hosts: decommission ca host and remove labmon
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Remove the step-ca host and labmon flake input now that ACME has been
migrated to OpenBao PKI.

Removed:
- hosts/ca/ - step-ca host configuration
- services/ca/ - step-ca service module
- labmon flake input and module (no longer used)

Updated:
- flake.nix - removed ca host and labmon references
- flake.lock - removed labmon input
- rebuild-all.sh - removed ca from host list
- CLAUDE.md - updated documentation

Note: secrets/ca/ should be manually removed by the user.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
This commit is contained in:
2026-02-07 18:41:49 +01:00
parent 3a25e3f7bc
commit bdc6057689
13 changed files with 10 additions and 325 deletions

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@@ -1,169 +0,0 @@
{ pkgs, unstable, ... }:
{
homelab.monitoring.scrapeTargets = [{
job_name = "step-ca";
port = 9000;
}];
sops.secrets."ca_root_pw" = {
sopsFile = ../../secrets/ca/secrets.yaml;
owner = "step-ca";
path = "/var/lib/step-ca/secrets/ca_root_pw";
};
sops.secrets."intermediate_ca_key" = {
sopsFile = ../../secrets/ca/keys/intermediate_ca_key;
format = "binary";
owner = "step-ca";
path = "/var/lib/step-ca/secrets/intermediate_ca_key";
};
sops.secrets."root_ca_key" = {
sopsFile = ../../secrets/ca/keys/root_ca_key;
format = "binary";
owner = "step-ca";
path = "/var/lib/step-ca/secrets/root_ca_key";
};
sops.secrets."ssh_host_ca_key" = {
sopsFile = ../../secrets/ca/keys/ssh_host_ca_key;
format = "binary";
owner = "step-ca";
path = "/var/lib/step-ca/secrets/ssh_host_ca_key";
};
sops.secrets."ssh_user_ca_key" = {
sopsFile = ../../secrets/ca/keys/ssh_user_ca_key;
format = "binary";
owner = "step-ca";
path = "/var/lib/step-ca/secrets/ssh_user_ca_key";
};
services.step-ca = {
enable = true;
package = pkgs.step-ca;
intermediatePasswordFile = "/var/lib/step-ca/secrets/ca_root_pw";
address = "0.0.0.0";
port = 443;
settings = {
metricsAddress = ":9000";
authority = {
provisioners = [
{
claims = {
enableSSHCA = true;
maxTLSCertDuration = "3600h";
defaultTLSCertDuration = "48h";
};
encryptedKey = "eyJhbGciOiJQQkVTMi1IUzI1NitBMTI4S1ciLCJjdHkiOiJqd2sranNvbiIsImVuYyI6IkEyNTZHQ00iLCJwMmMiOjYwMDAwMCwicDJzIjoiY1lWOFJPb3lteXFLMWpzcS1WM1ZXQSJ9.WS8tPK-Q4gtnSsw7MhpTzYT_oi-SQx-CsRLh7KwdZnpACtd4YbcOYg.zeyDkmKRx8BIp-eB.OQ8c-KDW07gqJFtEMqHacRBkttrbJRRz0sYR47vQWDCoWhodaXsxM_Bj2pGvUrR26ij1t7irDeypnJoh6WXvUg3n_JaIUL4HgTwKSBrXZKTscXmY7YVmRMionhAb6oS9Jgus9K4QcFDHacC9_WgtGI7dnu3m0G7c-9Ur9dcDfROfyrnAByJp1rSZMzvriQr4t9bNYjDa8E8yu9zq6aAQqF0Xg_AxwiqYqesT-sdcfrxKS61appApRgPlAhW-uuzyY0wlWtsiyLaGlWM7WMfKdHsq-VqcVrI7Gi2i77vi7OqPEberqSt8D04tIri9S_sArKqWEDnBJsL07CC41IY.CqtYfbSa_wlmIsKgNj5u7g";
key = {
alg = "ES256";
crv = "P-256";
kid = "CIjtIe7FNhsNQe1qKGD9Rpj-lrf2ExyTYCXAOd3YDjE";
kty = "EC";
use = "sig";
x = "XRMX-BeobZ-R5-xb-E9YlaRjJUfd7JQxpscaF1NMgFo";
y = "bF9xLp5-jywRD-MugMaOGbpbniPituWSLMlXRJnUUl0";
};
name = "ca@home.2rjus.net";
type = "JWK";
}
{
name = "acme";
type = "ACME";
claims = {
maxTLSCertDuration = "3600h";
defaultTLSCertDuration = "1800h";
};
}
{
claims = {
enableSSHCA = true;
};
name = "sshpop";
type = "SSHPOP";
}
];
};
crt = "/var/lib/step-ca/certs/intermediate_ca.crt";
db = {
badgerFileLoadingMode = "";
dataSource = "/var/lib/step-ca/db";
type = "badgerv2";
};
dnsNames = [
"ca.home.2rjus.net"
"10.69.13.12"
];
federatedRoots = null;
insecureAddress = "";
key = "/var/lib/step-ca/secrets/intermediate_ca_key";
logger = {
format = "text";
};
root = "/var/lib/step-ca/certs/root_ca.crt";
ssh = {
hostKey = "/var/lib/step-ca/secrets/ssh_host_ca_key";
userKey = "/var/lib/step-ca/secrets/ssh_user_ca_key";
};
templates = {
ssh = {
host = [
{
comment = "#";
name = "sshd_config.tpl";
path = "/etc/ssh/sshd_config";
requires = [
"Certificate"
"Key"
];
template = ./templates/ssh/sshd_config.tpl;
type = "snippet";
}
{
comment = "#";
name = "ca.tpl";
path = "/etc/ssh/ca.pub";
template = ./templates/ssh/ca.tpl;
type = "snippet";
}
];
user = [
{
comment = "#";
name = "config.tpl";
path = "~/.ssh/config";
template = ./templates/ssh/config.tpl;
type = "snippet";
}
{
comment = "#";
name = "step_includes.tpl";
path = "\${STEPPATH}/ssh/includes";
template = ./templates/ssh/step_includes.tpl;
type = "prepend-line";
}
{
comment = "#";
name = "step_config.tpl";
path = "ssh/config";
template = ./templates/ssh/step_config.tpl;
type = "file";
}
{
comment = "#";
name = "known_hosts.tpl";
path = "ssh/known_hosts";
template = ./templates/ssh/known_hosts.tpl;
type = "file";
}
];
};
};
tls = {
cipherSuites = [
"TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256"
"TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256"
];
maxVersion = 1.3;
minVersion = 1.2;
renegotiation = false;
};
};
};
}

