@@ -19,6 +19,7 @@ package main
1919import (
2020 "context"
2121 "errors"
22+ "fmt"
2223 "log/slog"
2324 "os"
2425 "strings"
@@ -52,85 +53,98 @@ func main() {
5253 kingpin .Parse ()
5354 ctx := context .Background ()
5455
55- cfg , err := config .LoadDefaultConfig (context . TODO () , config .WithRetryer (func () aws.Retryer {
56+ cfg , err := config .LoadDefaultConfig (ctx , config .WithRetryer (func () aws.Retryer {
5657 return retry .AddWithMaxAttempts (retry .NewStandard (), 10 )
5758 }))
5859 if err != nil {
5960 logger .Error ("failed to load configuration" , "error" , err )
6061 os .Exit (1 )
6162 }
6263
64+ if amplifyAppIDs == nil || len (* amplifyAppIDs ) == 0 {
65+ logger .Error ("expected one more more Amplify App IDs" )
66+ os .Exit (1 )
67+ }
68+
6369 amp := AmplifyPreview {
64- client : amplify .NewFromConfig (cfg ),
65- appIDs : func () []string {
66- if len (* amplifyAppIDs ) == 1 {
67- // kingpin env variables are separated by new lines, and there is no way to change the behavior
68- // https://github.com/alecthomas/kingpin/issues/249
69- return strings .Split ((* amplifyAppIDs )[0 ], "," )
70- }
71- return * amplifyAppIDs
72- }(),
70+ client : amplify .NewFromConfig (cfg ),
71+ branchName : * gitBranchName ,
72+ appIDs : * amplifyAppIDs ,
7373 }
7474
75- // Check if Amplify branch is already connected to one of the Amplify Apps
76- branch , err := amp .FindExistingBranch (ctx , * gitBranchName )
77- if err != nil {
78- if ! * createBranches && ! errors .Is (err , errNoJobForBranch ) {
79- logger .Error ("failed to lookup branch" , logKeyBranchName , * gitBranchName , "error" , err )
80- os .Exit (1 )
81- }
75+ if len (amp .appIDs ) == 1 {
76+ // kingpin env variables are separated by new lines, and there is no way to change the behavior
77+ // https://github.com/alecthomas/kingpin/issues/249
78+ amp .appIDs = strings .Split (amp .appIDs [0 ], "," )
79+ }
8280
83- // If branch wasn't found, and branch creation enabled - create new branch
84- branch , err = amp .CreateBranch (ctx , * gitBranchName )
85- if err != nil {
86- logger .Error ("failed to create branch" , logKeyBranchName , * gitBranchName , "error" , err )
87- os .Exit (1 )
88- }
81+ if err := execute (ctx , amp ); err != nil {
82+ logger .Error ("execution failed" , "error" , err )
83+ os .Exit (1 )
8984 }
85+ }
9086
91- // check if existing branch was/being deployed already
92- latestJob , activeJob , err := amp . GetLatestAndActiveJobs (ctx , branch )
87+ func execute ( ctx context. Context , amp AmplifyPreview ) error {
88+ branch , err := ensureAmplifyBranch (ctx , amp )
9389 if err != nil {
94- if ! * createBranches && ! errors .Is (err , errNoJobForBranch ) {
95- logger .Error ("failed to get amplify job" , logKeyBranchName , * gitBranchName , "error" , err )
96- os .Exit (1 )
97- }
90+ return err
91+ }
9892
99- // if job not found and branch was just created - start new job
100- latestJob , err = amp .StartJob (ctx , branch )
101- if err != nil {
102- logger .Error ("failed to start amplify job" , logKeyBranchName , * gitBranchName , "error" , err )
103- os .Exit (1 )
104- }
93+ currentJob , activeJob , err := ensureAmplifyDeployment (ctx , amp , branch )
94+ if err != nil {
95+ return err
10596 }
10697
107- if err := postPreviewURL (ctx , amplifyJobsToMarkdown (branch , latestJob , activeJob )); err != nil {
108- logger .Error ("failed to post preview URL" , "error" , err )
109- os .Exit (1 )
98+ if err := postPreviewURL (ctx , amplifyJobsToMarkdown (branch , currentJob , activeJob )); err != nil {
99+ return fmt .Errorf ("failed to post preview URL: %w" , err )
