Line data Source code
1 : //! This program dumps a remote Postgres database into a local Postgres database
2 : //! and uploads the resulting PGDATA into object storage for import into a Timeline.
3 : //!
4 : //! # Context, Architecture, Design
5 : //!
6 : //! See cloud.git Fast Imports RFC (<https://github.com/neondatabase/cloud/pull/19799>)
7 : //! for the full picture.
8 : //! The RFC describing the storage pieces of importing the PGDATA dump into a Timeline
9 : //! is publicly accessible at <https://github.com/neondatabase/neon/pull/9538>.
10 : //!
11 : //! # This is a Prototype!
12 : //!
13 : //! This program is part of a prototype feature and not yet used in production.
14 : //!
15 : //! The cloud.git RFC contains lots of suggestions for improving e2e throughput
16 : //! of this step of the timeline import process.
17 : //!
18 : //! # Local Testing
19 : //!
20 : //! - Comment out most of the pgxns in compute-node.Dockerfile to speed up the build.
21 : //! - Build the image with the following command:
22 : //!
23 : //! ```bash
24 : //! docker buildx build --platform linux/amd64 --build-arg DEBIAN_VERSION=bullseye --build-arg GIT_VERSION=local --build-arg PG_VERSION=v14 --build-arg BUILD_TAG="$(date --iso-8601=s -u)" -t localhost:3030/localregistry/compute-node-v14:latest -f compute/compute-node.Dockerfile .
25 : //! docker push localhost:3030/localregistry/compute-node-v14:latest
26 : //! ```
27 :
28 : use anyhow::{bail, Context};
29 : use aws_config::BehaviorVersion;
30 : use camino::{Utf8Path, Utf8PathBuf};
31 : use clap::{Parser, Subcommand};
32 : use compute_tools::extension_server::{get_pg_version, PostgresMajorVersion};
33 : use nix::unistd::Pid;
34 : use tracing::{error, info, info_span, warn, Instrument};
35 : use utils::fs_ext::is_directory_empty;
36 :
37 : #[path = "fast_import/aws_s3_sync.rs"]
38 : mod aws_s3_sync;
39 : #[path = "fast_import/child_stdio_to_log.rs"]
40 : mod child_stdio_to_log;
41 : #[path = "fast_import/s3_uri.rs"]
42 : mod s3_uri;
43 :
44 : const PG_WAIT_TIMEOUT: std::time::Duration = std::time::Duration::from_secs(600);
45 : const PG_WAIT_RETRY_INTERVAL: std::time::Duration = std::time::Duration::from_millis(300);
46 :
47 : #[derive(Subcommand, Debug)]
48 : enum Command {
49 : /// Runs local postgres (neon binary), restores into it,
50 : /// uploads pgdata to s3 to be consumed by pageservers
51 : Pgdata {
52 : /// Raw connection string to the source database. Used only in tests,
53 : /// real scenario uses encrypted connection string in spec.json from s3.
54 : #[clap(long)]
55 : source_connection_string: Option<String>,
56 : /// If specified, will not shut down the local postgres after the import. Used in local testing
57 : #[clap(short, long)]
58 0 : interactive: bool,
59 : /// Port to run postgres on. Default is 5432.
60 0 : #[clap(long, default_value_t = 5432)]
61 0 : pg_port: u16, // port to run postgres on, 5432 is default
62 :
63 : /// Number of CPUs in the system. This is used to configure # of
64 : /// parallel worker processes, for index creation.
65 : #[clap(long, env = "NEON_IMPORTER_NUM_CPUS")]
66 : num_cpus: Option<usize>,
67 :
68 : /// Amount of RAM in the system. This is used to configure shared_buffers
69 : /// and maintenance_work_mem.
70 : #[clap(long, env = "NEON_IMPORTER_MEMORY_MB")]
71 : memory_mb: Option<usize>,
72 : },
73 :
74 : /// Runs pg_dump-pg_restore from source to destination without running local postgres.
75 : DumpRestore {
76 : /// Raw connection string to the source database. Used only in tests,
77 : /// real scenario uses encrypted connection string in spec.json from s3.
