Remove deprecated pushgateway methods. (#617)

These were deprecated back in 2015, and take an explicit
instance label which is not good practice for using the pushgateway.

Signed-off-by: Brian Brazil <[email protected]>

Author: brian-brazil

simpleclient_pushgateway/src/main/java/io/prometheus/client/exporter/PushGateway.java

@@ -94,8 +94,6 @@ public void setConnectionFactory(HttpConnectionFactory connectionFactory) {
    * Creates a URL instance from a String representation of a URL without throwing a checked exception.
    * Required because you can't wrap a call to another constructor in a try statement.
    *
-   * TODO: Remove this along with other deprecated methods before version 1.0 is released.
-   *
    * @param urlString the String representation of the URL.
    * @return The URL instance.
    */
@@ -216,66 +214,6 @@ public void delete(String job, Map<String, String> groupingKey) throws IOExcepti
     doRequest(null, job, groupingKey, "DELETE");
   }
 
-
-  /**
-   * Pushes all metrics in a registry, replacing all those with the same job and instance.
-   * <p>
-   * This uses the PUT HTTP method.
-   * @deprecated use {@link #push(CollectorRegistry, String, Map)}
-  */
-  @Deprecated
-  public void push(CollectorRegistry registry, String job, String instance) throws IOException {
-    push(registry, job, Collections.singletonMap("instance", instance));
-  }
-
-  /**
-   * Pushes all metrics in a Collector, replacing all those with the same job and instance.
-   * <p>
-   * This is useful for pushing a single Gauge.
-   * <p>
-   * This uses the PUT HTTP method.
-   * @deprecated use {@link #push(Collector, String, Map)}
-  */
-  @Deprecated
-  public void push(Collector collector, String job, String instance) throws IOException {
-    push(collector, job, Collections.singletonMap("instance", instance));
-  }
-
-  /**
-   * Pushes all metrics in a registry, replacing only previously pushed metrics of the same name.
-   * <p>
-   * This uses the POST HTTP method.
-   * @deprecated use {@link #pushAdd(CollectorRegistry, String, Map)}
-  */
-  @Deprecated
-  public void pushAdd(CollectorRegistry registry, String job, String instance) throws IOException {
-    pushAdd(registry, job, Collections.singletonMap("instance", instance));
-  }
-
-  /**
-   * Pushes all metrics in a Collector, replacing only previously pushed metrics of the same name.
-   * <p>
-   * This is useful for pushing a single Gauge.
-   * <p>
-   * This uses the POST HTTP method.
-   * @deprecated use {@link #pushAdd(Collector, String, Map)}
-  */
-  @Deprecated
-  public void pushAdd(Collector collector, String job, String instance) throws IOException {
-    pushAdd(collector, job, Collections.singletonMap("instance", instance));
-  }
-
-  /**
-   * Deletes metrics from the Pushgateway.
-   * <p>
-   * This uses the DELETE HTTP method.
-   * @deprecated use {@link #delete(String, Map)}
-  */
-  @Deprecated
-  public void delete(String job, String instance) throws IOException {
-    delete(job, Collections.singletonMap("instance", instance));
-  }
-
   void doRequest(CollectorRegistry registry, String job, Map<String, String> groupingKey, String method) throws IOException {
     String url = gatewayBaseURL;
     if (job.contains("/")) {

simpleclient_pushgateway/src/test/java/io/prometheus/client/exporter/PushGatewayTest.java

@@ -214,91 +214,6 @@ public void testDeleteWithGroupingKey() throws IOException {
     pg.delete("j", groupingKey);
   }
 
-  @Test
-  public void testOldPushWithoutInstance() throws IOException {
-    mockServerClient.when(
-        request()
-          .withMethod("PUT")
-          .withPath("/metrics/job/j/instance@base64/=")
-      ).respond(response().withStatusCode(202));
-    pg.push(registry, "j", "");
-  }
-
-  @Test
-  public void testOldPushWithInstance() throws IOException {
-    mockServerClient.when(
-        request()
-          .withMethod("PUT")
-          .withPath("/metrics/job/j/instance/i")
-      ).respond(response().withStatusCode(202));
-    pg.push(registry, "j", "i");
-  }
-
-  @Test
-  public void testOldNon202ResponseThrows() throws IOException {
-    mockServerClient.when(
-        request()
-          .withMethod("PUT")
-          .withPath("/metrics/job/j/instance/i")
-      ).respond(response().withStatusCode(500));
-    thrown.expect(IOException.class);
-    thrown.expectMessage(
-            "Response code from http://localhost:"
-                    + mockServerRule.getHttpPort()
-                    + "/metrics/job/j/instance/i was 500");
-    pg.push(registry,"j", "i");
-  }
-
-  @Test
-  public void testOldPushWithSlashes() throws IOException {
-    mockServerClient.when(
-        request()
-          .withMethod("PUT")
-          .withPath("/metrics/job@base64/YS9i/instance@base64/Yy9k")
-      ).respond(response().withStatusCode(202));
-    pg.push(registry, "a/b", "c/d");
-  }
-
-  @Test
-  public void testOldPushCollector() throws IOException {
-    mockServerClient.when(
-        request()
-          .withMethod("PUT")
-          .withPath("/metrics/job/j/instance/i")
-      ).respond(response().withStatusCode(202));
-    pg.push(gauge, "j", "i");
-  }
-
-  @Test
-  public void testOldPushAdd() throws IOException {
-    mockServerClient.when(
-        request()
-          .withMethod("POST")
-          .withPath("/metrics/job/j/instance/i")
-      ).respond(response().withStatusCode(202));
-    pg.pushAdd(registry, "j", "i");
-  }
-
-  @Test
-  public void testOldPushAddCollector() throws IOException {
-    mockServerClient.when(
-        request()
-          .withMethod("POST")
-          .withPath("/metrics/job/j/instance/i")
-      ).respond(response().withStatusCode(202));
-    pg.pushAdd(gauge, "j", "i");
-  }
-
-  @Test
-  public void testOldDelete() throws IOException {
-    mockServerClient.when(
-        request()
-          .withMethod("DELETE")
-          .withPath("/metrics/job/j/instance/i")
-      ).respond(response().withStatusCode(202));
-    pg.delete("j", "i");
-  }
-
   @Test
   public void testInstanceIPGroupingKey() throws IOException {
     groupingKey = PushGateway.instanceIPGroupingKey();