1 files changed, 0 insertions, 133 deletions
diff --git a/config-provisioning/src/main/java/com/yahoo/config/provision/EndpointsChecker.java b/config-provisioning/src/main/java/com/yahoo/config/provision/EndpointsChecker.java
deleted file mode 100644
index d9ced0177e5..00000000000
--- a/config-provisioning/src/main/java/com/yahoo/config/provision/EndpointsChecker.java
+++ /dev/null
@@ -1,133 +0,0 @@
-package com.yahoo.config.provision;
-
-import ai.vespa.http.DomainName;
-import ai.vespa.http.HttpURL;
-
-import javax.naming.NamingException;
-import javax.naming.directory.Attribute;
-import javax.naming.directory.Attributes;
-import javax.naming.directory.InitialDirContext;
-import java.net.InetAddress;
-import java.net.UnknownHostException;
-import java.util.Collections;
-import java.util.Enumeration;
-import java.util.List;
-import java.util.Optional;
-
-/**
- * @author jonmv
- */
-public interface EndpointsChecker {
-
-    record Endpoint(ClusterSpec.Id clusterName,
-                    HttpURL url,
-                    Optional<InetAddress> ipAddress,
-                    Optional<DomainName> canonicalName,
-                    boolean isPublic) { }
-
-    /** Status sorted by increasing readiness. */
-    enum Status { endpointsUnavailable, containersUnhealthy, available }
-
-    record Availability(Status status, String message) { }
-
-    interface HostNameResolver { Optional<InetAddress> resolve(DomainName hostName); }
-
-    interface CNameResolver { Optional<DomainName> resolve(DomainName hostName); }
-
-    interface ContainerHealthChecker { boolean healthy(Endpoint endpoint); }
-
-    static EndpointsChecker of(ContainerHealthChecker containerHealthChecker) {
-        return zoneEndpoints -> endpointsAvailable(zoneEndpoints, EndpointsChecker::resolveHostName, EndpointsChecker::resolveCname, containerHealthChecker);
-    }
-
-    static EndpointsChecker mock(HostNameResolver hostNameResolver, CNameResolver cNameResolver, ContainerHealthChecker containerHealthChecker) {
-        return zoneEndpoints -> endpointsAvailable(zoneEndpoints, hostNameResolver, cNameResolver, containerHealthChecker);
-    }
-
-    Availability endpointsAvailable(List<Endpoint> zoneEndpoints);
-
-    private static Availability endpointsAvailable(List<Endpoint> zoneEndpoints,
-                                                   HostNameResolver hostNameResolver,
-                                                   CNameResolver cNameResolver,
-                                                   ContainerHealthChecker containerHealthChecker) {
-        if (zoneEndpoints.isEmpty())
-            return new Availability(Status.endpointsUnavailable, "Endpoints not yet ready.");
-
-        for (Endpoint endpoint : zoneEndpoints) {
-            Optional<InetAddress> resolvedIpAddress = hostNameResolver.resolve(endpoint.url().domain());
-            if (resolvedIpAddress.isEmpty())
-                return new Availability(Status.endpointsUnavailable, "DNS lookup yielded no IP address for '" + endpoint.url().domain() + "'.");
-
-            if (resolvedIpAddress.equals(endpoint.ipAddress())) // We expect a certain IP address, and that's what we got, so we're good.
-                continue;
-
-            if (endpoint.ipAddress().isPresent()) // We expect a certain IP address, but that's not what we got.
-                return new Availability(Status.endpointsUnavailable,
-                                        "IP address of '" + endpoint.url().domain() + "' (" +
-                                        resolvedIpAddress.get().getHostAddress() + ") and load balancer " +
-                                        "' (" + endpoint.ipAddress().get().getHostAddress() + ") are not equal");
-
-            if (endpoint.canonicalName().isEmpty()) // We have no expected IP address, and no canonical name, so there's nothing more to check.
-                continue;
-
-            Optional<DomainName> cNameValue = cNameResolver.resolve(endpoint.url().domain());
-            if (cNameValue.filter(endpoint.canonicalName().get()::equals).isEmpty()) {
-                return new Availability(Status.endpointsUnavailable,
-                                        "CNAME '" + endpoint.url().domain() + "' points at " +
-                                        cNameValue.map(name -> "'" + name + "'").orElse("nothing") +
-                                        " but should point at load balancer " +
-                                        endpoint.canonicalName().map(name -> "'" + name + "'").orElse("nothing"));
-            }
-
-            Optional<InetAddress> loadBalancerAddress = hostNameResolver.resolve(endpoint.canonicalName().get());
-            if ( ! loadBalancerAddress.equals(resolvedIpAddress)) {
-                return new Availability(Status.endpointsUnavailable,
-                                        "IP address of CNAME '" + endpoint.url().domain() + "' (" +
-                                        resolvedIpAddress.get().getHostAddress() + ") and load balancer '" +
-                                        endpoint.canonicalName().get() + "' (" +
-                                        loadBalancerAddress.map(InetAddress::getHostAddress).orElse("empty") + ") are not equal");
-            }
-        }
-
-        for (Endpoint endpoint : zoneEndpoints)
-            if ( ! containerHealthChecker.healthy(endpoint))
-                return new Availability(Status.containersUnhealthy, "Failed to get enough healthy responses from " + endpoint.url());
-
-        return new Availability(Status.available, "Endpoints are ready");
-    }
-
-    /** Returns the IP address of the given host name, if any. */
-    private static Optional<InetAddress> resolveHostName(DomainName hostname) {
-        try {
-            return Optional.of(InetAddress.getByName(hostname.value()));
-        }
-        catch (UnknownHostException ignored) {
-            return Optional.empty();
-        }
-    }
-
-    /** Returns the host name of the given CNAME, if any. */
-    private static Optional<DomainName> resolveCname(DomainName endpoint) {
-        try {
-            InitialDirContext ctx = new InitialDirContext();
-            try {
-                Attributes attrs = ctx.getAttributes("dns:/" + endpoint.value(), new String[]{ "CNAME" });
-                for (Attribute attribute : Collections.list(attrs.getAll())) {
-                    Enumeration<?> vals = attribute.getAll();
-                    if (vals.hasMoreElements()) {
-                        String hostname = vals.nextElement().toString();
-                        return Optional.of(hostname.substring(0, hostname.length() - 1)).map(DomainName::of);
-                    }
-                }
-            }
-            finally {
-                ctx.close();
-            }
-        }
-        catch (NamingException e) {
-            throw new RuntimeException(e);
-        }
-        return Optional.empty();
-    }
-
-}