78 : #[clap(long)]
79 : source_connection_string: Option<String>,
80 : /// Raw connection string to the destination database. Used only in tests,
81 : /// real scenario uses encrypted connection string in spec.json from s3.
82 : #[clap(long)]
83 : destination_connection_string: Option<String>,
84 : },
85 : }
86 :
87 : #[derive(clap::Parser)]
88 : struct Args {
89 : #[clap(long, env = "NEON_IMPORTER_WORKDIR")]
90 0 : working_directory: Utf8PathBuf,
91 : #[clap(long, env = "NEON_IMPORTER_S3_PREFIX")]
92 : s3_prefix: Option<s3_uri::S3Uri>,
93 : #[clap(long, env = "NEON_IMPORTER_PG_BIN_DIR")]
94 0 : pg_bin_dir: Utf8PathBuf,
95 : #[clap(long, env = "NEON_IMPORTER_PG_LIB_DIR")]
96 0 : pg_lib_dir: Utf8PathBuf,
97 :
98 : #[clap(subcommand)]
99 : command: Command,
100 : }
101 :
102 : #[serde_with::serde_as]
103 0 : #[derive(serde::Deserialize)]
104 : struct Spec {
105 : encryption_secret: EncryptionSecret,
106 : #[serde_as(as = "serde_with::base64::Base64")]
107 : source_connstring_ciphertext_base64: Vec<u8>,
108 : #[serde_as(as = "Option<serde_with::base64::Base64>")]
109 : destination_connstring_ciphertext_base64: Option<Vec<u8>>,
110 : }
111 :
112 0 : #[derive(serde::Deserialize)]
113 : enum EncryptionSecret {
114 : #[allow(clippy::upper_case_acronyms)]
115 : KMS { key_id: String },
116 : }
117 :
118 : // copied from pageserver_api::config::defaults::DEFAULT_LOCALE to avoid dependency just for a constant
119 : const DEFAULT_LOCALE: &str = if cfg!(target_os = "macos") {
120 : "C"
121 : } else {
122 : "C.UTF-8"
123 : };
124 :
125 0 : async fn decode_connstring(
126 0 : kms_client: &aws_sdk_kms::Client,
127 0 : key_id: &String,
128 0 : connstring_ciphertext_base64: Vec<u8>,
129 0 : ) -> Result<String, anyhow::Error> {
130 0 : let mut output = kms_client
131 0 : .decrypt()
132 0 : .key_id(key_id)
133 0 : .ciphertext_blob(aws_sdk_s3::primitives::Blob::new(
134 0 : connstring_ciphertext_base64,
135 0 : ))
136 0 : .send()
137 0 : .await
138 0 : .context("decrypt connection string")?;
139 :
140 0 : let plaintext = output
141 0 : .plaintext
142 0 : .take()
143 0 : .context("get plaintext connection string")?;
144 :
145 0 : String::from_utf8(plaintext.into_inner()).context("parse connection string as utf8")
146 0 : }
147 :
148 : struct PostgresProcess {
149 : pgdata_dir: Utf8PathBuf,
150 : pg_bin_dir: Utf8PathBuf,
151 : pgbin: Utf8PathBuf,
152 : pg_lib_dir: Utf8PathBuf,
153 : postgres_proc: Option<tokio::process::Child>,
154 : }
155 :
156 : impl PostgresProcess {
157 0 : fn new(pgdata_dir: Utf8PathBuf, pg_bin_dir: Utf8PathBuf, pg_lib_dir: Utf8PathBuf) -> Self {
158 0 : Self {
159 0 : pgdata_dir,
160 0 : pgbin: pg_bin_dir.join("postgres"),
161 0 : pg_bin_dir,
162 0 : pg_lib_dir,
163 0 : postgres_proc: None,
164 0 : }
165 0 : }
166 :
167 0 : async fn prepare(&self, initdb_user: &str) -> Result<(), anyhow::Error> {
168 0 : tokio::fs::create_dir(&self.pgdata_dir)
169 0 : .await
170 0 : .context("create pgdata directory")?;
171 :
172 0 : let pg_version = match get_pg_version(self.pgbin.as_ref()) {
173 0 : PostgresMajorVersion::V14 => 14,
174 0 : PostgresMajorVersion::V15 => 15,
175 0 : PostgresMajorVersion::V16 => 16,
176 0 : PostgresMajorVersion::V17 => 17,
177 : };
178 0 : postgres_initdb::do_run_initdb(postgres_initdb::RunInitdbArgs {
179 0 : superuser: initdb_user,
180 0 : locale: DEFAULT_LOCALE, // XXX: this shouldn't be hard-coded,
181 0 : pg_version,
182 0 : initdb_bin: self.pg_bin_dir.join("initdb").as_ref(),
183 0 : library_search_path: &self.pg_lib_dir, // TODO: is this right? Prob works in compute image, not sure about neon_local.
