Add docker image support and a 'docker image inspect' interface, and update the changelog

CHANGELOG.md

@@ -12,4 +12,11 @@ Commit 2
 - Added `src/drivers/mod.rs` and `src/drivers/objects.rs`
 
 Commit 3
-- Fixed crash on package description fetch
+- Fixed crash on package description fetch
+
+Commit 4
+- Added very basic support for Docker images.
+
+Commit 5
+- Added almost full support for Docker images.
+- Created an interface between Rust and the `docker image inspect` command using Serde.

Cargo.lock

@@ -414,6 +414,12 @@ dependencies = [
  "either",
 ]
 
+[[package]]
+name = "itoa"
+version = "1.0.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "49f1f14873335454500d59611f1cf4a4b0f786f9ac11f4312a78e4cf2566695b"
+
 [[package]]
 name = "libc"
 version = "0.2.153"
@@ -441,6 +447,8 @@ version = "0.1.0"
 dependencies = [
  "gtk4",
  "itertools",
+ "serde",
+ "serde_json",
 ]
 
 [[package]]
@@ -521,6 +529,12 @@ dependencies = [
  "semver",
 ]
 
+[[package]]
+name = "ryu"
+version = "1.0.18"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f3cb5ba0dc43242ce17de99c180e96db90b235b8a9fdc9543c96d2209116bd9f"
+
 [[package]]
 name = "semver"
 version = "1.0.22"
@@ -529,24 +543,36 @@ checksum = "92d43fe69e652f3df9bdc2b85b2854a0825b86e4fb76bc44d945137d053639ca"
 
 [[package]]
 name = "serde"
-version = "1.0.197"
+version = "1.0.208"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3fb1c873e1b9b056a4dc4c0c198b24c3ffa059243875552b2bd0933b1aee4ce2"
+checksum = "cff085d2cb684faa248efb494c39b68e522822ac0de72ccf08109abde717cfb2"
 dependencies = [
  "serde_derive",
 ]
 
 [[package]]
 name = "serde_derive"
-version = "1.0.197"
+version = "1.0.208"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7eb0b34b42edc17f6b7cac84a52a1c5f0e1bb2227e997ca9011ea3dd34e8610b"
+checksum = "24008e81ff7613ed8e5ba0cfaf24e2c2f1e5b8a0495711e44fcd4882fca62bcf"
 dependencies = [
  "proc-macro2",
  "quote",
  "syn",
 ]
 
+[[package]]
+name = "serde_json"
+version = "1.0.125"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "83c8e735a073ccf5be70aa8066aa984eaf2fa000db6c8d0100ae605b366d31ed"
+dependencies = [
+ "itoa",
+ "memchr",
+ "ryu",
+ "serde",
+]
+
 [[package]]
 name = "serde_spanned"
 version = "0.6.5"

Cargo.toml

@@ -8,3 +8,5 @@ edition = "2021"
 [dependencies]
 gtk = { version = "0.9.0", package = "gtk4" }
 itertools = "0.13.0"
+serde = { version = "1.0.208", features = ["serde_derive"] }
+serde_json = "1.0.125"

