initial implementation of jenkins tf image

Author: amr-yassir

tfgrid3/jenkins/Dockerfile

@@ -0,0 +1,21 @@
+FROM ubuntu
+
+RUN apt update
+RUN apt -y install wget openssh-server
+RUN apt -y install gnupg
+
+RUN wget -O /usr/share/keyrings/jenkins-keyring.asc \
+https://pkg.jenkins.io/debian-stable/jenkins.io-2023.key
+
+RUN echo "deb [signed-by=/usr/share/keyrings/jenkins-keyring.asc]" \
+https://pkg.jenkins.io/debian-stable binary/ | tee \
+/etc/apt/sources.list.d/jenkins.list > /dev/null
+
+RUN apt-get update
+RUN apt -y install jenkins
+
+RUN wget -O /sbin/zinit https://github.com/threefoldtech/zinit/releases/download/v0.2.5/zinit && chmod +x /sbin/zinit
+COPY rootfs /
+
+EXPOSE 8080
+ENTRYPOINT [ "/sbin/zinit", "init" ]

tfgrid3/jenkins/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/jenkins/rootfs/etc/zinit/print-jenkins-password.yaml

@@ -0,0 +1,11 @@
+exec: |
+  bash -c '
+    while [ ! -f /var/lib/jenkins/secrets/initialAdminPassword ]; do
+      sleep 1
+    done
+
+    echo "Jenkins initial Admin Password:"
+    cat /var/lib/jenkins/secrets/initialAdminPassword
+  '
+depends: start-jenkins
+oneshot: true

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

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

tfgrid3/jenkins/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/jenkins/rootfs/etc/zinit/start-jenkins.yaml

@@ -0,0 +1 @@
+exec: /usr/bin/jenkins