184 0 : pgdata: &self.pgdata_dir,
185 0 : })
186 0 : .await
187 0 : .context("initdb")
188 0 : }
189 :
190 0 : async fn start(
191 0 : &mut self,
192 0 : initdb_user: &str,
193 0 : port: u16,
194 0 : nproc: usize,
195 0 : memory_mb: usize,
196 0 : ) -> Result<&tokio::process::Child, anyhow::Error> {
197 0 : self.prepare(initdb_user).await?;
198 :
199 : // Somewhat arbitrarily, use 10 % of memory for shared buffer cache, 70% for
200 : // maintenance_work_mem (i.e. for sorting during index creation), and leave the rest
201 : // available for misc other stuff that PostgreSQL uses memory for.
202 0 : let shared_buffers_mb = ((memory_mb as f32) * 0.10) as usize;
203 0 : let maintenance_work_mem_mb = ((memory_mb as f32) * 0.70) as usize;
204 :
205 : //
206 : // Launch postgres process
207 : //
208 0 : let mut proc = tokio::process::Command::new(&self.pgbin)
209 0 : .arg("-D")
210 0 : .arg(&self.pgdata_dir)
211 0 : .args(["-p", &format!("{port}")])
212 0 : .args(["-c", "wal_level=minimal"])
213 0 : .args(["-c", &format!("shared_buffers={shared_buffers_mb}MB")])
214 0 : .args(["-c", "shared_buffers=10GB"])
215 0 : .args(["-c", "max_wal_senders=0"])
216 0 : .args(["-c", "fsync=off"])
217 0 : .args(["-c", "full_page_writes=off"])
218 0 : .args(["-c", "synchronous_commit=off"])
219 0 : .args([
220 0 : "-c",
221 0 : &format!("maintenance_work_mem={maintenance_work_mem_mb}MB"),
222 0 : ])
223 0 : .args(["-c", &format!("max_parallel_maintenance_workers={nproc}")])
224 0 : .args(["-c", &format!("max_parallel_workers={nproc}")])
225 0 : .args(["-c", &format!("max_parallel_workers_per_gather={nproc}")])
226 0 : .args(["-c", &format!("max_worker_processes={nproc}")])
227 0 : .args(["-c", "effective_io_concurrency=100"])
228 0 : .env_clear()
229 0 : .env("LD_LIBRARY_PATH", &self.pg_lib_dir)
230 0 : .env(
231 0 : "ASAN_OPTIONS",
232 0 : std::env::var("ASAN_OPTIONS").unwrap_or_default(),
233 0 : )
234 0 : .env(
235 0 : "UBSAN_OPTIONS",
236 0 : std::env::var("UBSAN_OPTIONS").unwrap_or_default(),
237 0 : )
238 0 : .stdout(std::process::Stdio::piped())
239 0 : .stderr(std::process::Stdio::piped())
240 0 : .spawn()
241 0 : .context("spawn postgres")?;
242 :
243 0 : info!("spawned postgres, waiting for it to become ready");
244 : tokio::spawn(
245 0 : child_stdio_to_log::relay_process_output(proc.stdout.take(), proc.stderr.take())
246 0 : .instrument(info_span!("postgres")),
247 : );
248 :
249 0 : self.postgres_proc = Some(proc);
250 0 : Ok(self.postgres_proc.as_ref().unwrap())
251 0 : }
252 :
253 0 : async fn shutdown(&mut self) -> Result<(), anyhow::Error> {
254 0 : let proc: &mut tokio::process::Child = self.postgres_proc.as_mut().unwrap();
255 0 : info!("shutdown postgres");
256 0 : nix::sys::signal::kill(
257 0 : Pid::from_raw(i32::try_from(proc.id().unwrap()).expect("convert child pid to i32")),
258 0 : nix::sys::signal::SIGTERM,
259 0 : )
260 0 : .context("signal postgres to shut down")?;
261 0 : proc.wait()
262 0 : .await
263 0 : .context("wait for postgres to shut down")
