com.netflix.spinnaker.igor.admin.AdminController.java Source code

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/*
 * Copyright 2018 Netflix, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License")
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.netflix.spinnaker.igor.admin;

import com.netflix.spinnaker.igor.polling.CommonPollingMonitor;
import com.netflix.spinnaker.igor.polling.PollingMonitor;
import com.netflix.spinnaker.kork.web.exceptions.NotFoundException;
import java.util.ArrayList;
import java.util.Optional;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.HttpStatus;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.stream.Collectors;

import static java.lang.String.format;

@RestController
@RequestMapping("/admin")
public class AdminController {

    private final Logger log = LoggerFactory.getLogger(getClass());

    private final List<CommonPollingMonitor> pollingMonitors;

    @Autowired
    public AdminController(Optional<List<CommonPollingMonitor>> pollingMonitors) {
        this.pollingMonitors = pollingMonitors.orElseGet(ArrayList::new);
    }

    /**
     * Silently fast-forwards a poller. Fast-forwarding means that all pending cache state will be polled and saved,
     * but will not send Echo notifications.
     *
     * By default all partitions (ex: masters) will be fast-forwarded, however specific partition names should be
     * used whenever possible.
     *
     * @param monitorName The polling monitor name (ex: "DockerMonitor")
     * @param partition The partition name, if not provided, method will re-index the entire monitor
     */
    @RequestMapping(value = "/pollers/fastforward/{monitorName}", method = RequestMethod.POST)
    @ResponseStatus(HttpStatus.NO_CONTENT)
    public void fastForward(@PathVariable String monitorName, @RequestParam(required = false) String partition) {
        CommonPollingMonitor pollingMonitor = pollingMonitors.stream()
                .filter(it -> it.getName().equals(monitorName)).findFirst()
                .orElseThrow(() -> new NotFoundException(format("PollingMonitor %s, available: %s", monitorName,
                        pollingMonitors.stream().map(PollingMonitor::getName).collect(Collectors.toList()))));

        log.warn("Re-indexing {}:{}", monitorName, (partition == null) ? "ALL" : partition);
        if (partition == null) {
            pollingMonitor.poll(false);
        } else {
            pollingMonitor.pollSingle(pollingMonitor.getPollContext(partition).fastForward());
        }
    }
}