Jack Wills
502 lines
16 KiB
Rust
502 lines
16 KiB
Rust
use bollard::models::ContainerSummary;
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use std::time::{SystemTime, UNIX_EPOCH};
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use tui::widgets::ListItem;
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mod container_state;
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use crate::{app_error::AppError, parse_args::CliArgs, ui::log_sanitizer};
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pub use container_state::*;
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/// Global app_state, stored in an Arc<Mutex>
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#[derive(Debug)]
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pub struct AppData {
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args: CliArgs,
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error: Option<AppError>,
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logs_parsed: bool,
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pub containers: StatefulList<ContainerItem>,
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pub init: bool,
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pub show_error: bool,
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// todo
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sort_by: Header
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}
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#[derive(Debug, Clone)]
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pub enum SortedOrder{
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Asc,
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Desc
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}
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#[derive(Debug, Clone)]
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pub enum Header{
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State,
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Status,
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Cpu,
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Memory,
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Id,
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Name,
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Image,
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Rx,
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Tx
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}
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impl AppData {
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/// Generate a default app_state
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pub fn default(args: CliArgs) -> Self {
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Self {
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args,
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containers: StatefulList::new(vec![]),
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error: None,
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init: false,
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logs_parsed: false,
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show_error: false,
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sort_by: Header::Memory,
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}
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}
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// Current time as unix timestamp
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fn get_systemtime(&self) -> u64 {
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SystemTime::now()
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.duration_since(UNIX_EPOCH)
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.expect("In our known reality, this error should never occur")
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.as_secs()
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}
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/// Get the current select docker command
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/// So know which command to execute
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pub fn get_docker_command(&self) -> Option<DockerControls> {
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let mut output = None;
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if let Some(index) = self.containers.state.selected() {
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if let Some(control_index) = self.containers.items[index]
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.docker_controls
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.state
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.selected()
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{
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output =
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Some(self.containers.items[index].docker_controls.items[control_index].clone())
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}
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}
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output
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}
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/// Change selected choice of docker commands of selected container
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pub fn docker_command_next(&mut self) {
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if let Some(index) = self.containers.state.selected() {
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self.containers.items[index].docker_controls.next()
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}
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}
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/// Change selected choice of docker commands of selected container
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pub fn docker_command_previous(&mut self) {
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if let Some(index) = self.containers.state.selected() {
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self.containers.items[index].docker_controls.previous()
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}
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}
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/// Change selected choice of docker commands of selected container
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pub fn docker_command_start(&mut self) {
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if let Some(index) = self.containers.state.selected() {
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self.containers.items[index].docker_controls.start()
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}
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}
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/// Change selected choice of docker commands of selected container
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pub fn docker_command_end(&mut self) {
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if let Some(index) = self.containers.state.selected() {
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self.containers.items[index].docker_controls.end()
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}
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}
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/// return single app_state error
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pub fn get_error(&self) -> Option<AppError> {
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self.error.clone()
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}
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/// remove single app_state error
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pub fn remove_error(&mut self) {
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self.error = None;
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}
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/// insert single app_state error
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pub fn set_error(&mut self, error: AppError) {
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self.error = Some(error);
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}
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/// Find the id of the currently selected container.
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/// If any containers on system, will always return a string.
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/// Only returns None when no containers found.
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pub fn get_selected_container_id(&self) -> Option<String> {
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let mut output = None;
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if let Some(index) = self.containers.state.selected() {
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let id = self
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.containers
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.items
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.iter()
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.skip(index)
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.take(1)
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.map(|i| i.id.to_owned())
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.collect::<String>();
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output = Some(id)
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}
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output
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}
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pub fn sort_containers(&mut self, so: SortedOrder) {
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// State,
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// Status,
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// Cpu,
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// Memory,
