From 743b54d42ed76380d065f9156cbff688efa3c785 Mon Sep 17 00:00:00 2001
From: Lars Francke <lars.francke@gmail.com>
Date: Fri, 20 Aug 2021 12:27:42 +0200
Subject: [PATCH] CLI handling for CRDs, dep updates, diagnostic startup
 information

---
 Cargo.lock                       | 256 +++++++++++++++++++++----------
 crd/Cargo.toml                   |   8 +-
 crd/src/bin/generate_crds.rs     |  10 --
 deploy/crd/kafkacluster.crd.yaml |   2 +-
 operator/Cargo.toml              |   6 +-
 operator/src/lib.rs              |  14 +-
 server/Cargo.toml                |  10 +-
 server/build.rs                  |  11 ++
 server/src/main.rs               |  47 +++++-
 9 files changed, 246 insertions(+), 118 deletions(-)
 delete mode 100644 crd/src/bin/generate_crds.rs
 create mode 100644 server/build.rs

diff --git a/Cargo.lock b/Cargo.lock
index 91a33fab..3d5e5624 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -76,9 +76,20 @@ checksum = "904dfeac50f3cdaba28fc6f57fdcddb75f49ed61346676a78c4ffe55877802fd"
 
 [[package]]
 name = "bitflags"
-version = "1.2.1"
+version = "1.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cf1de2fe8c75bc145a2f577add951f8134889b4795d47466a54a5c846d691693"
+checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"
+
+[[package]]
+name = "built"
+version = "0.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4f346b6890a0dfa7266974910e7df2d5088120dd54721b9b0e5aae1ae5e05715"
+dependencies = [
+ "cargo-lock",
+ "chrono",
+ "git2",
+]
 
 [[package]]
 name = "bumpalo"
@@ -92,11 +103,26 @@ version = "1.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b700ce4376041dcd0a327fd0097c41095743c4c8af8887265942faf1100bd040"
 
+[[package]]
+name = "cargo-lock"
+version = "7.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7fb04b88bd5b2036e30704f95c6ee16f3b5ca3b4ca307da2889d9006648e5c88"
+dependencies = [
+ "semver",
+ "serde",
+ "toml",
+ "url",
+]
+
 [[package]]
 name = "cc"
 version = "1.0.69"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e70cc2f62c6ce1868963827bd677764c62d07c3d9a3e1fb1177ee1a9ab199eb2"
+dependencies = [
+ "jobserver",
+]
 
 [[package]]
 name = "cfg-if"
@@ -135,9 +161,9 @@ dependencies = [
 
 [[package]]
 name = "const_format"
-version = "0.2.14"
+version = "0.2.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c75ea7d6aeb2ebd1ee24f7b7e1b23242ef5a56b3a693733b99bfbe5ef31d0306"
+checksum = "49aad96768495418a04c9349327f32f2cd7e9bf8ac6b142534466048721c8ff5"
 dependencies = [
  "const_format_proc_macros",
 ]
@@ -479,6 +505,19 @@ dependencies = [
  "wasi",
 ]
 
+[[package]]
+name = "git2"
+version = "0.13.21"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "659cd14835e75b64d9dba5b660463506763cf0aa6cb640aeeb0e98d841093490"
+dependencies = [
+ "bitflags",
+ "libc",
+ "libgit2-sys",
+ "log",
+ "url",
+]
+
 [[package]]
 name = "hashbrown"
 version = "0.11.2"
@@ -516,9 +555,9 @@ dependencies = [
 
 [[package]]
 name = "http-body"
-version = "0.4.2"
+version = "0.4.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "60daa14be0e0786db0f03a9e57cb404c9d756eed2b6c62b9ea98ec5743ec75a9"
+checksum = "399c583b2979440c60be0821a6199eca73bc3c8dcd9d070d75ac726e2c6186e5"
 dependencies = [
  "bytes",
  "http",
@@ -527,9 +566,9 @@ dependencies = [
 
 [[package]]
 name = "httparse"
-version = "1.4.1"
+version = "1.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f3a87b616e37e93c22fb19bcd386f02f3af5ea98a25670ad0fce773de23c5e68"
+checksum = "acd94fdbe1d4ff688b67b04eee2e17bd50995534a61539e45adfefb45e5e5503"
 
