p0cli: scp: Using the SCP command to connect to file storage

Overview

The p0 scp command is a drop-in replacement for the standard scp, but with one key advantage: it automatically requests and provisions SSH access via P0. You simply specify your source and destination (local or remote), and P0 handles:

1. Authentication and ephemeral key issuance

2. Access requests against your SSH integration

3. Privilege elevation (optional --sudo)

4. Invocation of the underlying scp binary

Use p0 scp anytime you’d otherwise run scp—no need to juggle SSH keys, open tickets, or paste connection strings.

Prerequisites

• Logged in

p0 login <org-slug>

• SSH integration configured in your P0 tenant (AWS, Azure, or GCP).

• Network access to P0’s API and to the target host over SSH.

Syntax

p0 scp <source> <destination> [P0-options] [-- SCP-ARGS…]

• <source> / <destination>

  Either a local path (./file.txt) or remote in the format <hostname>:<path>. Exactly one must be remote.

• P0-options (before --):

  • -r, --recursive

  • --reason <text>

  • --account <account-id>

  • --provider <aws|azure|gcloud>

  • --sudo

  • --debug

• --Separator: everything after -- is passed verbatim to the underlying scp binary.

• SCP-ARGS (after --): all standard scp flags (e.g. -P 2222, -C, etc.)

Positional Arguments

Note: Exactly one of source or destination must specify a remote host (via <hostname>:). If both or neither do, the command will fail.

P0-Specific Options

Underlying SCP Options

After --, pass any flags supported by your system’s scp. Common examples:

• -P 2222 to specify a non-default SSH port

• -C to enable compression

• -i /path/to/key (not needed – P0 provides the key)

p0 scp -r ./dir remote-host:/dest/ -- -P 2222 -C

How It Works

1. Parse arguments, split P0 flags vs. scp flags at --.

2. Authenticate via p0 authenticate().

3. Determine remote host: exactly one of source or destination must match <host>:.

4. Request SSH access: calls P0 backend, which spins up a short-lived key and (if --sudo) updates sudoers.

5. Swap hostnames: replaces <hostname> with <linuxUserName>@<instanceId>.

6. Executes the local scp binary with your flags and the fetched private key.

Examples

1. Copy a File from Local to Remote

p0 scp ./report.pdf prod-web-01:/var/www/reports/

• Implicitly targets host prod-web-01.

• Downloads a P0-issued key, performs scp report.pdf ubuntu@i-0abc123:/var/www/reports/.

2. Copy a File from Remote to Local

p0 scp prod-db-server:/var/backups/db.sql ./db.sql

• Retrieves /var/backups/db.sql from prod-db-server into your current directory.

3. Recursive Directory Copy

p0 scp -r ./configs staging-app-01:/etc/myapp/

• Recursively transfers the local configs/ directory.

4. Specify Cloud Provider & Account

p0 scp ./deploy.sh azure-vm:/home/azureuser/ \
    --provider azure --account sub-12345678

• Directs P0 to use your Azure integration on subscription sub-12345678.

5. Grant sudo During Transfer

p0 scp --sudo ./upgrade.sh prod-web-01:/tmp/ --reason "Patch deploy"

• Adds you to sudoers on prod-web-01 before running scp, so remote file ownerships and permissions can be managed.

6. Pass Custom SCP Arguments

p0 scp ./archive.tar.gz bastion-host:/tmp/ \
    -- -P 2222 -C

• Uses port 2222 and compression (-C) on the underlying scp call.

7. Debugging the Provisioning Flow

p0 scp --debug ./file.txt remote-host:/tmp/

• Prints API calls, SSH key details, and status messages to stderr.

Error Conditions

• Both sides remote or both local

  Exactly one host (source or destination) must be remote.

  Fix: prefix only one argument with <hostname>:.

• Azure + custom port

  Azure SSH does not currently support specifying a port…

  Azure integration only works over default port 22.

• Could not determine host

  Could not determine host identifier…

  Ensure your <hostname>: syntax is correct (no spaces, exactly one colon).

Tips & Best Practices

• Omit -i: P0 handles SSH keys for you.

• Use --reason for audit trails.

• Combine with scp flags via -- for full flexibility.

• For one-off copies in scripts, add --debug to catch provisioning delays.

With p0 scp, securely and seamlessly copy files without manual SSH setup—just like your favorite scp, but powered by P0’s access workflows.