264 0 : .map(|_| ())
265 0 : }
266 : }
267 :
268 0 : async fn wait_until_ready(connstring: String, create_dbname: String) {
269 0 : // Create neondb database in the running postgres
270 0 : let start_time = std::time::Instant::now();
271 :
272 : loop {
273 0 : if start_time.elapsed() > PG_WAIT_TIMEOUT {
274 0 : error!(
275 0 : "timeout exceeded: failed to poll postgres and create database within 10 minutes"
276 : );
277 0 : std::process::exit(1);
278 0 : }
279 0 :
280 0 : match tokio_postgres::connect(
281 0 : &connstring.replace("dbname=neondb", "dbname=postgres"),
282 0 : tokio_postgres::NoTls,
283 0 : )
284 0 : .await
285 : {
286 0 : Ok((client, connection)) => {
287 0 : // Spawn the connection handling task to maintain the connection
288 0 : tokio::spawn(async move {
289 0 : if let Err(e) = connection.await {
290 0 : warn!("connection error: {}", e);
291 0 : }
292 0 : });
293 0 :
294 0 : match client
295 0 : .simple_query(format!("CREATE DATABASE {create_dbname};").as_str())
296 0 : .await
297 : {
298 : Ok(_) => {
299 0 : info!("created {} database", create_dbname);
300 0 : break;
301 : }
302 0 : Err(e) => {
303 0 : warn!(
304 0 : "failed to create database: {}, retying in {}s",
305 0 : e,
306 0 : PG_WAIT_RETRY_INTERVAL.as_secs_f32()
307 : );
308 0 : tokio::time::sleep(PG_WAIT_RETRY_INTERVAL).await;
309 0 : continue;
310 : }
311 : }
312 : }
313 : Err(_) => {
314 0 : info!(
315 0 : "postgres not ready yet, retrying in {}s",
316 0 : PG_WAIT_RETRY_INTERVAL.as_secs_f32()
317 : );
318 0 : tokio::time::sleep(PG_WAIT_RETRY_INTERVAL).await;
319 0 : continue;
320 : }
321 : }
322 : }
323 0 : }
324 :
325 0 : async fn run_dump_restore(
326 0 : workdir: Utf8PathBuf,
327 0 : pg_bin_dir: Utf8PathBuf,
328 0 : pg_lib_dir: Utf8PathBuf,
329 0 : source_connstring: String,
330 0 : destination_connstring: String,
331 0 : ) -> Result<(), anyhow::Error> {
332 0 : let dumpdir = workdir.join("dumpdir");
333 0 :
334 0 : let common_args = [
335 0 : // schema mapping (prob suffices to specify them on one side)
336 0 : "--no-owner".to_string(),
337 0 : "--no-privileges".to_string(),
338 0 : "--no-publications".to_string(),
339 0 : "--no-security-labels".to_string(),
340 0 : "--no-subscriptions".to_string(),
341 0 : "--no-tablespaces".to_string(),
342 0 : // format
343 0 : "--format".to_string(),
344 0 : "directory".to_string(),
345 0 : // concurrency
346 0 : "--jobs".to_string(),
347 0 : num_cpus::get().to_string(),
348 0 : // progress updates
349 0 : "--verbose".to_string(),
350 0 : ];
351 0 :
352 0 : info!("dump into the working directory");
353 : {
354 0 : let mut pg_dump = tokio::process::Command::new(pg_bin_dir.join("pg_dump"))
355 0 : .args(&common_args)
356 0 : .arg("-f")
357 0 : .arg(&dumpdir)
358 0 : .arg("--no-sync")
359 0 : // POSITIONAL args
360 0 : // source db (db name included in connection string)
361 0 : .arg(&source_connstring)
362 0 : // how we run it
363 0 : .env_clear()
364 0 : .env("LD_LIBRARY_PATH", &pg_lib_dir)
365 0 : .kill_on_drop(true)
366 0 : .stdout(std::process::Stdio::piped())