 [[package]]
 name = "httpdate"
@@ -539,9 +578,9 @@ checksum = "6456b8a6c8f33fee7d958fcd1b60d55b11940a79e63ae87013e6d22e26034440"
 
 [[package]]
 name = "hyper"
-version = "0.14.10"
+version = "0.14.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7728a72c4c7d72665fde02204bcbd93b247721025b222ef78606f14513e0fd03"
+checksum = "0b61cf2d1aebcf6e6352c97b81dc2244ca29194be1b276f5d8ad5c6330fffb11"
 dependencies = [
  "bytes",
  "futures-channel",
@@ -655,11 +694,20 @@ dependencies = [
  "regex",
 ]
 
+[[package]]
+name = "jobserver"
+version = "0.1.24"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "af25a77299a7f711a01975c35a6a424eb6862092cc2d6c72c4ed6cbc56dfc1fa"
+dependencies = [
+ "libc",
+]
+
 [[package]]
 name = "js-sys"
-version = "0.3.51"
+version = "0.3.53"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "83bdfbace3a0e81a4253f73b49e960b053e396a11012cbd49b9b74d6a2b67062"
+checksum = "e4bf49d50e2961077d9c99f4b7997d770a1114f087c3c2e0069b36c13fc2979d"
 dependencies = [
  "wasm-bindgen",
 ]
@@ -702,9 +750,9 @@ dependencies = [
 
 [[package]]
 name = "kube"
-version = "0.57.0"
+version = "0.58.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8152fba26129a09bf30179092753b399760a305a218b8bc558f9a2087b5c1d70"
+checksum = "21d3c79fb97a822a63ce9422f7302484748032c808954898ba248705e99ea110"
 dependencies = [
  "base64",
  "bytes",
@@ -724,7 +772,7 @@ dependencies = [
  "kube-derive",
  "openssl",
  "pem",
- "pin-project 1.0.7",
+ "pin-project 1.0.8",
  "rustls",
  "rustls-pemfile",
  "serde",
@@ -742,9 +790,9 @@ dependencies = [
 
 [[package]]
 name = "kube-core"
-version = "0.57.0"
+version = "0.58.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "36b767df01404bb99fb75ac2ceded28ce34c30fdcffbb4346e2c44d30756bfba"
+checksum = "ffbce0d890efc42abb31e974419e25a643a97ab7c6b3b9498bda686d10b55f8d"
 dependencies = [
  "form_urlencoded",
  "http",
@@ -757,9 +805,9 @@ dependencies = [
 
 [[package]]
 name = "kube-derive"
-version = "0.57.0"
+version = "0.58.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b6d0e5489859d9430689f64e69cacc9bf8cb68556f436c73a6a308d4e256b7a0"
+checksum = "95a28be5ca4f233b5dd872f426fdc75d6765c34576b590c44564982c05fdb400"
 dependencies = [
  "darling",
  "proc-macro2",
@@ -770,21 +818,24 @@ dependencies = [
 
 [[package]]
 name = "kube-runtime"
-version = "0.57.0"
+version = "0.58.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f8358421de932e06d0521700fc8ecfc7058c95509e0770d2da88be78cd737c07"
+checksum = "a4f034d330a0849e1603e285389e3f0ed93b9a86017d46e851c9e49e6d0b99e2"
 dependencies = [
  "dashmap",
  "derivative",
  "futures",
+ "json-patch",
  "k8s-openapi",
  "kube",
- "pin-project 1.0.7",
+ "pin-project 1.0.8",
  "serde",
+ "serde_json",
  "smallvec",
  "snafu",
  "tokio",
  "tokio-util",
+ "tracing",
 ]
 
 [[package]]
@@ -795,9 +846,33 @@ checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
 
 [[package]]
 name = "libc"
-version = "0.2.98"
+version = "0.2.99"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "320cfe77175da3a483efed4bc0adc1968ca050b098ce4f2f1c13a56626128790"
+checksum = "a7f823d141fe0a24df1e23b4af4e3c7ba9e5966ec514ea068c93024aa7deb765"
+
+[[package]]
+name = "libgit2-sys"
+version = "0.12.22+1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "89c53ac117c44f7042ad8d8f5681378dfbc6010e49ec2c0d1f11dfedc7a4a1c3"
+dependencies = [
+ "cc",
+ "libc",
+ "libz-sys",
+ "pkg-config",
+]
+
+[[package]]
+name = "libz-sys"
+version = "1.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "de5435b8549c16d423ed0c03dbaafe57cf6c3344744f1242520d59c9d8ecec66"
+dependencies = [
+ "cc",
+ "libc",
+ "pkg-config",
+ "vcpkg",
+]
 