110100 }
101+
111102 logger .Info ("Successfully posted PR comment" )
112103
113104 if * wait {
114- for i := 0 ; ! isAmplifyJobCompleted (latestJob ) && i < jobWaitTimeAttempts ; i ++ {
115- latestJob , activeJob , err = amp .GetLatestAndActiveJobs (ctx , branch )
116- if err != nil {
117- logger .Error ("failed to get amplify job" , logKeyBranchName , * gitBranchName , "error" , err )
118- os .Exit (1 )
119- }
120-
121- logger .Info ("Job is not in a completed state yet. Sleeping..." ,
122- logKeyBranchName , * gitBranchName , "job_status" , latestJob .Status , "job_id" , * latestJob .JobId , "attempts_left" , jobWaitTimeAttempts - i )
123- time .Sleep (jobWaitSleepTime )
105+ currentJob , activeJob , err = amp .WaitForJobCompletion (ctx , branch , currentJob )
106+ if err != nil {
107+ return fmt .Errorf ("failed to follow job status: %w" , err )
124108 }
125109
126- if err := postPreviewURL ( ctx , amplifyJobsToMarkdown ( branch , latestJob , activeJob )); err != nil {
127- logger . Error ( "failed to post preview URL" , "error" , err )
128- os . Exit ( 1 )
110+ // update comment when job is completed
111+ if err := postPreviewURL ( ctx , amplifyJobsToMarkdown ( branch , currentJob , activeJob )); err != nil {
112+ return fmt . Errorf ( "failed to post preview URL: %w" , err )
129113 }
130114 }
131115
132- if latestJob .Status == types .JobStatusFailed {
133- logger .Error ("amplify job is in failed state" , logKeyBranchName , * gitBranchName , "job_status" , latestJob .Status , "job_id" , * latestJob .JobId )
134- os .Exit (1 )
116+ if currentJob .Status == types .JobStatusFailed {
117+ logger .Error ("amplify job is in failed state" , logKeyBranchName , amp .branchName , "job_status" , currentJob .Status , "job_id" , * currentJob .JobId )
118+ return fmt .Errorf ("amplify job is in %q state" , currentJob .Status )
119+ }
120+
121+ return nil
122+ }
123+
124+ // ensureAmplifyBranch checks if git branch is connected to amplify across multiple amplify apps
125+ // if "create-branch" is enabled, then branch is created if not found, otherwise returns error
126+ func ensureAmplifyBranch (ctx context.Context , amp AmplifyPreview ) (* types.Branch , error ) {
127+ branch , err := amp .FindExistingBranch (ctx )
128+ if err == nil {
129+ return branch , nil
130+ } else if errors .Is (err , errBranchNotFound ) && * createBranches {
131+ return amp .CreateBranch (ctx )
132+ } else {
133+ return nil , fmt .Errorf ("failed to lookup branch %q: %w" , amp .branchName , err )
134+ }
135+ }
136+
137+ // ensureAmplifyDeployment lists deployments and checks for latest and active (the one that's currently live) deployments
138+ // if this branch has no deployments yet and "create-branch" is enabled, then deployment will be kicked off
139+ // this is because when new branch is created on Amplify and "AutoBuild" is enabled, it won't start the deployment until next commit
140+ func ensureAmplifyDeployment (ctx context.Context , amp AmplifyPreview , branch * types.Branch ) (currentJob , activeJob * types.JobSummary , err error ) {
141+ currentJob , activeJob , err = amp .GetLatestAndActiveJobs (ctx , branch )
142+ if err == nil {
143+ return currentJob , activeJob , nil
144+ } else if errors .Is (err , errNoJobForBranch ) && * createBranches {
145+ return nil , nil , fmt .Errorf ("failed to lookup amplify job for branch %q: %w" , amp .branchName , err )
146+ } else {
147+ currentJob , err = amp .StartJob (ctx , branch )
148+ return currentJob , activeJob , err
135149 }
136150}
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