src/containers/core.rs

@@ -0,0 +1,223 @@
+use std::collections::BTreeMap;
+
+use serde::{Deserialize, Serialize};
+
+/**
+A struct for handling the output of the `docker image inspect`
+command.
+*/
+#[derive(Clone, Serialize, Deserialize, Debug)]
+pub struct ImageInspectData {
+    pub id: String,
+    pub repo_tags: Vec<String>,
+    pub repo_digests: Vec<String>,
+    pub parent: String,
+    pub comment: String,
+    pub created: String,
+    pub docker_version: String,
+    pub author: String,
+    pub config: IIConfig,
+    pub architecture: String,
+    pub os: String,
+    pub size: u64,
+    pub graph_driver: IIGraphDriver,
+    pub rootfs: IIRootFS,
+    pub metadata: IIMetadata,
+}
+
+impl Default for ImageInspectData {
+    fn default() -> Self {
+        ImageInspectData {
+            id: "".to_owned(),
+            repo_tags: vec![],
+            repo_digests: vec![],
+            parent: "".to_owned(),
+            comment: "".to_owned(),
+            created: "".to_owned(),
+            docker_version: "".to_owned(),
+            author: "".to_owned(),
+            config: IIConfig::default(),
+            architecture: "amd64".to_owned(),
+            os: "".to_owned(),
+            size: 0,
+            graph_driver: IIGraphDriver::default(),
+            rootfs: IIRootFS::default(),
+            metadata: IIMetadata::default(),
+        }
+    }
+}
+
+#[derive(Clone, Serialize, Deserialize, Debug)]
+pub struct IIConfig {
+    pub hostname: String,
+    pub domain_name: String,
+    pub user: String,
+    pub attach_stdin: bool,
+    pub attach_stdout: bool,
+    pub attach_stderr: bool,
+    pub tty: bool,
+    pub open_stdin: bool,
+    pub stdin_once: bool,
+    pub env: Vec<String>,
+    pub cmd: Vec<String>,
+    pub image: String,
+    pub working_dir: String,
+
+    // Unsure if these are correct, it just provided null
+    pub volumes: Option<Vec<String>>,
+    pub entrypoint: Option<String>,
+    pub on_build: Option<String>,
+    pub labels: Option<IIConfigLabels>,
+}
+
+impl Default for IIConfig {
+    fn default() -> Self {
+        IIConfig {
+            hostname: "".to_owned(),
+            domain_name: "".to_owned(),
+            user: "".to_owned(),
+            attach_stdin: true,
+            attach_stdout: true,
+            attach_stderr: true,
+            tty: false,
+            open_stdin: false,
+            stdin_once: false,
+            env: vec![],
+            cmd: vec![],
+            image: "".to_owned(),
+            working_dir: "".to_owned(),
+            volumes: None,
+            entrypoint: None,
+            on_build: None,
+            labels: None,
+        }
+    }
+}
+
+pub type IIConfigLabels = BTreeMap<String, String>;
+
+#[derive(Clone, Serialize, Deserialize, Debug)]
+pub struct IIGraphDriver {
+    pub data: GraphDriverData,
+    pub name: String,
+}
+
+impl Default for IIGraphDriver {
+    fn default() -> Self {
+        IIGraphDriver {
+            data: GraphDriverData::default(),
+            name: "".to_owned(),
+        }
+    }
+}
+
+#[derive(Clone, Serialize, Deserialize, Debug)]
+pub struct GraphDriverData {
+    pub merged_dir: String,
+    pub upper_dir: String,
+    pub work_dir: String,
+}
+impl Default for GraphDriverData {
+    fn default() -> GraphDriverData {
+        GraphDriverData {
+            merged_dir: "".to_owned(),
+            upper_dir: "".to_owned(),
+            work_dir: "".to_owned(),
+        }
+    }
+}
+
+#[derive(Clone, Serialize, Deserialize, Debug)]
+pub struct IIRootFS {
+    pub r#type: String,
+    pub layers: Vec<String>,
+}
+
+impl Default for IIRootFS {
+    fn default() -> Self {
+        IIRootFS {
+            r#type: "".to_owned(),
+            layers: vec![],
+        }
+    }
+}
+
+#[derive(Clone, Serialize, Deserialize, Debug)]
+pub struct IIMetadata {
+    pub last_tag_time: String,
+}
+
+impl Default for IIMetadata {
+    fn default() -> Self {
+        IIMetadata {
+            last_tag_time: "".to_owned(),
+        }
+    }
+}
+
+/**
+Function for changing all of the keys that aren't
+interpretable with the given structs into ones that
+are valid and standard usable variable names.
+*/
+pub fn change_keys(json: String) -> String {
+    let mut value = json.clone();
+
+    let switches = [
+        ("Id", "id"),
+        ("RepoTags", "repo_tags"),
+        ("RepoDigests", "repo_digests"),
+        ("Parent", "parent"),
+        ("Comment", "comment"),
+        ("Created", "created"),
+        ("DockerVersion", "docker_version"),
+        ("Author", "author"),
+        ("Config", "config"),
+        // Parts of Config
+        ("Hostname", "hostname"),
+        ("Domainname", "domain_name"),
+        ("User", "user"),
+        ("AttachStdin", "attach_stdin"),
+        ("AttachStdout", "attach_stdout"),
+        ("AttachStderr", "attach_stderr"),
+        ("Tty", "tty"),
+        ("OpenStdin", "open_stdin"),
+        ("StdinOnce", "stdin_once"),
+        ("Env", "env"),
+        ("Cmd", "cmd"),
+        ("Image", "image"),
+        ("Volumes", "volumes"),
+        ("WorkingDir", "working_dir"),
+        ("Entrypoint", "entrypoint"),
+        ("OnBuild", "on_build"),
+        ("Labels", "labels"),
+        // Back to normal parts
+        ("Architecture", "architecture"),
+        ("Os", "os"),
+        ("Size", "size"),
+        ("GraphDriver", "graph_driver"),
+        // Parts of GraphDriver
+        ("Data", "data"),
+        // Parts of Data
+        ("MergedDir", "merged_dir"),
+        ("UpperDir", "upper_dir"),
+        ("WorkDir", "work_dir"),
+        // Back to GraphDriver
+        ("Name", "name"),
+        // Back to normal parts
+        ("RootFS", "rootfs"),
+        // Parts of RootFS
+        ("Type", "type"),
+        ("Layers", "layers"),
+        // Back to normal parts
+        ("Metadata", "metadata"),
+        // Parts of Metadata
+        ("LastTagTime", "last_tag_time"),
+    ];
+
+    for i in switches {
+        value = value.replacen(i.0, i.1, 1);
+    }
+
+    value
+}

