mirror of
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99 lines
3 KiB
Go
99 lines
3 KiB
Go
//
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// DISCLAIMER
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//
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// Copyright 2018 ArangoDB GmbH, Cologne, Germany
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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// Copyright holder is ArangoDB GmbH, Cologne, Germany
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//
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// Author Ewout Prangsma
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//
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package v1alpha
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import (
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"github.com/pkg/errors"
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)
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// DeploymentMode specifies the type of ArangoDB deployment to create.
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type DeploymentMode string
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const (
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// DeploymentModeSingle yields a single server
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DeploymentModeSingle DeploymentMode = "Single"
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// DeploymentModeActiveFailover yields an agency and a active-failover server pair
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DeploymentModeActiveFailover DeploymentMode = "ActiveFailover"
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// DeploymentModeCluster yields an full cluster (agency, dbservers & coordinators)
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DeploymentModeCluster DeploymentMode = "Cluster"
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)
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// Validate the mode.
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// Return errors when validation fails, nil on success.
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func (m DeploymentMode) Validate() error {
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switch m {
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case DeploymentModeSingle, DeploymentModeActiveFailover, DeploymentModeCluster:
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return nil
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default:
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return maskAny(errors.Wrapf(ValidationError, "Unknown deployment mode: '%s'", string(m)))
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}
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}
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// HasSingleServers returns true when the given mode is "Single" or "ActiveFailover".
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func (m DeploymentMode) HasSingleServers() bool {
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return m == DeploymentModeSingle || m == DeploymentModeActiveFailover
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}
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// HasAgents returns true when the given mode is "ActiveFailover" or "Cluster".
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func (m DeploymentMode) HasAgents() bool {
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return m == DeploymentModeActiveFailover || m == DeploymentModeCluster
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}
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// HasDBServers returns true when the given mode is "Cluster".
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func (m DeploymentMode) HasDBServers() bool {
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return m == DeploymentModeCluster
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}
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// HasCoordinators returns true when the given mode is "Cluster".
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func (m DeploymentMode) HasCoordinators() bool {
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return m == DeploymentModeCluster
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}
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// SupportsSync returns true when the given mode supports dc2dc replication.
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func (m DeploymentMode) SupportsSync() bool {
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return m == DeploymentModeCluster
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}
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// NewMode returns a reference to a string with given value.
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func NewMode(input DeploymentMode) *DeploymentMode {
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return &input
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}
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// NewModeOrNil returns nil if input is nil, otherwise returns a clone of the given value.
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func NewModeOrNil(input *DeploymentMode) *DeploymentMode {
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if input == nil {
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return nil
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}
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return NewMode(*input)
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}
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// ModeOrDefault returns the default value (or empty string) if input is nil, otherwise returns the referenced value.
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func ModeOrDefault(input *DeploymentMode, defaultValue ...DeploymentMode) DeploymentMode {
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if input == nil {
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if len(defaultValue) > 0 {
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return defaultValue[0]
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}
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return ""
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}
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return *input
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}
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