feat!: extract provisioner tags from coder_workspace_tags data source (#15578)

Relates to https://github.com/coder/coder/issues/15087 and
https://github.com/coder/coder/issues/15427

- Extracts provisioner job tags from `coder_workspace_tags` on template
version creation using `provisioner/terraform/tfparse` added in
https://github.com/coder/coder/pull/15236
- Drops a WARN log in coderd if no matching provisioners found.
- Also drops a warning message in the CLI if no provisioners are found.
- To support both CLI and UI warnings, added a
`codersdk.MatchedProvisioners` struct to the `TemplateVersion` response
containing details of how many provisioners were around at the time of
the insert.

Co-authored-by: Mathias Fredriksson <mafredri@gmail.com>

codersdk/provisionerdaemons.go

@@ -51,6 +51,22 @@ type ProvisionerDaemon struct {
 	Tags           map[string]string `json:"tags"`
 }
 
+// MatchedProvisioners represents the number of provisioner daemons
+// available to take a job at a specific point in time.
+type MatchedProvisioners struct {
+	// Count is the number of provisioner daemons that matched the given
+	// tags. If the count is 0, it means no provisioner daemons matched the
+	// requested tags.
+	Count int `json:"count"`
+	// Available is the number of provisioner daemons that are available to
+	// take jobs. This may be less than the count if some provisioners are
+	// busy or have been stopped.
+	Available int `json:"available"`
+	// MostRecentlySeen is the most recently seen time of the set of matched
+	// provisioners. If no provisioners matched, this field will be null.
+	MostRecentlySeen NullTime `json:"most_recently_seen,omitempty" format:"date-time"`
+}
+
 // ProvisionerJobStatus represents the at-time state of a job.
 type ProvisionerJobStatus string
 

codersdk/templateversions.go

@@ -31,7 +31,8 @@ type TemplateVersion struct {
 	CreatedBy      MinimalUser    `json:"created_by"`
 	Archived       bool           `json:"archived"`
 
-	Warnings []TemplateVersionWarning `json:"warnings,omitempty" enums:"DEPRECATED_PARAMETERS"`
+	Warnings            []TemplateVersionWarning `json:"warnings,omitempty" enums:"DEPRECATED_PARAMETERS"`
+	MatchedProvisioners MatchedProvisioners      `json:"matched_provisioners,omitempty"`
 }
 
 type TemplateVersionExternalAuth struct {