 [[package]]
 name = "linked-hash-map"
@@ -825,15 +900,15 @@ dependencies = [
 
 [[package]]
 name = "matches"
-version = "0.1.8"
+version = "0.1.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7ffc5c5338469d4d3ea17d269fa8ea3512ad247247c30bd2df69e68309ed0a08"
+checksum = "a3e378b66a060d48947b590737b30a1be76706c8dd7b8ba0f2fe3989c68a853f"
 
 [[package]]
 name = "memchr"
-version = "2.4.0"
+version = "2.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b16bd47d9e329435e309c58469fe0791c2d0d1ba96ec0954152a5ae2b04387dc"
+checksum = "308cc39be01b73d0d18f82a0e7b2a3df85245f84af96fdddc5d202d27e47b86a"
 
 [[package]]
 name = "mio"
@@ -859,9 +934,9 @@ dependencies = [
 
 [[package]]
 name = "native-tls"
-version = "0.2.7"
+version = "0.2.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b8d96b2e1c8da3957d58100b09f102c6d9cfdfced01b7ec5a8974044bb09dbd4"
+checksum = "48ba9f7719b5a0f42f338907614285fb5fd70e53858141f69898a1fb7203b24d"
 dependencies = [
  "lazy_static",
  "libc",
@@ -921,9 +996,9 @@ checksum = "692fcb63b64b1758029e0a96ee63e049ce8c5948587f2f7208df04625e5f6b56"
 
 [[package]]
 name = "openssl"
-version = "0.10.35"
+version = "0.10.36"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "549430950c79ae24e6d02e0b7404534ecf311d94cc9f861e9e4020187d13d885"
+checksum = "8d9facdb76fec0b73c406f125d44d86fdad818d66fef0531eec9233ca425ff4a"
 dependencies = [
  "bitflags",
  "cfg-if",
@@ -941,9 +1016,9 @@ checksum = "28988d872ab76095a6e6ac88d99b54fd267702734fd7ffe610ca27f533ddb95a"
 
 [[package]]
 name = "openssl-sys"
-version = "0.9.65"
+version = "0.9.66"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7a7907e3bfa08bb85105209cdfcb6c63d109f8f6c1ed6ca318fff5c1853fbc1d"
+checksum = "1996d2d305e561b70d1ee0c53f1542833f4e1ac6ce9a6708b6ff2738ca67dc82"
 dependencies = [
  "autocfg",
  "cc",
@@ -989,11 +1064,11 @@ dependencies = [
 
 [[package]]
 name = "pin-project"
-version = "1.0.7"
+version = "1.0.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c7509cc106041c40a4518d2af7a61530e1eed0e6285296a3d8c5472806ccc4a4"
+checksum = "576bc800220cc65dac09e99e97b08b358cfab6e17078de8dc5fee223bd2d0c08"
 dependencies = [
- "pin-project-internal 1.0.7",
+ "pin-project-internal 1.0.8",
 ]
 
 [[package]]
@@ -1009,9 +1084,9 @@ dependencies = [
 
 [[package]]
 name = "pin-project-internal"
-version = "1.0.7"
+version = "1.0.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "48c950132583b500556b1efd71d45b319029f2b71518d979fcc208e16b42426f"
+checksum = "6e8fe8163d14ce7f0cdac2e040116f22eac817edabff0be91e8aff7e9accf389"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -1056,9 +1131,9 @@ checksum = "bc881b2c22681370c6a780e47af9840ef841837bc98118431d4e1868bd0c1086"
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.27"
+version = "1.0.28"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f0d8caf72986c1a598726adc988bb5984792ef84f5ee5aa50209145ee8077038"
+checksum = "5c7ed8b8c7b886ea3ed7dde405212185f423ab44682667c8c6dd14aa1d9f6612"
 dependencies = [
  "unicode-xid",
 ]
@@ -1129,9 +1204,9 @@ dependencies = [
 
