X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/080c940d7a8134a6e277a53b7e45eb27e2b2c87f..b6d7efab2c4bffa3fabd55b166e44cca8ac1391f:/services/api/app/models/container_request.rb

diff --git a/services/api/app/models/container_request.rb b/services/api/app/models/container_request.rb
index dd3ff767dd..b30b8cc1d9 100644
--- a/services/api/app/models/container_request.rb
+++ b/services/api/app/models/container_request.rb
@@ -3,6 +3,7 @@
 # SPDX-License-Identifier: AGPL-3.0
 
 require 'whitelist_update'
+require 'arvados/collection'
 
 class ContainerRequest < ArvadosModel
   include ArvadosModelUpdates
@@ -18,13 +19,16 @@ class ContainerRequest < ArvadosModel
                primary_key: :uuid,
              }
 
-  serialize :properties, Hash
+  # Posgresql JSONB columns should NOT be declared as serialized, Rails 5
+  # already know how to properly treat them.
+  attribute :properties, :jsonbHash, default: {}
+  attribute :secret_mounts, :jsonbHash, default: {}
+
   serialize :environment, Hash
   serialize :mounts, Hash
   serialize :runtime_constraints, Hash
   serialize :command, Array
   serialize :scheduling_parameters, Hash
-  serialize :secret_mounts, Hash
 
   before_validation :fill_field_defaults, :if => :new_record?
   before_validation :validate_runtime_constraints
@@ -33,11 +37,13 @@ class ContainerRequest < ArvadosModel
   validates :command, :container_image, :output_path, :cwd, :presence => true
   validates :output_ttl, numericality: { only_integer: true, greater_than_or_equal_to: 0 }
   validates :priority, numericality: { only_integer: true, greater_than_or_equal_to: 0, less_than_or_equal_to: 1000 }
+  validate :validate_datatypes
   validate :validate_scheduling_parameters
   validate :validate_state_change
   validate :check_update_whitelist
   validate :secret_mounts_key_conflict
-  before_save :scrub_secret_mounts
+  validate :validate_runtime_token
+  before_save :scrub_secrets
   before_create :set_requesting_container_uuid
   before_destroy :set_priority_zero
   after_save :update_priority
@@ -87,7 +93,7 @@ class ContainerRequest < ArvadosModel
   AttrsPermittedAlways = [:owner_uuid, :state, :name, :description, :properties]
   AttrsPermittedBeforeCommit = [:command, :container_count_max,
   :container_image, :cwd, :environment, :filters, :mounts,
-  :output_path, :priority,
+  :output_path, :priority, :runtime_token,
   :runtime_constraints, :state, :container_uuid, :use_existing,
   :scheduling_parameters, :secret_mounts, :output_name, :output_ttl]
 
@@ -96,7 +102,7 @@ class ContainerRequest < ArvadosModel
   end
 
   def logged_attributes
-    super.except('secret_mounts')
+    super.except('secret_mounts', 'runtime_token')
   end
 
   def state_transitions
@@ -104,30 +110,87 @@ class ContainerRequest < ArvadosModel
   end
 
   def skip_uuid_read_permission_check
-    # XXX temporary until permissions are sorted out.
-    %w(modified_by_client_uuid container_uuid requesting_container_uuid)
+    # The uuid_read_permission_check prevents users from making
+    # references to objects they can't view.  However, in this case we
+    # don't want to do that check since there's a circular dependency
+    # where user can't view the container until the user has
+    # constructed the container request that references the container.
+    %w(container_uuid)
   end
 
   def finalize_if_needed
-    if state == Committed && Container.find_by_uuid(container_uuid).final?
-      reload
-      act_as_system_user do
-        leave_modified_by_user_alone do
-          finalize!
+    return if state != Committed
+    while true
+      # get container lock first, then lock current container request
+      # (same order as Container#handle_completed). Locking always
+      # reloads the Container and ContainerRequest records.
+      c = Container.find_by_uuid(container_uuid)
+      c.lock! if !c.nil?
+      self.lock!
+
+      if !c.nil? && container_uuid != c.uuid
+        # After locking, we've noticed a race, the container_uuid is
+        # different than the container record we just loaded.  This
+        # can happen if Container#handle_completed scheduled a new
+        # container for retry and set container_uuid while we were
+        # waiting on the container lock.  Restart the loop and get the
+        # new container.
+        redo
+      end
+
+      if !c.nil?
+        if state == Committed && c.final?
+          # The current container is
+          act_as_system_user do
+            leave_modified_by_user_alone do
+              finalize!
+            end
+          end
         end
+      elsif state == Committed
+        # Behave as if the container is cancelled
+        update_attributes!(state: Final)
       end
+      return true
     end
   end
 
