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|
use std::fmt::Display;
use std::path::PathBuf;
use std::process::Command;
use clap_v3 as clap;
use anyhow::Context;
use anyhow::Error;
use anyhow::Result;
use anyhow::anyhow;
use clap::ArgMatches;
use diesel::RunQueryDsl;
use itertools::Itertools;
use crate::db::DbConnectionConfig;
use crate::db::models;
pub fn db(db_connection_config: DbConnectionConfig, matches: &ArgMatches) -> Result<()> {
match matches.subcommand() {
("cli", Some(matches)) => cli(db_connection_config, matches),
("artifacts", Some(matches)) => artifacts(db_connection_config, matches),
("envvars", Some(matches)) => envvars(db_connection_config, matches),
("images", Some(matches)) => images(db_connection_config, matches),
(other, _) => return Err(anyhow!("Unknown subcommand: {}", other)),
}
}
fn cli(db_connection_config: DbConnectionConfig, matches: &ArgMatches) -> Result<()> {
trait PgCliCommand {
fn run_for_uri(&self, dbcc: DbConnectionConfig) -> Result<()>;
}
struct Psql(PathBuf);
impl PgCliCommand for Psql {
fn run_for_uri(&self, dbcc: DbConnectionConfig) -> Result<()> {
Command::new(&self.0)
.arg(format!("--dbname={}", dbcc.database_name()))
.arg(format!("--host={}", dbcc.database_host()))
.arg(format!("--port={}", dbcc.database_port()))
.arg(format!("--username={}", dbcc.database_user()))
.stdin(std::process::Stdio::inherit())
.stdout(std::process::Stdio::inherit())
.stderr(std::process::Stdio::inherit())
.output()
.map_err(Error::from)
.and_then(|out| {
if out.status.success() {
info!("pgcli exited successfully");
Ok(())
} else {
Err(anyhow!("gpcli did not exit successfully"))
.with_context(|| {
match String::from_utf8(out.stderr) {
Ok(log) => anyhow!("{}", log),
Err(e) => anyhow!("Cannot parse log into valid UTF-8: {}", e),
}
})
.map_err(Error::from)
}
})
}
}
struct PgCli(PathBuf);
impl PgCliCommand for PgCli {
fn run_for_uri(&self, dbcc: DbConnectionConfig) -> Result<()> {
Command::new(&self.0)
.arg("--host")
.arg(dbcc.database_host())
.arg("--port")
.arg(dbcc.database_port())
.arg("--username")
.arg(dbcc.database_user())
.arg(dbcc.database_name())
.stdin(std::process::Stdio::inherit())
.stdout(std::process::Stdio::inherit())
.stderr(std::process::Stdio::inherit())
.output()
.map_err(Error::from)
.and_then(|out| {
if out.status.success() {
info!("pgcli exited successfully");
Ok(())
} else {
Err(anyhow!("gpcli did not exit successfully"))
.with_context(|| {
match String::from_utf8(out.stderr) {
Ok(log) => anyhow!("{}", log),
Err(e) => anyhow!("Cannot parse log into valid UTF-8: {}", e),
}
})
.map_err(Error::from)
}
})
}
}
matches.value_of("tool")
.map(|s| vec![s])
.unwrap_or_else(|| vec!["psql", "pgcli"])
.into_iter()
.filter_map(|s| which::which(&s).ok().map(|path| (path, s)))
.map(|(path, s)| {
match s {
"psql" => Ok(Box::new(Psql(path)) as Box<dyn PgCliCommand>),
"pgcli" => Ok(Box::new(PgCli(path)) as Box<dyn PgCliCommand>),
prog => Err(anyhow!("Unsupported pg CLI program: {}", prog)),
}
})
.next()
.transpose()?
.ok_or_else(|| anyhow!("No Program found"))?
.run_for_uri(db_connection_config)
}
fn artifacts(conn_cfg: DbConnectionConfig, matches: &ArgMatches) -> Result<()> {
use crate::schema::artifacts::dsl;
let csv = matches.is_present("csv");
let hdrs = mk_header(vec!["id", "path"]);
let conn = crate::db::establish_connection(conn_cfg)?;
let data = dsl::artifacts
.load::<models::Artifact>(&conn)?
.into_iter()
.map(|artifact| vec![format!("{}", artifact.id), artifact.path])
.collect::<Vec<_>>();
if data.is_empty() {
info!("No artifacts in database");
} else {
display_data(hdrs, data, csv)?;
}
Ok(())
}
fn envvars(conn_cfg: DbConnectionConfig, matches: &ArgMatches) -> Result<()> {
use crate::schema::envvars::dsl;
let csv = matches.is_present("csv");
let hdrs = mk_header(vec!["id", "name", "value"]);
let conn = crate::db::establish_connection(conn_cfg)?;
let data = dsl::envvars
.load::<models::EnvVar>(&conn)?
.into_iter()
.map(|evar| {
vec![format!("{}", evar.id), evar.name, evar.value]
})
.collect::<Vec<_>>();
if data.is_empty() {
info!("No environment variables in database");
} else {
display_data(hdrs, data, csv)?;
}
Ok(())
}
fn images(conn_cfg: DbConnectionConfig, matches: &ArgMatches) -> Result<()> {
use crate::schema::images::dsl;
let csv = matches.is_present("csv");
let hdrs = mk_header(vec!["id", "name"]);
let conn = crate::db::establish_connection(conn_cfg)?;
let data = dsl::images
.load::<models::Image>(&conn)?
.into_iter()
.map(|image| {
vec![format!("{}", image.id), image.name]
})
.collect::<Vec<_>>();
if data.is_empty() {
info!("No images in database");
} else {
display_data(hdrs, data, csv)?;
}
Ok(())
}
fn mk_header(vec: Vec<&str>) -> Vec<ascii_table::Column> {
vec.into_iter()
.map(|name| {
let mut column = ascii_table::Column::default();
column.header = name.into();
column.align = ascii_table::Align::Left;
column
})
.collect()
}
/// Display the passed data as nice ascii table,
/// or, if stdout is a pipe, print it nicely parseable
fn display_data<D: Display>(headers: Vec<ascii_table::Column>, data: Vec<Vec<D>>, csv: bool) -> Result<()> {
use std::io::Write;
if csv {
use csv::WriterBuilder;
let mut wtr = WriterBuilder::new().from_writer(vec![]);
for record in data.into_iter() {
let r: Vec<String> = record.into_iter()
.map(|e| e.to_string())
.collect();
wtr.write_record(&r)?;
}
let out = std::io::stdout();
let mut lock = out.lock();
wtr.into_inner()
.map_err(Error::from)
.and_then(|t| String::from_utf8(t).map_err(Error::from))
.and_then(|text| writeln!(lock, "{}", text).map_err(Error::from))
} else {
if atty::is(atty::Stream::Stdout) {
let mut ascii_
|
