎demo/grafana.db

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‎demo/grafana.sh

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#!/bin/bash -e
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: "${GF_PATHS_CONFIG:=/etc/grafana/grafana.ini}"
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: "${GF_PATHS_DATA:=/var/lib/grafana}"
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: "${GF_PATHS_LOGS:=/var/log/grafana}"
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: "${GF_PATHS_PLUGINS:=/var/lib/grafana/plugins}"
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: "${GF_PATHS_PROVISIONING:=/etc/grafana/provisioning}"
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chown -R grafana:grafana "$GF_PATHS_DATA" "$GF_PATHS_LOGS" || true
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if [ ! -z ${GF_AWS_PROFILES+x} ]; then
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mkdir -p ~grafana/.aws/
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> ~grafana/.aws/credentials
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for profile in ${GF_AWS_PROFILES}; do
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access_key_varname="GF_AWS_${profile}_ACCESS_KEY_ID"
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secret_key_varname="GF_AWS_${profile}_SECRET_ACCESS_KEY"
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region_varname="GF_AWS_${profile}_REGION"
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if [ ! -z "${!access_key_varname}" -a ! -z "${!secret_key_varname}" ]; then
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echo "[${profile}]" >> ~grafana/.aws/credentials
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echo "aws_access_key_id = ${!access_key_varname}" >> ~grafana/.aws/credentials
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echo "aws_secret_access_key = ${!secret_key_varname}" >> ~grafana/.aws/credentials
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if [ ! -z "${!region_varname}" ]; then
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echo "region = ${!region_varname}" >> ~grafana/.aws/credentials
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fi
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fi
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done
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chown grafana:grafana -R ~grafana/.aws
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chmod 600 ~grafana/.aws/credentials
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fi
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if [ ! -z "${GF_INSTALL_PLUGINS}" ]; then
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OLDIFS=$IFS
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IFS=','
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for plugin in ${GF_INSTALL_PLUGINS}; do
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IFS=$OLDIFS
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gosu grafana grafana-cli --pluginsDir "${GF_PATHS_PLUGINS}" plugins install ${plugin}
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done
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fi
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exec gosu grafana /usr/sbin/grafana-server \
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--homepath=/usr/share/grafana \
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--config="$GF_PATHS_CONFIG" \
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"$@" \
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cfg:default.log.mode="console" \
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cfg:default.paths.data="$GF_PATHS_DATA" \
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cfg:default.paths.logs="$GF_PATHS_LOGS" \
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cfg:default.paths.plugins="$GF_PATHS_PLUGINS" \
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cfg:default.paths.provisioning=$GF_PATHS_PROVISIONING

‎demo/prometheus.yml

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scrape_interval: 30s
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scrape_timeout: 3s
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static_configs:
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- targets: ['exporter:9142']
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- targets: ['localhost:9142']

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