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@@ -1,14 +0,0 @@
Host *
{{- if or .User.GOOS "none" | eq "windows" }}
{{- if .User.StepBasePath }}
Include "{{ .User.StepBasePath | replace "\\" "/" | trimPrefix "C:" }}/ssh/includes"
{{- else }}
Include "{{ .User.StepPath | replace "\\" "/" | trimPrefix "C:" }}/ssh/includes"
{{- end }}
{{- else }}
{{- if .User.StepBasePath }}
Include "{{.User.StepBasePath}}/ssh/includes"
{{- else }}
Include "{{.User.StepPath}}/ssh/includes"
{{- end }}
{{- end }}

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@@ -1,4 +0,0 @@
@cert-authority * {{.Step.SSH.HostKey.Type}} {{.Step.SSH.HostKey.Marshal | toString | b64enc}}
{{- range .Step.SSH.HostFederatedKeys}}
@cert-authority * {{.Type}} {{.Marshal | toString | b64enc}}
{{- end }}

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@@ -1,4 +0,0 @@
Match all
TrustedUserCAKeys /etc/ssh/ca.pub
HostCertificate /etc/ssh/{{.User.Certificate}}
HostKey /etc/ssh/{{.User.Key}}

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@@ -1,11 +0,0 @@
Match exec "step ssh check-host{{- if .User.Context }} --context {{ .User.Context }}{{- end }} %h"
{{- if .User.User }}
User {{.User.User}}
{{- end }}
{{- if or .User.GOOS "none" | eq "windows" }}
UserKnownHostsFile "{{.User.StepPath}}\ssh\known_hosts"
ProxyCommand C:\Windows\System32\cmd.exe /c step ssh proxycommand{{- if .User.Context }} --context {{ .User.Context }}{{- end }}{{- if .User.Provisioner }} --provisioner {{ .User.Provisioner }}{{- end }} %r %h %p
{{- else }}
UserKnownHostsFile "{{.User.StepPath}}/ssh/known_hosts"
ProxyCommand step ssh proxycommand{{- if .User.Context }} --context {{ .User.Context }}{{- end }}{{- if .User.Provisioner }} --provisioner {{ .User.Provisioner }}{{- end }} %r %h %p
{{- end }}

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@@ -1 +0,0 @@
{{- if or .User.GOOS "none" | eq "windows" }}Include "{{ .User.StepPath | replace "\\" "/" | trimPrefix "C:" }}/ssh/config"{{- else }}Include "{{.User.StepPath}}/ssh/config"{{- end }}