[VAULT-38883] enos: remove Ubuntu 20.04 from the test matrix (#31482)

Ubunut 20.04 is EOL. Per our support and package policies we no longer
need to develop or test for that platform.

Signed-off-by: Ryan Cragun <me@ryan.ec>

enos/enos-dynamic-config.hcl

@@ -14,7 +14,7 @@ globals {
     distro_version_leap     = ["15.6"]
     distro_version_rhel     = ["8.10", "9.5"]
     distro_version_sles     = ["15.6"]
-    distro_version_ubuntu   = ["20.04", "24.04"]
-    upgrade_initial_version = ["1.17.0", "1.17.1", "1.17.2", "1.17.3", "1.17.4", "1.17.5", "1.17.6", "1.18.0-rc1", "1.18.0", "1.18.1", "1.18.2", "1.18.3", "1.18.4", "1.18.5", "1.19.0-rc1", "1.19.0", "1.19.1", "1.19.2"]
+    distro_version_ubuntu   = ["22.04", "24.04"]
+    upgrade_initial_version = ["1.18.0", "1.18.1", "1.18.2", "1.18.3", "1.18.4", "1.18.5", "1.18.6", "1.18.7", "1.18.8", "1.18.9", "1.18.10", "1.18.11", "1.18.12", "1.18.13", "1.19.0", "1.19.1", "1.19.2", "1.19.3", "1.19.4", "1.19.5", "1.19.6", "1.19.7", "1.19.8", "1.20.0", "1.20.1", "1.20.2"]
   }
 }

enos/enos-globals.hcl

@@ -39,7 +39,6 @@ globals {
       "15.6" = ["netcat-openbsd", "openssl", "openldap2-client"]
     }
     ubuntu = {
-      "20.04" = ["netcat", "ldap-utils"]
       "22.04" = ["netcat", "ldap-utils"]
       "24.04" = ["netcat-openbsd", "ldap-utils"]
     }

enos/enos-variables.hcl

@@ -95,7 +95,7 @@ variable "distro_version_sles" {
 variable "distro_version_ubuntu" {
   description = "The version of ubuntu to use"
   type        = string
-  default     = "24.04" // or "20.04", "22.04"
+  default     = "24.04" // or "22.04"
 }
 
 variable "tags" {

enos/enos.vars.hcl

@@ -47,7 +47,7 @@
 // distro_version_sles = "v15_sp5_standard"
 
 // distro_version_ubuntu is the version of ubuntu to use for "distro:ubuntu" variants
-// distro_version_ubuntu = "22.04" // or "20.04"
+// distro_version_ubuntu = "22.04" // or "24.04"
 
 // tags are a map of tags that will be applied to infrastructure resources that
 // support tagging.

enos/modules/artifact/metadata/main.tf

@@ -158,7 +158,6 @@ locals {
       "15.6" = "RHEL/9/${local.release_sub_path_rpm}"
     }
     ubuntu = {
-      "20.04" = local.release_path_deb,
       "22.04" = local.release_path_deb,
       "24.04" = local.release_path_deb,
     }

enos/modules/ec2_info/main.tf

@@ -33,7 +33,6 @@ locals {
         "15.6" = data.aws_ami.sles_15["arm64"].id
       }
       "ubuntu" = {
-        "20.04" = data.aws_ami.ubuntu_2004["arm64"].id
         "22.04" = data.aws_ami.ubuntu_2204["arm64"].id
         "24.04" = data.aws_ami.ubuntu_2404["arm64"].id
       }
@@ -54,7 +53,6 @@ locals {
         "15.6" = data.aws_ami.sles_15["x86_64"].id
       }
       "ubuntu" = {
-        "20.04" = data.aws_ami.ubuntu_2004["x86_64"].id
         "22.04" = data.aws_ami.ubuntu_2204["x86_64"].id
         "24.04" = data.aws_ami.ubuntu_2404["x86_64"].id
       }
@@ -174,28 +172,6 @@ data "aws_ami" "sles_15" {
   owners = [local.suse_owner_id]
 }
 
-data "aws_ami" "ubuntu_2004" {
-  most_recent = true
-  for_each    = local.architectures
-
-  filter {
-    name   = "name"
-    values = ["ubuntu/images/hvm-ssd/ubuntu-*-20.04-*-server-*"]
-  }
-
-  filter {
-    name   = "virtualization-type"
-    values = ["hvm"]
-  }
-
-  filter {
-    name   = "architecture"
-    values = [each.value]
-  }
-
-  owners = [local.canonical_owner_id]
-}
-
 data "aws_ami" "ubuntu_2204" {
   most_recent = true
   for_each    = local.architectures

enos/modules/softhsm_install/main.tf

@@ -47,7 +47,6 @@ locals {
       "9.5"  = ["softhsm", "opensc"]
     }
     ubuntu = {
-      "20.04" = ["softhsm", "opensc"]
       "22.04" = ["softhsm", "opensc"]
       "24.04" = ["softhsm2", "opensc"]
     }
@@ -60,7 +59,6 @@ locals {
       "9.5"  = ["softhsm"]
     }
     ubuntu = {
-      "20.04" = ["softhsm"]
       "22.04" = ["softhsm"]
       "24.04" = ["softhsm2"]
     }

tools/pipeline/internal/pkg/generate/enos_dynamic_config.go

@@ -137,7 +137,7 @@ func (e *EnosDynamicConfigReq) getSampleAttrs(ctx context.Context) (*SampleAttrs
 		DistroVersionLeap:   []string{"15.6"},
 		DistroVersionRhel:   []string{"8.10", "9.5"},
 		DistroVersionSles:   []string{"15.6"},
-		DistroVersionUbuntu: []string{"20.04", "24.04"},
+		DistroVersionUbuntu: []string{"22.04", "24.04"},
 	}
 
 	// Create our initial upgrade version list. We'll find all released versions between N-3 -> Current

tools/pipeline/internal/pkg/generate/enos_dynamic_config_test.go

@@ -232,7 +232,7 @@ func Test_EnosDynamicConfigReq_Run(t *testing.T) {
 							DistroVersionLeap:     []string{"15.6"},
 							DistroVersionRhel:     []string{"8.10", "9.5"},
 							DistroVersionSles:     []string{"15.6"},
-							DistroVersionUbuntu:   []string{"20.04", "24.04"},
+							DistroVersionUbuntu:   []string{"22.04", "24.04"},
 							UpgradeInitialVersion: versions,
 						},
 					},
@@ -254,7 +254,7 @@ globals {
     distro_version_leap     = ["15.6"]
     distro_version_rhel     = ["8.10", "9.5"]
     distro_version_sles     = ["15.6"]
-    distro_version_ubuntu   = ["20.04", "24.04"]
+    distro_version_ubuntu   = ["22.04", "24.04"]
     upgrade_initial_version = ["1.16.6", "1.16.7", "1.16.8", "1.16.9", "1.16.10", "1.17.3", "1.17.4", "1.17.6", "1.18.0-rc1"]
   }
 }