d044720045
This change restructures a lot more pertaining to deployments, snapshots, environments, and the like. The most notable change is that the notion of a deploy.Source is introduced, which splits the responsibility between the deploy.Plan -- which simply understands how to compute and carry out deployment plans -- and the idea of something that can produce new objects on-demand during deployment. The primary such implementation is evalSource, which encapsulates an interpreter and takes a package, args, and config map, and proceeds to run the interpreter in a distinct goroutine. It synchronizes as needed to poke and prod the interpreter along its path to create new resource objects. There are two other sources, however. First, a nullSource, which simply refuses to create new objects. This can be handy when writing isolated tests but is also used to simulate the "empty" environment as necessary to do a complete teardown of the target environment. Second, a fixedSource, which takes a pre-computed array of objects, and hands those, in order, to the planning engine; this is mostly useful as a testing technique. Boatloads of code is now changed and updated in the various CLI commands. This further chugs along towards pulumi/lumi#90. The end is in sight.
89 lines
2.6 KiB
Go
89 lines
2.6 KiB
Go
// Licensed to Pulumi Corporation ("Pulumi") under one or more
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// contributor license agreements. See the NOTICE file distributed with
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// this work for additional information regarding copyright ownership.
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// Pulumi licenses this file to You under the Apache License, Version 2.0
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// (the "License"); you may not use this file except in compliance with
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// the License. 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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package main
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import (
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"fmt"
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"io/ioutil"
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"os"
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"path/filepath"
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"strconv"
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"github.com/pkg/errors"
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"github.com/spf13/cobra"
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"github.com/pulumi/lumi/pkg/encoding"
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"github.com/pulumi/lumi/pkg/tokens"
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"github.com/pulumi/lumi/pkg/util/cmdutil"
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"github.com/pulumi/lumi/pkg/workspace"
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)
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func newEnvLsCmd() *cobra.Command {
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return &cobra.Command{
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Use: "ls",
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Aliases: []string{"list"},
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Short: "List all known environments",
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Run: cmdutil.RunFunc(func(cmd *cobra.Command, args []string) error {
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// Read the environment directory.
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path := workspace.EnvPath("")
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files, err := ioutil.ReadDir(path)
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if err != nil && !os.IsNotExist(err) {
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return errors.Errorf("could not read environments: %v", err)
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}
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fmt.Printf("%-20s %-48s %-12s\n", "NAME", "LAST DEPLOYMENT", "RESOURCE COUNT")
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curr := getCurrentEnv()
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for _, file := range files {
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// Ignore directories.
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if file.IsDir() {
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continue
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}
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// Skip files without valid extensions (e.g., *.bak files).
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envfn := file.Name()
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ext := filepath.Ext(envfn)
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if _, has := encoding.Marshalers[ext]; !has {
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continue
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}
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// Read in this environment's information.
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name := tokens.QName(envfn[:len(envfn)-len(ext)])
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target, snapshot, checkpoint := readEnv(name)
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if checkpoint == nil {
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continue // failure reading the environment information.
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}
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// Now print out the name, last deployment time (if any), and resources (if any).
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lastDeploy := "n/a"
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resourceCount := "n/a"
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if checkpoint.Latest != nil {
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lastDeploy = checkpoint.Latest.Time.String()
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}
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if snapshot != nil {
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resourceCount = strconv.Itoa(len(snapshot.Resources))
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}
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display := target.Name
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if display == curr {
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display += "*" // fancify the current environment.
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}
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fmt.Printf("%-20s %-48s %-12s\n", display, lastDeploy, resourceCount)
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}
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return nil
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}),
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}
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}
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