mirror of
https://github.com/Sea-Haven-Industries/file-share.git
synced 2026-09-30 03:13:11 +00:00
2c45931741
Some checks are pending
Deploy / deploy (push) Waiting to run
- Import vol-04d951cccacc435b5 (the real 500GiB data volume, orphaned by the 2026-06-05 redeploy) via Volume.fromVolumeAttributes — unmanaged, so CloudFormation can attach but never create/replace/delete it. - Remove the inline /dev/xvdf blockDevice (this is what created the empty volume that shadowed the data). - cachedInContext: true + committed cdk.context.json so AMI updates are deliberate (uncached lookup replaced the instance on every new AL2023 release). - Includes the previously-deployed-but-uncommitted 2026-05-27 work: standalone volume pattern, volume-wait userdata, SFTP access. Deploy replaces the instance once; userdata's blkid guard mounts the existing filesystem without formatting.
243 lines
9 KiB
TypeScript
243 lines
9 KiB
TypeScript
import * as cdk from "aws-cdk-lib";
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import * as ec2 from "aws-cdk-lib/aws-ec2";
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import * as iam from "aws-cdk-lib/aws-iam";
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import * as dlm from "aws-cdk-lib/aws-dlm";
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import { Construct } from "constructs";
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export class FileShareStack extends cdk.Stack {
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constructor(scope: Construct, id: string, props?: cdk.StackProps) {
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super(scope, id, props);
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const vpc = ec2.Vpc.fromLookup(this, "SeaHavenVpc", {
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vpcId: "vpc-0d3d4b67bd0cf8a68",
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});
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const privateSubnet1 = ec2.Subnet.fromSubnetAttributes(
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this, "PrivateSubnet1", {
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subnetId: "subnet-04e38c507e96f1926",
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availabilityZone: "us-east-1a",
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}
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);
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const sg = new ec2.SecurityGroup(this, "SecurityGroup", {
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vpc,
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securityGroupName: "file-share",
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description: "File share - SMB and FileBrowser via VPN",
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allowAllOutbound: true,
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});
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sg.addIngressRule(ec2.Peer.ipv4("10.10.0.0/16"), ec2.Port.tcp(445), "SMB from office VPN");
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sg.addIngressRule(ec2.Peer.ipv4("10.20.0.0/16"), ec2.Port.tcp(445), "SMB from VPC");
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sg.addIngressRule(ec2.Peer.ipv4("10.10.0.0/16"), ec2.Port.tcp(8080), "FileBrowser from office VPN");
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sg.addIngressRule(ec2.Peer.ipv4("10.20.0.0/16"), ec2.Port.tcp(8080), "FileBrowser from VPC");
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sg.addIngressRule(ec2.Peer.ipv4("10.10.0.0/16"), ec2.Port.tcp(22), "SFTP from office VPN");
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const role = new iam.Role(this, "InstanceRole", {
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roleName: "file-share-instance",
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assumedBy: new iam.ServicePrincipal("ec2.amazonaws.com"),
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managedPolicies: [
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iam.ManagedPolicy.fromAwsManagedPolicyName("AmazonSSMManagedInstanceCore"),
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],
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});
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role.addToPolicy(new iam.PolicyStatement({
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actions: ["secretsmanager:GetSecretValue"],
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resources: [
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`arn:aws:secretsmanager:us-east-1:328440206208:secret:file-share/*`,
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],
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}));
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const userData = ec2.UserData.forLinux();
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userData.addCommands(
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"set -euxo pipefail",
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"",
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"# ── Data volume (wait for CfnVolumeAttachment) ──",
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"until lsblk -dno NAME | grep -v $(lsblk -no PKNAME $(findmnt -n -o SOURCE /) 2>/dev/null || echo xvda) | grep -q .; do",
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" echo 'Waiting for data volume...'",
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" sleep 5",
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"done",
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"DATA_DEVICE=/dev/$(lsblk -dno NAME | grep -v $(lsblk -no PKNAME $(findmnt -n -o SOURCE /) 2>/dev/null || echo xvda) | head -1)",
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"if ! blkid \"$DATA_DEVICE\"; then",
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" mkfs.ext4 -L file-share-data \"$DATA_DEVICE\"",
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"fi",
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"mkdir -p /data",
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"echo \"LABEL=file-share-data /data ext4 defaults,nofail 0 2\" >> /etc/fstab",
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"mount -a",
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"mkdir -p /data/share",
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"",
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"# ── Samba ──",
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"dnf install -y samba samba-common jq",
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"",
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"useradd --system --no-create-home --shell /sbin/nologin adam || true",
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"chown adam:adam /data/share",
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"",
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"SMB_PASSWORD=$(aws secretsmanager get-secret-value --secret-id file-share/smb-password --query SecretString --output text --region us-east-1)",
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"(echo \"$SMB_PASSWORD\"; echo \"$SMB_PASSWORD\") | smbpasswd -s -a adam",
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"",
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"cat > /etc/samba/smb.conf << 'SMBEOF'",
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"[global]",
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"workgroup = SEAHAVEN",
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"server string = Sea Haven File Share",
