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LinuxUpskillChallenge/day3_geninventory_phase1.sh

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#
# Day 3 - Generate Inventory (Phase 1: tachyon user)
# Requires linode-cli to be installed (`pip3 install linode-cli`)
# The hosts file generated requires ansible (`pip3 install ansible`)
# This will crush any ansible.cfg and hosts files in the current directory.
# Default ansible group and linode label
if [ -z "$CATEGORY" ]
then
CATEGORY="UpskillChallengeNode"
fi
if [ -z "$ADMINUSER" ]
then
ADMINUSER="tachyon"
fi
# fetch IP address from Linode. Assumes one device (TODO: handle a swarm of them).
NODEIP=$(linode-cli linodes list --format 'ipv4' --label "$CATEGORY" --text | tail -n 1)
# create or clobber hosts file
cat > hosts << EOF
[$CATEGORY]
$NODEIP ansible_user=$ADMINUSER
[$CATEGORY:vars]
ansible_ssh_user=$ADMINUSER
ansible_become=yes
ansible_become_user=root
ansible_become_method=sudo
EOF
# create or clobber hosts file
cat > ansible.cfg << EOF
[defaults]
inventory = $(pwd)/hosts
EOF
ansible "$CATEGORY" -m ping