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Adding install dependencies for helm kubectl and eksctl #127

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Jul 15, 2025
Merged

Adding install dependencies for helm kubectl and eksctl #127

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93 changes: 84 additions & 9 deletions helm_chart/install_dependencies.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -10,16 +10,91 @@ check_status() {

check_status

# Add additional dependencies below as needed
set -e # Exit on any error

# Example: Installing an additional dependency (replace with actual URL)
# echo "Installing Example Dependency..."
# kubectl apply -f "https://example.com/path/to/dependency.yaml"
# check_status
# Function to check if command succeeded
check_success() {
if [ $? -ne 0 ]; then
echo "Error: $1"
exit 1
fi
}

# Function to check if a command exists
command_exists() {
command -v "$1" >/dev/null 2>&1
}

# Install helm if not exists
if command_exists helm; then
echo "helm is already installed. Version: $(helm version)"
else
echo "Installing helm..."
curl -fsSL -o /tmp/get_helm.sh https://raw.githubusercontent.com/helm/helm/main/scripts/get-helm-3
check_success "Failed to download Helm installation script"

chmod 700 /tmp/get_helm.sh
/tmp/get_helm.sh
check_success "Helm installation failed"
fi

# Determine architecture
ARCH=$(uname -m)
if [ "$ARCH" = "x86_64" ]; then
KUBECTL_ARCH="amd64"
else
KUBECTL_ARCH="arm64"
fi

# Install kubectl if not exists
if command_exists kubectl; then
echo "kubectl is already installed. Version: $(kubectl version --client)"
else
echo "Installing kubectl..."
KUBECTL_VERSION=$(curl -L -s https://dl.k8s.io/release/stable.txt)
curl -LO -sS "https://dl.k8s.io/release/${KUBECTL_VERSION}/bin/linux/${KUBECTL_ARCH}/kubectl"
curl -LO -sS "https://dl.k8s.io/release/${KUBECTL_VERSION}/bin/linux/${KUBECTL_ARCH}/kubectl.sha256"

# Verify kubectl checksum
if echo "$(cat kubectl.sha256) kubectl" | sha256sum --check; then
mv kubectl /tmp
chmod +x /tmp/kubectl
sudo mv /tmp/kubectl /usr/local/bin
check_success "Failed to install kubectl"
else
echo "kubectl checksum verification failed"
exit 1
fi
fi

# Install eksctl if not exists
if command_exists eksctl; then
echo "eksctl is already installed. Version: $(eksctl version)"
else
echo "Installing eksctl..."
SYSTEM=$(uname -s)
PLATFORM="${SYSTEM}_${KUBECTL_ARCH}"
EKSCTL_FILE="eksctl_${PLATFORM}.tar.gz"

curl -sLO "https://github.com/eksctl-io/eksctl/releases/latest/download/${EKSCTL_FILE}"
check_success "Failed to download eksctl"

# Verify eksctl checksum
if curl -sL "https://github.com/eksctl-io/eksctl/releases/latest/download/eksctl_checksums.txt" | grep $PLATFORM | sha256sum --check; then
tar -xzf "./${EKSCTL_FILE}" -C /tmp
rm "./${EKSCTL_FILE}"
sudo mv /tmp/eksctl /usr/local/bin
check_success "Failed to install eksctl"
else
echo "eksctl checksum verification failed"
exit 1
fi
fi

# Add more dependencies here
# echo "Installing Another Dependency..."
# kubectl apply -f "https://example.com/path/to/another-dependency.yaml"
# check_status
echo "Installation check completed successfully!"
echo "Installed versions:"
echo "helm: $(helm version)"
echo "kubectl: $(kubectl version --client)"
echo "eksctl: $(eksctl version)"

echo "All dependencies installed successfully."
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