 [[package]]
 name = "redox_syscall"
-version = "0.2.9"
+version = "0.2.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5ab49abadf3f9e1c4bc499e8845e152ad87d2ad2d30371841171169e9d75feee"
+checksum = "8383f39639269cde97d255a32bdb68c047337295414940c68bdd30c2e13203ff"
 dependencies = [
  "bitflags",
 ]
@@ -1327,9 +1402,12 @@ dependencies = [
 
 [[package]]
 name = "semver"
-version = "1.0.3"
+version = "1.0.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5f3aac57ee7f3272d8395c6e4f502f434f0e289fcd62876f70daa008c20dcabe"
+checksum = "568a8e6258aa33c13358f81fd834adb854c6f7c9468520910a9b1e8fac068012"
+dependencies = [
+ "serde",
+]
 
 [[package]]
 name = "serde"
@@ -1386,9 +1464,9 @@ dependencies = [
 
 [[package]]
 name = "serde_yaml"
-version = "0.8.17"
+version = "0.8.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "15654ed4ab61726bf918a39cb8d98a2e2995b002387807fa6ba58fdf7f59bb23"
+checksum = "039ba818c784248423789eec090aab9fb566c7b94d6ebbfa1814a9fd52c8afb2"
 dependencies = [
  "dtoa",
  "linked-hash-map",
@@ -1398,9 +1476,9 @@ dependencies = [
 
 [[package]]
 name = "sharded-slab"
-version = "0.1.1"
+version = "0.1.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "79c719719ee05df97490f80a45acfc99e5a30ce98a1e4fb67aee422745ae14e3"
+checksum = "740223c51853f3145fe7c90360d2d4232f2b62e3449489c207eccde818979982"
 dependencies = [
  "lazy_static",
 ]
@@ -1416,9 +1494,9 @@ dependencies = [
 
 [[package]]
 name = "slab"
-version = "0.4.3"
+version = "0.4.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f173ac3d1a7e3b28003f40de0b5ce7fe2710f9b9dc3fc38664cebee46b3b6527"
+checksum = "c307a32c1c5c437f38c7fd45d753050587732ba8628319fbdf12a7e289ccc590"
 
 [[package]]
 name = "smallvec"
@@ -1451,9 +1529,9 @@ dependencies = [
 
 [[package]]
 name = "socket2"
-version = "0.4.0"
+version = "0.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9e3dfc207c526015c632472a77be09cf1b6e46866581aecae5cc38fb4235dea2"
+checksum = "765f090f0e423d2b55843402a07915add955e7d60657db13707a159727326cad"
 dependencies = [
  "libc",
  "winapi",
@@ -1511,6 +1589,9 @@ dependencies = [
 name = "stackable-kafka-operator-server"
 version = "0.1.0-nightly"
 dependencies = [
+ "built",
+ "clap",
+ "k8s-openapi",
  "stackable-kafka-crd",
  "stackable-kafka-operator",
  "stackable-operator",
@@ -1521,7 +1602,7 @@ dependencies = [
 [[package]]
 name = "stackable-opa-crd"
 version = "0.1.0-nightly"
-source = "git+https://github.com/stackabletech/opa-operator.git?branch=main#ac920c7221b362c85dd9cc69e40060f78d3fc32a"
+source = "git+https://github.com/stackabletech/opa-operator.git?branch=main#5acbab145272cc7a6cb405bf46c724ec25a3a1c9"
 dependencies = [
  "k8s-openapi",
  "kube",
@@ -1541,7 +1622,7 @@ dependencies = [
 [[package]]
 name = "stackable-operator"
 version = "0.1.0-nightly"
-source = "git+https://github.com/stackabletech/operator-rs.git?branch=main#7fe4205b667fb5975041f20104357f9bdec7e4bc"
+source = "git+https://github.com/stackabletech/operator-rs.git?branch=main#ed04ff725de4167ca70857431eded3209d9caf20"
 dependencies = [
  "async-trait",
  "backoff",
@@ -1573,7 +1654,7 @@ dependencies = [
 [[package]]
 name = "stackable-zookeeper-crd"
 version = "0.1.0-nightly"
-source = "git+https://github.com/stackabletech/zookeeper-operator.git?branch=main#a27b48401b255fd084258dc012f7cbbbe1aac56d"
+source = "git+https://github.com/stackabletech/zookeeper-operator.git?branch=main#19bcfc5b9c3c2ade40338b41f30c5e4d52362f30"
 dependencies = [
  "k8s-openapi",
  "kube",
@@ -1621,9 +1702,9 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "1.0.73"
+version = "1.0.74"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f71489ff30030d2ae598524f61326b902466f72a0fb1a8564c001cc63425bcc7"
+checksum = "1873d832550d4588c3dbc20f01361ab00bfe741048f71e3fecf145a7cc18b29c"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -1695,9 +1776,9 @@ dependencies = [
 