src/containers/images.rs

@@ -1,4 +1,12 @@
-use gtk::{prelude::BoxExt, Label};
+use gtk::{
+    prelude::{BoxExt, ButtonExt, Cast, GtkWindowExt, ListModelExtManual, WidgetExt},
+    Button, Label, Window,
+};
+
+use crate::{
+    containers::{self, core::ImageInspectData},
+    pkexec,
+};
 
 use super::Image;
 
@@ -11,82 +19,121 @@ pub fn images() -> gtk::Box {
     Using unwrap here is allowed since this will always
     return a Some when the second param is false
     */
-    let images = crate::pkexec("docker images".to_owned(), false)
+    let mut images = crate::pkexec("docker images".to_owned(), false)
         .unwrap()
         .lines()
         .skip(1)
         .map(|x| x.parse::<Image>().unwrap())
         .collect::<Vec<Image>>();
 
+    images.push(Image {
+        repository: "Test".to_owned(),
+        tag: "something".to_owned(),
+        id: "tag".to_owned(),
+        created: "some date".to_owned(),
+        size: "100MB".to_owned(),
+    });
+
     for image in images {
         let image_box = gtk::Box::builder()
             .orientation(gtk::Orientation::Vertical)
             .css_classes(["image-box"])
             .build();
 
-        let repo_box = gtk::Box::builder()
-            .orientation(gtk::Orientation::Horizontal)
+        image_box.append(&gen_box("Repository", &image.repository));
+        image_box.append(&gen_box("Tag", &image.tag));
+        image_box.append(&gen_box("Image ID", &image.id));
+        image_box.append(&gen_box("Created At", &image.created));
+        image_box.append(&gen_box("Size", &image.size));
+
+        let image_button = Button::builder()
+            .child(&image_box)
+            .css_classes(["image-button"])
             .build();
-        repo_box.append(
-            &Label::builder()
-                .label("Repository: ")
-                .css_classes(["repo-label"])
-                .build(),
-        );
-        repo_box.append(&Label::builder().label(&image.repository).build());
 
-        let tag_box = gtk::Box::builder()
-            .orientation(gtk::Orientation::Horizontal)
-            .build();
-        tag_box.append(
-            &Label::builder()
-                .label("Tag: ")
-                .css_classes(["tag-label"])
-                .build(),
-        );
-        tag_box.append(&Label::builder().label(&image.tag).build());
+        image_button.connect_clicked(|x| {
+            show_image(
+                x.child()
+                    .expect("Failed to get image_button child!")
+                    .downcast::<gtk::Box>()
+                    .expect("Failed to cast image_button child to box.")
+                    .observe_children()
+                    .iter::<gtk::glib::Object>()
+                    .nth(2)
+                    .expect("Failed to get third child.")
+                    .expect("Failed to get third child.")
+                    .downcast::<gtk::Box>()
+                    .expect("Failed to cast child to box.")
+                    .last_child()
+                    .expect("Failed to get first child.")
+                    .downcast::<Label>()
+                    .expect("Failed to cast to label.")
+                    .label()
+                    .as_str(),
+            )
+        });
 