367 0 : .stderr(std::process::Stdio::piped())
368 0 : .spawn()
369 0 : .context("spawn pg_dump")?;
370 :
371 0 : info!(pid=%pg_dump.id().unwrap(), "spawned pg_dump");
372 :
373 : tokio::spawn(
374 0 : child_stdio_to_log::relay_process_output(pg_dump.stdout.take(), pg_dump.stderr.take())
375 0 : .instrument(info_span!("pg_dump")),
376 : );
377 :
378 0 : let st = pg_dump.wait().await.context("wait for pg_dump")?;
379 0 : info!(status=?st, "pg_dump exited");
380 0 : if !st.success() {
381 0 : error!(status=%st, "pg_dump failed, restore will likely fail as well");
382 0 : bail!("pg_dump failed");
383 0 : }
384 : }
385 :
386 : // TODO: maybe do it in a streaming way, plenty of internal research done on this already
387 : // TODO: do the unlogged table trick
388 : {
389 0 : let mut pg_restore = tokio::process::Command::new(pg_bin_dir.join("pg_restore"))
390 0 : .args(&common_args)
391 0 : .arg("-d")
392 0 : .arg(&destination_connstring)
393 0 : // POSITIONAL args
394 0 : .arg(&dumpdir)
395 0 : // how we run it
396 0 : .env_clear()
397 0 : .env("LD_LIBRARY_PATH", &pg_lib_dir)
398 0 : .kill_on_drop(true)
399 0 : .stdout(std::process::Stdio::piped())
400 0 : .stderr(std::process::Stdio::piped())
401 0 : .spawn()
402 0 : .context("spawn pg_restore")?;
403 :
404 0 : info!(pid=%pg_restore.id().unwrap(), "spawned pg_restore");
405 : tokio::spawn(
406 0 : child_stdio_to_log::relay_process_output(
407 0 : pg_restore.stdout.take(),
408 0 : pg_restore.stderr.take(),
409 0 : )
410 0 : .instrument(info_span!("pg_restore")),
411 : );
412 0 : let st = pg_restore.wait().await.context("wait for pg_restore")?;
413 0 : info!(status=?st, "pg_restore exited");
414 0 : if !st.success() {
415 0 : error!(status=%st, "pg_restore failed, restore will likely fail as well");
416 0 : bail!("pg_restore failed");
417 0 : }
418 0 : }
419 0 :
420 0 : Ok(())
421 0 : }
422 :
423 : #[allow(clippy::too_many_arguments)]
424 0 : async fn cmd_pgdata(
425 0 : kms_client: Option<aws_sdk_kms::Client>,
426 0 : maybe_s3_prefix: Option<s3_uri::S3Uri>,
427 0 : maybe_spec: Option<Spec>,
428 0 : source_connection_string: Option<String>,
429 0 : interactive: bool,
430 0 : pg_port: u16,
431 0 : workdir: Utf8PathBuf,
432 0 : pg_bin_dir: Utf8PathBuf,
433 0 : pg_lib_dir: Utf8PathBuf,
434 0 : num_cpus: Option<usize>,
435 0 : memory_mb: Option<usize>,
436 0 : ) -> Result<(), anyhow::Error> {
437 0 : if maybe_spec.is_none() && source_connection_string.is_none() {
438 0 : bail!("spec must be provided for pgdata command");
439 0 : }
440 0 : if maybe_spec.is_some() && source_connection_string.is_some() {
441 0 : bail!("only one of spec or source_connection_string can be provided");
442 0 : }
443 :
444 0 : let source_connection_string = if let Some(spec) = maybe_spec {
445 0 : match spec.encryption_secret {
446 0 : EncryptionSecret::KMS { key_id } => {
447 0 : decode_connstring(
448 0 : kms_client.as_ref().unwrap(),
449 0 : &key_id,
450 0 : spec.source_connstring_ciphertext_base64,
451 0 : )
452 0 : .await?