 [[package]]
 name = "tinyvec"
-version = "1.2.0"
+version = "1.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5b5220f05bb7de7f3f53c7c065e1199b3172696fe2db9f9c4d8ad9b4ee74c342"
+checksum = "848a1e1181b9f6753b5e96a092749e29b11d19ede67dfbbd6c7dc7e0f49b5338"
 dependencies = [
  "tinyvec_macros",
 ]
@@ -1782,6 +1863,15 @@ dependencies = [
  "tokio",
 ]
 
+[[package]]
+name = "toml"
+version = "0.5.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a31142970826733df8241ef35dc040ef98c679ab14d7c3e54d827099b3acecaa"
+dependencies = [
+ "serde",
+]
+
 [[package]]
 name = "tower"
 version = "0.4.8"
@@ -1790,7 +1880,7 @@ checksum = "f60422bc7fefa2f3ec70359b8ff1caff59d785877eb70595904605bcc412470f"
 dependencies = [
  "futures-core",
  "futures-util",
- "pin-project 1.0.7",
+ "pin-project 1.0.8",
  "tokio",
  "tokio-util",
  "tower-layer",
@@ -1804,12 +1894,13 @@ version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0b7b56efe69aa0ad2b5da6b942e57ea9f6fe683b7a314d4ff48662e2c8838de1"
 dependencies = [
+ "base64",
  "bytes",
  "futures-core",
  "futures-util",
  "http",
  "http-body",
- "pin-project 1.0.7",
+ "pin-project 1.0.8",
  "tower-layer",
  "tower-service",
  "tracing",
@@ -1853,9 +1944,9 @@ dependencies = [
 
 [[package]]
 name = "tracing-core"
-version = "0.1.18"
+version = "0.1.19"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a9ff14f98b1a4b289c6248a023c1c2fa1491062964e9fed67ab29c4e4da4a052"
+checksum = "2ca517f43f0fb96e0c3072ed5c275fe5eece87e8cb52f4a77b69226d3b1c9df8"
 dependencies = [
  "lazy_static",
 ]
@@ -1866,7 +1957,7 @@ version = "0.2.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "97d095ae15e245a057c8e8451bab9b3ee1e1f68e9ba2b4fbc18d0ac5237835f2"
 dependencies = [
- "pin-project 1.0.7",
+ "pin-project 1.0.8",
  "tracing",
 ]
 
@@ -1893,9 +1984,9 @@ dependencies = [
 
 [[package]]
 name = "tracing-subscriber"
-version = "0.2.19"
+version = "0.2.20"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ab69019741fca4d98be3c62d2b75254528b5432233fd8a4d2739fec20278de48"
+checksum = "b9cbe87a2fa7e35900ce5de20220a582a9483a7063811defce79d7cbd59d4cfe"
 dependencies = [
  "ansi_term 0.12.1",
  "chrono",
@@ -1930,12 +2021,9 @@ checksum = "59547bce71d9c38b83d9c0e92b6066c4253371f15005def0c30d9657f50c7642"
 
 [[package]]
 name = "unicode-bidi"
-version = "0.3.5"
+version = "0.3.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "eeb8be209bb1c96b7c177c7420d26e04eccacb0eeae6b980e35fcb74678107e0"
-dependencies = [
- "matches",
-]
+checksum = "246f4c42e67e7a4e3c6106ff716a5d067d4132a642840b242e357e468a2a0085"
 
 [[package]]
 name = "unicode-normalization"
@@ -2021,9 +2109,9 @@ checksum = "1a143597ca7c7793eff794def352d41792a93c481eb1042423ff7ff72ba2c31f"
 
