feat(linux): onboard Ubuntu 26.04 minimal image builds for AMD64 + ARM64

.github/workflows/no-sudo-check.yml

@@ -15,6 +15,7 @@ jobs:
           | grep -v ':[[:space:]]*#' \
           | grep -v 'sudo\.log' \
           | grep -v 'sudoers' \
+          | grep -v 'update-alternatives' \
           | grep -v 'logrotate\.d/sudo' || true)
         if [ -n "$matches" ]; then
           echo "::error::Found sudo command invocations in CSE provisioning scripts."

.pipelines/.vsts-vhd-builder-release.yaml

@@ -117,12 +117,12 @@ parameters:
     displayName: Build 2204 TL Gen2 Containerd
     type: boolean
     default: true
-  - name: build2204minimalgen1containerd
-    displayName: Build 2204 Minimal Gen1 Containerd
+  - name: build2604minimalgen2containerd
+    displayName: Build 2604 Minimal Gen2 Containerd
     type: boolean
     default: false
-  - name: build2204minimalgen2containerd
-    displayName: Build 2204 Minimal Gen2 Containerd
+  - name: build2604minimalarm64gen2containerd
+    displayName: Build 2604 Minimal ARM64 Gen2 Containerd
     type: boolean
     default: false
   - name: buildacltlgen2
@@ -763,21 +763,21 @@ stages:
               useOverrides: ${{ parameters.useOverrides }}
               overrideBranch: ${{ parameters.overrideBranch }}
               artifactName: 2204-tl-gen2-containerd
-      - job: build2204minimalgen1containerd
-        condition: eq('${{ parameters.build2204minimalgen1containerd }}', true)
+      - job: build2604minimalgen2containerd
+        condition: eq('${{ parameters.build2604minimalgen2containerd }}', true)
         dependsOn: [ ]
         timeoutInMinutes: 360
         steps:
           - bash: |
               echo '##vso[task.setvariable variable=OS_SKU]Ubuntu'
-              echo '##vso[task.setvariable variable=OS_VERSION]22.04'
+              echo '##vso[task.setvariable variable=OS_VERSION]26.04'
               echo '##vso[task.setvariable variable=IMG_PUBLISHER]Canonical'
-              echo '##vso[task.setvariable variable=IMG_OFFER]0001-com-ubuntu-minimal-jammy-aks-daily-preview'
-              echo '##vso[task.setvariable variable=IMG_SKU]minimal-aks-22_04-daily-lts'
+              echo '##vso[task.setvariable variable=IMG_OFFER]ubuntu-26_04-lts'
+              echo '##vso[task.setvariable variable=IMG_SKU]minimal'
               echo '##vso[task.setvariable variable=IMG_VERSION]latest'
-              echo '##vso[task.setvariable variable=HYPERV_GENERATION]V1'
+              echo '##vso[task.setvariable variable=HYPERV_GENERATION]V2'
               echo '##vso[task.setvariable variable=AZURE_VM_SIZE]Standard_D16ds_v5'
-              echo '##vso[task.setvariable variable=FEATURE_FLAGS]None'
+              echo '##vso[task.setvariable variable=FEATURE_FLAGS]minimal'
               echo '##vso[task.setvariable variable=ARCHITECTURE]X86_64'
               echo '##vso[task.setvariable variable=ENABLE_FIPS]False'
               echo '##vso[task.setvariable variable=ENABLE_TRUSTED_LAUNCH]False'
@@ -786,31 +786,31 @@ stages:
             parameters:
               useOverrides: ${{ parameters.useOverrides }}
               overrideBranch: ${{ parameters.overrideBranch }}
-              artifactName: 2204-minimal-gen1-containerd
-      - job: build2204minimalgen2containerd
-        condition: eq('${{ parameters.build2204minimalgen2containerd }}', true)
+              artifactName: 2604-minimal-gen2-containerd
+      - job: build2604minimalarm64gen2containerd
+        condition: eq('${{ parameters.build2604minimalarm64gen2containerd }}', true)
         dependsOn: [ ]
         timeoutInMinutes: 360
         steps:
           - bash: |
               echo '##vso[task.setvariable variable=OS_SKU]Ubuntu'
-              echo '##vso[task.setvariable variable=OS_VERSION]22.04'
+              echo '##vso[task.setvariable variable=OS_VERSION]26.04'
               echo '##vso[task.setvariable variable=IMG_PUBLISHER]Canonical'
-              echo '##vso[task.setvariable variable=IMG_OFFER]0001-com-ubuntu-minimal-jammy-aks-daily-preview'
-              echo '##vso[task.setvariable variable=IMG_SKU]minimal-aks-22_04-daily-lts-gen2'
+              echo '##vso[task.setvariable variable=IMG_OFFER]ubuntu-26_04-lts'
+              echo '##vso[task.setvariable variable=IMG_SKU]minimal-arm64'
               echo '##vso[task.setvariable variable=IMG_VERSION]latest'
               echo '##vso[task.setvariable variable=HYPERV_GENERATION]V2'
-              echo '##vso[task.setvariable variable=AZURE_VM_SIZE]Standard_D16ds_v5'
-              echo '##vso[task.setvariable variable=FEATURE_FLAGS]None'
-              echo '##vso[task.setvariable variable=ARCHITECTURE]X86_64'
+              echo '##vso[task.setvariable variable=AZURE_VM_SIZE]Standard_D16pds_v5'
+              echo '##vso[task.setvariable variable=FEATURE_FLAGS]minimal'
+              echo '##vso[task.setvariable variable=ARCHITECTURE]ARM64'
               echo '##vso[task.setvariable variable=ENABLE_FIPS]False'
               echo '##vso[task.setvariable variable=ENABLE_TRUSTED_LAUNCH]False'
             displayName: Setup Build Variables
           - template: ./templates/.builder-release-template.yaml
             parameters:
               useOverrides: ${{ parameters.useOverrides }}
               overrideBranch: ${{ parameters.overrideBranch }}
-              artifactName: 2204-minimal-gen2-containerd
+              artifactName: 2604-minimal-arm64-gen2-containerd
       - job: buildacltlgen2
         condition: eq('${{ parameters.buildacltlgen2 }}', true)
         dependsOn: [ ]

