dogfood: dynamically pull image (#3864)

ammario · web-flow · commit 1a5d3eace456 · 2022-09-04T21:06:36.000Z
Previously, the template would never pull new image updates.
diff --git a/dogfood/main.tf b/dogfood/main.tf
@@ -6,7 +6,7 @@ terraform {
     }
     docker = {
       source  = "kreuzwerker/docker"
-      version = "~> 2.18.0"
+      version = "~> 2.20.0"
     }
   }
 }
@@ -52,18 +52,25 @@ resource "docker_volume" "home_volume" {
 resource "coder_metadata" "home_info" {
   resource_id = docker_volume.home_volume.id
   item {
-    key = "🤫🤫🤫<br/><br/>"
-    value = "❤️❤️❤️"
+    key       = "🤫🤫🤫<br/><br/>"
+    value     = "❤️❤️❤️"
     sensitive = true
   }
 }
 
 
+data "docker_registry_image" "dogfood" {
+  name = "codercom/oss-dogfood:main"
+}
 
+resource "docker_image" "dogfood" {
+  name          = data.docker_registry_image.dogfood.name
+  pull_triggers = [data.docker_registry_image.dogfood.sha256_digest]
+}
 
 resource "docker_container" "workspace" {
   count = data.coder_workspace.me.start_count
-  image = "docker.io/codercom/oss-dogfood:main"
+  image = docker_image.dogfood.name
   # Uses lower() to avoid Docker restriction on container names.
   name = "coder-${data.coder_workspace.me.owner}-${lower(data.coder_workspace.me.name)}"
   # Hostname makes the shell more user friendly: coder@my-workspace:~$
@@ -93,14 +100,14 @@ resource "docker_container" "workspace" {
 }
 
 resource "coder_metadata" "container_info" {
-  count = data.coder_workspace.me.start_count
+  count       = data.coder_workspace.me.start_count
   resource_id = docker_container.workspace[0].id
   item {
-    key = "memory"
+    key   = "memory"
     value = docker_container.workspace[0].memory
   }
   item {
-    key = "runtime"
+    key   = "runtime"
     value = docker_container.workspace[0].runtime
   }
 }

Original file line number	Diff line number	Diff line change
`@@ -6,7 +6,7 @@ terraform {`
`6`	`6`	`}`
`7`	`7`	`docker = {`
`8`	`8`	`source = "kreuzwerker/docker"`
`9`		`- version = "~> 2.18.0"`
	`9`	`+ version = "~> 2.20.0"`
`10`	`10`	`}`
`11`	`11`	`}`
`12`	`12`	`}`
`@@ -52,18 +52,25 @@ resource "docker_volume" "home_volume" {`
`52`	`52`	`resource "coder_metadata" "home_info" {`
`53`	`53`	`resource_id = docker_volume.home_volume.id`
`54`	`54`	`item {`
`55`		`- key = "🤫🤫🤫<br/><br/>"`
`56`		`- value = "❤️❤️❤️"`
	`55`	`+ key = "🤫🤫🤫<br/><br/>"`
	`56`	`+ value = "❤️❤️❤️"`
`57`	`57`	`sensitive = true`
`58`	`58`	`}`
`59`	`59`	`}`
`60`	`60`
`61`	`61`
	`62`	`+data "docker_registry_image" "dogfood" {`
	`63`	`+ name = "codercom/oss-dogfood:main"`
	`64`	`+}`
`62`	`65`
	`66`	`+resource "docker_image" "dogfood" {`
	`67`	`+ name = data.docker_registry_image.dogfood.name`
	`68`	`+ pull_triggers = [data.docker_registry_image.dogfood.sha256_digest]`
	`69`	`+}`
`63`	`70`
`64`	`71`	`resource "docker_container" "workspace" {`
`65`	`72`	`count = data.coder_workspace.me.start_count`
`66`		`- image = "docker.io/codercom/oss-dogfood:main"`
	`73`	`+ image = docker_image.dogfood.name`
`67`	`74`	`# Uses lower() to avoid Docker restriction on container names.`
`68`	`75`	`name = "coder-${data.coder_workspace.me.owner}-${lower(data.coder_workspace.me.name)}"`
`69`	`76`	`# Hostname makes the shell more user friendly: coder@my-workspace:~$`
`@@ -93,14 +100,14 @@ resource "docker_container" "workspace" {`
`93`	`100`	`}`
`94`	`101`
`95`	`102`	`resource "coder_metadata" "container_info" {`
`96`		`- count = data.coder_workspace.me.start_count`
	`103`	`+ count = data.coder_workspace.me.start_count`
`97`	`104`	`resource_id = docker_container.workspace[0].id`
`98`	`105`	`item {`
`99`		`- key = "memory"`
	`106`	`+ key = "memory"`
`100`	`107`	`value = docker_container.workspace[0].memory`
`101`	`108`	`}`
`102`	`109`	`item {`
`103`		`- key = "runtime"`
	`110`	`+ key = "runtime"`
`104`	`111`	`value = docker_container.workspace[0].runtime`
`105`	`112`	`}`
`106`	`113`	`}`