453 : }
454 : }
455 : } else {
456 0 : source_connection_string.unwrap()
457 : };
458 :
459 0 : let superuser = "cloud_admin";
460 0 : let destination_connstring = format!(
461 0 : "host=localhost port={} user={} dbname=neondb",
462 0 : pg_port, superuser
463 0 : );
464 0 :
465 0 : let pgdata_dir = workdir.join("pgdata");
466 0 : let mut proc = PostgresProcess::new(pgdata_dir.clone(), pg_bin_dir.clone(), pg_lib_dir.clone());
467 0 : let nproc = num_cpus.unwrap_or_else(num_cpus::get);
468 0 : let memory_mb = memory_mb.unwrap_or(256);
469 0 : proc.start(superuser, pg_port, nproc, memory_mb).await?;
470 0 : wait_until_ready(destination_connstring.clone(), "neondb".to_string()).await;
471 :
472 0 : run_dump_restore(
473 0 : workdir.clone(),
474 0 : pg_bin_dir,
475 0 : pg_lib_dir,
476 0 : source_connection_string,
477 0 : destination_connstring,
478 0 : )
479 0 : .await?;
480 :
481 : // If interactive mode, wait for Ctrl+C
482 0 : if interactive {
483 0 : info!("Running in interactive mode. Press Ctrl+C to shut down.");
484 0 : tokio::signal::ctrl_c().await.context("wait for ctrl-c")?;
485 0 : }
486 :
487 0 : proc.shutdown().await?;
488 :
489 : // Only sync if s3_prefix was specified
490 0 : if let Some(s3_prefix) = maybe_s3_prefix {
491 0 : info!("upload pgdata");
492 0 : aws_s3_sync::sync(Utf8Path::new(&pgdata_dir), &s3_prefix.append("/pgdata/"))
493 0 : .await
494 0 : .context("sync dump directory to destination")?;
495 :
496 0 : info!("write status");
497 : {
498 0 : let status_dir = workdir.join("status");
499 0 : std::fs::create_dir(&status_dir).context("create status directory")?;
500 0 : let status_file = status_dir.join("pgdata");
501 0 : std::fs::write(&status_file, serde_json::json!({"done": true}).to_string())
502 0 : .context("write status file")?;
503 0 : aws_s3_sync::sync(&status_dir, &s3_prefix.append("/status/"))
504 0 : .await
505 0 : .context("sync status directory to destination")?;
506 : }
507 0 : }
508 :
509 0 : Ok(())
510 0 : }
511 :
512 0 : async fn cmd_dumprestore(
513 0 : kms_client: Option<aws_sdk_kms::Client>,
514 0 : maybe_spec: Option<Spec>,
515 0 : source_connection_string: Option<String>,
516 0 : destination_connection_string: Option<String>,
517 0 : workdir: Utf8PathBuf,
518 0 : pg_bin_dir: Utf8PathBuf,
519 0 : pg_lib_dir: Utf8PathBuf,
520 0 : ) -> Result<(), anyhow::Error> {
521 0 : let (source_connstring, destination_connstring) = if let Some(spec) = maybe_spec {
522 0 : match spec.encryption_secret {
523 0 : EncryptionSecret::KMS { key_id } => {
524 0 : let source = decode_connstring(
525 0 : kms_client.as_ref().unwrap(),
526 0 : &key_id,
527 0 : spec.source_connstring_ciphertext_base64,
528 0 : )
529 0 : .await?;
530 :
531 0 : let dest = if let Some(dest_ciphertext) =
532 0 : spec.destination_connstring_ciphertext_base64
533 : {
534 0 : decode_connstring(kms_client.as_ref().unwrap(), &key_id, dest_ciphertext)
535 0 : .await?
