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Refactor Docker install script for Portainer support

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The install-docker.sh script is now generated with Portainer installation logic only if INSTALL_PORTAINER is set to 'yes'. The previous placeholder and sed replacement approach has been removed for clarity and maintainability. This change improves script generation and conditional handling for Portainer installation.
This commit is contained in:
CanbiZ 2025-11-28 13:03:52 +01:00
parent ef765a7d3f
commit 9e8437b7e0
1 changed files with 73 additions and 10 deletions
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83
vm/docker-vm.sh
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@ -642,8 +642,9 @@ echo -e "${INFO}${BOLD}${GN}Preparing ${OS_DISPLAY} Qcow2 Disk Image${CL}"
# Set DNS for libguestfs appliance environment (not the guest)
export LIBGUESTFS_BACKEND_SETTINGS=dns=8.8.8.8,1.1.1.1
# Always create first-boot installation script as fallback
virt-customize -q -a "${FILE}" --run-command "cat > /root/install-docker.sh << 'INSTALLEOF'
# Create install-docker.sh with Portainer support if requested
if [ "$INSTALL_PORTAINER" = "yes" ]; then
virt-customize -q -a "${FILE}" --run-command "cat > /root/install-docker.sh << \"INSTALLEOF\"
#!/bin/bash
# Log output to file
exec > /var/log/install-docker.log 2>&1
@ -665,7 +666,7 @@ for i in {1..30}; do
echo \"[\\$(date)] Network is available\"
break
fi
echo \"[\\$(date)] Waiting for network... attempt \\$i/30\"
echo \"[\\$(date)] Waiting for network... attempt \\\$i/30\"
sleep 2
done
@ -702,13 +703,80 @@ for i in {1..10}; do
sleep 1
done
# Install Portainer if requested
# INSTALL_PORTAINER_PLACEHOLDER
# Install Portainer
/root/portainer-install.sh
# Create completion flag
echo \"[\\$(date)] Docker installation completed successfully\"
touch /root/.docker-installed
INSTALLEOF" >/dev/null
else
virt-customize -q -a "${FILE}" --run-command "cat > /root/install-docker.sh << \"INSTALLEOF\"
#!/bin/bash
# Log output to file
exec > /var/log/install-docker.log 2>&1
echo \"[\\$(date)] Starting Docker installation on first boot\"
# Check if Docker is already installed
if command -v docker >/dev/null 2>&1; then
echo \"[\\$(date)] Docker already installed, checking if running\"
systemctl start docker 2>/dev/null || true
if docker info >/dev/null 2>&1; then
echo \"[\\$(date)] Docker is already working, exiting\"
exit 0
fi
fi
# Wait for network to be fully available
for i in {1..30}; do
if ping -c 1 8.8.8.8 >/dev/null 2>&1; then
echo \"[\\$(date)] Network is available\"
break
fi
echo \"[\\$(date)] Waiting for network... attempt \\\$i/30\"
sleep 2
done
# Configure DNS
echo \"[\\$(date)] Configuring DNS\"
mkdir -p /etc/systemd/resolved.conf.d
cat > /etc/systemd/resolved.conf.d/dns.conf << DNSEOF
[Resolve]
DNS=8.8.8.8 1.1.1.1
FallbackDNS=8.8.4.4 1.0.0.1
DNSEOF
systemctl restart systemd-resolved 2>/dev/null || true
# Update package lists
echo \"[\\$(date)] Updating package lists\"
apt-get update
# Install base packages if not already installed
echo \"[\\$(date)] Installing base packages\"
apt-get install -y qemu-guest-agent curl ca-certificates 2>/dev/null || true
# Install Docker
echo \"[\\$(date)] Installing Docker\"
curl -fsSL https://get.docker.com | sh
systemctl enable docker
systemctl start docker
# Wait for Docker to be ready
for i in {1..10}; do
if docker info >/dev/null 2>&1; then
echo \"[\\$(date)] Docker is ready\"
break
fi
sleep 1
done
# Portainer not requested - skip installation
# Create completion flag
echo \"[\\$(date)] Docker installation completed successfully\"
touch /root/.docker-installed
INSTALLEOF" >/dev/null
fi
# Add Portainer installation script if requested
if [ "$INSTALL_PORTAINER" = "yes" ]; then
@ -729,11 +797,6 @@ echo "[$(date)] Portainer installed"
PORTAINEREOF' >/dev/null
virt-customize -q -a "${FILE}" --run-command 'chmod +x /root/portainer-install.sh' >/dev/null
# Update the install-docker.sh to call portainer installer
virt-customize -q -a "${FILE}" --run-command 'sed -i "s|# INSTALL_PORTAINER_PLACEHOLDER|/root/portainer-install.sh|" /root/install-docker.sh' >/dev/null
else
virt-customize -q -a "${FILE}" --run-command 'sed -i "s|# INSTALL_PORTAINER_PLACEHOLDER|true|" /root/install-docker.sh' >/dev/null
fi
virt-customize -q -a "${FILE}" --run-command "chmod +x /root/install-docker.sh" >/dev/null