/
RtContainer.java
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/
RtContainer.java
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/**
* Copyright (c) 2018-2019, Mihai Emil Andronache
* All rights reserved.
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* 1)Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2)Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3)Neither the name of docker-java-api nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
package com.amihaiemil.docker;
import java.io.IOException;
import java.net.URI;
import javax.json.JsonObject;
import org.apache.http.HttpStatus;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpDelete;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.entity.StringEntity;
import org.apache.http.message.BasicHeader;
/**
* Restful Container.
* @author Mihai Andronache (amihaiemil@gmail.com)
* @version $Id$
* @since 0.0.1
* @todo #97:30min Continue implementing the rest of the Container operations
* (pause, unpause, logs etc) See the Docker API Docs for reference:
* https://docs.docker.com/engine/api/v1.35/#tag/Container
*/
final class RtContainer extends JsonResource implements Container {
/**
* Apache HttpClient which sends the requests.
*/
private final HttpClient client;
/**
* Base URI.
*/
private final URI baseUri;
/**
* Docker API.
*/
private final Docker docker;
/**
* Ctor.
* @param rep JsonObject representation of this Container.
* @param client Given HTTP Client.
* @param baseUri Base URI, ending with /{containerId}.
* @param dkr Docker where this Container came from.
* @checkstyle ParameterNumber (5 lines)
*/
RtContainer(
final JsonObject rep, final HttpClient client,
final URI baseUri, final Docker dkr
) {
super(rep);
this.client = client;
this.baseUri = baseUri;
this.docker = dkr;
}
@Override
public JsonObject inspect() throws IOException {
return new Inspection(this.client, this.baseUri.toString() + "/json");
}
@Override
public void start() throws IOException {
final HttpPost start = new HttpPost(
this.baseUri.toString() + "/start"
);
try {
this.client.execute(
start,
new MatchStatus(start.getURI(), HttpStatus.SC_NO_CONTENT)
);
} finally {
start.releaseConnection();
}
}
@Override
public String containerId() {
return this.getString("Id");
}
@Override
public void stop() throws IOException {
final HttpPost stop = new HttpPost(
this.baseUri.toString() + "/stop"
);
try {
this.client.execute(
stop,
new MatchStatus(stop.getURI(), HttpStatus.SC_NO_CONTENT)
);
} finally {
stop.releaseConnection();
}
}
@Override
public void kill() throws IOException, UnexpectedResponseException {
final HttpPost kill = new HttpPost(
this.baseUri.toString() + "/kill"
);
try {
this.client.execute(
kill,
new MatchStatus(kill.getURI(), HttpStatus.SC_NO_CONTENT)
);
} finally {
kill.releaseConnection();
}
}
@Override
public void restart() throws IOException, UnexpectedResponseException {
final HttpPost restart = new HttpPost(
this.baseUri.toString() + "/restart"
);
try {
this.client.execute(
restart,
new MatchStatus(restart.getURI(), HttpStatus.SC_NO_CONTENT)
);
} finally {
restart.releaseConnection();
}
}
@Override
public void rename(final String name)
throws IOException, UnexpectedResponseException {
final HttpPost rename = new HttpPost(
this.baseUri.toString() + "/rename?name=" + name
);
try {
this.client.execute(
rename,
new MatchStatus(rename.getURI(), HttpStatus.SC_NO_CONTENT)
);
} finally {
rename.releaseConnection();
}
}
@Override
public void remove() throws IOException, UnexpectedResponseException {
this.remove(false, false, false);
}
@Override
public void remove(
final boolean volumes, final boolean force, final boolean link
) throws IOException, UnexpectedResponseException {
final HttpDelete remove = new HttpDelete(
new UncheckedUriBuilder(this.baseUri.toString())
.addParameter("v", String.valueOf(volumes))
.addParameter("force", String.valueOf(force))
.addParameter("link", String.valueOf(link))
.build()
);
try {
this.client.execute(
remove,
new MatchStatus(remove.getURI(), HttpStatus.SC_NO_CONTENT)
);
} finally {
remove.releaseConnection();
}
}
@Override
public Logs logs() {
return new RtLogs(
this, this.client, URI.create(this.baseUri.toString() + "/logs")
);
}
@Override
public Docker docker() {
return this.docker;
}
@Override
public void pause() throws IOException {
final HttpPost pause = new HttpPost(
this.baseUri.toString() + "/pause"
);
try {
this.client.execute(
pause,
new MatchStatus(pause.getURI(), HttpStatus.SC_NO_CONTENT)
);
} finally {
pause.releaseConnection();
}
}
@Override
public void unpause() throws IOException {
final HttpPost unpause = new HttpPost(
this.baseUri.toString() + "/unpause"
);
try {
this.client.execute(
unpause,
new MatchStatus(unpause.getURI(), HttpStatus.SC_NO_CONTENT)
);
} finally {
unpause.releaseConnection();
}
}
@Override
public int waitOn(final String state) throws IOException {
UncheckedUriBuilder urib = new UncheckedUriBuilder(
this.baseUri.toString().concat("/wait")
);
if(!(null == state || state.isEmpty())){
urib.addParameter("condition", state);
}
final HttpPost waiter = new HttpPost(urib.build());
try {
final JsonObject json = this.client.execute(
waiter,
new ReadJsonObject(
new MatchStatus(waiter.getURI(), HttpStatus.SC_OK)
)
);
return json.getInt("StatusCode");
} finally {
waiter.releaseConnection();
}
}
@Override
public Exec exec(final JsonObject config) throws IOException {
final URI uri = new UncheckedUriBuilder(
this.baseUri.toString() + "/exec")
.build();
final HttpPost post = new HttpPost(uri);
try {
post.setEntity(new StringEntity(config.toString()));
post.setHeader(new BasicHeader("Content-Type", "application/json"));
final JsonObject json = this.client.execute(
post,
new ReadJsonObject(
new MatchStatus(post.getURI(), HttpStatus.SC_CREATED)
)
);
return this.docker.execs().get(json.getString("Id"));
} finally {
post.releaseConnection();
}
}
}