Merge pull request #286 from threefoldtech/development_mariadb-demo

add mariadb demo images

tfgrid3/mariadb/.env

@@ -0,0 +1,4 @@
+MYSQL_ROOT_PASSWORD=rootpassword
+MYSQL_DATABASE=mydb
+MYSQL_USER=mysql
+MYSQL_PASSWORD=password

tfgrid3/mariadb/Dockerfile

@@ -0,0 +1,18 @@
+FROM mariadb
+
+ENV DEBIAN_FRONTEND=noninteractive
+RUN apt update && apt -y install wget openssh-server
+
+RUN wget https://github.com/prometheus/node_exporter/releases/download/v1.8.2/node_exporter-1.8.2.linux-amd64.tar.gz && \
+    tar xvfz node_exporter-1.8.2.linux-amd64.tar.gz && \
+    mv node_exporter-1.8.2.linux-amd64/node_exporter /usr/local/bin
+
+RUN wget https://github.com/prometheus/mysqld_exporter/releases/download/v0.15.1/mysqld_exporter-0.15.1.linux-amd64.tar.gz && \
+    tar xvfz mysqld_exporter-0.15.1.linux-amd64.tar.gz && \
+    mv mysqld_exporter-0.15.1.linux-amd64/mysqld_exporter /usr/local/bin
+
+RUN wget -O /sbin/zinit https://github.com/threefoldtech/zinit/releases/download/v0.2.5/zinit && chmod +x /sbin/zinit
+COPY rootfs /
+
+EXPOSE 9500 9501
+ENTRYPOINT [ "/sbin/zinit", "init" ]

tfgrid3/mariadb/README.md

@@ -0,0 +1,17 @@
+# MariaDB
+
+the image contains:
+
+- mariadb server
+- node exporter
+- mysqld exporter
+
+## ports
+
+- `9500` for mysqld exporter
+- `9501` for node exporter
+
+## image
+
+- docker: omarabdul3ziz/mariadb
+- [flist](https://hub.grid.tf/omarabdulaziz.3bot/omarabdul3ziz-mariadb-latest.flist)

tfgrid3/mariadb/rootfs/etc/zinit/mariadb-setup.yaml

@@ -0,0 +1,6 @@
+exec: | 
+  bash -c '
+    mariadb-install-db --user=mysql
+  '
+
+oneshot: true

tfgrid3/mariadb/rootfs/etc/zinit/mariadb.yaml

@@ -0,0 +1,7 @@
+exec: | 
+  bash -c '
+    mariadbd --user=mysql
+  '
+
+after:
+  - mariadb-setup

tfgrid3/mariadb/rootfs/etc/zinit/mysqld-exporter.yaml

@@ -0,0 +1,7 @@
+exec: |
+  bash -c '
+  mysqld_exporter \
+    --web.listen-address=:9500 \
+    --mysqld.username=${MYSQL_USER}:${MYSQL_PASSWORD} \
+    --mysqld.address=localhost:3306
+  '

tfgrid3/mariadb/rootfs/etc/zinit/node-exporter.yaml

@@ -0,0 +1 @@
+exec: node_exporter --web.listen-address=:9501

tfgrid3/mariadb/rootfs/etc/zinit/sshd.yaml

@@ -0,0 +1 @@
+exec: /usr/sbin/sshd -D

tfgrid3/monitored_mariadb/Dockerfile → tfgrid3/mariadb_aio/Dockerfile

@@ -1,9 +1,9 @@
 FROM ubuntu
 
 ENV DEBIAN_FRONTEND=noninteractive
+RUN apt update && apt install -y wget openssh-server
 
-RUN apt update && \
-    apt-get install -y \
+RUN apt-get install -y \
     apt-transport-https \
     ca-certificates \
     curl \
@@ -17,7 +17,6 @@ RUN curl -fsSL https://download.docker.com/linux/ubuntu/gpg | apt-key add - &&\
 
 RUN apt-get update && apt-get install -y docker-ce
 
-RUN apt install -y wget openssh-server
 
 COPY . .
 

tfgrid3/mariadb_aio/etc/zinit/sshkey.yaml

@@ -0,0 +1,14 @@
+exec: |
+  bash -c '
+    if [ ! -z "$SSH_KEY" ]; then
+      mkdir -p /var/run/sshd
+      mkdir -p /root/.ssh
+      touch /root/.ssh/authorized_keys
+      
+      chmod 700 /root/.ssh
+      chmod 600 /root/.ssh/authorized_keys
+
+      echo "$SSH_KEY" >> /root/.ssh/authorized_keys
+    fi
+  '
+oneshot: true