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// Id,
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// Name,
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// Image,
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// Rx,
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// Tx
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match self.sort_by {
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Header::State => {
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match so {
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SortedOrder::Asc => self.containers.items.sort_by(|a,b|a.state.as_text().cmp(b.state.as_text())),
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SortedOrder::Desc => self.containers.items.sort_by(|a,b|b.state.as_text().cmp(a.state.as_text())),
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}
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},
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Header::Status => {
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match so {
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SortedOrder::Asc => self.containers.items.sort_by(|a,b|a.status.cmp(&b.status)),
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SortedOrder::Desc => self.containers.items.sort_by(|a,b|b.status.cmp(&a.status)),
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}
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},
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Header::Status => {
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match so {
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SortedOrder::Asc => self.containers.items.sort_by(|a,b|a.status.cmp(&b.status)),
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SortedOrder::Desc => self.containers.items.sort_by(|a,b|b.status.cmp(&a.status)),
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}
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},
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Header::Cpu => {
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match so {
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SortedOrder::Desc =>
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self.containers.items.sort_by(|a,b|a.cpu_stats.back().cmp(&b.cpu_stats.back())),
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SortedOrder::Asc => self.containers.items.sort_by(|a,b|b.cpu_stats.back().cmp(&a.cpu_stats.back()))
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}
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},
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Header::Memory => {
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match so {
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SortedOrder::Desc =>
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self.containers.items.sort_by(|a,b|a.mem_stats.back().cmp(&b.mem_stats.back())),
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SortedOrder::Asc => self.containers.items.sort_by(|a,b|b.mem_stats.back().cmp(&a.mem_stats.back()))
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}
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},
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Header::Image => {
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match so {
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SortedOrder::Asc => self.containers.items.sort_by(|a,b|a.image.cmp(&b.image)),
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SortedOrder::Desc => self.containers.items.sort_by(|a,b|b.image.cmp(&a.image)),
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}
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},
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Header::Name => {
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match so {
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SortedOrder::Asc => self.containers.items.sort_by(|a,b|a.name.cmp(&b.name)),
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SortedOrder::Desc => self.containers.items.sort_by(|a,b|b.name.cmp(&a.name)),
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}
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},
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_ => ()
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}
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}
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// match so {
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// SortedOrder::Asc => self.containers.items.sort_by(|a,b|b.name.cmp(&a.name)),
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// SortedOrder::Desc => self.containers.items.sort_by(|a,b|a.name.cmp(&b.name))
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// }
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// }
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pub fn sort_by_id(&mut self, so: SortedOrder) {
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match so {
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SortedOrder::Asc => self.containers.items.sort_by(|a,b|b.id.cmp(&a.id)),
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SortedOrder::Desc => self.containers.items.sort_by(|a,b|a.id.cmp(&b.id))
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}
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}
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/// Find the index of the currently selected single log line
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pub fn get_selected_log_index(&self) -> Option<usize> {
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let mut output = None;
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if let Some(id) = self.get_selected_container_id() {
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if let Some(index) = self.containers.items.iter().position(|i| i.id == id) {
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output = Some(index);
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}
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}
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output
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}
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/// Get the title for log panel for selected container
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/// will be "logs x/x"
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pub fn get_log_title(&self) -> String {
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if let Some(index) = self.get_selected_log_index() {
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self.containers.items[index].logs.get_state_title()
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} else {
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String::from("")
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}
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}
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/// select next selected log line
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pub fn log_next(&mut self) {
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if let Some(index) = self.get_selected_log_index() {
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self.containers.items[index].logs.next()
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}
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}
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/// select previous selected log line
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pub fn log_previous(&mut self) {
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if let Some(index) = self.get_selected_log_index() {
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self.containers.items[index].logs.previous()
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}
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}
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/// select last selected log line
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pub fn log_end(&mut self) {
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if let Some(index) = self.get_selected_log_index() {
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self.containers.items[index].logs.end()
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}
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}
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/// select first selected log line
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pub fn log_start(&mut self) {
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if let Some(index) = self.get_selected_log_index() {
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self.containers.items[index].logs.start()
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}
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}
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pub fn initialised(&mut self, all_ids: &[(bool, String)]) -> bool {
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let count_is_running = all_ids.iter().filter(|i| i.0).count();
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let number_with_cpu_status = self
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.containers
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.items
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.iter()
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.filter(|i| !i.cpu_stats.is_empty())
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.count();
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self.logs_parsed && count_is_running == number_with_cpu_status
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}
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/// Just get the total number of containers
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pub fn get_container_len(&self) -> usize {
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self.containers.items.len()
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}
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/// Find the widths for the strings in the containers panel.