   # Finalize the container request after the container has
   # finished/cancelled.
   def finalize!
-    out_coll = nil
-    log_coll = nil
-    c = Container.find_by_uuid(container_uuid)
-    ['output', 'log'].each do |out_type|
-      pdh = c.send(out_type)
+    container = Container.find_by_uuid(container_uuid)
+    if !container.nil?
+      update_collections(container: container)
+
+      if container.state == Container::Complete
+        log_col = Collection.where(portable_data_hash: container.log).first
+        if log_col
+          # Need to save collection
+          completed_coll = Collection.new(
+            owner_uuid: self.owner_uuid,
+            name: "Container log for container #{container_uuid}",
+            properties: {
+              'type' => 'log',
+              'container_request' => self.uuid,
+              'container_uuid' => container_uuid,
+            },
+            portable_data_hash: log_col.portable_data_hash,
+            manifest_text: log_col.manifest_text)
+          completed_coll.save_with_unique_name!
+        end
+      end
+    end
+    update_attributes!(state: Final)
+  end
+
+  def update_collections(container:, collections: ['log', 'output'])
+    collections.each do |out_type|
+      pdh = container.send(out_type)
       next if pdh.nil?
+      c = Collection.where(portable_data_hash: pdh).first
+      next if c.nil?
+      manifest = c.manifest_text
+
       coll_name = "Container #{out_type} for request #{uuid}"
       trash_at = nil
       if out_type == 'output'
@@ -138,30 +201,41 @@ class ContainerRequest < ArvadosModel
           trash_at = db_current_time + self.output_ttl
         end
       end
-      manifest = Collection.where(portable_data_hash: pdh).first.manifest_text
-
-      coll = Collection.new(owner_uuid: owner_uuid,
-                            manifest_text: manifest,
-                            portable_data_hash: pdh,
-                            name: coll_name,
-                            trash_at: trash_at,
-                            delete_at: trash_at,
-                            properties: {
-                              'type' => out_type,
-                              'container_request' => uuid,
-                            })
-      coll.save_with_unique_name!
-      if out_type == 'output'
-        out_coll = coll.uuid
-      else
-        log_coll = coll.uuid
+
+      coll_uuid = self.send(out_type + '_uuid')
+      coll = coll_uuid.nil? ? nil : Collection.where(uuid: coll_uuid).first
+      if !coll
+        coll = Collection.new(
+          owner_uuid: self.owner_uuid,
+          name: coll_name,
+          manifest_text: "",
+          properties: {
+            'type' => out_type,
+            'container_request' => uuid,
+          })
+      end
+
+      if out_type == "log"
+        # Copy the log into a merged collection
+        src = Arv::Collection.new(manifest)
+        dst = Arv::Collection.new(coll.manifest_text)
+        dst.cp_r("./", ".", src)
+        dst.cp_r("./", "log for container #{container.uuid}", src)
+        manifest = dst.manifest_text
       end
+
+      coll.assign_attributes(
+        portable_data_hash: Digest::MD5.hexdigest(manifest) + '+' + manifest.bytesize.to_s,
+        manifest_text: manifest,
+        trash_at: trash_at,
+        delete_at: trash_at)
+      coll.save_with_unique_name!
+      self.send(out_type + '_uuid=', coll.uuid)
     end
-    update_attributes!(state: Final, output_uuid: out_coll, log_uuid: log_coll)
   end
 
   def self.full_text_searchable_columns
-    super - ["mounts", "secret_mounts", "secret_mounts_md5"]
+    super - ["mounts", "secret_mounts", "secret_mounts_md5", "runtime_token"]
   end
 
   protected
@@ -171,8 +245,9 @@ class ContainerRequest < ArvadosModel
     self.environment ||= {}
     self.runtime_constraints ||= {}
     self.mounts ||= {}
+    self.secret_mounts ||= {}
     self.cwd ||= "."
-    self.container_count_max ||= Rails.configuration.container_count_max
+    self.container_count_max ||= Rails.configuration.Containers.MaxRetryAttempts
     self.scheduling_parameters ||= {}
     self.output_ttl ||= 0
     self.priority ||= 0
@@ -186,15 +261,53 @@ class ContainerRequest < ArvadosModel
       return false
     end
     if state_changed? and state == Committed and container_uuid.nil?
-      self.container_uuid = Container.resolve(self).uuid
+      while true
+        c = Container.resolve(self)
+        c.lock!
+        if c.state == Container::Cancelled
+          # Lost a race, we have a lock on the container but the
+          # container was cancelled in a different request, restart
+          # the loop and resolve request to a new container.
+          redo
+        end
+        self.container_uuid = c.uuid
+        break
+      end
     end
     if self.container_uuid != self.container_uuid_was
       if self.container_count_changed?
         errors.add :container_count, "cannot be updated directly."
         return false
-      else
-        self.container_count += 1
       end
+
+      self.container_count += 1
+      return if self.container_uuid_was.nil?
+
+      old_container = Container.find_by_uuid(self.container_uuid_was)
+      return if old_container.nil?
+
+      old_logs = Collection.where(portable_data_hash: old_container.log).first
+      return if old_logs.nil?
+
+      log_coll = self.log_uuid.nil? ? nil : Collection.where(uuid: self.log_uuid).first
+      if self.log_uuid.nil?
+        log_coll = Collection.new(
+          owner_uuid: self.owner_uuid,
+          name: coll_name = "Container log for request #{uuid}",
+          manifest_text: "")
+      end
+
+      # copy logs from old container into CR's log collection
+      src = Arv::Collection.new(old_logs.manifest_text)
+      dst = Arv::Collection.new(log_coll.manifest_text)
+      dst.cp_r("./", "log for container #{old_container.uuid}", src)
+      manifest = dst.manifest_text
+
+      log_coll.assign_attributes(
+        portable_data_hash: Digest::MD5.hexdigest(manifest) + '+' + manifest.bytesize.to_s,
+        manifest_text: manifest)
+      log_coll.save_with_unique_name!
+      self.log_uuid = log_coll.uuid
     end
   end
 
