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https://gitlab.com/TECHNOFAB/coder-templates.git
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chore: initial commit
This commit is contained in:
commit
8cf73a70ef
19 changed files with 1004 additions and 0 deletions
121
nix-kubernetes/coder.nix
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121
nix-kubernetes/coder.nix
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@ -0,0 +1,121 @@
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{
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ref,
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utils,
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...
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}: {
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locals."git_repo_folder" = with utils; let
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split_repo = split (quot "") ref.data.coder_parameter.git_repo.value;
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in
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try [
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(element split_repo "${rb (length split_repo)} - 1")
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(quot "")
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];
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data = {
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coder_external_auth."gitlab" = {
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id = "gitlab";
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optional = false;
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};
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coder_workspace."me" = {};
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coder_workspace_owner."me" = {};
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};
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resource = {
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coder_agent."coder" = {
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arch = ref.var.arch;
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os = "linux";
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metadata = [
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{
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display_name = "Container CPU Usage";
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key = "0_cpu_usage";
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script = "coder stat cpu --host=false";
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interval = 10;
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timeout = 1;
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}
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{
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display_name = "Container RAM Usage";
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key = "1_ram_usage";
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script = "coder stat mem --host=false";
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interval = 10;
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timeout = 1;
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}
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{
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display_name = "Home Disk";
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key = "2_home_disk";
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script = "coder stat disk --path $HOME";
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interval = 60;
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timeout = 1;
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}
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{
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display_name = "Nix Store Disk";
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key = "3_nix_store_disk";
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script = "coder stat disk --path /nix";
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interval = 60;
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timeout = 1;
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}
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];
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};
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coder_script."git_clone" = {
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agent_id = ref.coder_agent.coder.id;
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display_name = "Git Clone";
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icon = "/icon/git.svg";
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script = let
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repo = ref.data.coder_parameter.git_repo.value;
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repo_folder = ref.local.git_repo_folder;
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in
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# sh
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''
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mkdir -p ~/repos
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if [ ! -z "${repo}" ]; then
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echo "Cloning repo \"${repo}\" if it does not exist"
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pushd ~/repos >/dev/null
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if [[ ! -d "${repo_folder}" ]] then
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git clone ${repo} ${repo_folder}
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fi
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popd >/dev/null
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else
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echo "No git repo specified, skipping..."
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fi
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'';
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run_on_start = true;
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start_blocks_login = true;
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};
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coder_script."home-manager" = {
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agent_id = ref.coder_agent.coder.id;
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display_name = "Home Manager";
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icon = "/emojis/1f3e0.png";
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script =
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# sh
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''
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if [ ! -z "$DOTFILES_REPO" ]; then
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echo "Dotfiles present, reloading home-manager profile"
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reload-dotfiles
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# the homeConfiguration can specify a program "coder_startup", run it
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# here if it exists
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if command -v coder_startup &> /dev/null; then
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echo "Running startup tasks..."
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coder_startup
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fi
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else
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echo "No dotfiles repo specified, skipping..."
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fi
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'';
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run_on_start = true;
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start_blocks_login = true;
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};
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coder_script."home-manager-shutdown" = {
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agent_id = ref.coder_agent.coder.id;
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display_name = "Home Manager Shutdown";
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icon = "/emojis/1f3e0.png";
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script =
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# sh
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''
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if command -v coder_shutdown &> /dev/null; then
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echo "Running shutdown tasks..."
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coder_shutdown
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fi
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'';
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run_on_stop = true;
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};
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};
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}
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8
nix-kubernetes/default.nix
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8
nix-kubernetes/default.nix
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{
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imports = [
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./parameters.nix
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./variables.nix
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./coder.nix
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./kubernetes.nix
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];
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}
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216
nix-kubernetes/kubernetes.nix
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216
nix-kubernetes/kubernetes.nix
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{
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ref,
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utils,
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...
