1 files changed, 66 insertions, 0 deletions
diff --git a/node-admin/src/main/java/com/yahoo/vespa/hosted/node/admin/nodeagent/NodeAgentContext.java b/node-admin/src/main/java/com/yahoo/vespa/hosted/node/admin/nodeagent/NodeAgentContext.java
new file mode 100644
index 00000000000..9409ae2bee1
--- /dev/null
+++ b/node-admin/src/main/java/com/yahoo/vespa/hosted/node/admin/nodeagent/NodeAgentContext.java
@@ -0,0 +1,66 @@
+// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
+package com.yahoo.vespa.hosted.node.admin.nodeagent;
+
+import com.yahoo.config.provision.ApplicationId;
+import com.yahoo.config.provision.HostName;
+import com.yahoo.config.provision.NodeType;
+import com.yahoo.config.provision.zone.ZoneApi;
+import com.yahoo.vespa.athenz.api.AthenzIdentity;
+import com.yahoo.vespa.hosted.node.admin.component.TaskContext;
+import com.yahoo.vespa.hosted.node.admin.configserver.noderepository.Acl;
+import com.yahoo.vespa.hosted.node.admin.configserver.noderepository.NodeSpec;
+import com.yahoo.vespa.hosted.node.admin.container.ContainerName;
+import com.yahoo.vespa.hosted.node.admin.container.ContainerNetworkMode;
+
+import java.util.Optional;
+
+public interface NodeAgentContext extends TaskContext {
+
+    /** @return node specification from node-repository */
+    NodeSpec node();
+
+    /** @return node ACL from node-repository */
+    Acl acl();
+
+    /** @return name of the linux container this context applies to */
+    ContainerName containerName();
+
+    /** @return hostname of the linux container this context applies to */
+    default HostName hostname() {
+        return HostName.of(node().hostname());
+    }
+
+    default NodeType nodeType() {
+        return node().type();
+    }
+
+    AthenzIdentity identity();
+
+    ContainerNetworkMode networkMode();
+
+    ZoneApi zone();
+
+    /** @return information about users/user namespace of the linux container this context applies to */
+    UserScope users();
+
+    /** @return methods to resolve paths within container's file system */
+    PathScope paths();
+
+    default boolean isDisabled(NodeAgentTask task) {
+        return false;
+    }
+
+    /**
+     * The vcpu value in NodeSpec is the number of vcpus required by the node on a fixed historical
+     * baseline machine.  However the current host has a faster per-vcpu performance by a scale factor
+     * (see flavors.def cpuSpeedup), and therefore do not need to set aside the full number of vcpus
+     * to run the node.  This method returns that reduced number of vcpus.
+     *
+     * @return the vcpus required by the node on this host.
+     */
+    double vcpuOnThisHost();
+
+    Optional<ApplicationId> hostExclusiveTo();
+
+    boolean exclave();
+}