 [[package]]
 name = "wasm-bindgen"
-version = "0.2.74"
+version = "0.2.76"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d54ee1d4ed486f78874278e63e4069fc1ab9f6a18ca492076ffb90c5eb2997fd"
+checksum = "8ce9b1b516211d33767048e5d47fa2a381ed8b76fc48d2ce4aa39877f9f183e0"
 dependencies = [
  "cfg-if",
  "wasm-bindgen-macro",
@@ -2031,9 +2119,9 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-backend"
-version = "0.2.74"
+version = "0.2.76"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3b33f6a0694ccfea53d94db8b2ed1c3a8a4c86dd936b13b9f0a15ec4a451b900"
+checksum = "cfe8dc78e2326ba5f845f4b5bf548401604fa20b1dd1d365fb73b6c1d6364041"
 dependencies = [
  "bumpalo",
  "lazy_static",
@@ -2046,9 +2134,9 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-macro"
-version = "0.2.74"
+version = "0.2.76"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "088169ca61430fe1e58b8096c24975251700e7b1f6fd91cc9d59b04fb9b18bd4"
+checksum = "44468aa53335841d9d6b6c023eaab07c0cd4bddbcfdee3e2bb1e8d2cb8069fef"
 dependencies = [
  "quote",
  "wasm-bindgen-macro-support",
@@ -2056,9 +2144,9 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-macro-support"
-version = "0.2.74"
+version = "0.2.76"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "be2241542ff3d9f241f5e2cb6dd09b37efe786df8851c54957683a49f0987a97"
+checksum = "0195807922713af1e67dc66132c7328206ed9766af3858164fb583eedc25fbad"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -2069,15 +2157,15 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-shared"
-version = "0.2.74"
+version = "0.2.76"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d7cff876b8f18eed75a66cf49b65e7f967cb354a7aa16003fb55dbfd25b44b4f"
+checksum = "acdb075a845574a1fa5f09fd77e43f7747599301ea3417a9fbffdeedfc1f4a29"
 
 [[package]]
 name = "web-sys"
-version = "0.3.51"
+version = "0.3.53"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e828417b379f3df7111d3a2a9e5753706cae29c41f7c4029ee9fd77f3e09e582"
+checksum = "224b2f6b67919060055ef1a67807367c2066ed520c3862cc013d26cf893a783c"
 dependencies = [
  "js-sys",
  "wasm-bindgen",
diff --git a/crd/Cargo.toml b/crd/Cargo.toml
index ea1a6405..22e7f056 100644
--- a/crd/Cargo.toml
+++ b/crd/Cargo.toml
@@ -11,9 +11,9 @@ stackable-opa-crd = { git = "https://github.com/stackabletech/opa-operator.git",
 stackable-operator = { git = "https://github.com/stackabletech/operator-rs.git", branch = "main" }
 stackable-zookeeper-crd = { git = "https://github.com/stackabletech/zookeeper-operator.git", branch = "main"}
 
-k8s-openapi = { version = "0.12", default-features = false, features = ["v1_20"]  }
-kube = { version = "0.57", default-features = false, features = ["jsonpatch", "derive"] }
-kube-runtime = "0.57"
+k8s-openapi = { version = "0.12", default-features = false }
+kube = { version = "0.58", default-features = false, features = ["jsonpatch", "derive"] }
+kube-runtime = "0.58"
 schemars = "0.8"
 serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0" # Needed by the CustomResource annotation
@@ -22,7 +22,7 @@ strum = "0.21"
 strum_macros = "0.21"
 
 [dev-dependencies]
-k8s-openapi = { version = "0.12", default-features = false, features = ["v1_20"] }
+k8s-openapi = { version = "0.12", default-features = false, features = ["v1_21"] }
 serde_yaml = "0.8"
 rstest = "0.11"
 
diff --git a/crd/src/bin/generate_crds.rs b/crd/src/bin/generate_crds.rs
deleted file mode 100644
index 60aa3286..00000000
--- a/crd/src/bin/generate_crds.rs
+++ /dev/null
@@ -1,10 +0,0 @@
-use stackable_kafka_crd::KafkaCluster;
-use stackable_operator::crd::CustomResourceExt;
-
-fn main() {
-    let target_file = "deploy/crd/kafkacluster.crd.yaml";
-    match KafkaCluster::write_yaml_schema(target_file) {
-        Ok(_) => println!("Wrote CRD to [{}]", target_file),
-        Err(err) => println!("Could not write CRD to [{}]: {:?}", target_file, err),
-    }
-}
diff --git a/deploy/crd/kafkacluster.crd.yaml b/deploy/crd/kafkacluster.crd.yaml
index b142cb84..9b4fa483 100644
--- a/deploy/crd/kafkacluster.crd.yaml
+++ b/deploy/crd/kafkacluster.crd.yaml
@@ -90,6 +90,7 @@ spec:
                           replicas:
                             format: uint16
                             minimum: 0.0
+                            nullable: true
                             type: integer
                           selector:
                             description: A label selector is a label query over a set of resources. The result of matchLabels and matchExpressions are ANDed. An empty label selector matches all objects. A null label selector matches no objects.
@@ -122,7 +123,6 @@ spec:
                                 type: object
                             type: object
                         required:
-                          - replicas
                           - selector
                         type: object
                       type: object
diff --git a/operator/Cargo.toml b/operator/Cargo.toml
index 0ec73d82..5b56cb88 100644
--- a/operator/Cargo.toml
+++ b/operator/Cargo.toml
@@ -15,9 +15,9 @@ stackable-zookeeper-crd = { git = "https://github.com/stackabletech/zookeeper-op
 