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}: let
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identifier = with utils; "${lower ref.data.coder_workspace_owner.me.name}-${lower ref.data.coder_workspace.me.name}";
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in {
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resource = {
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kubernetes_pod."workspace" = {
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count = ref.data.coder_workspace.me.start_count;
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metadata = [
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{
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name = "coder-${identifier}";
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namespace = ref.var.namespace;
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annotations."com.coder.user.email" = ref.data.coder_workspace_owner.me.email;
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labels = {
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"app.kubernetes.io/instance" = "coder-workspace-${identifier}";
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"app.kubernetes.io/name" = "coder-workspace";
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"app.kubernetes.io/part-of" = "coder";
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"com.coder.resource" = "true";
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"com.coder.user.id" = ref.data.coder_workspace_owner.me.id;
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"com.coder.user.name" = ref.data.coder_workspace_owner.me.name;
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"com.coder.workspace.id" = ref.data.coder_workspace.me.id;
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"com.coder.workspace.name" = ref.data.coder_workspace.me.name;
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};
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}
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];
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# give the shutdown tasks enough time to run
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timeouts.delete = "31m";
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spec = [
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{
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termination_grace_period_seconds = 1800;
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affinity.pod_anti_affinity.preferred_during_scheduling_ignored_during_execution = {
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weight = 1;
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pod_affinity_term = {
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topology_key = "kubernetes.io/hostname";
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label_selector.match_expressions = {
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key = "app.kubernetes.io/name";
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operator = "In";
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values = ["coder-workspace"];
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};
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};
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};
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init_container = [
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{
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name = "chown";
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image = "alpine:3";
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command = ["chown" "1000:1000" "/mnt/nix" "/mnt/tmp" "/mnt/home"];
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security_context.run_as_user = "0";
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volume_mount = [
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{
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mount_path = "/mnt/home";
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name = "home";
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read_only = false;
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}
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{
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mount_path = "/mnt/nix";
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name = "nix-store";
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read_only = false;
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}
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{
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mount_path = "/mnt/tmp";
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name = "tmp";
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read_only = false;
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}
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];
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}
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{
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name = "copy-nix-store";
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image = "registry.gitlab.com/technofab/coder-templates/nix-coder-image:${ref.data.coder_parameter.image_tag.value}";
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command = ["cp" "-nR" "/nix/." "/pv_nix"];
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security_context.run_as_user = "1000";
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volume_mount = [
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{
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mount_path = "/pv_nix";
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name = "nix-store";
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read_only = false;
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}
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];
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}
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];
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container = [
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{
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name = "workspace";
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image = "registry.gitlab.com/technofab/coder-templates/nix-coder-image:${ref.data.coder_parameter.image_tag.value}";
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command = ["/bin/sh" "-c" "${ref.coder_agent.coder.init_script}"];
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env = [
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{
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name = "CODER_AGENT_TOKEN";
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value = ref.coder_agent.coder.token;
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}
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{
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name = "DOTFILES_REPO";
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value = ref.data.coder_parameter.dotfiles_repo.value;
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}
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{
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name = "TZ";
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value = ref.data.coder_parameter.timezone.value;
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}
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{
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name = "NIX_CONFIG";
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value = ref.data.coder_parameter.nix_config.value;
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}
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];
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resources = {
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requests = {
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cpu = ref.var.cpu_request;
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memory = ref.var.memory_request;
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};
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limits = {
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cpu = ref.data.coder_parameter.cpu.value;
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memory = ref.data.coder_parameter.memory.value;
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};
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};
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security_context = {
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run_as_user = "1000";
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run_as_group = "1000";
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};
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volume_mount = [
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{
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mount_path = "/home";
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name = "home";
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read_only = false;
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}
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{
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mount_path = "/nix";
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name = "nix-store";
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read_only = false;
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}
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{
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mount_path = "/tmp";
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name = "tmp";
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read_only = false;
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}
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];
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}
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];
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security_context = {
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run_as_user = "1000";
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run_as_group = "1000";
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};
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volume = [
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{
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name = "home";
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persistent_volume_claim.claim_name = ref.kubernetes_persistent_volume_claim.home.metadata ".0.name";
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}
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{
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name = "nix-store";
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persistent_volume_claim.claim_name = ref.kubernetes_persistent_volume_claim.nix-store.metadata ".0.name";
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}
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{
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name = "tmp";
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empty_dir = {
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medium = "Memory";
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# not used for now
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# sizeLimit = "200Mi";
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};
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}
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];
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}
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];
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};
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kubernetes_persistent_volume_claim."home" = {
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metadata = [
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{
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name = "coder-home-${identifier}";
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namespace = ref.var.namespace;
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annotations."com.coder.user.email" = ref.data.coder_workspace_owner.me.email;
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labels = {
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"app.kubernetes.io/instance" = "coder-pvc-home-${identifier}";
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"app.kubernetes.io/name" = "coder-pvc";
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"app.kubernetes.io/part-of" = "coder";
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"com.coder.resource" = "true";
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"com.coder.user.id" = ref.data.coder_workspace_owner.me.id;
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"com.coder.user.name" = ref.data.coder_workspace_owner.me.name;
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"com.coder.workspace.id" = ref.data.coder_workspace.me.id;
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"com.coder.workspace.name" = ref.data.coder_workspace.me.name;
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};
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}
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];
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spec = [
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{
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access_modes = ["ReadWriteOnce"];
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resources.requests.storage = "${ref.data.coder_parameter.home_disk_size.value}Gi";
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}
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];
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wait_until_bound = false;
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};
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kubernetes_persistent_volume_claim."nix-store" = {
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metadata = [
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{
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name = "coder-nix-store-${identifier}";
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namespace = ref.var.namespace;
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annotations."com.coder.user.email" = ref.data.coder_workspace_owner.me.email;
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labels = {
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"app.kubernetes.io/instance" = "coder-pvc-nix-store-${identifier}";
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"app.kubernetes.io/name" = "coder-pvc";
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"app.kubernetes.io/part-of" = "coder";
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"com.coder.resource" = "true";
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"com.coder.user.id" = ref.data.coder_workspace_owner.me.id;
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"com.coder.user.name" = ref.data.coder_workspace_owner.me.name;
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"com.coder.workspace.id" = ref.data.coder_workspace.me.id;
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"com.coder.workspace.name" = ref.data.coder_workspace.me.name;
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};
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}
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];
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spec = [
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{
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access_modes = ["ReadWriteOnce"];
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resources.requests.storage = "${ref.data.coder_parameter.nix_store_disk_size.value}Gi";
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}
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];
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wait_until_bound = false;
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};
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};
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}
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112
nix-kubernetes/parameters.nix
Normal file
112
nix-kubernetes/parameters.nix
Normal file
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@ -0,0 +1,112 @@
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{
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data.coder_parameter = {
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"dotfiles_repo" = {
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name = "Dotfiles Repository (passed to home-manager)";
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description = ''
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Nix flake URI to your dotfiles repository, eg.