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"security = user",
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"map to guest = never",
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"log file = /var/log/samba/log.%m",
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"max log size = 1000",
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"server min protocol = SMB3",
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"",
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"# macOS Finder optimizations",
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"vfs objects = catia fruit streams_xattr",
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"fruit:metadata = stream",
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"fruit:model = MacSamba",
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"fruit:posix_rename = yes",
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"fruit:veto_appledouble = no",
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"fruit:nfs_aces = no",
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"fruit:wipe_intentionally_left_blank_rfork = yes",
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"fruit:delete_empty_adfiles = yes",
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"",
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"[files]",
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"path = /data/share",
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"browseable = yes",
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"writable = yes",
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"valid users = adam",
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"create mask = 0644",
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"directory mask = 0755",
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"SMBEOF",
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"",
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"systemctl enable --now smb nmb",
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"",
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"# ── FileBrowser ──",
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'FB_VERSION=$(curl -sf "https://api.github.com/repos/filebrowser/filebrowser/releases/latest" | jq -r .tag_name)',
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'FB_URL="https://github.com/filebrowser/filebrowser/releases/download/${FB_VERSION}/linux-arm64-filebrowser.tar.gz"',
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"curl -sfL \"$FB_URL\" | tar xz -C /usr/local/bin filebrowser",
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"chmod +x /usr/local/bin/filebrowser",
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"",
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"mkdir -p /etc/filebrowser",
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"FB_PASSWORD=$(aws secretsmanager get-secret-value --secret-id file-share/filebrowser-password --query SecretString --output text --region us-east-1)",
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"",
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"cat > /etc/filebrowser/config.json << FBEOF",
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"{",
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" \"address\": \"0.0.0.0\",",
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" \"port\": 8080,",
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" \"root\": \"/data/share\",",
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" \"database\": \"/etc/filebrowser/filebrowser.db\",",
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" \"log\": \"/var/log/filebrowser.log\"",
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"}",
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"FBEOF",
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"",
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"filebrowser config init --config /etc/filebrowser/config.json",
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"filebrowser users add admin \"$FB_PASSWORD\" --config /etc/filebrowser/config.json --perm.admin",
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"",
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"cat > /etc/systemd/system/filebrowser.service << 'SVCEOF'",
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"[Unit]",
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"Description=FileBrowser",
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"After=network.target",
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"",
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"[Service]",
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"Type=simple",
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"ExecStart=/usr/local/bin/filebrowser --config /etc/filebrowser/config.json",
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"Restart=always",
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"RestartSec=5",
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"",
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"[Install]",
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"WantedBy=multi-user.target",
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"SVCEOF",
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"",
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"systemctl daemon-reload",
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"systemctl enable --now filebrowser",
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"",
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"# ── SFTP access (password auth, same creds as SMB) ──",
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"usermod -s /bin/bash -d /data/share adam",
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"echo \"$SMB_PASSWORD\" | passwd --stdin adam",
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"cat >> /etc/ssh/sshd_config << 'SSHEOF'",
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"",
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"Match User adam",
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" ForceCommand internal-sftp",
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" PasswordAuthentication yes",
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" AllowTcpForwarding no",
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" X11Forwarding no",
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"SSHEOF",
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"systemctl restart sshd",
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);
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const instance = new ec2.Instance(this, "Instance", {
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instanceName: "file-share",
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vpc,
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vpcSubnets: { subnets: [privateSubnet1] },
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instanceType: ec2.InstanceType.of(ec2.InstanceClass.T4G, ec2.InstanceSize.SMALL),
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machineImage: ec2.MachineImage.latestAmazonLinux2023({
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cpuType: ec2.AmazonLinuxCpuType.ARM_64,
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// Cache the resolved AMI in cdk.context.json so deploys don't pick up
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// new AL2023 releases implicitly (AMI change forces instance replacement).