536 : } else {
537 0 : bail!("destination connection string must be provided in spec for dump_restore command");
538 : };
539 :
540 0 : (source, dest)
541 : }
542 : }
543 : } else {
544 : (
545 0 : source_connection_string.unwrap(),
546 0 : if let Some(val) = destination_connection_string {
547 0 : val
548 : } else {
549 0 : bail!("destination connection string must be provided for dump_restore command");
550 : },
551 : )
552 : };
553 :
554 0 : run_dump_restore(
555 0 : workdir,
556 0 : pg_bin_dir,
557 0 : pg_lib_dir,
558 0 : source_connstring,
559 0 : destination_connstring,
560 0 : )
561 0 : .await
562 0 : }
563 :
564 : #[tokio::main]
565 0 : pub(crate) async fn main() -> anyhow::Result<()> {
566 0 : utils::logging::init(
567 0 : utils::logging::LogFormat::Json,
568 0 : utils::logging::TracingErrorLayerEnablement::EnableWithRustLogFilter,
569 0 : utils::logging::Output::Stdout,
570 0 : )?;
571 0 :
572 0 : info!("starting");
573 0 :
574 0 : let args = Args::parse();
575 0 :
576 0 : // Initialize AWS clients only if s3_prefix is specified
577 0 : let (aws_config, kms_client) = if args.s3_prefix.is_some() {
578 0 : let config = aws_config::load_defaults(BehaviorVersion::v2024_03_28()).await;
579 0 : let kms = aws_sdk_kms::Client::new(&config);
580 0 : (Some(config), Some(kms))
581 0 : } else {
582 0 : (None, None)
583 0 : };
584 0 :
585 0 : let spec: Option<Spec> = if let Some(s3_prefix) = &args.s3_prefix {
586 0 : let spec_key = s3_prefix.append("/spec.json");
587 0 : let s3_client = aws_sdk_s3::Client::new(aws_config.as_ref().unwrap());
588 0 : let object = s3_client
589 0 : .get_object()
590 0 : .bucket(&spec_key.bucket)
591 0 : .key(spec_key.key)
592 0 : .send()
593 0 : .await
594 0 : .context("get spec from s3")?
595 0 : .body
596 0 : .collect()
597 0 : .await
598 0 : .context("download spec body")?;
599 0 : serde_json::from_slice(&object.into_bytes()).context("parse spec as json")?
600 0 : } else {
601 0 : None
602 0 : };
603 0 :
604 0 : match tokio::fs::create_dir(&args.working_directory).await {
605 0 : Ok(()) => {}
606 0 : Err(e) if e.kind() == std::io::ErrorKind::AlreadyExists => {
607 0 : if !is_directory_empty(&args.working_directory)
608 0 : .await
609 0 : .context("check if working directory is empty")?
610 0 : {
611 0 : bail!("working directory is not empty");
612 0 : } else {
613 0 : // ok
614 0 : }
615 0 : }
616 0 : Err(e) => return Err(anyhow::Error::new(e).context("create working directory")),
617 0 : }
618 0 :
619 0 : match args.command {
620 0 : Command::Pgdata {
621 0 : source_connection_string,
622 0 : interactive,
623 0 : pg_port,
624 0 : num_cpus,
625 0 : memory_mb,
626 0 : } => {
627 0 : cmd_pgdata(
628 0 : kms_client,
629 0 : args.s3_prefix,
630 0 : spec,
631 0 : source_connection_string,
632 0 : interactive,
633 0 : pg_port,
634 0 : args.working_directory,
635 0 : args.pg_bin_dir,
636 0 : args.pg_lib_dir,
637 0 : num_cpus,
638 0 : memory_mb,
639 0 : )
640 0 : .await?;
641 0 : }
642 0 : Command::DumpRestore {
643 0 : source_connection_string,
644 0 : destination_connection_string,
645 0 : } => {
646 0 : cmd_dumprestore(
647 0 : kms_client,
648 0 : spec,
649 0 : source_connection_string,
650 0 : destination_connection_string,
651 0 : args.working_directory,
652 0 : args.pg_bin_dir,
653 0 : args.pg_lib_dir,
654 0 : )
655 0 : .await?;
656 0 : }
657 0 : }
658 0 :
659 0 : Ok(())
660 0 : }
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