-        let id_box = gtk::Box::builder()
-            .orientation(gtk::Orientation::Horizontal)
-            .build();
-        id_box.append(
-            &Label::builder()
-                .label("Image ID: ")
-                .css_classes(["id-label"])
-                .build(),
-        );
-        id_box.append(&Label::builder().label(&image.id).build());
-
-        let created_box = gtk::Box::builder()
-            .orientation(gtk::Orientation::Horizontal)
-            .build();
-        created_box.append(
-            &Label::builder()
-                .label("Created at: ")
-                .css_classes(["created-label"])
-                .build(),
-        );
-        created_box.append(&Label::builder().label(&image.created).build());
-
-        let size_box = gtk::Box::builder()
-            .orientation(gtk::Orientation::Horizontal)
-            .build();
-        size_box.append(
-            &Label::builder()
-                .label("Size: ")
-                .css_classes(["size-label"])
-                .build(),
-        );
-        size_box.append(&Label::builder().label(&image.size).build());
-
-        image_box.append(&repo_box);
-        image_box.append(&tag_box);
-        image_box.append(&id_box);
-        image_box.append(&created_box);
-        image_box.append(&size_box);
-
-        images_box.append(&image_box);
+        images_box.append(&image_button);
     }
 
     images_box
 }
+
+fn show_image(image_id: &str) {
+    let image_details: Vec<ImageInspectData> =
+        serde_json::from_str::<Vec<ImageInspectData>>(&containers::core::change_keys(
+            pkexec("docker image inspect ".to_owned() + image_id, false)
+                .expect("This error should never occur"),
+        ))
+        .expect("Failed to get data");
+
+    let image_details = image_details[0].clone();
+
+    // TODO: Display the data.
+    let image_window = Window::builder()
+        .title(format!("Image ID {image_id}").as_str())
+        .default_width(600)
+        .default_height(400)
+        .build();
+
+    let main_box = gtk::Box::builder()
+        .orientation(gtk::Orientation::Vertical)
+        .css_classes(["image-showbox"])
+        .build();
+
+    main_box.append(&gen_box("Author", &image_details.author));
+    main_box.append(&gen_box("Comment", &image_details.comment));
+    main_box.append(&gen_box("Id", &image_details.id));
+    main_box.append(&gen_box("Parent", &image_details.parent));
+    main_box.append(&gen_box("Created At", &image_details.created));
+    main_box.append(&gen_box("Architecture", &image_details.architecture));
+    main_box.append(&gen_box("OS", &image_details.os));
+    main_box.append(&gen_box(
+        "Size",
+        &((image_details.size / 1_000_000).to_string() + "MB"),
+    ));
+
+    image_window.set_child(Some(&main_box));
+    image_window.present();
+}
+
+pub fn gen_box(name: &str, content: &str) -> gtk::Box {
+    let return_box = gtk::Box::builder()
+        .orientation(gtk::Orientation::Horizontal)
+        .build();
+
+    let content = if content.is_empty() {
+        "Unknown"
+    } else {
+        content
+    };
+
+    return_box.append(
+        &Label::builder()
+            .label(format!("{name}: "))
+            .css_classes(["box-label"])
+            .build(),
+    );
+    return_box.append(&Label::new(Some(content)));
+    return_box
+}

src/containers/mod.rs

@@ -3,6 +3,7 @@ use std::str::FromStr;
 use gtk::{prelude::BoxExt, Stack, StackSidebar};
 use images::images;
 
+pub mod core;
 pub mod images;
 
 /**

src/main.rs

@@ -98,7 +98,6 @@ fn virtualization() -> gtk::Box {
 }
 
 pub fn pkexec(cmd: String, spawn: bool) -> Option<String> {
-    dbg!(cmd.split_whitespace().next());
     if spawn {
         std::process::Command::new("pkexec")
             .args(cmd.split_whitespace())

src/style.css

@@ -30,19 +30,19 @@
 .license-label,
 .version-label,
 .size-label,
-.description-label,
-
-/* Containers */
-.repo-label,
-.tag-label,
-.id-label,
-.created-label,
-.size-label {
+.description-label {
     font-weight: bold;
 }
 
 .image-box {
     border-radius: 10px;
-    box-shadow: 1px -1px #000000;
-    margin: 10px;
+    padding: 10px;
+}
+
+.image-showbox {
+    padding: 10px;
+}
+
+.box-label {
+    font-weight: bold;
 }