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// Refresh deliberately with: cdk context --reset <ami key> && cdk synth
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cachedInContext: true,
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}),
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securityGroup: sg,
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role,
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userData,
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blockDevices: [
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{
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deviceName: "/dev/xvda",
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volume: ec2.BlockDeviceVolume.ebs(20, {
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volumeType: ec2.EbsDeviceVolumeType.GP3,
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encrypted: true,
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}),
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},
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],
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});
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cdk.Tags.of(instance).add("file-share-backup", "true");
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// The data volume is deliberately UNMANAGED (imported by ID): CloudFormation
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// can attach it but can never create, replace, or delete it. The volume
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// survives any instance replacement. Created 2026-05-27; holds /data/share.
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// Tags (Name, file-share-backup for DLM) are set directly on the volume.
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const dataVolume = ec2.Volume.fromVolumeAttributes(this, "DataVolume", {
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volumeId: "vol-04d951cccacc435b5",
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availabilityZone: "us-east-1a",
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});
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new ec2.CfnVolumeAttachment(this, "DataVolumeAttachment", {
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instanceId: instance.instanceId,
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volumeId: dataVolume.volumeId,
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device: "/dev/xvdf",
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});
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const dlmRole = new iam.Role(this, "DlmRole", {
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roleName: "file-share-dlm",
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assumedBy: new iam.ServicePrincipal("dlm.amazonaws.com"),
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managedPolicies: [
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iam.ManagedPolicy.fromAwsManagedPolicyName(
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"service-role/AWSDataLifecycleManagerServiceRole"
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),
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],
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});
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new dlm.CfnLifecyclePolicy(this, "SnapshotPolicy", {
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description: "Nightly EBS snapshots for file share data volume",
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state: "ENABLED",
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executionRoleArn: dlmRole.roleArn,
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policyDetails: {
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resourceTypes: ["INSTANCE"],
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targetTags: [{ key: "file-share-backup", value: "true" }],
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schedules: [{
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name: "file-share-nightly",
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createRule: { interval: 24, intervalUnit: "HOURS", times: ["06:00"] },
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retainRule: { count: 30 },
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// copyTags already propagates file-share-backup=true from the volume to each
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// snapshot; an explicit tagsToAdd of the same key triggers DLM's duplicate-tag
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// error ("Tag file-share-backup is already defined") and puts the policy in ERROR.
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copyTags: true,
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}],
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},
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});
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new cdk.CfnOutput(this, "InstanceId", {
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value: instance.instanceId,
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});
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new cdk.CfnOutput(this, "PrivateIp", {
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value: instance.instancePrivateIp,
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description: "SMB (smb://<ip>/files), FileBrowser (http://<ip>:8080), SFTP (sftp://<ip>)",
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});
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}
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}
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