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/// So can display nicely and evenly
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pub fn get_width(&self) -> Columns {
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let mut output = Columns::new();
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let count = |x: &String| x.chars().count();
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for container in self.containers.items.iter() {
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let cpu_count = count(
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&container
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.cpu_stats
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.back()
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.unwrap_or(&CpuStats::new(0.0))
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.to_string(),
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);
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let mem_count = count(&format!(
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"{} / {}",
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container.mem_stats.back().unwrap_or(&ByteStats::new(0)),
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container.mem_limit
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));
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let net_rx_count = count(&container.net_rx.to_string());
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let net_tx_count = count(&container.net_tx.to_string());
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let image_count = count(&container.image);
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let name_count = count(&container.name);
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let state_count = count(&container.state.to_string());
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let status_count = count(&container.status);
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if cpu_count > output.cpu.1 {
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output.cpu.1 = cpu_count;
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};
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if image_count > output.image.1 {
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output.image.1 = image_count;
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};
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if mem_count > output.mem.1 {
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output.mem.1 = mem_count;
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};
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if name_count > output.name.1 {
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output.name.1 = name_count;
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};
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if state_count > output.state.1 {
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output.state.1 = state_count;
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};
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if status_count > output.status.1 {
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output.status.1 = status_count;
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};
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if net_rx_count > output.net_rx.1 {
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output.net_rx.1 = net_rx_count;
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};
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if net_tx_count > output.net_tx.1 {
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output.net_tx.1 = net_tx_count;
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};
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}
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output
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}
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/// Get all containers ids
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pub fn get_all_ids(&self) -> Vec<String> {
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self.containers
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.items
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.iter()
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.map(|i| i.id.to_owned())
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.collect::<Vec<_>>()
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}
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/// find container given id
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fn get_container_by_id(&mut self, id: &str) -> Option<&mut ContainerItem> {
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self.containers.items.iter_mut().find(|i| i.id == id)
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}
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/// Update container mem, cpu, & network stats, in single function so only need to call .lock() once
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pub fn update_stats(
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&mut self,
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id: String,
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cpu_stat: Option<f64>,
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mem_stat: Option<u64>,
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mem_limit: u64,
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rx: u64,
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tx: u64,
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) {
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if let Some(container) = self.get_container_by_id(&id) {
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if container.cpu_stats.len() >= 60 {
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container.cpu_stats.pop_front();
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}
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if container.mem_stats.len() >= 60 {
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container.mem_stats.pop_front();
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}
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if let Some(cpu) = cpu_stat {
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container.cpu_stats.push_back(CpuStats::new(cpu));
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}
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if let Some(mem) = mem_stat {
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container.mem_stats.push_back(ByteStats::new(mem));
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}
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container.net_rx.update(rx);
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container.net_tx.update(tx);
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container.mem_limit.update(mem_limit);
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}
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}
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/// Update, or insert, containers
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pub fn update_containers(&mut self, containers: &[ContainerSummary]) {
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let all_ids = self.get_all_ids();
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if !containers.is_empty() && self.containers.state.selected().is_none() {
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self.containers.start();
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}
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for (index, id) in all_ids.iter().enumerate() {
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if !containers
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.iter()
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.filter_map(|i| i.id.as_ref())
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.any(|x| x == id)
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{
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// If removed container is currently selected, then change selected to previous
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// This will default to 0 in any edge cases
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if self.containers.state.selected().is_some() {
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self.containers.previous();
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}
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// Check is some, else can cause out of bounds error, if containers get removed before a docker update
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if self.containers.items.get(index).is_some() {
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self.containers.items.remove(index);
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}
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}
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}
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for i in containers.iter() {
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if let Some(id) = i.id.as_ref() {
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let mut name = i
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.names
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.as_ref()
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.unwrap_or(&vec!["".to_owned()])
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.get(0)
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.unwrap_or(&String::from(""))
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.to_owned();
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if let Some(c) = name.chars().next() {
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if c == '/' {
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name.remove(0);
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}
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}
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let state = State::from(i.state.as_ref().unwrap_or(&"dead".to_owned()).trim());
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let status = i
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.status
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.as_ref()
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.unwrap_or(&"".to_owned())
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.trim()
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.to_owned();
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let image = i.image.as_ref().unwrap_or(&"".to_owned()).trim().to_owned();
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if let Some(current_container) = self.get_container_by_id(id) {
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if current_container.name != name {
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current_container.name = name
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};
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if current_container.status != status {
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current_container.status = status
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};
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if current_container.state != state {
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current_container.docker_controls.items = DockerControls::gen_vec(&state);
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// Update the list state, needs to be None if the gen_vec returns an empty vec
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match state {
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State::Removing | State::Restarting | State::Unknown => {
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current_container.docker_controls.state.select(None)
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}
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_ => current_container.docker_controls.start(),
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};
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current_container.state = state;
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};
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if current_container.image != image {
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current_container.image = image
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};
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} else {
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let mut container =
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ContainerItem::new(id.to_owned(), status, image, state, name);
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container.logs.end();
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self.containers.items.push(container);
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}
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}
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}
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}
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/// update logs of a given container, based on index not id
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pub fn update_log_by_index(&mut self, output: Vec<String>, index: usize) {
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let tz = self.get_systemtime();
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if let Some(container) = self.containers.items.get_mut(index) {
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container.last_updated = tz;
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let current_len = container.logs.items.len();
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output.iter().for_each(|i| {
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let lines = if self.args.color {
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log_sanitizer::colorize_logs(i.to_owned())
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} else if self.args.raw {
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log_sanitizer::raw(i.to_owned())
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} else {
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log_sanitizer::remove_ansi(i.to_owned())
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};
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container.logs.items.push(ListItem::new(lines));
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});
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if container.logs.state.selected().is_none()
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|| container.logs.state.selected().unwrap_or_default() + 1 == current_len
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{
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container.logs.end();
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}
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}
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self.logs_parsed = true;
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}
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/// Update all containers logs, should only be used on first initialisation
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pub fn update_all_logs(&mut self, all_logs: Vec<Vec<String>>) {
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for (index, output) in all_logs.into_iter().enumerate() {
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self.update_log_by_index(output, index);
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}
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}
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}
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