tfgrid3/monitor/Dockerfile

@@ -0,0 +1,24 @@
+FROM ubuntu
+
+ENV DEBIAN_FRONTEND=noninteractive
+
+RUN apt update && apt -y install wget openssh-server
+
+RUN wget https://github.com/prometheus/prometheus/releases/download/v2.33.5/prometheus-2.33.5.linux-amd64.tar.gz && \
+    tar xvf /prometheus-2.33.5.linux-amd64.tar.gz && \
+    useradd --no-create-home --shell /bin/false prometheus && \
+    mv /prometheus-2.33.5.linux-amd64/prometheus /usr/local/bin/ && \
+    chown prometheus:prometheus /usr/local/bin/prometheus && \
+    mkdir /var/lib/prometheus && \
+    chown prometheus:prometheus /var/lib/prometheus
+
+RUN apt -y install adduser libfontconfig1 musl && \
+    wget https://dl.grafana.com/enterprise/release/grafana-enterprise_11.1.3_amd64.deb && \
+    dpkg -i grafana-enterprise_11.1.3_amd64.deb
+
+RUN wget -O /sbin/zinit https://github.com/threefoldtech/zinit/releases/download/v0.2.5/zinit && \
+    chmod +x /sbin/zinit
+
+COPY rootfs .
+
+ENTRYPOINT [ "/sbin/zinit", "init" ]

tfgrid3/monitor/README.md

@@ -0,0 +1,18 @@
+# Monitor
+
+this image include prometheus and grafana that visualize a monitor with a full node dashboard.
+
+## Envvars
+
+- `PROM_TARGETS`: comma-separated string of hosts for prometheus to scrap
+- `SSH_KEY`
+
+## Ports
+
+- `3000` for grafana dashboard
+- `9090` for prometheus web ui
+
+## image
+
+- docker: omarabdul3ziz/monitor
+- [flist](https://hub.grid.tf/omarabdulaziz.3bot/omarabdul3ziz-monitor-latest.flist)

tfgrid3/monitor/rootfs/etc/scripts/config-prom.sh

@@ -0,0 +1,26 @@
+#!/bin/bash
+
+# Check if the PROM_TARGETS environment variable is set
+if [ -z "$PROM_TARGETS" ]; then
+  echo "PROM_TARGETS environment variable is not set."
+  exit 1
+fi
+
+# Split the PROM_TARGETS string into an array
+IFS=',' read -ra TARGETS <<< "$PROM_TARGETS"
+
+mkdir -p /etc/prometheus
+touch /etc/prometheus/prometheus.yml
+
+# Generate the Prometheus config with dynamic targets
+cat <<EOF > /etc/prometheus/prometheus.yml
+global:
+  scrape_interval: 15s
+
+scrape_configs:
+  - job_name: 'mariadb-exporter'
+    static_configs:
+      - targets: [$(printf "'%s'," "${TARGETS[@]}" | sed 's/,$//')]
+EOF
+
+echo "Prometheus configuration generated successfully."

tfgrid3/monitor/rootfs/etc/zinit/graf.yaml

@@ -0,0 +1,3 @@
+exec: grafana-server --homepath /usr/share/grafana
+after:
+  - prom

tfgrid3/monitor/rootfs/etc/zinit/prom-setup.yaml

@@ -0,0 +1,2 @@
+exec: bash /etc/scripts/config-prom.sh
+oneshot: true

tfgrid3/monitor/rootfs/etc/zinit/prom.yaml

@@ -0,0 +1,3 @@
+exec: prometheus --config.file=/etc/prometheus/prometheus.yml
+after:
+  - prom-setup

tfgrid3/monitor/rootfs/etc/zinit/sshd.yaml

@@ -0,0 +1 @@
+exec: /usr/sbin/sshd -D

tfgrid3/monitor/rootfs/etc/zinit/sshkey.yaml

@@ -0,0 +1,14 @@
+exec: |
+  bash -c '
+    if [ ! -z "$SSH_KEY" ]; then
+      mkdir -p /var/run/sshd
+      mkdir -p /root/.ssh
+      touch /root/.ssh/authorized_keys
+      
+      chmod 700 /root/.ssh
+      chmod 600 /root/.ssh/authorized_keys
+
+      echo "$SSH_KEY" >> /root/.ssh/authorized_keys
+    fi
+  '
+oneshot: true

tfgrid3/monitor/rootfs/usr/share/grafana/conf/provisioning/dashboards/default.yaml

@@ -0,0 +1,8 @@
+apiVersion: 1
+
+providers:
+  - name: Default
+    folder: Services
+    type: file
+    options:
+      path: /var/lib/grafana/dashboards

tfgrid3/monitor/rootfs/usr/share/grafana/conf/provisioning/datasources/default.yml

@@ -0,0 +1,9 @@
+apiVersion: 1
+
+datasources:
+  - name: Prometheus
+    type: prometheus
+    url: http://localhost:9090
+    isDefault: true
+    access: proxy
+    editable: true