pulumi/pkg/backend/updates.go

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2018-05-22 21:43:36 +02:00
// Copyright 2016-2018, Pulumi Corporation.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package backend
import (
"github.com/pulumi/pulumi/pkg/engine"
"github.com/pulumi/pulumi/pkg/resource/config"
)
// UpdateMetadata describes optional metadata about an update.
type UpdateMetadata struct {
// Message is an optional message associated with the update.
Message string `json:"message"`
// Environment contains optional data from the deploying environment. e.g. the current
// source code control commit information.
Environment map[string]string `json:"environment"`
}
// UpdateKind is an enum for the type of update performed.
type UpdateKind string
const (
// DeployUpdate is the prototypical Pulumi program update.
DeployUpdate UpdateKind = "update"
// PreviewUpdate is a preview of an update, without impacting resources.
General prep work for refresh This change includes a bunch of refactorings I made in prep for doing refresh (first, the command, see pulumi/pulumi#1081): * The primary change is to change the way the engine's core update functionality works with respect to deploy.Source. This is the way we can plug in new sources of resource information during planning (and, soon, diffing). The way I intend to model refresh is by having a new kind of source, deploy.RefreshSource, which will let us do virtually everything about an update/diff the same way with refreshes, which avoid otherwise duplicative effort. This includes changing the planOptions (nee deployOptions) to take a new SourceFunc callback, which is responsible for creating a source specific to the kind of plan being requested. Preview, Update, and Destroy now are primarily differentiated by the kind of deploy.Source that they return, rather than sprinkling things like `if Destroying` throughout. This tidies up some logic and, more importantly, gives us precisely the refresh hook we need. * Originally, we used the deploy.NullSource for Destroy operations. This simply returns nothing, which is how Destroy works. For some reason, we were no longer doing this, and instead had some `if Destroying` cases sprinkled throughout the deploy.EvalSource. I think this is a vestige of some old way we did configuration, at least judging by a comment, which is apparently no longer relevant. * Move diff and diff-printing logic within the engine into its own pkg/engine/diff.go file, to prepare for upcoming work. * I keep noticing benign diffs anytime I regenerate protobufs. I suspect this is because we're also on different versions. I changed generate.sh to also dump the version into grpc_version.txt. At least we can understand where the diffs are coming from, decide whether to take them (i.e., a newer version), and ensure that as a team we are monotonically increasing, and not going backwards. * I also tidied up some tiny things I noticed while in there, like comments, incorrect types, lint suppressions, and so on.
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PreviewUpdate UpdateKind = "preview"
// RefreshUpdate is an update that adopts a cloud's existing resource state.
RefreshUpdate UpdateKind = "refresh"
// DestroyUpdate is an update which removes all resources.
General prep work for refresh This change includes a bunch of refactorings I made in prep for doing refresh (first, the command, see pulumi/pulumi#1081): * The primary change is to change the way the engine's core update functionality works with respect to deploy.Source. This is the way we can plug in new sources of resource information during planning (and, soon, diffing). The way I intend to model refresh is by having a new kind of source, deploy.RefreshSource, which will let us do virtually everything about an update/diff the same way with refreshes, which avoid otherwise duplicative effort. This includes changing the planOptions (nee deployOptions) to take a new SourceFunc callback, which is responsible for creating a source specific to the kind of plan being requested. Preview, Update, and Destroy now are primarily differentiated by the kind of deploy.Source that they return, rather than sprinkling things like `if Destroying` throughout. This tidies up some logic and, more importantly, gives us precisely the refresh hook we need. * Originally, we used the deploy.NullSource for Destroy operations. This simply returns nothing, which is how Destroy works. For some reason, we were no longer doing this, and instead had some `if Destroying` cases sprinkled throughout the deploy.EvalSource. I think this is a vestige of some old way we did configuration, at least judging by a comment, which is apparently no longer relevant. * Move diff and diff-printing logic within the engine into its own pkg/engine/diff.go file, to prepare for upcoming work. * I keep noticing benign diffs anytime I regenerate protobufs. I suspect this is because we're also on different versions. I changed generate.sh to also dump the version into grpc_version.txt. At least we can understand where the diffs are coming from, decide whether to take them (i.e., a newer version), and ensure that as a team we are monotonically increasing, and not going backwards. * I also tidied up some tiny things I noticed while in there, like comments, incorrect types, lint suppressions, and so on.
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DestroyUpdate UpdateKind = "destroy"
)
// UpdateResult is an enum for the result of the update.
type UpdateResult string
const (
// InProgressResult is for updates that have not yet completed.
InProgressResult = "in-progress"
// SucceededResult is for updates that completed successfully.
SucceededResult UpdateResult = "succeeded"
// FailedResult is for updates that have failed.
FailedResult = "failed"
)
// Keys we use for values put into UpdateInfo.Environment.
const (
// GitHead is the commit hash of HEAD.
GitHead = "git.head"
// GitDirty ("true", "false") indiciates if there are any unstaged or modified files in the local repo.
GitDirty = "git.dirty"
// GitCommitter is the name of the person who committed the commit at HEAD.
GitCommitter = "git.committer"
// GitCommitterEmail is the Email address associated with the committer.
GitCommitterEmail = "git.committer.email"
// GitAuthor is the name of the person who authored the commit at HEAD.
GitAuthor = "git.author"
// GitAuthorEmail is the email address associated with the commit's author.
GitAuthorEmail = "git.author.email"
// GitHubLogin is the user/organization who owns the local repo, if the origin remote is hosted on GitHub.com.
GitHubLogin = "github.login"
// GitHubRepo is the name of the GitHub repo, if the local git repo's remote origin is hosted on GitHub.com.
GitHubRepo = "github.repo"
// CISystem is the name of the CI system running the pulumi operation.
CISystem = "ci.system"
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// CIBuildID is an opaque ID of the build in the CI system.
CIBuildID = "ci.build.id"
// CIBuildType is the type of build of the CI system, e.g. "push", "pull_request", "test_only".
CIBuildType = "ci.build.type"
// CIBuildURL is a URL to get more information about the particular CI build.
CIBuildURL = "ci.build.url"
// CIPRHeadSHA is the SHA of the HEAD commit of a pull request running on CI. This is needed since the CI
// server will run at a different, merge commit. (headSHA merged into the target branch.)
CIPRHeadSHA = "ci.pr.headSHA"
)
// UpdateInfo describes a previous update.
type UpdateInfo struct {
// Information known before an update is started.
Kind UpdateKind `json:"kind"`
StartTime int64 `json:"startTime"`
// Message is an optional message associated with the update.
Message string `json:"message"`
// Environment contains optional data from the deploying environment. e.g. the current
// source code control commit information.
Environment map[string]string `json:"environment"`
// Config used for the update.
Config config.Map `json:"config"`
// Information obtained from an update completing.
Result UpdateResult `json:"result"`
EndTime int64 `json:"endTime"`
ResourceChanges engine.ResourceChanges `json:"resourceChanges,omitempty"`
}