 async-trait = "0.1"
 futures = "0.3"
-k8s-openapi = { version = "0.12", default-features = false, features = ["v1_20"] }
-kube = { version = "0.57", default-features = false, features = ["jsonpatch"] }
-kube-runtime = "0.57"
+k8s-openapi = { version = "0.12", default-features = false }
+kube = { version = "0.58", default-features = false, features = ["jsonpatch"] }
+kube-runtime = "0.58"
 serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0"
 strum = "0.21"
diff --git a/operator/src/lib.rs b/operator/src/lib.rs
index c7508faa..376df515 100644
--- a/operator/src/lib.rs
+++ b/operator/src/lib.rs
@@ -20,6 +20,7 @@ use stackable_operator::builder::{
 use stackable_operator::client::Client;
 use stackable_operator::controller::{Controller, ControllerStrategy, ReconciliationState};
 use stackable_operator::error::OperatorResult;
+use stackable_operator::k8s_utils;
 use stackable_operator::labels::{
     build_common_labels_for_all_managed_resources, get_recommended_labels, APP_COMPONENT_LABEL,
     APP_INSTANCE_LABEL, APP_MANAGED_BY_LABEL, APP_NAME_LABEL, APP_VERSION_LABEL,
@@ -36,7 +37,6 @@ use stackable_operator::role_utils::{
     find_nodes_that_fit_selectors, get_role_and_group_labels,
     list_eligible_nodes_for_role_and_group, EligibleNodesForRoleAndGroup,
 };
-use stackable_operator::{cli, k8s_utils};
 use stackable_zookeeper_crd::util::ZookeeperConnectionInformation;
 use std::collections::{BTreeMap, HashMap};
 use std::future::Future;
@@ -552,7 +552,7 @@ pub fn validated_product_config(
     )
 }
 
-pub async fn create_controller(client: Client) -> OperatorResult<()> {
+pub async fn create_controller(client: Client, product_config_path: &str) -> OperatorResult<()> {
     let kafka_api: Api<KafkaCluster> = client.get_all_api();
     let pods_api: Api<Pod> = client.get_all_api();
     let config_maps_api: Api<ConfigMap> = client.get_all_api();
@@ -561,15 +561,7 @@ pub async fn create_controller(client: Client) -> OperatorResult<()> {
         .owns(pods_api, ListParams::default())
         .owns(config_maps_api, ListParams::default());
 
-    let product_config_path = cli::product_config_path(
-        "kafka-operator",
-        vec![
-            "deploy/config-spec/properties.yaml",
-            "/etc/stackable/kafka-operator/config-spec/properties.yaml",
-        ],
-    )?;
-
-    let product_config = ProductConfigManager::from_yaml_file(&product_config_path).unwrap();
+    let product_config = ProductConfigManager::from_yaml_file(product_config_path).unwrap();
 
     let strategy = KafkaStrategy::new(product_config);
 
diff --git a/server/Cargo.toml b/server/Cargo.toml
index b22e3c77..e70d0cb6 100644
--- a/server/Cargo.toml
+++ b/server/Cargo.toml
@@ -1,19 +1,27 @@
 [package]
 authors = ["Lars Francke <lars.francke@stackable.de>"]
-description = "Stackable Operator for Apache Kafka - The main binary"
+description = "Stackable Operator for Apache Kafka"
 edition = "2018"
 license = "OSL-3.0"
 name = "stackable-kafka-operator-server"
 version = "0.1.0-nightly"
+build = "build.rs"
 