.pipelines/templates/.builder-release-template.yaml

@@ -75,12 +75,12 @@ steps:
 
   - bash: |
       SKU_NAME=${OS_VERSION} && \
+      if grep -q "minimal" <<< "$FEATURE_FLAGS"; then SKU_NAME="${SKU_NAME}minimal"; fi && \
       if [[ "${HYPERV_GENERATION,,}" == "v2" ]]; then SKU_NAME="${SKU_NAME}gen2"; fi && \
       if [[ "${ARCHITECTURE,,}" == "arm64" ]]; then SKU_NAME="${SKU_NAME}arm64"; fi && \
       if grep -q "NVIDIA_GB" <<< "$FEATURE_FLAGS"; then SKU_NAME="${SKU_NAME}gb"; fi && \
       if [[ "${ENABLE_FIPS,,}" == "true" ]]; then SKU_NAME="${SKU_NAME}fips"; fi && \
       if grep -q "cvm" <<< "$FEATURE_FLAGS"; then SKU_NAME="${SKU_NAME}CVM"; fi && \
-      if [[ "${IMG_SKU}" == *"minimal"* ]]; then SKU_NAME="${SKU_NAME}minimal"; fi && \
       if [[ "${ENABLE_TRUSTED_LAUNCH}" == "True" ]]; then SKU_NAME="${SKU_NAME}TL"; fi && \
       if [[ ${OS_SKU} != "CBLMariner" && ${OS_SKU} != "AzureLinux" && ${OS_SKU} != "AzureLinuxOSGuard" && ${OS_SKU} != "Flatcar" && ${OS_SKU} != "AzureContainerLinux" ]]; then SKU_NAME="${SKU_NAME}containerd"; fi && \
       SKU_NAME=$(echo ${SKU_NAME} | tr -d '.') && \
@@ -97,7 +97,7 @@ steps:
         make -f packer.mk run-packer
     condition: ne(variables['BUILDER'], 'imagecustomizer')
     displayName: Build VHD
-    retryCountOnTaskFailure: 3
+    # retryCountOnTaskFailure: 3
     env:
       OS_TYPE: Linux
       GIT_VERSION: $(Build.SourceVersion)
@@ -404,6 +404,7 @@ steps:
       TargetFolder: '$(Build.ArtifactStagingDirectory)'
 
   - task: PublishPipelineArtifact@0
+    condition: always()
     displayName: Publish Release Notes
     inputs:
       artifactName: 'vhd-release-notes-${{ parameters.artifactName }}'

e2e/components/components_test.go

@@ -125,6 +125,13 @@ func TestDCGMExporterCompatibility(t *testing.T) {
 			downloadURL: "https://packages.microsoft.com/repos/microsoft-ubuntu-noble-prod/pool/main/d/dcgm-exporter/dcgm-exporter_%s_amd64.deb",
 			parseDeps:   parseDebDeps,
 		},
+		{
+			name:        "Ubuntu2604",
+			os:          "ubuntu",
+			osVersion:   "r2604",
+			downloadURL: "https://packages.microsoft.com/repos/microsoft-ubuntu-resolute-prod/pool/main/d/dcgm-exporter/dcgm-exporter_%s_amd64.deb",
+			parseDeps:   parseDebDeps,
+		},
 		{
 			name:        "AzureLinux3",
 			os:          "azurelinux",

e2e/config/vhd.go

@@ -171,6 +171,22 @@ var (
 		Gallery: imageGalleryLinux,
 	}
 
+	VHDUbuntu2604MinimalGen2Containerd = &Image{
+		Name:    "2604minimalgen2containerd",
+		OS:      OSUbuntu,
+		Arch:    "amd64",
+		Distro:  datamodel.AKSUbuntuMinimalContainerd2604Gen2,
+		Gallery: imageGalleryLinux,
+	}
+
+	VHDUbuntu2604MinimalArm64Gen2Containerd = &Image{
+		Name:    "2604minimalgen2arm64containerd",
+		OS:      OSUbuntu,
+		Arch:    "arm64",
+		Distro:  datamodel.AKSUbuntuMinimalArm64Containerd2604Gen2,
+		Gallery: imageGalleryLinux,
+	}
+
 	VHDAzureLinuxV3Gen2Arm64 = &Image{
 		Name:         "azurelinuxv3gen2arm64",
 		OS:           OSAzureLinux,