single-step script to perform all administration, some ansible performance settings

day1_geninventory.sh

@@ -23,6 +23,10 @@ EOF
 cat > ansible.cfg << EOF
 [defaults]
 inventory = $(pwd)/hosts
+
+[ssh_connection]
+ssh_args = "-o ControlMaster=auto -o ControlPersist=60s -o PreferredAuthentications=publickey"
+pipelining = true
 EOF
 
 ansible "$CATEGORY" -m ping

day3_geninventory_phase1.sh

@@ -34,6 +34,10 @@ EOF
 cat > ansible.cfg << EOF
 [defaults]
 inventory = $(pwd)/hosts
+
+[ssh_connection]
+ssh_args = "-o ControlMaster=auto -o ControlPersist=60s -o PreferredAuthentications=publickey"
+pipelining = true
 EOF
 
 ansible "$CATEGORY" -m ping

day3_geninventory_phase2.sh

@@ -39,6 +39,10 @@ EOF
 cat > ansible.cfg << EOF
 [defaults]
 inventory = $(pwd)/hosts
+
+[ssh_connection]
+ssh_args = "-o ControlMaster=auto -o ControlPersist=60s -o PreferredAuthentications=publickey"
+pipelining = true
 EOF
 
 ansible "$CATEGORY" -m ping

jupyterhubsrv.yml

@@ -1,6 +1,7 @@
 ---
 - name: Install Jupyterhub
   hosts: UpskillChallengeNode
+  gather_facts: no
 
   tasks:
   - name: Create NodeJS directory
@@ -23,7 +24,7 @@
       mode: 0755
 
   - name: run NodeJS configuration script
-    ansible.builtin.shell: setup_14.x
+    ansible.builtin.shell: /opt/nodesource/setup_14.x
     args:
       chdir: /opt/nodesource
       creates: /etc/apt/sources.list.d/nodesource.list

omniconfig.sh

@@ -0,0 +1,21 @@
+#!/bin/bash
+
+d ()
+{
+    date '+%F %T'
+}
+
+echo $(d): Starting server
+ROOT_PASS="Swordfish4321!" ./day0_create.sh
+./wait_ready.sh
+./day1_geninventory.sh
+echo $(d): Creating user account
+ansible-playbook phase1user.yml > .phase1.log
+./day3_geninventory_phase1.sh
+echo $(d): Securing SSH access
+ansible-playbook phase2user.yml > .phase2.log
+./day3_geninventory_phase2.sh
+echo $(d): configuring jupyterhub
+ansible-playbook jupyterhubsrv.yml > .jupyterhub.log
+echo $(d): ready
+

phase1user.yml

@@ -1,6 +1,7 @@
 ---
 - name: Create admin user
   hosts: UpskillChallengeNode
+  gather_facts: no
 
   vars:
     newusername: "tachyon"

phase2user.yml

@@ -1,6 +1,7 @@
 ---
 - name: Lock down root & SSH on the server
   hosts: UpskillChallengeNode
+  gather_facts: no
 
   tasks:
   - name: Disable root login over ssh

wait_ready.sh

@@ -0,0 +1,23 @@
+#!/bin/bash
+
+if [ -z ""]
+then
+    LABEL="UpskillChallengeNode"
+fi
+
+NODESTATE="indeterminate"
+while [ "$NODESTATE" != "running" ]
+do
+  OLDSTATE=$NODESTATE
+  NODESTATE=$(linode-cli linodes list --format 'status' --label "$LABEL" --text | tail -n 1)
+  if [ "$NODESTATE" = "status" ]
+  then
+      echo "No node detected."
+      exit 1
+  fi
+
+  if [ "$NODESTATE" != "$OLDSTATE" ]
+  then
+    echo "$(date '+%F %T'): $NODESTATE"
+  fi
+done