 [dependencies]
 stackable-kafka-crd = { path = "../crd" }
 stackable-kafka-operator = { path = "../operator" }
 stackable-operator = { git = "https://github.com/stackabletech/operator-rs.git", branch = "main" }
 
+clap = "2.33"
+k8s-openapi = { version = "0.12", default-features = false, features = ["v1_21"] }
 tokio = { version = "1.10", features = ["macros", "rt-multi-thread"] }
 tracing = "0.1"
 
+[build-dependencies]
+built = { version =  "0.5", features = ["chrono", "git2"] }
+stackable-operator = { git = "https://github.com/stackabletech/operator-rs.git", branch = "main" }
+stackable-kafka-crd = { path = "../crd" }
+
 [package.metadata.deb]
 maintainer-scripts = "packaging/debian/"
 systemd-units = { enable = false }
diff --git a/server/build.rs b/server/build.rs
new file mode 100644
index 00000000..cb1d3aa5
--- /dev/null
+++ b/server/build.rs
@@ -0,0 +1,11 @@
+use stackable_kafka_crd::KafkaCluster;
+use stackable_operator::crd::CustomResourceExt;
+use stackable_operator::error::OperatorResult;
+
+fn main() -> OperatorResult<()> {
+    built::write_built_file().expect("Failed to acquire build-time information");
+
+    KafkaCluster::write_yaml_schema("../deploy/crd/kafkacluster.crd.yaml")?;
+
+    Ok(())
+}
diff --git a/server/src/main.rs b/server/src/main.rs
index 0d0c3b7f..f7355b40 100644
--- a/server/src/main.rs
+++ b/server/src/main.rs
@@ -1,7 +1,13 @@
+use clap::{crate_version, App, AppSettings, SubCommand};
 use stackable_kafka_crd::KafkaCluster;
 use stackable_operator::crd::CustomResourceExt;
-use stackable_operator::{client, error};
-use tracing::{error, info};
+use stackable_operator::{cli, client, error};
+use tracing::error;
+
+mod built_info {
+    // The file has been placed there by the build script.
+    include!(concat!(env!("OUT_DIR"), "/built.rs"));
+}
 
 const FIELD_MANAGER: &str = "kafka.stackable.tech";
 
@@ -9,7 +15,40 @@ const FIELD_MANAGER: &str = "kafka.stackable.tech";
 async fn main() -> Result<(), error::Error> {
     stackable_operator::logging::initialize_logging("KAFKA_OPERATOR_LOG");
 
-    info!("Starting Stackable Operator for Apache Kafka");
+    stackable_operator::utils::print_startup_string(
+        built_info::PKG_DESCRIPTION,
+        built_info::PKG_VERSION,
+        built_info::GIT_VERSION,
+        built_info::TARGET,
+        built_info::BUILT_TIME_UTC,
+        built_info::RUSTC_VERSION,
+    );
+
+    // Handle CLI arguments
+    let matches = App::new(built_info::PKG_DESCRIPTION)
+        .author("Stackable GmbH - info@stackable.de")
+        .about(built_info::PKG_DESCRIPTION)
+        .version(crate_version!())
+        .arg(cli::generate_productconfig_arg())
+        .subcommand(
+            SubCommand::with_name("crd")
+                .setting(AppSettings::ArgRequiredElseHelp)
+                .subcommand(cli::generate_crd_subcommand::<KafkaCluster>()),
+        )
+        .get_matches();
+
+    if let ("crd", Some(subcommand)) = matches.subcommand() {
+        if cli::handle_crd_subcommand::<KafkaCluster>(subcommand)? {
+            return Ok(());
+        };
+    }
+
+    let paths = vec![
+        "deploy/config-spec/properties.yaml",
+        "/etc/stackable/kafka-operator/config-spec/properties.yaml",
+    ];
+    let product_config_path = cli::handle_productconfig_arg(&matches, paths)?;
+
     let client = client::create_client(Some(FIELD_MANAGER.to_string())).await?;
 
     if let Err(error) = stackable_operator::crd::wait_until_crds_present(
@@ -23,6 +62,6 @@ async fn main() -> Result<(), error::Error> {
         return Err(error);
     };
 
-    stackable_kafka_operator::create_controller(client).await?;
+    stackable_kafka_operator::create_controller(client, &product_config_path).await?;
     Ok(())
 }