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github:example/dotfiles#coder
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Your flake.nix has to expose a homeManagerConfiguration.coder in this case.
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'';
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default = "";
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order = 1;
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type = "string";
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mutable = true;
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};
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"git_repo" = {
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name = "Git Repository";
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description = ''
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URI for a git repository which should automatically be cloned to ~/repos/<name>
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'';
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default = "";
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order = 2;
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type = "string";
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mutable = true;
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};
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"image_tag" = {
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name = "Image Tag";
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description = ''
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Which container image tag should be used.
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'';
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default = "latest";
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order = 3;
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type = "string";
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mutable = true;
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};
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"cpu" = {
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name = "CPU";
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description = ''
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CPU Limit for Kubernetes Pod. Kubernetes Notation (eg. 500m)
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'';
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default = "500m";
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order = 4;
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type = "string";
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mutable = true;
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};
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"memory" = {
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name = "Memory";
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description = ''
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Memory Limit for Kubernetes Pod. Kubernetes Notation (eg. 1Gi)
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'';
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default = "1Gi";
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order = 5;
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type = "string";
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mutable = true;
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};
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"home_disk_size" = {
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name = "Home Disk Size";
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description = ''
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Size for the /home PV in GB
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'';
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default = "5";
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order = 6;
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type = "number";
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mutable = true;
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validation = [
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{
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min = 1;
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max = 100;
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monotonic = "increasing";
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}
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||||
];
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};
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"nix_store_disk_size" = {
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name = "Nix Store Disk Size";
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description = ''
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Size for the /nix PV in GB. This might grow pretty big.
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'';
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||||
default = "5";
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||||
order = 7;
|
||||
type = "number";
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mutable = true;
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||||
validation = [
|
||||
{
|
||||
min = 1;
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||||
max = 100;
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||||
monotonic = "increasing";
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||||
}
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||||
];
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||||
};
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||||
"timezone" = {
|
||||
name = "Timezone";
|
||||
description = ''
|
||||
Content of the TZ environment variable.
|
||||
'';
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default = "";
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||||
order = 8;
|
||||
type = "string";
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||||
mutable = true;
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||||
};
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||||
"nix_config" = {
|
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name = "Nix Config";
|
||||
description = ''
|
||||
Nix config, will be put into $NIX_CONFIG
|
||||
'';
|
||||
default = "";
|
||||
order = 9;
|
||||
type = "string";
|
||||
form_type = "textarea";
|
||||
mutable = true;
|
||||
};
|
||||
};
|
||||
}
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||||
26
nix-kubernetes/variables.nix
Normal file
26
nix-kubernetes/variables.nix
Normal file
|
|
@ -0,0 +1,26 @@
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|||
{
|
||||
variable = {
|
||||
"namespace" = {
|
||||
type = "string";
|
||||
description = "Kubernetes namespace (must exist prior to creating workspaces)";
|
||||
};
|
||||
"arch" = {
|
||||
type = "string";
|
||||
description = "Architecture of the host";
|
||||
validation = {
|
||||
condition = ''''${contains(["amd64", "arm64"], var.arch)}'';
|
||||
error_message = "Invalid architecture selected";
|
||||
};
|
||||
};
|
||||
"cpu_request" = {
|
||||
type = "string";
|
||||
description = "CPU request to apply to workspaces. Kubernetes Notation (eg. 500m)";
|
||||
default = "0";
|
||||
};
|
||||
"memory_request" = {
|
||||
type = "string";
|
||||
description = "Memory request to apply to workspaces. Kubernetes Notation (eg. 1Gi)";
|
||||
default = "0";
|
||||
};
|
||||
};
|
||||
}
|
||||
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