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feat(coderd/healthcheck): add health check for proxy (#10846)

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Adds a health check for workspace proxies:
- Healthy iff all proxies are healthy and the same version,
- Warning if some proxies are unhealthy,
- Error if all proxies are unhealthy, or do not all have the same version.
This commit is contained in:
Cian Johnston
2023-11-24 15:06:51 +00:00
committed by GitHub
parent b501046cf9
commit 411ce46442
15 changed files with 865 additions and 35 deletions
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22
coderd/coderd.go
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@ -135,10 +135,12 @@ type Options struct {
AccessControlStore *atomic.Pointer[dbauthz.AccessControlStore]
// AppSecurityKey is the crypto key used to sign and encrypt tokens related to
// workspace applications. It consists of both a signing and encryption key.
AppSecurityKey workspaceapps.SecurityKey
HealthcheckFunc func(ctx context.Context, apiKey string) *healthcheck.Report
HealthcheckTimeout time.Duration
HealthcheckRefresh time.Duration
AppSecurityKey workspaceapps.SecurityKey
HealthcheckFunc func(ctx context.Context, apiKey string) *healthcheck.Report
HealthcheckTimeout time.Duration
HealthcheckRefresh time.Duration
WorkspaceProxiesFetchUpdater *atomic.Pointer[healthcheck.WorkspaceProxiesFetchUpdater]
// OAuthSigningKey is the crypto key used to sign and encrypt state strings
// related to OAuth. This is a symmetric secret key using hmac to sign payloads.
@ -396,6 +398,13 @@ func New(options *Options) *API {
*options.UpdateCheckOptions,
)
}
if options.WorkspaceProxiesFetchUpdater == nil {
options.WorkspaceProxiesFetchUpdater = &atomic.Pointer[healthcheck.WorkspaceProxiesFetchUpdater]{}
var wpfu healthcheck.WorkspaceProxiesFetchUpdater = &healthcheck.AGPLWorkspaceProxiesFetchUpdater{}
options.WorkspaceProxiesFetchUpdater.Store(&wpfu)
}
if options.HealthcheckFunc == nil {
options.HealthcheckFunc = func(ctx context.Context, apiKey string) *healthcheck.Report {
return healthcheck.Run(ctx, &healthcheck.ReportOptions{
@ -413,9 +422,14 @@ func New(options *Options) *API {
DerpHealth: derphealth.ReportOptions{
DERPMap: api.DERPMap(),
},
WorkspaceProxy: healthcheck.WorkspaceProxyReportOptions{
CurrentVersion: buildinfo.Version(),
WorkspaceProxiesFetchUpdater: *(options.WorkspaceProxiesFetchUpdater).Load(),
},
})
}
}
if options.HealthcheckTimeout == 0 {
options.HealthcheckTimeout = 30 * time.Second
}