@@ -203,7 +316,7 @@ class ContainerRequest < ArvadosModel
     if self.state == Committed
       # If preemptible instances (eg: AWS Spot Instances) are allowed,
       # ask them on child containers by default.
-      if Rails.configuration.preemptible_instances and !c.nil? and
+      if Rails.configuration.Containers.UsePreemptibleInstances and !c.nil? and
         self.scheduling_parameters['preemptible'].nil?
           self.scheduling_parameters['preemptible'] = true
       end
@@ -228,6 +341,43 @@ class ContainerRequest < ArvadosModel
     end
   end
 
+  def validate_datatypes
+    command.each do |c|
+      if !c.is_a? String
+        errors.add(:command, "must be an array of strings but has entry #{c.class}")
+      end
+    end
+    environment.each do |k,v|
+      if !k.is_a?(String) || !v.is_a?(String)
+        errors.add(:environment, "must be an map of String to String but has entry #{k.class} to #{v.class}")
+      end
+    end
+    [:mounts, :secret_mounts].each do |m|
+      self[m].each do |k, v|
+        if !k.is_a?(String) || !v.is_a?(Hash)
+          errors.add(m, "must be an map of String to Hash but is has entry #{k.class} to #{v.class}")
+        end
+        if v["kind"].nil?
+          errors.add(m, "each item must have a 'kind' field")
+        end
+        [[String, ["kind", "portable_data_hash", "uuid", "device_type",
+                   "path", "commit", "repository_name", "git_url"]],
+         [Integer, ["capacity"]]].each do |t, fields|
+          fields.each do |f|
+            if !v[f].nil? && !v[f].is_a?(t)
+              errors.add(m, "#{k}: #{f} must be a #{t} but is #{v[f].class}")
+            end
+          end
+        end
+        ["writable", "exclude_from_output"].each do |f|
+          if !v[f].nil? && !v[f].is_a?(TrueClass) && !v[f].is_a?(FalseClass)
+            errors.add(m, "#{k}: #{f} must be a #{t} but is #{v[f].class}")
+          end
+        end
+      end
+    end
+  end
+
   def validate_scheduling_parameters
     if self.state == Committed
       if scheduling_parameters.include? 'partitions' and
@@ -236,7 +386,7 @@ class ContainerRequest < ArvadosModel
             scheduling_parameters['partitions'].size)
             errors.add :scheduling_parameters, "partitions must be an array of strings"
       end
-      if !Rails.configuration.preemptible_instances and scheduling_parameters['preemptible']
+      if !Rails.configuration.Containers.UsePreemptibleInstances and scheduling_parameters['preemptible']
         errors.add :scheduling_parameters, "preemptible instances are not allowed"
       end
       if scheduling_parameters.include? 'max_run_time' and
@@ -274,6 +424,10 @@ class ContainerRequest < ArvadosModel
         permitted.push :container_count
       end
 
+      if current_user.andand.is_admin
+        permitted.push :log_uuid
+      end
+
     when Final
       if self.state_was == Committed
         # "Cancel" means setting priority=0, state=Committed
@@ -298,9 +452,22 @@ class ContainerRequest < ArvadosModel
     end
   end
 
-  def scrub_secret_mounts
+  def validate_runtime_token
+    if !self.runtime_token.nil? && self.runtime_token_changed?
+      if !runtime_token[0..2] == "v2/"
+        errors.add :runtime_token, "not a v2 token"
+        return
+      end
+      if ApiClientAuthorization.validate(token: runtime_token).nil?
+        errors.add :runtime_token, "failed validation"
+      end
+    end
+  end
+
+  def scrub_secrets
     if self.state == Final
       self.secret_mounts = {}
+      self.runtime_token = nil
     end
   end
 
@@ -321,15 +488,14 @@ class ContainerRequest < ArvadosModel
     c = get_requesting_container()
     if !c.nil?
       self.requesting_container_uuid = c.uuid
-      self.priority = c.priority>0 ? 1 : 0
+      # Determine the priority of container request for the requesting
+      # container.
+      self.priority = ContainerRequest.where(container_uuid: self.requesting_container_uuid).maximum("priority") || 0
     end
   end
 
   def get_requesting_container
     return self.requesting_container_uuid if !self.requesting_container_uuid.nil?
-    return if !current_api_client_authorization
-    if (c = Container.where('auth_uuid=?', current_api_client_authorization.uuid).select([:uuid, :priority]).first)
-      return c
-    end
+    Container.for_current_token
   end
 end